Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- The City, City (EC4)
- Southwark
- Hinxton
- The City, City (EC2)
- The City, City (EC3)
- St James
- Arundel Heights
- Bellfields
- Bengo
- Bloomsbury
- City of London
- Cambridge
- Central London
- West End
- Reading
- Milton Keynes
- South East London
- Brighton
- South West London
- Guildford
- London
- Berkshire
- Cambridgeshire
- Hertfordshire
- Buckinghamshire
- Oxfordshire
- Surrey
- Essex
- East Sussex
- Bedfordshire
- South East
- East Anglia
158 Contract API jobs in Notting Hill + 20 miles
)
Senior Backend Engineer TypeScript Node API
Senior Backend Engineer TypeScript Node API
Client Server
The City, City of London (EC4), EC2V
£85000 - £100000 per annum + shares + benefits
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As a Senior Backend Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with exposure to and occasional frontend work.
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k Are you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As a Senior Backend Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with exposure to and occasional frontend work.
PREMIUM
C# Developer .Net SQL API
C# Developer .Net SQL API
Client Server
The City, City of London (EC4), EC4R
£75000 - £90000 per annum + benefits
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k Are you an ambitious and motivated C# Developer looking for an opportunity to progress your career, working on complex and interesting systems? You could joining a global sports trading firm, earning substantial bonuses. * Salary to £90k * Bonus paid every six months based on personal performance (10-25%) * Professional development * Pension * Health Insurance * Gym membership * Social events, free fruit, snacks, coffee etc. As a C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership of and will see the business impact of.
C# Developer / Software Engineer (C# .Net SQL API) London onsite to £90k Are you an ambitious and motivated C# Developer looking for an opportunity to progress your career, working on complex and interesting systems? You could joining a global sports trading firm, earning substantial bonuses. * Salary to £90k * Bonus paid every six months based on personal performance (10-25%) * Professional development * Pension * Health Insurance * Gym membership * Social events, free fruit, snacks, coffee etc. As a C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership of and will see the business impact of.
PREMIUM
C++ Developer MacOS API
C++ Developer MacOS API
Client Server
The City, City of London (EC4), EC2V
£65000 - £80000 per annum + benefits
C++ Developer / Engineer (C++ Mac Extensions) WFH / London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. You can work from home most of the time, meeting up with colleagues in the London office once or twice a month.
C++ Developer / Engineer (C++ Mac Extensions) WFH / London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. You can work from home most of the time, meeting up with colleagues in the London office once or twice a month.
PREMIUM
)
Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
Slough (SL1)
market rates, outside IR35, 2 days on site
Design and buildnext generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables * Design and buildsophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Champion best practicein code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.
Design and buildnext generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables * Design and buildsophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Champion best practicein code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic.
)
Solution Architect (Azure, Event Driven, Cloud Native) Watford
Solution Architect (Azure, Event Driven, Cloud Native) Watford
Method-Resourcing
Watford (WD17), WD17
Negotiable
The Opportunity An established organisation is entering a multi-year technology transformation following sustained growth, geographic expansion, and multiple acquisitions. The focus is on modernising platforms, reducing technical debt, and designing scalable, secure architectures that will support the business for the next decade. This is a strategic Solution Architect role, you will shape end-to-end architectures, define future-state platforms, and act as the technical authority across product, engineering, and leadership. The Role You will define and drive target-state solution architectures aligned to business strategy, product roadmaps, and long-term transformation goals. This includes modern cloud platforms, data architecture, integration patterns, automation, and secure-by-design systems.
The Opportunity An established organisation is entering a multi-year technology transformation following sustained growth, geographic expansion, and multiple acquisitions. The focus is on modernising platforms, reducing technical debt, and designing scalable, secure architectures that will support the business for the next decade. This is a strategic Solution Architect role, you will shape end-to-end architectures, define future-state platforms, and act as the technical authority across product, engineering, and leadership. The Role You will define and drive target-state solution architectures aligned to business strategy, product roadmaps, and long-term transformation goals. This includes modern cloud platforms, data architecture, integration patterns, automation, and secure-by-design systems.
FEATURED
)
Software Engineer in Test (Java)
Software Engineer in Test (Java)
Understanding Recruitment
The City, City of London (EC2), EC2M 7PY
£70000 - £90000 per annum + bonus, hybrid, benefits
£70,000 - £90,000 + Bonus + Benefits?? Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean, quality Java-based automation code to contribute to an internal Java-based test automation framework, catching issues before they hit production and helping deliver flawless, high-performance user experiences. What You'll Do * Build and maintain robust Java test automation * Work on an internal Java-based test automation framework used across all teams handling high-traffic, real-time trades. * Collaborate with developers to improve quality at every stage. * Own QA processes for performance, reliability and user experience. What You Bring * Strong experience with Java automation testing, API & backend testing.
£70,000 - £90,000 + Bonus + Benefits?? Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean, quality Java-based automation code to contribute to an internal Java-based test automation framework, catching issues before they hit production and helping deliver flawless, high-performance user experiences. What You'll Do * Build and maintain robust Java test automation * Work on an internal Java-based test automation framework used across all teams handling high-traffic, real-time trades. * Collaborate with developers to improve quality at every stage. * Own QA processes for performance, reliability and user experience. What You Bring * Strong experience with Java automation testing, API & backend testing.
FEATURED
)
Senior Automated & Manual Tester – Mobile, Playwright, C#, SQL, Azure
Senior Automated & Manual Tester – Mobile, Playwright, C#, SQL, Azure
Smart Sourcer Limited
City of London (EC1)
From £70,000 to £75,000 per annum + 10% bonus + excellent benefits
Senior Automated & Manual Tester Mobile Apps, Playwright, C#, .Net, Blazor, SQL, Azure Outstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps and Agile environment. Were looking for a Senior Automated & Manual Tester comfortable with end-to-end testing of mobile and SaaS applications to own the testing of emerging AI powered tools being built in house. Your role will directly impact the performance, stability, and user experience of solutions built with Javascript, Blazor,C#,.NET, and hosted on Azure (Azure DevOps). * Extensive experience in manual and automated testing of mobile & SaaS applications and associated APIs
Senior Automated & Manual Tester Mobile Apps, Playwright, C#, .Net, Blazor, SQL, Azure Outstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps and Agile environment. Were looking for a Senior Automated & Manual Tester comfortable with end-to-end testing of mobile and SaaS applications to own the testing of emerging AI powered tools being built in house. Your role will directly impact the performance, stability, and user experience of solutions built with Javascript, Blazor,C#,.NET, and hosted on Azure (Azure DevOps). * Extensive experience in manual and automated testing of mobile & SaaS applications and associated APIs
)
Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more than 190 services. We also support thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive. Were now looking for a Back-End Developer to join us on a full-time, permanent basis, working 37 hours per week. TheBenefits - Salary of £43,042 per annum (inclusive of £1,044 market supplement and £480 home working allowance) - An annual paid leave entitlement of 30 working days plus bank holidays - Up to 6% matched-pension contributions
Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional, and financial support to those experiencing poverty, disadvantage, and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more than 190 services. We also support thousands more through national programmes and grants, helping everyone find the tools to overcome challenges and thrive. Were now looking for a Back-End Developer to join us on a full-time, permanent basis, working 37 hours per week. TheBenefits - Salary of £43,042 per annum (inclusive of £1,044 market supplement and £480 home working allowance) - An annual paid leave entitlement of 30 working days plus bank holidays - Up to 6% matched-pension contributions
)
Dynamics 365 Finance Developer
Dynamics 365 Finance Developer
Eviden UK International Ltd
UK
Attractive salary plus excellent benefits.
* Salary: Attractive salary plus excellent benefits. * Location: UK Wide * Remote * Travel required: May require UK domestic travel, as the need arises. Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos is a SE (Societas Europaea) and listed on Euronext Paris. Our Dynamics Practice and Power Platform Team is at the forefront of delivering innovative, high-impact solutions to leading Financial Services organizations and large Government clients.
* Salary: Attractive salary plus excellent benefits. * Location: UK Wide * Remote * Travel required: May require UK domestic travel, as the need arises. Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos is a SE (Societas Europaea) and listed on Euronext Paris. Our Dynamics Practice and Power Platform Team is at the forefront of delivering innovative, high-impact solutions to leading Financial Services organizations and large Government clients.
FEATURED
Senior Full Stack Engineer React TypeScript
Senior Full Stack Engineer React TypeScript
Client Server
The City, City of London (EC4), EC2V
£80000 - £90000 per annum + benefits
Senior Full Stack Engineer / Developer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Full Stack Engineer with strong front end development experience with React and Redux? You could be progressing your career in a senior, hands-on role at a scaling Fintech who have built an energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Senior Full Stack Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive, creating user interfaces that bring trading and billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript and integrate APIs and backend services.
Senior Full Stack Engineer / Developer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Full Stack Engineer with strong front end development experience with React and Redux? You could be progressing your career in a senior, hands-on role at a scaling Fintech who have built an energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Senior Full Stack Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive, creating user interfaces that bring trading and billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript and integrate APIs and backend services.
PREMIUM
)
Role Overview 6 months London - Hybrid Inside IR35 - Umbrella Only The Qualtrics Developer will be responsible for designing, configuring, and deploying advanced survey solutions using the Qualtrics platform as part of Toyota Financial Services' Customer Experience Discovery initiative. This role is critical in enabling data driven insights through seamless survey integration, analytics, and reporting. Key Responsibilities * Build branded Qualtrics survey themes aligned with Toyota FS identity. * Develop dynamic, multi-channel surveys (email, portal intercepts, exit intent). * Implement advanced branching logic and variation frameworks for A/B testing. * Configure API connections to CRM systems and Power BI for real-time dashboards. * Ensure secure data handling and compliance with GDPR and Toyota FS standards.
Role Overview 6 months London - Hybrid Inside IR35 - Umbrella Only The Qualtrics Developer will be responsible for designing, configuring, and deploying advanced survey solutions using the Qualtrics platform as part of Toyota Financial Services' Customer Experience Discovery initiative. This role is critical in enabling data driven insights through seamless survey integration, analytics, and reporting. Key Responsibilities * Build branded Qualtrics survey themes aligned with Toyota FS identity. * Develop dynamic, multi-channel surveys (email, portal intercepts, exit intent). * Implement advanced branching logic and variation frameworks for A/B testing. * Configure API connections to CRM systems and Power BI for real-time dashboards. * Ensure secure data handling and compliance with GDPR and Toyota FS standards.
FEATURED
Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript
Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript
Smart Sourcer Limited
City of London (EC2A)
From £75,000 to £82,000 per annum + 10% bonus + excellent benefits
Outstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps and Agile environment. We are seeking a creative and technically skilled Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both a cloud-based SaaS platform and mobile app, which will streamline complex legal workflows and enhance document automation.
Outstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps and Agile environment. We are seeking a creative and technically skilled Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both a cloud-based SaaS platform and mobile app, which will streamline complex legal workflows and enhance document automation.
)
Contract Technical Business Analyst - ServiceNow - Outside IR35
Contract Technical Business Analyst - ServiceNow - Outside IR35
Morson Edge
The City, City of London (EC4), EC4A
£450 - 500 per day
Contract Technical Business Analyst – ServiceNow Outside IR35 | Contract | Hybrid / Remote (UK) | Up to £500 a day I'm seeking an experienced Technical Business Analyst with strong ServiceNow expertise to support a large-scale transformation programme within a complex enterprise environment. This is a contract role operating Outside IR35, ideal for a delivery-focused consultant who can bridge the gap between business stakeholders and technical teams. Key Responsibilities * Elicit, analyse, and document business and technical requirements across ServiceNow modules * Act as the primary interface between stakeholders, developers, architects, and ServiceNow platform teams * Translate business needs into clear functional and technical specifications (user stories, process flows, data models)
Contract Technical Business Analyst – ServiceNow Outside IR35 | Contract | Hybrid / Remote (UK) | Up to £500 a day I'm seeking an experienced Technical Business Analyst with strong ServiceNow expertise to support a large-scale transformation programme within a complex enterprise environment. This is a contract role operating Outside IR35, ideal for a delivery-focused consultant who can bridge the gap between business stakeholders and technical teams. Key Responsibilities * Elicit, analyse, and document business and technical requirements across ServiceNow modules * Act as the primary interface between stakeholders, developers, architects, and ServiceNow platform teams * Translate business needs into clear functional and technical specifications (user stories, process flows, data models)
)
Senior Azure Developer (Azure, SDK, Node)
Senior Azure Developer (Azure, SDK, Node)
MS Talent Ltd
The City, City of London (EC2), EC2M
£400 - £450 per day, Benefits Outside IR35
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! Location no issue - work from home! 6 month contract, £400 - £450 per day OUTSIDE IR35. Remote role in the UK. We are looking for a Senior Azure Developer / Lead Azure Developerwho specialises in building custom M365 applications that sit on Microsoft Azure. This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. You will be the hands-on technical ownerof a bespoke Microsoft Azure application, built using Node.jsand integrated with Microsoft enterprise services. * Proven experience as a Senior Azure Developerbuilding custom Microsoft Azure applications * Strong Node.js developmentexperience in an Azure Developerenvironment
Senior / Lead Azure Developer (Azure Developer, Microsoft Azure, Node.js, Microsoft SDK, Graph API) Bring a new custom application to the market! Location no issue - work from home! 6 month contract, £400 - £450 per day OUTSIDE IR35. Remote role in the UK. We are looking for a Senior Azure Developer / Lead Azure Developerwho specialises in building custom M365 applications that sit on Microsoft Azure. This role is for an Azure Developerwith deep experience using Microsoft SDKs, Graph API and enterprise integrations, not just front-end frameworks. You will be the hands-on technical ownerof a bespoke Microsoft Azure application, built using Node.jsand integrated with Microsoft enterprise services. * Proven experience as a Senior Azure Developerbuilding custom Microsoft Azure applications * Strong Node.js developmentexperience in an Azure Developerenvironment
)
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
Job title- Payment Architect Location: Milton Keynes (2-3 days) Duration: 6 Months Job Description Santander UK is expanding its Payments Solution Architecture team. We are looking for senior level architects with deep experience in payments execution processing. These hires will support the modernisation of our payments estate and the migration of legacy platforms to the Payments Hub (PagoNxt). The individuals must have strong payments scheme knowledge, deep understanding of ISO 20022, and proven experience designing solutions for core payment processing. Payments domain expertise * Strong experience across payments execution processes such as orchestration, order management, clearing, settlement, reconciliations, exception handling and returns. * Practical scheme knowledge in at least several of the following: Bacs, Faster Payments, CHAPS, SWIFT, SEPA, cheques.
TypeScript Developer Node AWS
TypeScript Developer Node AWS
Client Server
Shoreditch, East London (E1), EC2A
£78000 - £85000 per annum + benefits
TypeScript Developer / Backend Software Engineer (Node AWS Python) Remote to £85k Are you a backend focussed TypeScript Developer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack? You could be joining a scaling AI software solutions provider in a senior, hands-on role. As a TypeScript Developer you will build new features with a focus on backend services and APIs using TypeScript, Node and AWS, also with some Python work for LLM integration. You'll take ownership of projects, working across the full development lifecycle from requirements through to delivery and help to drive the adoption of AI within the development lifecycle.
TypeScript Developer / Backend Software Engineer (Node AWS Python) Remote to £85k Are you a backend focussed TypeScript Developer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack? You could be joining a scaling AI software solutions provider in a senior, hands-on role. As a TypeScript Developer you will build new features with a focus on backend services and APIs using TypeScript, Node and AWS, also with some Python work for LLM integration. You'll take ownership of projects, working across the full development lifecycle from requirements through to delivery and help to drive the adoption of AI within the development lifecycle.
PREMIUM
)
The salary on offer for this role is £65,000 - £80,000 per annum Enfield, London - On-site We're seeking a Technical Development Lead to join our client's team to act as the subject matter expert and hands-on leader for their entire technology ecosystem. This pivotal role in a dynamic business environment requires someone capable of managing architecture, complex implementations, team leadership, and compliance oversight simultaneously. You will be responsible for ensuring the reliability, security, and scalability of all core systems across e-commerce, retail, and hospitality operations, translating strategic objectives into high-quality technical solutions with immediate impact. Responsibilities & Skills * Lead hands-on development and architecture, coding complex components and managing integrations across all platforms.
The salary on offer for this role is £65,000 - £80,000 per annum Enfield, London - On-site We're seeking a Technical Development Lead to join our client's team to act as the subject matter expert and hands-on leader for their entire technology ecosystem. This pivotal role in a dynamic business environment requires someone capable of managing architecture, complex implementations, team leadership, and compliance oversight simultaneously. You will be responsible for ensuring the reliability, security, and scalability of all core systems across e-commerce, retail, and hospitality operations, translating strategic objectives into high-quality technical solutions with immediate impact. Responsibilities & Skills * Lead hands-on development and architecture, coding complex components and managing integrations across all platforms.
)
The salary on offer for this role is £65,000 - £80,000 per annum Enfield, London - On-site We're seeking a Technical Development Lead to join our client's team to act as the subject matter expert and hands-on leader for their entire technology ecosystem. This pivotal role in a dynamic business environment requires someone capable of managing architecture, complex implementations, team leadership, and compliance oversight simultaneously. You will be responsible for ensuring the reliability, security, and scalability of all core systems across e-commerce, retail, and hospitality operations, translating strategic objectives into high-quality technical solutions with immediate impact. Responsibilities & Skills * Lead hands-on development and architecture, coding complex components and managing integrations across all platforms.
The salary on offer for this role is £65,000 - £80,000 per annum Enfield, London - On-site We're seeking a Technical Development Lead to join our client's team to act as the subject matter expert and hands-on leader for their entire technology ecosystem. This pivotal role in a dynamic business environment requires someone capable of managing architecture, complex implementations, team leadership, and compliance oversight simultaneously. You will be responsible for ensuring the reliability, security, and scalability of all core systems across e-commerce, retail, and hospitality operations, translating strategic objectives into high-quality technical solutions with immediate impact. Responsibilities & Skills * Lead hands-on development and architecture, coding complex components and managing integrations across all platforms.
)
We need talented engineers with a strong low-level graphics and GPU development background on the Android platform, ideally with experience of working in the consumer electronics industry. This contract will be hybrid (3 days a week onsite, 2 remote), based near Egham. Its within IR35 but offering a good rate to offset that! The successful candidate will contribute to new, high-performance graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance
We need talented engineers with a strong low-level graphics and GPU development background on the Android platform, ideally with experience of working in the consumer electronics industry. This contract will be hybrid (3 days a week onsite, 2 remote), based near Egham. Its within IR35 but offering a good rate to offset that! The successful candidate will contribute to new, high-performance graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance
)
Were looking for a highly skilled Quantitative Developer to join our dynamic team. This is an opportunity to work on cutting-edge financial products and deliver robust, production-quality code that powers critical trading and risk systems. Youll collaborate closely with quants and traders to design and implement solutions that make a real impact. What Youll Do * Develop high-performance applications in C# or C++, with code deployed in production environments. * Design and implement system architecture and APIs for complex financial workflows. * Apply strong quantitative and mathematical skills to model and solve challenging problems. * Work with a broad range of financial products, including rates, FX, inflation, and credit. What Were Looking For * Proven experience in high-level programming (C# or C++). * Strong background in system/API design.
Were looking for a highly skilled Quantitative Developer to join our dynamic team. This is an opportunity to work on cutting-edge financial products and deliver robust, production-quality code that powers critical trading and risk systems. Youll collaborate closely with quants and traders to design and implement solutions that make a real impact. What Youll Do * Develop high-performance applications in C# or C++, with code deployed in production environments. * Design and implement system architecture and APIs for complex financial workflows. * Apply strong quantitative and mathematical skills to model and solve challenging problems. * Work with a broad range of financial products, including rates, FX, inflation, and credit. What Were Looking For * Proven experience in high-level programming (C# or C++). * Strong background in system/API design.
PREMIUM
)
Software Development Engineer in Test (SDET)
Software Development Engineer in Test (SDET)
ARC IT Recruitment Ltd
South West London (SW1)
£55,000 per annum
Were looking for an experienced SDET to join a high-performing engineering team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications and APIs while tackling interesting technical challenges. * Designing and maintaining test automation frameworks (JavaScript/TypeScript) * Automated and manual testing of web applications and APIs * Test planning, estimation, execution and defect management * Integrating automated tests into CI/CD pipelines * Collaborating across teams to improve quality and close requirement gaps * Proven experience in SDET or test automation roles
Were looking for an experienced SDET to join a high-performing engineering team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications and APIs while tackling interesting technical challenges. * Designing and maintaining test automation frameworks (JavaScript/TypeScript) * Automated and manual testing of web applications and APIs * Test planning, estimation, execution and defect management * Integrating automated tests into CI/CD pipelines * Collaborating across teams to improve quality and close requirement gaps * Proven experience in SDET or test automation roles
)
Senior Automation Test Engineer - ETRM / Trading Platforms
Senior Automation Test Engineer - ETRM / Trading Platforms
Data Careers
Southwark, South East London (SE1), SE1
£70000 - £90000 per annum
Permanent Location: London / Home (Hybrid) Salary: £70,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are looking to recruit an Automation Tester, with trading platform experience, for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a hybrid role and you will be required to work on client site in London 2 / 3 days a week. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows
Permanent Location: London / Home (Hybrid) Salary: £70,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are looking to recruit an Automation Tester, with trading platform experience, for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a hybrid role and you will be required to work on client site in London 2 / 3 days a week. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows
)
We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
)
Im working with a global, purpose-driven technology group thats hiring a Solutions Engineer to support large-scale digital transformation across a diverse portfolio of innovative businesses. This Solutions Engineer role sits within a central Digital Solutions team and offers the chance to work with cloud, AI and emerging technologies to build scalable, real-world solutions used across multiple industries. As a Solutions Engineer, youll be hands-on designing and prototyping modern platforms, influencing engineering best practice, and creating reusable technical assets. Its a great opportunity for engineers who want exposure to cloud services, Generative AI, VR/AR and edge technologies in a highly collaborative environment. * Designing and developing cloud-native solutions and proof-of-concepts * Working with modern cloud services, APIs and microservices
Im working with a global, purpose-driven technology group thats hiring a Solutions Engineer to support large-scale digital transformation across a diverse portfolio of innovative businesses. This Solutions Engineer role sits within a central Digital Solutions team and offers the chance to work with cloud, AI and emerging technologies to build scalable, real-world solutions used across multiple industries. As a Solutions Engineer, youll be hands-on designing and prototyping modern platforms, influencing engineering best practice, and creating reusable technical assets. Its a great opportunity for engineers who want exposure to cloud services, Generative AI, VR/AR and edge technologies in a highly collaborative environment. * Designing and developing cloud-native solutions and proof-of-concepts * Working with modern cloud services, APIs and microservices
PREMIUM
)
Full-Stack Software Developer
Full-Stack Software Developer
Sanderson Government and Defence
City of London (EC1), EC1
Up to £520 per day
Role: Software Developer Day Rate: £520p/d Inside IR35 Location: Central London (hybrid up to 2 days a week) Clearance required: ACTIVE SC & NPPV3 clearance. Duration: initial work package until March 2026 (scope for extension as a long-term programme) We're looking for an expert Full-Stack Java Engineer to join a high-profile, fast-moving government programme with a fixed deadline. You'll work in a large team building microservices, scalable APIs, optimised SQL, and fully containerised deployments on AWS. You'll also collaborate directly with senior stakeholders, turning complex problems into tested, working solutions. What You'll Do * Build and deploy backend services with Java & Spring Boot * Develop scalable APIs * Optimise SQL for large datasets * Work with DevOps on Docker and AWS deployments * Shape architecture and technical direction
Role: Software Developer Day Rate: £520p/d Inside IR35 Location: Central London (hybrid up to 2 days a week) Clearance required: ACTIVE SC & NPPV3 clearance. Duration: initial work package until March 2026 (scope for extension as a long-term programme) We're looking for an expert Full-Stack Java Engineer to join a high-profile, fast-moving government programme with a fixed deadline. You'll work in a large team building microservices, scalable APIs, optimised SQL, and fully containerised deployments on AWS. You'll also collaborate directly with senior stakeholders, turning complex problems into tested, working solutions. What You'll Do * Build and deploy backend services with Java & Spring Boot * Develop scalable APIs * Optimise SQL for large datasets * Work with DevOps on Docker and AWS deployments * Shape architecture and technical direction
FEATURED
Related Jobs
Locations
- The City, City (EC4)
- Southwark
- Hinxton
- The City, City (EC2)
- The City, City (EC3)
- St James
- Arundel Heights
- Bellfields
- Bengo
- Bloomsbury
- City of London
- Cambridge
- Central London
- West End
- Reading
- Milton Keynes
- South East London
- Brighton
- South West London
- Guildford
- London
- Berkshire
- Cambridgeshire
- Hertfordshire
- Buckinghamshire
- Oxfordshire
- Surrey
- Essex
- East Sussex
- Bedfordshire
- South East
- East Anglia