Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
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Full Stack Engineer TypeScript API React
Full Stack Engineer TypeScript API React
Client Server
Shoreditch, East London (E1), EC2A
£50000 - £60000 per annum + benefits
Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k Are you a bright, ambitious technologist who enjoys working with a range of programming languages across the full tech stack? You could progress your career at 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.
Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k Are you a bright, ambitious technologist who enjoys working with a range of programming languages across the full tech stack? You could progress your career at 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.
PREMIUM
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
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Director, Product Management - Mastercard Move (Cross Border Services)
Director, Product Management - Mastercard Move (Cross Border Services)
Mastercard
City of London (EC4R), EC4R 3AB
Competitive
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Do you enjoy being part of a team that drives business growth by building scalable payment products, fostering deep partnerships, and enabling adoption of innovative solutions? Are you passionate about cutting edge innovation in cross-border money movement?
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Do you enjoy being part of a team that drives business growth by building scalable payment products, fostering deep partnerships, and enabling adoption of innovative solutions? Are you passionate about cutting edge innovation in cross-border money movement?
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Cloud Solution Architect
Cloud Solution Architect
International Business Solutions Consulting Limited
Soho, Central London (W1), W1D
£500 per day
Cloud Platform Engineering Lead My client, a large consultancy, is in need of a Cloud Platform Engineering Lead for a 6 month contract inside IR35 based in London offering 2 days per week remote but requiring 3 days per week on-site. The ideal candidate will have strong experience in delivering large-scale, fault-tolerant systems; setting SLOs/SLIs, Terraform and modern CI/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker), Containers & orchestration (Kubernetes) and service mesh (eg, Istio), API design & security (REST/OpenAPI, mTLS, authN/Z), Scripting in Bash, PowerShell, or Python, Cloud Expertise (Depth in One, Ready to Cross-Train), Azure: ARM/Bicep, AKS, Application Gateway, API Management, Azure Storage, GCP: GKE, Cloud Load Balancing, Cloud Armor, Istio, Stackdriver, Jenkins, Apigee.
Cloud Platform Engineering Lead My client, a large consultancy, is in need of a Cloud Platform Engineering Lead for a 6 month contract inside IR35 based in London offering 2 days per week remote but requiring 3 days per week on-site. The ideal candidate will have strong experience in delivering large-scale, fault-tolerant systems; setting SLOs/SLIs, Terraform and modern CI/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker), Containers & orchestration (Kubernetes) and service mesh (eg, Istio), API design & security (REST/OpenAPI, mTLS, authN/Z), Scripting in Bash, PowerShell, or Python, Cloud Expertise (Depth in One, Ready to Cross-Train), Azure: ARM/Bicep, AKS, Application Gateway, API Management, Azure Storage, GCP: GKE, Cloud Load Balancing, Cloud Armor, Istio, Stackdriver, Jenkins, Apigee.
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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
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Tech Lead – Azure / .NET
Tech Lead – Azure / .NET
ARC IT Recruitment Ltd
The City, City of London (EC4), EC4N
Up to £100,000 per annum c.20% bonus + excellent benefits
Remote / London (occasional office visits) £95,000 £100,000 + c.20% bonus + excellent benefits Azure | C# | .NET | APIs | Platform Leadership A senior Tech Lead is required to join a well-established e-commerce brand operating at scale, supporting high-throughput, business-critical backend systems. This role sits within a core backend and API-focused team responsible for internal platforms that directly support commercial operations. It is a leadership role first and foremost, focused on technical direction, solution design, and raising engineering standards, rather than day-to-day feature coding. Youll work closely with senior engineering leadership and a small, capable team, taking clear ownership of technical decisions while nurturing engineers and driving meaningful platform improvements.
Remote / London (occasional office visits) £95,000 £100,000 + c.20% bonus + excellent benefits Azure | C# | .NET | APIs | Platform Leadership A senior Tech Lead is required to join a well-established e-commerce brand operating at scale, supporting high-throughput, business-critical backend systems. This role sits within a core backend and API-focused team responsible for internal platforms that directly support commercial operations. It is a leadership role first and foremost, focused on technical direction, solution design, and raising engineering standards, rather than day-to-day feature coding. Youll work closely with senior engineering leadership and a small, capable team, taking clear ownership of technical decisions while nurturing engineers and driving meaningful platform improvements.
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Lead Product Designer
Lead Product Designer
Halian Technology Limited
Central London (W1)
From £100,000 to £115,000 per annum Plus bonus and benefits
Were looking for a passionate and pragmaticProductDesign Leadto build and shape the design function of my fintech clients product within the payments space. This is a rare opportunity to define my clients design culture from the ground upspanning UI/UX, API documentation, and visual identity across the organisation. Customer-centric simplicitysits at the heart of their product philosophy. As their first in-house design leadership hire, youll have a pivotal role in making design a strategic force across the business. Youll lead by examplesetting direction, creating scalable design systems, leveraging AI tools, and contributing directly with hands-on work across product and marketing design. Key Responsibilities * Report regularly to the Product Director and keep leadership informed.
Were looking for a passionate and pragmaticProductDesign Leadto build and shape the design function of my fintech clients product within the payments space. This is a rare opportunity to define my clients design culture from the ground upspanning UI/UX, API documentation, and visual identity across the organisation. Customer-centric simplicitysits at the heart of their product philosophy. As their first in-house design leadership hire, youll have a pivotal role in making design a strategic force across the business. Youll lead by examplesetting direction, creating scalable design systems, leveraging AI tools, and contributing directly with hands-on work across product and marketing design. Key Responsibilities * Report regularly to the Product Director and keep leadership informed.
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Business Analyst
Business Analyst
REC SOLUTIONS LIMITED
The City, City of London (EC4), EC4N
Competitive base salary plus bonus and benefits
***Hybrid, 3 days a week in the office 2 days remote*** An excellent opportunity has arisen for a Business Analyst to join a forward thinking, innovative exchange based in the City, London working with some cutting edge technologies. Benefits (not exhaustive list) - Business Analyst (FinTech, Financial Services, Trading, Equities, Equity) * Competitive salary * 25 days annual leave - not including bank holidays * Can opt to join Private Medical insurance scheme * Hybrid working * Flexible working hours * Company pension * Group Policies Life Assurance, Income Protection and Critical Illness * Discretionary bonus * Can opt to join Electric Car Scheme * Enhanced Maternity and Paternity Policy * Can opt to join Workplace Nursery Scheme * Length of service holiday entitlement
***Hybrid, 3 days a week in the office 2 days remote*** An excellent opportunity has arisen for a Business Analyst to join a forward thinking, innovative exchange based in the City, London working with some cutting edge technologies. Benefits (not exhaustive list) - Business Analyst (FinTech, Financial Services, Trading, Equities, Equity) * Competitive salary * 25 days annual leave - not including bank holidays * Can opt to join Private Medical insurance scheme * Hybrid working * Flexible working hours * Company pension * Group Policies Life Assurance, Income Protection and Critical Illness * Discretionary bonus * Can opt to join Electric Car Scheme * Enhanced Maternity and Paternity Policy * Can opt to join Workplace Nursery Scheme * Length of service holiday entitlement
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Senior Java Software Engineer (Urgent)
Senior Java Software Engineer (Urgent)
Morson Edge
Tower Hill, City of London (EC3), E1W 1WY
£500 - 600 per day
We are seeking an experienced Senior Java Software Engineer to join the IT team at a leading bank, supporting the delivery, maintenance, and enhancement of core systems across various business areas, including operations, compliance, transactions, and client management. This is a 6-month contract role offering an excellent day rate, ideally suited to candidates with experience in regulated environments, financial services, or government/public sector organisations. In this role, you will be an integral part of the software development lifecycle, working closely with Senior Java Developers, UI/UX teams, and Agile Transformation to architect, build, and deliver greenfield, brownfield, and integration applications.
We are seeking an experienced Senior Java Software Engineer to join the IT team at a leading bank, supporting the delivery, maintenance, and enhancement of core systems across various business areas, including operations, compliance, transactions, and client management. This is a 6-month contract role offering an excellent day rate, ideally suited to candidates with experience in regulated environments, financial services, or government/public sector organisations. In this role, you will be an integral part of the software development lifecycle, working closely with Senior Java Developers, UI/UX teams, and Agile Transformation to architect, build, and deliver greenfield, brownfield, and integration applications.
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Up to £475 Per day inside IR35 Long term contract Remote UK/EU We’re looking for a BE Engineer to design and build high-quality backend systems and data pipelines that power the analytics platform. You’ll collaborate with engineers and the Product team across the full software lifecycle, leading on scalable services that ingest, transform and deliver data to our frontend applications and customers. You’ll bring strong Python skills, experience with microservices and data ingestion/ETL pipelines, and an eye for clean, maintainable code. Familiarity with AI-assisted dev tools (GitHub Copilot, Cursor, Windsurf, Devin) is a plus — we encourage using them to boost developer velocity and quality. What you’ll do * Design and implement robust, scalable backend services in Python * Own and improve data ingestion & processing pipelines
Up to £475 Per day inside IR35 Long term contract Remote UK/EU We’re looking for a BE Engineer to design and build high-quality backend systems and data pipelines that power the analytics platform. You’ll collaborate with engineers and the Product team across the full software lifecycle, leading on scalable services that ingest, transform and deliver data to our frontend applications and customers. You’ll bring strong Python skills, experience with microservices and data ingestion/ETL pipelines, and an eye for clean, maintainable code. Familiarity with AI-assisted dev tools (GitHub Copilot, Cursor, Windsurf, Devin) is a plus — we encourage using them to boost developer velocity and quality. What you’ll do * Design and implement robust, scalable backend services in Python * Own and improve data ingestion & processing pipelines
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My London based client is looking to recruit an experienced Senior QA and Test Analyst with in depth expertise working with TOSCA. Working in the Quality Assurance and Test team this role sits within the SAP platform division and reports in to the Product & Platform QA and Test Manager. Within this lead role, you will be tasked with ensuring quality outcomes align with business strategy - focusing specifically on all SAP systems and integrated app interfaces for both Finance and HR systems automation. * Champion quality and enable successful change, engaging with all stakeholders * Ensure rapid delivery is supported through test automation, test tools and best practice * Ensure quality needs and expectations are met * Ensure stakeholders have access to quality information * Lead at all levels of the Quality lifecycle * Inform and align on Quality approach
My London based client is looking to recruit an experienced Senior QA and Test Analyst with in depth expertise working with TOSCA. Working in the Quality Assurance and Test team this role sits within the SAP platform division and reports in to the Product & Platform QA and Test Manager. Within this lead role, you will be tasked with ensuring quality outcomes align with business strategy - focusing specifically on all SAP systems and integrated app interfaces for both Finance and HR systems automation. * Champion quality and enable successful change, engaging with all stakeholders * Ensure rapid delivery is supported through test automation, test tools and best practice * Ensure quality needs and expectations are met * Ensure stakeholders have access to quality information * Lead at all levels of the Quality lifecycle * Inform and align on Quality approach
Principal Full Stack Engineer React, Typescript, C#, .NET Core, MySQL, AWS Services (serverless) Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Principal Engineer (Full Stack) / Lead Full Stack Developer with deep expertise in React, Typescript, C#, .Net Core, MySQL, AWS Serverless Services and event driven architecture. This business is embracing AI and bleeding edge development practices and offers the opportunity to help them to evolve and automate their Platform as a Service (PaaS) environment. * Own architecture and technical decisions across squads; accountable for how software is built and shipped. * Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs.
Principal Full Stack Engineer React, Typescript, C#, .NET Core, MySQL, AWS Services (serverless) Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Principal Engineer (Full Stack) / Lead Full Stack Developer with deep expertise in React, Typescript, C#, .Net Core, MySQL, AWS Serverless Services and event driven architecture. This business is embracing AI and bleeding edge development practices and offers the opportunity to help them to evolve and automate their Platform as a Service (PaaS) environment. * Own architecture and technical decisions across squads; accountable for how software is built and shipped. * Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs.
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Software Engineer (C# .Net & Visual Studio)
Software Engineer (C# .Net & Visual Studio)
TECHNOLOGY RESOURCING LIMITED
Bellfields, Guildford (GU1), GU1
From £40,000 to £51,000 per annum Annual bonus (currently £4.5–6K)
Location:Guildford, Surrey Salary:£40-51K + bonus Flexible Hours Purpose-Driven CultureCutting-Edge Projects Join a purpose-driven tech team where innovation leads to direct business impact. If youre an experienced C# .NET Developer looking to work on cutting-edge projects in a highly collaborative, agile environment, then this is your opportunity to make a real difference. Why This Role Stands Out * Small Team, Big Impact: Work directly with the IT Director (a hands-on developer) and an infrastructure specialist your ideas wont just be heard, theyll shape the future. * Tech-Forward Culture: Embrace AI-assisted coding and testing tools to accelerate development, testing and deployment.
Location:Guildford, Surrey Salary:£40-51K + bonus Flexible Hours Purpose-Driven CultureCutting-Edge Projects Join a purpose-driven tech team where innovation leads to direct business impact. If youre an experienced C# .NET Developer looking to work on cutting-edge projects in a highly collaborative, agile environment, then this is your opportunity to make a real difference. Why This Role Stands Out * Small Team, Big Impact: Work directly with the IT Director (a hands-on developer) and an infrastructure specialist your ideas wont just be heard, theyll shape the future. * Tech-Forward Culture: Embrace AI-assisted coding and testing tools to accelerate development, testing and deployment.
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Role - .Net Engineer Location - Hybrid, Home and twice a month onsite (multiple locations) Contract - Initial 3 months, high probability of extension to 2027 Rate - £475 to £525 per day Start - ASAP This role has been deemed Inside IR35. You must hold active SC Clearance to be eligible for this role. The Opportunity We are working in partnership with a leading defence systems integrator to recruit a .Net Engineer for a major long-term programme of work. This is an exciting opportunity to join a highly capable engineering team delivering innovative software solutions across complex and mission-critical environments. If you’re looking to broaden your technical exposure; particularly across modern data platforms and integration technologies—this role offers the chance to grow within a dynamic, fast-moving setting where no two challenges are the same. The Role
Role - .Net Engineer Location - Hybrid, Home and twice a month onsite (multiple locations) Contract - Initial 3 months, high probability of extension to 2027 Rate - £475 to £525 per day Start - ASAP This role has been deemed Inside IR35. You must hold active SC Clearance to be eligible for this role. The Opportunity We are working in partnership with a leading defence systems integrator to recruit a .Net Engineer for a major long-term programme of work. This is an exciting opportunity to join a highly capable engineering team delivering innovative software solutions across complex and mission-critical environments. If you’re looking to broaden your technical exposure; particularly across modern data platforms and integration technologies—this role offers the chance to grow within a dynamic, fast-moving setting where no two challenges are the same. The Role
Software Engineering Lead Java AI - FinTech
Software Engineering Lead Java AI - FinTech
Client Server
Shoreditch, East London (E1), EC2A
£120000 - £140000 per annum + bonus + benefits
Software Engineering Lead (Java AI) London / WFH to £140k Are you a technical leader with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Engineering Manager role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Software Engineering Lead you'll head up a team of nine Software Engineers whilst remaining hands-on with coding. Your primary focus will be on using Claude code (and other AI tools and frameworks) throughout the development lifecycle from initial requirements shaping through to deployment to improve speed and efficiency of software development and release.
Software Engineering Lead (Java AI) London / WFH to £140k Are you a technical leader with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Engineering Manager role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Software Engineering Lead you'll head up a team of nine Software Engineers whilst remaining hands-on with coding. Your primary focus will be on using Claude code (and other AI tools and frameworks) throughout the development lifecycle from initial requirements shaping through to deployment to improve speed and efficiency of software development and release.
PREMIUM
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Software Engineer (Hardware Integration with .NET)
Software Engineer (Hardware Integration with .NET)
IO Associates
City of London (EC1)
£600 - £800 per day + Outside IR35 and Hybrid
Role: Staff Software Engineer Sector: Life Sciences Location: London Days Onsite: 3 per week Day Rate: £800 Outside IR35 Duration: 4 Months then to extend or go Permanent iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements * Strong .NET / C# background * Significant experience integrating and communicating with hardware devices * Ability to handle Windows devices, drivers, and communication layers * 8+ years of experience at a staff-level, capable of working autonomously * Not a web-focused developer; needs to be fully hardware-integration oriented Beneficial Experience * gRPC, REST APIs, HTTP * Integrating devices in Life Sciences
Role: Staff Software Engineer Sector: Life Sciences Location: London Days Onsite: 3 per week Day Rate: £800 Outside IR35 Duration: 4 Months then to extend or go Permanent iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements * Strong .NET / C# background * Significant experience integrating and communicating with hardware devices * Ability to handle Windows devices, drivers, and communication layers * 8+ years of experience at a staff-level, capable of working autonomously * Not a web-focused developer; needs to be fully hardware-integration oriented Beneficial Experience * gRPC, REST APIs, HTTP * Integrating devices in Life Sciences
FEATURED
React Developer TypeScript - Hedge Fund
React Developer TypeScript - Hedge Fund
Client Server
Victoria, South West London (SW1), SW1H
£80000 - £95000 per annum + bonus + benefits
React Developer / Front End Engineer (React v19 TypeScript) London / WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. You'll join colleagues in the impressive Central London office with flexibility to work from home twice a week. * You have strong Front End development skills with React (they're using v19) and TypeScript * You are experienced with other web technologies such as HTML, CSS, Web APIs
React Developer / Front End Engineer (React v19 TypeScript) London / WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. You'll join colleagues in the impressive Central London office with flexibility to work from home twice a week. * You have strong Front End development skills with React (they're using v19) and TypeScript * You are experienced with other web technologies such as HTML, CSS, Web APIs
PREMIUM
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Palantir Foundry Consultant You'll work as a hands-on Palantir Foundry consultant, helping to design, build and support data and application workflows on the platform. You'll work closely with senior Foundry engineers and architects, contribute to technical decisions, and collaborate directly with business stakeholders as you grow into owning areas end-to-end. Core Responsibilities Foundry Solution Delivery o Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). o Ontology modelling (objects, relationships, basic semantics, versioning). o Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). * Implement data modelling and transformation patterns under guidance from senior team members.
Palantir Foundry Consultant You'll work as a hands-on Palantir Foundry consultant, helping to design, build and support data and application workflows on the platform. You'll work closely with senior Foundry engineers and architects, contribute to technical decisions, and collaborate directly with business stakeholders as you grow into owning areas end-to-end. Core Responsibilities Foundry Solution Delivery o Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). o Ontology modelling (objects, relationships, basic semantics, versioning). o Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). * Implement data modelling and transformation patterns under guidance from senior team members.
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Front Office Developer - Technical Team Lead
Front Office Developer - Technical Team Lead
CMC Markets UK Plc
The City, City of London (EC3), EC3A 7BX
Competitive Salary + Bonus, Pension, Private Health, Life Assurance
We are now looking for a talented team-oriented developer who thrives in a collaborative environment, enjoys solving complex technical challenges, and wants to make an impact in a fast-paced, global setting. Join our Pricing & Risk team, working on our front-office pricing and trading platform. This is a hands-on role focused on building and maintaining distributed backend systems that support our market-making business across multiple asset classes including Equities, FX, Crypto, and Commodities. * Design, develop, and maintain backend infrastructure, microservices, APIs, and business logic for our pricing and trading systems. * Partner with front-end developers, quants, and front-office users to deliver efficient, scalable, and high-performance solutions.
We are now looking for a talented team-oriented developer who thrives in a collaborative environment, enjoys solving complex technical challenges, and wants to make an impact in a fast-paced, global setting. Join our Pricing & Risk team, working on our front-office pricing and trading platform. This is a hands-on role focused on building and maintaining distributed backend systems that support our market-making business across multiple asset classes including Equities, FX, Crypto, and Commodities. * Design, develop, and maintain backend infrastructure, microservices, APIs, and business logic for our pricing and trading systems. * Partner with front-end developers, quants, and front-office users to deliver efficient, scalable, and high-performance solutions.
FEATURED
Urgent 12-month Hybrid AI/Machine Learning (ML) engineer role paying £400 a day inside IR35 in central London with 2-3 days in the office a week. Start before Christmas, I need to send candidates today for this to be possible. Interviews next week apply asap/Today Build and optimize AI/ML pipelines for predictive modelling, NLP, and generative AI applications. Perform Exploratory Data Analysis (EDA), data mining, and visualization to extract insights. Design and implement Big Data solutions using Hadoop, Spark, PySpark, and Data Lake architectures. Develop and deploy ML models (supervised, unsupervised, tree-based, ensemble methods). Implement deep learning architectures (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs.
Urgent 12-month Hybrid AI/Machine Learning (ML) engineer role paying £400 a day inside IR35 in central London with 2-3 days in the office a week. Start before Christmas, I need to send candidates today for this to be possible. Interviews next week apply asap/Today Build and optimize AI/ML pipelines for predictive modelling, NLP, and generative AI applications. Perform Exploratory Data Analysis (EDA), data mining, and visualization to extract insights. Design and implement Big Data solutions using Hadoop, Spark, PySpark, and Data Lake architectures. Develop and deploy ML models (supervised, unsupervised, tree-based, ensemble methods). Implement deep learning architectures (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs.
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DeFi Remote Up to $250k Plexus has another great opportunity with one of our clients that are a non-custodial crypto trading and data platform built for speed, accuracy, and full user control. They provide a unified base of operations where traders keep custody of their funds, access live market data, execute instantly, and trade even the newest markets with powerful, intuitive tools. they keep there team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities * Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. * Cross-Team Collaboration: Work with designers, product, and users to align backend solutions with platform needs.
DeFi Remote Up to $250k Plexus has another great opportunity with one of our clients that are a non-custodial crypto trading and data platform built for speed, accuracy, and full user control. They provide a unified base of operations where traders keep custody of their funds, access live market data, execute instantly, and trade even the newest markets with powerful, intuitive tools. they keep there team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities * Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. * Cross-Team Collaboration: Work with designers, product, and users to align backend solutions with platform needs.
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Senior Identity & Access Management Engineer – Typescript, C#, AWS IAM
Senior Identity & Access Management Engineer – Typescript, C#, AWS IAM
Smart Sourcer Limited
City of London (EC1)
From £85,000 to £90,000 per annum + bonus + benefits
Senior Identity & Access Management Engineer Typescript, C#, OAuth2, AWS IAM, Zero Trust Outstanding opportunity to join this global B2B SaaS leader as a Senior Full Stack IAM Engineer, developing secure, scalable identity and access management across multiple components and geographies. This permanent role offers the chance to shape the Zero Trust authentication and authorization services in a cutting-edge, AI-driven environment. Own the IAM platform, designing and developing integrations with OAuth providers Build full-stack zero trust security features in TypeScript, C#, AWS IAM Deliver secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK)
Senior Identity & Access Management Engineer Typescript, C#, OAuth2, AWS IAM, Zero Trust Outstanding opportunity to join this global B2B SaaS leader as a Senior Full Stack IAM Engineer, developing secure, scalable identity and access management across multiple components and geographies. This permanent role offers the chance to shape the Zero Trust authentication and authorization services in a cutting-edge, AI-driven environment. Own the IAM platform, designing and developing integrations with OAuth providers Build full-stack zero trust security features in TypeScript, C#, AWS IAM Deliver secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK)
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A client is seeking an experienced C# Developer to join their development team and support a key internal initiative. In this role, you'll also play a major part in configuring, enhancing, and integrating Microsoft Dynamics 365 within the business. As a Software Developer, you’ll collaborate closely with senior stakeholders to deliver clean, efficient, and reliable code that underpins critical business applications. * Produce well-structured and clearly documented C# / .NET code. * Configure, customise, and maintain Microsoft Dynamics 365. * Build and support integrations across Dynamics 365 and other systems. * Develop plugins, workflows, and bespoke components within the Dynamics ecosystem. * Work seamlessly with cross-functional teams in a fully remote setting. * Take part in code reviews and contribute to help define best practices.
A client is seeking an experienced C# Developer to join their development team and support a key internal initiative. In this role, you'll also play a major part in configuring, enhancing, and integrating Microsoft Dynamics 365 within the business. As a Software Developer, you’ll collaborate closely with senior stakeholders to deliver clean, efficient, and reliable code that underpins critical business applications. * Produce well-structured and clearly documented C# / .NET code. * Configure, customise, and maintain Microsoft Dynamics 365. * Build and support integrations across Dynamics 365 and other systems. * Develop plugins, workflows, and bespoke components within the Dynamics ecosystem. * Work seamlessly with cross-functional teams in a fully remote setting. * Take part in code reviews and contribute to help define best practices.
Solutions Consultant – Integrations
Solutions Consultant – Integrations
ARC IT Recruitment Ltd
West End, Central London (W1), W1G
£competitive + Bonus + Excellent Benefits
Remote £competitive + benefits Talented Solutions Consultant with HR Tech integrations experience is sought by thriving software house. Theyre looking for someone who can take the lead on how their platform connects with other HR systems. This is a standalone role, so youll have real ownership over integrations with ATS platforms, CRMs and other third-party tools. Youll work closely with product, engineering, professional services and customer success teams, acting as the link between what clients need and how the technology delivers it. Key Responsibilities * Taking charge of the integration part of client implementations. Often this will sit within a wider project that might include assessments, video interviewing, reporting tools or virtual assessment centres.
Remote £competitive + benefits Talented Solutions Consultant with HR Tech integrations experience is sought by thriving software house. Theyre looking for someone who can take the lead on how their platform connects with other HR systems. This is a standalone role, so youll have real ownership over integrations with ATS platforms, CRMs and other third-party tools. Youll work closely with product, engineering, professional services and customer success teams, acting as the link between what clients need and how the technology delivers it. Key Responsibilities * Taking charge of the integration part of client implementations. Often this will sit within a wider project that might include assessments, video interviewing, reporting tools or virtual assessment centres.
Java Software Engineer - Tech for Good
Java Software Engineer - Tech for Good
Client Server
The City, City of London (EC3), EC3V
£85000 - £100000 per annum + benefits
Java Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a 'tech for good' product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android). As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising SQL database queries and occasional front end work, creating user friendly interfaces using Angular (v15+).
Java Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a 'tech for good' product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android). As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising SQL database queries and occasional front end work, creating user friendly interfaces using Angular (v15+).
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