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        58 Part Time API jobs in Hoddesdon + 20 miles

        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.
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        PREMIUM

        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.
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        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.
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        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.
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        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
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        NEW
        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
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        NEW

        Solutions Engineer

        Anson Mccade
        City of London (EC2A), EC2A
        From £60,000 to £65,000 per annum
        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
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        PREMIUM
        Description and requirements Skanska, one of the worlds leading project development and construction groups, is an inclusive and responsible business that is helping to build a better society. We are looking for a Head of Data & Analytics to join our Technology & Sustainability team in Leavesden (Watford). The Head of Data Analytics will be responsible for setting the strategic direction, governance, and delivery of data capabilities across the organisation. * Be accountable for defining and executing the organisations data and analytics strategy, aligning it with business priorities and regulatory requirements. * Lead the Data Analytics and Engineering function, ensuring seamless collaboration across Analysts, Engineers, Architects, and Governance specialists, and preparing for the future integration of Data Science.
        Description and requirements Skanska, one of the worlds leading project development and construction groups, is an inclusive and responsible business that is helping to build a better society. We are looking for a Head of Data & Analytics to join our Technology & Sustainability team in Leavesden (Watford). The Head of Data Analytics will be responsible for setting the strategic direction, governance, and delivery of data capabilities across the organisation. * Be accountable for defining and executing the organisations data and analytics strategy, aligning it with business priorities and regulatory requirements. * Lead the Data Analytics and Engineering function, ensuring seamless collaboration across Analysts, Engineers, Architects, and Governance specialists, and preparing for the future integration of Data Science.
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        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

        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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        We are seeking a dynamic scientific and technical leader to build and direct a new Discovery Applied AI/ML group a team dedicated to transforming how we discover medicines by embedding state-of-the-art AI/ML directly into our discovery workflows, platforms, and decision-making. We designed this role for someone with a desire to advance scientific knowledge and harness the revolution in AI/ML, automation, and predictive sciences to deliver measurable impacts across the drug discovery procress on the success and progression of our medicine discovery portfolio. This group will operate as the applied AI/ML engine and thought partner for GSKs Discovery functions, working in close partnership with Discovery Data Sciences and other R&D teams. * Focus on AI/ML innovation, engineering, and productization (e.g., generative design tools, active learning loops, LIAL frameworks)
        We are seeking a dynamic scientific and technical leader to build and direct a new Discovery Applied AI/ML group a team dedicated to transforming how we discover medicines by embedding state-of-the-art AI/ML directly into our discovery workflows, platforms, and decision-making. We designed this role for someone with a desire to advance scientific knowledge and harness the revolution in AI/ML, automation, and predictive sciences to deliver measurable impacts across the drug discovery procress on the success and progression of our medicine discovery portfolio. This group will operate as the applied AI/ML engine and thought partner for GSKs Discovery functions, working in close partnership with Discovery Data Sciences and other R&D teams. * Focus on AI/ML innovation, engineering, and productization (e.g., generative design tools, active learning loops, LIAL frameworks)
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        Machine Learning Engineer

        Via Match Limited
        City of London (EC2A)
        From £70,000 to £85,000 per annum
        London, Bristol or Edinburgh We are working with a leading energy technology company that has built a major intelligence platform used by global energy and automotive brands. Their work helps accelerate the shift to reliable and affordable clean energy. The business operates internationally and promotes a flexible, hybrid approach to work. The Role The company is hiring a Machine Learning Engineer at Tech Lead level to join a central ML team supporting Product and Engineering groups. You will design and productionise ML, optimisation and GenAI solutions that sit at the core of their platform. Projects include forecasting, recommendation systems and classification tools. Key Responsibilities * Build ML and GenAI solutions in Python, using Databricks, Kafka and AWS * Deploy and maintain algorithms in a microservices environment
        London, Bristol or Edinburgh We are working with a leading energy technology company that has built a major intelligence platform used by global energy and automotive brands. Their work helps accelerate the shift to reliable and affordable clean energy. The business operates internationally and promotes a flexible, hybrid approach to work. The Role The company is hiring a Machine Learning Engineer at Tech Lead level to join a central ML team supporting Product and Engineering groups. You will design and productionise ML, optimisation and GenAI solutions that sit at the core of their platform. Projects include forecasting, recommendation systems and classification tools. Key Responsibilities * Build ML and GenAI solutions in Python, using Databricks, Kafka and AWS * Deploy and maintain algorithms in a microservices environment
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        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.
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        PREMIUM

        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
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        PREMIUM

        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.
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        FEATURED

        Data Engineer

        Canada Life Group (UK) Ltd (The)
        City of London (EC1), EC3V 9JU
        Competitive
        Canada Life UK looks after the retirement, investment and protection needs of individuals, families and companies. We help to build better futures for our customers, our intermediaries and our employees by operating as a modern, agile and welcoming organisation. Part of our parent company Great-West Lifeco, Canada Life UK has operated in the United Kingdom since 1903. We have hundreds of respected and supported employees committed to doing the right thing for our customers and colleagues. Canada Life UK is transforming to create a more customer-focused business by providing our customers with expertise on financial and tax planning, offering home finance and annuities propositions, and providing collective fund solutions to third party customers. Job Purpose
        Canada Life UK looks after the retirement, investment and protection needs of individuals, families and companies. We help to build better futures for our customers, our intermediaries and our employees by operating as a modern, agile and welcoming organisation. Part of our parent company Great-West Lifeco, Canada Life UK has operated in the United Kingdom since 1903. We have hundreds of respected and supported employees committed to doing the right thing for our customers and colleagues. Canada Life UK is transforming to create a more customer-focused business by providing our customers with expertise on financial and tax planning, offering home finance and annuities propositions, and providing collective fund solutions to third party customers. Job Purpose
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        PREMIUM

        Senior Backend Engineer

        Plexus Resource Solutions Ltd
        City of London (EC1)
        Unspecified
        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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        Full Stack Developer

        Loopla
        Euston, North West London (NW1), NW1 2RT
        Competitive
        About Loopla Loopla is a London-based family events marketplace helping parents discover and book activities for their children. Were a small engineering team, moving quickly and building the tools that power both family discovery and organiser growth. Every engineer has real ownership and impact. The Role Were looking for a Senior Full Stack Engineer who enjoys solving hard problems, takes initiative, and cares about building things properly. Youll work across the stack, own major features end to end, and help shape the direction of a growing product. This is a hybrid role: 3 days in our Euston office, 2 days remote. We may be relocating to Stratford in the coming months, and the hybrid pattern would remain the same. Responsibilities * Lead feature planning and turn ideas into well-scoped, buildable work * Build reliable, maintainable frontend and backend systems
        About Loopla Loopla is a London-based family events marketplace helping parents discover and book activities for their children. Were a small engineering team, moving quickly and building the tools that power both family discovery and organiser growth. Every engineer has real ownership and impact. The Role Were looking for a Senior Full Stack Engineer who enjoys solving hard problems, takes initiative, and cares about building things properly. Youll work across the stack, own major features end to end, and help shape the direction of a growing product. This is a hybrid role: 3 days in our Euston office, 2 days remote. We may be relocating to Stratford in the coming months, and the hybrid pattern would remain the same. Responsibilities * Lead feature planning and turn ideas into well-scoped, buildable work * Build reliable, maintainable frontend and backend systems
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        Solution Architect

        MFA Talent Services
        City of London, London
        £60,000 – £95,000 + Bonus
        Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £60,000 £95,000 + Bonus This role requires the ability to gain SC Clearance About the Role This role offers the opportunity to operate as an end-to-end Solution Architect on major digital transformation initiatives, working directly with senior business and technology leaders. Youll design and deliver modern, cloud-native, scalable architectures across AWS, Azure and GCP, applying engineering-led thinking and hands-on technical depth to shape high-impact solutions for FTSE 100 clients. Youll act as a trusted technical advisor, defining solution options, guiding engineering teams, ensuring architectural integrity, and supporting clients from early discovery and conceptualisation through to delivery.
        Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £60,000 £95,000 + Bonus This role requires the ability to gain SC Clearance About the Role This role offers the opportunity to operate as an end-to-end Solution Architect on major digital transformation initiatives, working directly with senior business and technology leaders. Youll design and deliver modern, cloud-native, scalable architectures across AWS, Azure and GCP, applying engineering-led thinking and hands-on technical depth to shape high-impact solutions for FTSE 100 clients. Youll act as a trusted technical advisor, defining solution options, guiding engineering teams, ensuring architectural integrity, and supporting clients from early discovery and conceptualisation through to delivery.
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        Full Stack Engineer Python TypeScript

        Client Server
        St James, South West London (SW1), SW1A
        £100000 - £120000 per annum + bonus + benefits
        Full Stack Engineer / Developer (Python TypeScript) London / WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Full Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product vision and strategy playing a pivotal role in the company's success. You'll join colleagues in the London office (close to Waterloo) with flexibility to work from home twice a week.
        Full Stack Engineer / Developer (Python TypeScript) London / WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Full Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product vision and strategy playing a pivotal role in the company's success. You'll join colleagues in the London office (close to Waterloo) with flexibility to work from home twice a week.
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        PREMIUM

        Tech Lead

        MFA Talent Services
        City of London, London
        £80,000 – £100,000 + Bonus
        Technical Lead Cloud-Native Engineering | Modern Application Development Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £80,000 £100,000 + Bonus This role requires the ability to gain SC Clearance About the Role This is an excellent opportunity for a Technical Lead to guide high-performing Agile engineering teams and deliver modern, cloud-native applications for major clients. You will bring deep hands-on engineering expertise, make pragmatic architectural decisions, and champion best practices that ensure scalable, resilient and secure production systems. You will play a central role in shaping technical direction, embedding DevOps culture, ensuring strong engineering fundamentals, and working closely with stakeholders to translate requirements into high-quality digital products.
        Technical Lead Cloud-Native Engineering | Modern Application Development Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £80,000 £100,000 + Bonus This role requires the ability to gain SC Clearance About the Role This is an excellent opportunity for a Technical Lead to guide high-performing Agile engineering teams and deliver modern, cloud-native applications for major clients. You will bring deep hands-on engineering expertise, make pragmatic architectural decisions, and champion best practices that ensure scalable, resilient and secure production systems. You will play a central role in shaping technical direction, embedding DevOps culture, ensuring strong engineering fundamentals, and working closely with stakeholders to translate requirements into high-quality digital products.
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        Senior DeFi Backend Engineer

        Plexus Resource Solutions Ltd
        City of London (EC1)
        Up to £175,000 per annum
        DeFi Remote Upto€200k+ Tokens Plexus is partnering with a long-standing DeFi protocol building a next-generation trading platform. Theyre pioneering a new model for automated strategies and and are now looking for a Senior DeFi Backend Engineer to help build the core systems powering it. Youll join a highly technical team working across general backend systems engineering along with apis, optimising the application for performance, arbitrage bots and more. 3+ years experience with backend Python : Including async systems, data pipelines, or protocol-level integrations. 1+ year of recent Rust experience : With the ability to read, modify, and contribute to Rust-based components. DevOps: Ideally with docker experience
        DeFi Remote Upto€200k+ Tokens Plexus is partnering with a long-standing DeFi protocol building a next-generation trading platform. Theyre pioneering a new model for automated strategies and and are now looking for a Senior DeFi Backend Engineer to help build the core systems powering it. Youll join a highly technical team working across general backend systems engineering along with apis, optimising the application for performance, arbitrage bots and more. 3+ years experience with backend Python : Including async systems, data pipelines, or protocol-level integrations. 1+ year of recent Rust experience : With the ability to read, modify, and contribute to Rust-based components. DevOps: Ideally with docker experience
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        Software Architect

        Bilge Adam Technologies UK Ltd
        Central London (WC1)
        From £75,000 to £90,000 per annum
        Job description Job Role: Software/Solution Architect We are looking to hire an experienced Software Architect. What Youll Be Doing Youll play a key role in shaping how modern software platforms are designed, integrated, and scaled. * Designing and defining end-to-end Software Architecture * Building scalable, modular, secure platforms * Guiding developers with best practices and architectural patterns * Leading integration between cloud services, APIs, and (at times) connectivity components like telematics or infotainment * Improving performance, security, and long-term maintainability * Collaborating closely with Product and operations teams. This is a role where your technical decisions genuinely shape the future of the product. Who Were Looking For
        Job description Job Role: Software/Solution Architect We are looking to hire an experienced Software Architect. What Youll Be Doing Youll play a key role in shaping how modern software platforms are designed, integrated, and scaled. * Designing and defining end-to-end Software Architecture * Building scalable, modular, secure platforms * Guiding developers with best practices and architectural patterns * Leading integration between cloud services, APIs, and (at times) connectivity components like telematics or infotainment * Improving performance, security, and long-term maintainability * Collaborating closely with Product and operations teams. This is a role where your technical decisions genuinely shape the future of the product. Who Were Looking For
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        Software Engineering Manager - Unified Client Experience (UCX)

        Hargreaves Lansdown
        City of London (EC1)
        £90000 - £115000 per annum + Generous bonus, pension, PMI and more
        HL are looking for an experienced and talented Software Engineering Manager to lead a Unified Client Experience (UCX) product development team in building market-leading solutions for our clients. About HL and the opportunity. We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. You will build our next generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and mobile domains. It's an opportunity to design, architect and build a modern frontend using latest technologies and best practices to transform our savings and investment platform.
        HL are looking for an experienced and talented Software Engineering Manager to lead a Unified Client Experience (UCX) product development team in building market-leading solutions for our clients. About HL and the opportunity. We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. You will build our next generation Unified Client Experience (UCX) frontend that will streamline client journeys across a range of products and services, in both web and mobile domains. It's an opportunity to design, architect and build a modern frontend using latest technologies and best practices to transform our savings and investment platform.
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        FEATURED
        Principal Technical Safety Consultants (CFD-FLACS) Background Risktec Solutions is an established, independent and specialist risk management consulting and training company, and is part of the TV Rheinland Group. We help clients to manage health, safety, security, environmental and business risk in sectors where the impact of loss is significant. Our people are high calibre professionals, with a strong focus on meeting clients expectations and we have offices across the UK and in the Netherlands, Dubai, Muscat, Houston and Calgary. Further information is available at * oil and gas (offshore and onshore) * carbon capture and storage * chemical manufacturing, handling and storage * hydrogen generation and distribution * onshore and offshore wind energy. Role Description
        Principal Technical Safety Consultants (CFD-FLACS) Background Risktec Solutions is an established, independent and specialist risk management consulting and training company, and is part of the TV Rheinland Group. We help clients to manage health, safety, security, environmental and business risk in sectors where the impact of loss is significant. Our people are high calibre professionals, with a strong focus on meeting clients expectations and we have offices across the UK and in the Netherlands, Dubai, Muscat, Houston and Calgary. Further information is available at * oil and gas (offshore and onshore) * carbon capture and storage * chemical manufacturing, handling and storage * hydrogen generation and distribution * onshore and offshore wind energy. Role Description
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