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        123 Part Time API jobs in Harrow + 20 miles

        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

        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.
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        PREMIUM

        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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        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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        NEW

        Director of Technology Architecture and Data

        Henderson Scott
        North West London, London, NW1 7AW
        £125000 - £135000 per annum + Hybrid, 30 Days AL,
        Director of Technology Architecture & Data Strategy Location: Hybrid - London & home | 35-hour week Reports: 4 Salary: £120,000 - £135,000 Per Annum Benefits: 30 days AL, Healthcare, Family Care, Up to 10% Pension, Support Leave Overview A senior leadership role responsible for shaping the organisation's technology architecture, data strategy, and modernisation roadmap. You'll lead enterprise and solution architecture, data platforms, governance, and standards driving technical direction across cloud, integration, and data capabilities. Key Responsibilities * Define and deliver the long-term architecture & data strategy. * Lead Enterprise Architecture, Solution Architecture, and Data Management functions. * Oversee cloud architecture (primarily Microsoft Azure), integration patterns, and API frameworks.
        Director of Technology Architecture & Data Strategy Location: Hybrid - London & home | 35-hour week Reports: 4 Salary: £120,000 - £135,000 Per Annum Benefits: 30 days AL, Healthcare, Family Care, Up to 10% Pension, Support Leave Overview A senior leadership role responsible for shaping the organisation's technology architecture, data strategy, and modernisation roadmap. You'll lead enterprise and solution architecture, data platforms, governance, and standards driving technical direction across cloud, integration, and data capabilities. Key Responsibilities * Define and deliver the long-term architecture & data strategy. * Lead Enterprise Architecture, Solution Architecture, and Data Management functions. * Oversee cloud architecture (primarily Microsoft Azure), integration patterns, and API frameworks.
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        FEATURED

        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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        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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        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
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        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 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

        Palantir Consultant

        Staffworx Limited
        Central London (W1)
        excellent package to attract the best
        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

        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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        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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        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.
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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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        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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        PREMIUM

        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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        Backend Software Engineer TypeScript Node AWS

        Client Server
        Shoreditch, East London (E1), EC2A
        £75000 - £85000 per annum + benefits
        Backend Software Engineer / Developer (TypeScript Node AWS) Remote to £85k Are you a backend focussed Software Engineer 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 Backend Software Engineer 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.
        Backend Software Engineer / Developer (TypeScript Node AWS) Remote to £85k Are you a backend focussed Software Engineer 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 Backend Software Engineer 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.
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        PREMIUM
        Data Services Team Lead / Manager Location: Epsom Salary: Competitive Team: 4 direct reports, with opportunity to grow * Hybrid working (2 days office / 3 days remote) * Private medical cover * Excellent pension contributions and bonus scheme * Car scheme for employees & family wellbeing support * 25+ days holiday plus volunteering leave * Onsite gym & other great facilities * Flexible working and extensive training options We're looking for a driven, hands-on Data Services Team Lead / Manager to guide a team of data engineers, oversee daily operations and deliver high-quality data solutions for a well-established local client. The ideal individual is someone who enjoys being technical whilst also inspiring and developing their team. This role would also be a great opportunity for a Data Engineer who has led projects and is ready to step into a leadership position.
        Data Services Team Lead / Manager Location: Epsom Salary: Competitive Team: 4 direct reports, with opportunity to grow * Hybrid working (2 days office / 3 days remote) * Private medical cover * Excellent pension contributions and bonus scheme * Car scheme for employees & family wellbeing support * 25+ days holiday plus volunteering leave * Onsite gym & other great facilities * Flexible working and extensive training options We're looking for a driven, hands-on Data Services Team Lead / Manager to guide a team of data engineers, oversee daily operations and deliver high-quality data solutions for a well-established local client. The ideal individual is someone who enjoys being technical whilst also inspiring and developing their team. This role would also be a great opportunity for a Data Engineer who has led projects and is ready to step into a leadership position.
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        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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