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        16 Part Time API jobs in Bellfields + 20 miles

        499 exact matches jobs are outside your preferred location

        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
        Hybrid: London (1-2 days per week in the office) Paying up to £70,000 + benefits Permanent Experis are delighted to be supporting a well-established and reputable organisation as they continue to strengthen and modernise their digital client-facing capabilities. We are assisting them in the search for a Seismic Developer, a key role within the Brand & Digital Services division, responsible for designing and developing advanced Seismic LiveDoc solutions that enhance client experience, streamline document creation, and enable front-office teams to work more efficiently. This is a fantastic opportunity for someone with deep Seismic expertise who enjoys building automated, scalable, and visually polished documentation solutions.
        Hybrid: London (1-2 days per week in the office) Paying up to £70,000 + benefits Permanent Experis are delighted to be supporting a well-established and reputable organisation as they continue to strengthen and modernise their digital client-facing capabilities. We are assisting them in the search for a Seismic Developer, a key role within the Brand & Digital Services division, responsible for designing and developing advanced Seismic LiveDoc solutions that enhance client experience, streamline document creation, and enable front-office teams to work more efficiently. This is a fantastic opportunity for someone with deep Seismic expertise who enjoys building automated, scalable, and visually polished documentation solutions.
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        FEATURED

        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

        Pen Tester

        Stackstudio Digital Ltd.
        Reading (RG1)
        From £400 to £410 per day
        Role/Job Title:Pen Tester Work Location: Reading (3days) The Role We're looking for a Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results and create a report that describes findings, exploitation procedures, risks and recommendations. Please include a brief outline of the impact this role will have, including overview of customer industry and projects, access to cutting-edge technology etc. Do NOT include customer name. Your Responsibilities (Up to 10, avoiding repetition)
        Role/Job Title:Pen Tester Work Location: Reading (3days) The Role We're looking for a Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results and create a report that describes findings, exploitation procedures, risks and recommendations. Please include a brief outline of the impact this role will have, including overview of customer industry and projects, access to cutting-edge technology etc. Do NOT include customer name. Your Responsibilities (Up to 10, avoiding repetition)
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        Full Stack Software Engineer Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without the instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working with the latest tech to integrate my client's new, bespoke, in-house wealth management software with a queue of new clients while starting to plan for V2, alongside contributing your own ideas for future functions and improvements.
        Full Stack Software Engineer Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without the instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working with the latest tech to integrate my client's new, bespoke, in-house wealth management software with a queue of new clients while starting to plan for V2, alongside contributing your own ideas for future functions and improvements.
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        About the Business Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation. Quilter oversees £126.3 billion in customer investments (as of August 2025). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning offering a highly personalised service to private clients, charities, trustees, and professional partners.
        About the Business Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation. Quilter oversees £126.3 billion in customer investments (as of August 2025). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning offering a highly personalised service to private clients, charities, trustees, and professional partners.
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        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
        The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. * Building a next-generation data experience for GSKs scientists, engineers, and decision-makers, increasing productivity and reducing time spent on data mechanics * Providing best-in-class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top-tier talent * Aggressively engineering our data at scale to unlock the value of our combined data assets * Implementing scientific technology products that leverage the data and capabilities provisioned by Onyx
        The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. * Building a next-generation data experience for GSKs scientists, engineers, and decision-makers, increasing productivity and reducing time spent on data mechanics * Providing best-in-class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top-tier talent * Aggressively engineering our data at scale to unlock the value of our combined data assets * Implementing scientific technology products that leverage the data and capabilities provisioned by Onyx
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        Location/s: London Recruiter contact: Nikki George Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, youre surrounded by global specialists who want to combine their expertise and champion you to be your best.
        Location/s: London Recruiter contact: Nikki George Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, youre surrounded by global specialists who want to combine their expertise and champion you to be your best.
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        Pantheon has been at the forefront of private markets investing for more than 40 years, earning a reputation for providing innovative solutions covering the full lifecycle of investments, from primary fund commitments to co-investments and secondary purchases, across private equity, real assets and private credit. We have partnered with more than 650 clients, including institutional investors of all sizes as well as a growing number of private wealth advisers and investors, with approximately $65bn in discretionary assets under management (as of December 31, 2023). Leveraging our specialized experience and global team of professionals across Europe, the Americas and Asia, we invest with purpose and lead with expertise to build secure financial futures. For further details please visit Purpose of Position
        Pantheon has been at the forefront of private markets investing for more than 40 years, earning a reputation for providing innovative solutions covering the full lifecycle of investments, from primary fund commitments to co-investments and secondary purchases, across private equity, real assets and private credit. We have partnered with more than 650 clients, including institutional investors of all sizes as well as a growing number of private wealth advisers and investors, with approximately $65bn in discretionary assets under management (as of December 31, 2023). Leveraging our specialized experience and global team of professionals across Europe, the Americas and Asia, we invest with purpose and lead with expertise to build secure financial futures. For further details please visit Purpose of Position
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        Founding Full Stack Engineer (Python/TypeScript) – London - £180K

        Halian Technology Limited
        London
        Up to £185,000 per annum High founding member equity and Shares
        Halian is currently working with a stealth-stage AI startup is hiring its first technical team member. If you want to build core AI systems from the ground up and move faster than a typical tech organisation ever allows, this might be for you. What youll be doing Architect core infrastructure and data pipelines Build integrations with external APIs and providers Develop internal tooling and contribute directly to product roadmap decisions Work across backend, frontend, data, and cloud systems Solve high-impact problems (including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever the mission requires we optimise for impact, not rigidity What matters most Ownership: You think like a founder.
        Halian is currently working with a stealth-stage AI startup is hiring its first technical team member. If you want to build core AI systems from the ground up and move faster than a typical tech organisation ever allows, this might be for you. What youll be doing Architect core infrastructure and data pipelines Build integrations with external APIs and providers Develop internal tooling and contribute directly to product roadmap decisions Work across backend, frontend, data, and cloud systems Solve high-impact problems (including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever the mission requires we optimise for impact, not rigidity What matters most Ownership: You think like a founder.
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        SC Cleared .NET Software Engineer Remote (UK) - Central Government Salary: £60k per annum Clearance: Active SC required A leading defence and security technology consultancy is seeking an SC Cleared .NET Software Engineer to support secure government projects. Known for their cutting-edge solutions and commitment to innovation, they offer a dynamic and collaborative work environment where employees can thrive. You'll develop .NET applications, build RESTful APIs, work with Azure services, and contribute to CI/CD pipelines-all while ensuring compliance with strict security standards. * Active SC Clearance (mandatory) * Strong .NET Core / .NET Framework and C# skills * Experience with RESTful APIs, OAuth/JWT, and API security * Familiarity with Azure App Services, Functions, Storage, SQL * Experience using Azure DevOps for CI/CD
        SC Cleared .NET Software Engineer Remote (UK) - Central Government Salary: £60k per annum Clearance: Active SC required A leading defence and security technology consultancy is seeking an SC Cleared .NET Software Engineer to support secure government projects. Known for their cutting-edge solutions and commitment to innovation, they offer a dynamic and collaborative work environment where employees can thrive. You'll develop .NET applications, build RESTful APIs, work with Azure services, and contribute to CI/CD pipelines-all while ensuring compliance with strict security standards. * Active SC Clearance (mandatory) * Strong .NET Core / .NET Framework and C# skills * Experience with RESTful APIs, OAuth/JWT, and API security * Familiarity with Azure App Services, Functions, Storage, SQL * Experience using Azure DevOps for CI/CD
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        FEATURED
        Minimum of 15 years of broad IT experience with 10-12+ years proven Java development Experience of a broad range of development languages and technologies ;Java 8, 17, Spring, SpringBoot, Hibernate, JEE, Swing, MVC, Angular & AngularJS, JQuery, AJAX, JSON, HTML, CSS, XSLT, Webservice, JAXB, JSP, Tomcat, Apache, JBoss Enterprise Application Platform, SQL, Jira, Subversion, Azure Pipeline ADO, XML, and related technologies. Extensive experience in API development both REST and SOAP. Experience in OpenText Livelink APIs will be added bonus. Build scripts: Maven, Ant, CI/CD using Azure pipeline. Experience with JavaScript MVC frameworks like AngularJS, Angular2, etc. Experience with IntelliJ, Eclipse editor api. Extensive experience with Oracle, PL/SQL, etc. Experience of generating reports in different formats like PDF, MS-WORD, MS-EXCEL.
        Minimum of 15 years of broad IT experience with 10-12+ years proven Java development Experience of a broad range of development languages and technologies ;Java 8, 17, Spring, SpringBoot, Hibernate, JEE, Swing, MVC, Angular & AngularJS, JQuery, AJAX, JSON, HTML, CSS, XSLT, Webservice, JAXB, JSP, Tomcat, Apache, JBoss Enterprise Application Platform, SQL, Jira, Subversion, Azure Pipeline ADO, XML, and related technologies. Extensive experience in API development both REST and SOAP. Experience in OpenText Livelink APIs will be added bonus. Build scripts: Maven, Ant, CI/CD using Azure pipeline. Experience with JavaScript MVC frameworks like AngularJS, Angular2, etc. Experience with IntelliJ, Eclipse editor api. Extensive experience with Oracle, PL/SQL, etc. Experience of generating reports in different formats like PDF, MS-WORD, MS-EXCEL.
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        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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        Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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 Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions.
        Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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 Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions.
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        Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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 Mastercard Developers ( is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions.
        Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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 Mastercard Developers ( is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions.
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        Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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 a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, 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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        Lead Software Engineer IoT & Full-Stack Location: Hybrid / Bicester Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart energy management, and ultra-fast DC charging, TUAL delivers seamless electrification where traditional grid capacity falls short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions. The Role Were looking for a hands-on Lead Software Engineer to own the design and delivery of our IoT and cloud software platform.
        Lead Software Engineer IoT & Full-Stack Location: Hybrid / Bicester Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart energy management, and ultra-fast DC charging, TUAL delivers seamless electrification where traditional grid capacity falls short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions. The Role Were looking for a hands-on Lead Software Engineer to own the design and delivery of our IoT and cloud software platform.
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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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        Product Owner

        Gerrard White
        High Brooms, Tunbridge Wells (TN4), TN2 3EF
        Unspecified
        Location: Royal Tunbridge Wells (Hybrid) Ready to take ownership of a high-impact product and shape the future of business systems in a fast-moving tech environment? We’re looking for a dynamic Product Owner to lead the evolution of our ERP platform, alongside other key IT systems, and drive meaningful change across the organisation. This is an exciting opportunity for someone who thrives at the intersection of strategy, technology, and user experience. About the Role As the Product Owner, you’ll take full responsibility for the product backlog and roadmap, ensuring delivery remains aligned with business priorities. You’ll collaborate closely with stakeholders and an external development partner to bring new features, enhancements, and integrations to life. Your work will directly support operational excellence and long-term strategic growth. Key Responsibilities
        Location: Royal Tunbridge Wells (Hybrid) Ready to take ownership of a high-impact product and shape the future of business systems in a fast-moving tech environment? We’re looking for a dynamic Product Owner to lead the evolution of our ERP platform, alongside other key IT systems, and drive meaningful change across the organisation. This is an exciting opportunity for someone who thrives at the intersection of strategy, technology, and user experience. About the Role As the Product Owner, you’ll take full responsibility for the product backlog and roadmap, ensuring delivery remains aligned with business priorities. You’ll collaborate closely with stakeholders and an external development partner to bring new features, enhancements, and integrations to life. Your work will directly support operational excellence and long-term strategic growth. Key Responsibilities
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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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        Frequently Asked Questions

        How many part time API jobs are there in Bellfields?
        There are 16 part time API jobs within 20 miles of Bellfields available on Jobsite right now.

        Where in Bellfields are these part time jobs?
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