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        9 Temporary API jobs in Rackend + 20 miles

        281 exact matches jobs are outside your preferred location

        Senior Web Application Developer

        DISNEY
        London
        Competitive
        About the Role & Team At The Walt Disney Company, we believe that technology and storytelling go hand in hand. For a century, Disney has been at the forefront of innovation - creating unforgettable experiences and connecting audiences across generations. From our legendary parks and resorts to our cutting-edge streaming platforms, technology is the invisible magic that powers everything we do. This role sits within the Walt Disney Travel Company (International), part of Disney Destinations International (DDI), the division that brings Disney Parks, Resorts, and experiences to guests across EMEA.
        About the Role & Team At The Walt Disney Company, we believe that technology and storytelling go hand in hand. For a century, Disney has been at the forefront of innovation - creating unforgettable experiences and connecting audiences across generations. From our legendary parks and resorts to our cutting-edge streaming platforms, technology is the invisible magic that powers everything we do. This role sits within the Walt Disney Travel Company (International), part of Disney Destinations International (DDI), the division that brings Disney Parks, Resorts, and experiences to guests across EMEA.
        more
        Location/s: Bristol, Croydon, Liverpool, Newcastle, Southampton; UK Recruiter contact: Ainsley Anstess 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: Bristol, Croydon, Liverpool, Newcastle, Southampton; UK Recruiter contact: Ainsley Anstess 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.
        more
        Meta is seeking engineers to join our teams in building cutting-edge products that connect billions of people around the world. As a member of our team, you will have the opportunity to work on complex technical problems, build new features, and improve existing products across various platforms, including mobile devices and web applications. Our teams are constantly pushing the boundaries of user experience, and we're looking for individuals who can help us advance the way people connect globally. If you're interested in joining a world-class team of industry veterans and working on exciting projects that have a significant impact, we encourage you to apply. * Collaborate with cross-functional teams (product, design, operations, infrastructure) to build innovative application experiences
        Meta is seeking engineers to join our teams in building cutting-edge products that connect billions of people around the world. As a member of our team, you will have the opportunity to work on complex technical problems, build new features, and improve existing products across various platforms, including mobile devices and web applications. Our teams are constantly pushing the boundaries of user experience, and we're looking for individuals who can help us advance the way people connect globally. If you're interested in joining a world-class team of industry veterans and working on exciting projects that have a significant impact, we encourage you to apply. * Collaborate with cross-functional teams (product, design, operations, infrastructure) to build innovative application experiences
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        NEW
        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
        Join an exciting start-up working directly with the MD to build and optimise the technical infrastructure behind performance marketing campaigns across multiple markets. We're looking for a technically minded specialist who understands tracking distribution systems (Keitaro, Binom, Voluum or similar), traffic flow and how to connect the dots between lead capture, Join an exciting start-up working directly with the MD to build and optimise the technical infrastructure behind performance marketing campaigns across multiple markets. We're looking for a technically minded individual who's keen to learn and grow within performance marketing. You'll be the person ensuring campaigns run smoothly end-to-end, with full data integrity from click to conversion.
        Join an exciting start-up working directly with the MD to build and optimise the technical infrastructure behind performance marketing campaigns across multiple markets. We're looking for a technically minded specialist who understands tracking distribution systems (Keitaro, Binom, Voluum or similar), traffic flow and how to connect the dots between lead capture, Join an exciting start-up working directly with the MD to build and optimise the technical infrastructure behind performance marketing campaigns across multiple markets. We're looking for a technically minded individual who's keen to learn and grow within performance marketing. You'll be the person ensuring campaigns run smoothly end-to-end, with full data integrity from click to conversion.
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        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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        MuleSoft Architect (SC Clearable) Location: London (Hybrid 2 days onsite) Employment Type: Permanent Security Clearance: Eligible for SC Clearance (UK) We are hiring an experienced MuleSoft Architect to join a growing integration practice supporting UK public sector and enterprise clients. This is a permanent role within a consultancy environment, where architects are not tied to a single project but work flexibly across multiple engagements as client needs evolve. You will play a key role in shaping high-level integration architecture, leading solution design, and ensuring delivery of secure, scalable MuleSoft implementations. * Own and design end-to-end MuleSoft integration architectures across multiple client programmes * Define and govern API-led connectivity and enterprise integration patterns
        MuleSoft Architect (SC Clearable) Location: London (Hybrid 2 days onsite) Employment Type: Permanent Security Clearance: Eligible for SC Clearance (UK) We are hiring an experienced MuleSoft Architect to join a growing integration practice supporting UK public sector and enterprise clients. This is a permanent role within a consultancy environment, where architects are not tied to a single project but work flexibly across multiple engagements as client needs evolve. You will play a key role in shaping high-level integration architecture, leading solution design, and ensuring delivery of secure, scalable MuleSoft implementations. * Own and design end-to-end MuleSoft integration architectures across multiple client programmes * Define and govern API-led connectivity and enterprise integration patterns
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        NEWFEATURED
        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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        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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        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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        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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        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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        Job Summary As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. Your role will be pivotal in driving innovation within telecom domain projects, contributing to business success and societal impact. 5 days per week at the offices in Canary Wharf Responsibilities * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Oversee deployment and management of Anthos Service Mesh to enhance service connectivity and security.
        Job Summary As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. Your role will be pivotal in driving innovation within telecom domain projects, contributing to business success and societal impact. 5 days per week at the offices in Canary Wharf Responsibilities * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Oversee deployment and management of Anthos Service Mesh to enhance service connectivity and security.
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        Full Stack Developer

        Unipart
        Nuneaton, Warwickshire
        £35000 - £40000 per annum
        Location: Hybrid - Nuneaton and Remote Contract Type: Permanent Hours: Full time, 40 hours per week, Monday to Friday Salary: £35,000-£40,000 per annum DOE, plus car / car allowance Benefits:33 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme About the Job Youll have an important part to play delivering high quality features and seamless integrations across our enterprise web platforms. Here at Unipart we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
        Location: Hybrid - Nuneaton and Remote Contract Type: Permanent Hours: Full time, 40 hours per week, Monday to Friday Salary: £35,000-£40,000 per annum DOE, plus car / car allowance Benefits:33 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme About the Job Youll have an important part to play delivering high quality features and seamless integrations across our enterprise web platforms. Here at Unipart we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
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        FEATURED
        Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
        Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
        more
        Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
        Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
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        Lead PHP Developer

        Rise Technical Recruitment Limited
        Swindon (SN1)
        £55000.00 - £65000.00 per annum + Bonus + Progression
        Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Bonus + Progression + Pension An excellent opportunity awaits a Software Developer with strong PHP experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
        Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Bonus + Progression + Pension An excellent opportunity awaits a Software Developer with strong PHP experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
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        PREMIUM
        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 Customer Delivery Europe is part of the Global Customer Delivery & Care and Europe International Markets organization and plays a critical role ensuring the flawless delivery of Mastercard products and solutions for our customers.
        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 Customer Delivery Europe is part of the Global Customer Delivery & Care and Europe International Markets organization and plays a critical role ensuring the flawless delivery of Mastercard products and solutions for our customers.
        more
        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 Overview We are looking for a software engineer to join an award winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud.
        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 Overview We are looking for a software engineer to join an award winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud.
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        Lead .Net Software Developer

        Hireful
        Milton Keynes, Buckinghamshire, MK9
        £65k - £75k base salary + bonus and great benefits
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more Location: Milton Keynes – Hybrid (2 days a week in office)
        Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer Salary: £65k - £75k base + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more Location: Milton Keynes – Hybrid (2 days a week in office)
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        FEATURED
        We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
        We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
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        We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
        We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
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        Senior Engineer

        Hays
        London
        £80000.0 - £85000.0 per annum + £80,000 - £85,000
        Senior Developer | Global Gaming Company | 4 days in London office * Refactor C# apps into Python for performance * Build real-time data pipelines with Snowplow * Develop API integrations (Appsflyer, Firebase, sGTM) * Design cloud solutions in Azure with alerting and failover * Ensure scalability and reliability across global operations * Python (Flask, FastAPI) * Azure (Event Hub, Functions, Data Factory) * Snowplow Snowbridge * APIs (Appsflyer, Firebase, sGTM) * JavaScript (GTM tags) * Event-driven tools (Kafka, RabbitMQ) * Monitoring (Grafana, Prometheus) If this one sounds like you, please apply! Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk
        Senior Developer | Global Gaming Company | 4 days in London office * Refactor C# apps into Python for performance * Build real-time data pipelines with Snowplow * Develop API integrations (Appsflyer, Firebase, sGTM) * Design cloud solutions in Azure with alerting and failover * Ensure scalability and reliability across global operations * Python (Flask, FastAPI) * Azure (Event Hub, Functions, Data Factory) * Snowplow Snowbridge * APIs (Appsflyer, Firebase, sGTM) * JavaScript (GTM tags) * Event-driven tools (Kafka, RabbitMQ) * Monitoring (Grafana, Prometheus) If this one sounds like you, please apply! Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk
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        Frequently Asked Questions

        How many temporary API jobs are there in Rackend?
        There are 9 temporary API jobs within 20 miles of Rackend available on Jobsite right now.

        Where in Rackend are these temporary jobs?
        You can find temporary jobs in Freshbrook, Longbridge, Adderbury.

        What other similar jobs are there to temporary API jobs in Rackend?
        As well as temporary API jobs in Rackend, you can find temporary IT, Software Development, Management, amongst many others.