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        62 Contract API jobs in London + 20 miles

        Senior Revenue Engineer

        Arrive Ltd
        London
        Competitive
        Weve signed up to an ambitious journey. Join us! As Arrive, we guide customers and communities towards brighter futures and more livable cities, it isnt a challenge just anyone could take on. Luckily, we have something to help us make it happen. Our people and our values. We Arrive Curious, Focused and Together. Just as our entire brand is inspired by the North Star, the shining light leading travelers to their destinations since time began, our values guide us. They help us be at our best. For our customers. For the cities and communities we serve. For ourselves. As a global team, we are transforming urban mobility. Lets grow better, together. The Role - As a Senior Revenue Engineer in our YourParkingSpace business, you'll play a key role in building the infrastructure and systems that power pricing and revenue optimisation across our platform.
        Weve signed up to an ambitious journey. Join us! As Arrive, we guide customers and communities towards brighter futures and more livable cities, it isnt a challenge just anyone could take on. Luckily, we have something to help us make it happen. Our people and our values. We Arrive Curious, Focused and Together. Just as our entire brand is inspired by the North Star, the shining light leading travelers to their destinations since time began, our values guide us. They help us be at our best. For our customers. For the cities and communities we serve. For ourselves. As a global team, we are transforming urban mobility. Lets grow better, together. The Role - As a Senior Revenue Engineer in our YourParkingSpace business, you'll play a key role in building the infrastructure and systems that power pricing and revenue optimisation across our platform.
        more
        Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldnt work together. So we expanded into software and started building integrated, omnichannel solutions to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across it all, weve embedded financial services tools at the point of sale, so merchants can access a business loan and manage their cash flow in one place. Afterpay furthers our goal to provide omnichannel tools that unlock meaningful value and growth, enabling sellers to capture the next generation shopper, increase order sizes, and compete at a larger scale.
        Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldnt work together. So we expanded into software and started building integrated, omnichannel solutions to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across it all, weve embedded financial services tools at the point of sale, so merchants can access a business loan and manage their cash flow in one place. Afterpay furthers our goal to provide omnichannel tools that unlock meaningful value and growth, enabling sellers to capture the next generation shopper, increase order sizes, and compete at a larger scale.
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        Our Purpose - Scheduling isnt simply filling shifts. Its finding the sweet spot that enables businesses to grow and team members to enjoy the perfect work/life balance. At Planday from Xero, we aim to use Agentic AI to build a future where managers seamlessly can free up invaluable time for their business and teams. Were not just building software; were on a mission to make shift work more human, to change work/life balance from a luxury to a reality for all shift workers. Were using advanced technology to help humans reach their full potential. At work and in life. Founded in 2004, Planday is headquartered in Copenhagen, Denmark and helps create perfect schedules for hundreds of thousands of users across the world. Planday was acquired by Xero in 2021. How youll make an impact - The Senior Solution Engineer plays a critical role in Plandays go-to-market organisation, partnering ...
        Our Purpose - Scheduling isnt simply filling shifts. Its finding the sweet spot that enables businesses to grow and team members to enjoy the perfect work/life balance. At Planday from Xero, we aim to use Agentic AI to build a future where managers seamlessly can free up invaluable time for their business and teams. Were not just building software; were on a mission to make shift work more human, to change work/life balance from a luxury to a reality for all shift workers. Were using advanced technology to help humans reach their full potential. At work and in life. Founded in 2004, Planday is headquartered in Copenhagen, Denmark and helps create perfect schedules for hundreds of thousands of users across the world. Planday was acquired by Xero in 2021. How youll make an impact - The Senior Solution Engineer plays a critical role in Plandays go-to-market organisation, partnering ...
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        Description and Requirements CareerArc Code CA-MH #LI-MH1 Hybrid: #LI-Hybrid BMC empowers nearly 80% of the Forbes Global 100 to accelerate business value, faster than humanly possible. Our industry-leading portfolio unlocks human and machine potential to drive business growth, innovation, and sustainable success. BMC does this in a simple and optimized way by connecting people, systems, and data that power the worlds largest organizations so they can seize a competitive advantage. The IZOT product line includes BMCs Intelligent Z Optimization & Transformation products, which help the worlds largest companies to monitor and manage their mainframe systems. The modernization of mainframe is the beating heart of our product line, and we achieve this goal by developing products that improve the developer experience, the mainframe integration, the speed of application ...
        Description and Requirements CareerArc Code CA-MH #LI-MH1 Hybrid: #LI-Hybrid BMC empowers nearly 80% of the Forbes Global 100 to accelerate business value, faster than humanly possible. Our industry-leading portfolio unlocks human and machine potential to drive business growth, innovation, and sustainable success. BMC does this in a simple and optimized way by connecting people, systems, and data that power the worlds largest organizations so they can seize a competitive advantage. The IZOT product line includes BMCs Intelligent Z Optimization & Transformation products, which help the worlds largest companies to monitor and manage their mainframe systems. The modernization of mainframe is the beating heart of our product line, and we achieve this goal by developing products that improve the developer experience, the mainframe integration, the speed of application ...
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        PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human agents. Our customers, which include the worlds leading logos, are expanding how they use our platform, driving automation of critical customer service operations and integrating PolyAI into their daily customer service workflows. Were looking for a talented Engineering Manager to join our Runtime Engineering team. Our Runtime team own the global infrastructure that powers real-time voice interactions. In this role, you will focus on leading and developing a high-performing engineering team while staying close to the technical challenges at the core of our agentic process: streaming audio, transcribing speech, using LLMs and acting on their output, ...
        PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human agents. Our customers, which include the worlds leading logos, are expanding how they use our platform, driving automation of critical customer service operations and integrating PolyAI into their daily customer service workflows. Were looking for a talented Engineering Manager to join our Runtime Engineering team. Our Runtime team own the global infrastructure that powers real-time voice interactions. In this role, you will focus on leading and developing a high-performing engineering team while staying close to the technical challenges at the core of our agentic process: streaming audio, transcribing speech, using LLMs and acting on their output, ...
        more
        Ready to shape the future of digital optimization with a global leader in AI-powered experience solutions? We invite you to join AB Tasty on our mission to help brands sell better by creating positive user experiences across all digital properties! Since our founding in 2009, we've partnered with over 1000 clients, including renowned brands like Kering, McDonalds, Ulta Beauty, LOreal, Disneyland Paris, and LVMH among others. With a presence in 8 countries across 3 continents, our team of 300+ passionate individuals is dedicated to building the internet of the future. At AB Tasty, we're more than just a company we're a community. Joining AB Tasty means becoming part of a diverse, dynamic team that values innovation and growth. Our company culture is at the heart of everything we do. * We bring client satisfaction * We are impactful * We go above and beyond
        Ready to shape the future of digital optimization with a global leader in AI-powered experience solutions? We invite you to join AB Tasty on our mission to help brands sell better by creating positive user experiences across all digital properties! Since our founding in 2009, we've partnered with over 1000 clients, including renowned brands like Kering, McDonalds, Ulta Beauty, LOreal, Disneyland Paris, and LVMH among others. With a presence in 8 countries across 3 continents, our team of 300+ passionate individuals is dedicated to building the internet of the future. At AB Tasty, we're more than just a company we're a community. Joining AB Tasty means becoming part of a diverse, dynamic team that values innovation and growth. Our company culture is at the heart of everything we do. * We bring client satisfaction * We are impactful * We go above and beyond
        more
        We are seeking a senior engineering leader to support the evolution of SAP platforms across HR and Finance, with a focus on the technical architecture, stability and modernisation of the SAP estate. This role will focus on the technical foundations of SAP including platform engineering, integration and system design, working alongside Product teams who own business process design. The role will also contribute to longer term transformation initiatives, including potential migration towards S4. Key Responsibilities * Provide senior technical leadership across SAP platforms supporting HR and Finance domains * Own and guide the technical architecture of the SAP estate, including Basis, ABAP environments and system configuration * Ensure the reliability, performance and scalability of SAP platforms across on premise and cloud hosted environments
        We are seeking a senior engineering leader to support the evolution of SAP platforms across HR and Finance, with a focus on the technical architecture, stability and modernisation of the SAP estate. This role will focus on the technical foundations of SAP including platform engineering, integration and system design, working alongside Product teams who own business process design. The role will also contribute to longer term transformation initiatives, including potential migration towards S4. Key Responsibilities * Provide senior technical leadership across SAP platforms supporting HR and Finance domains * Own and guide the technical architecture of the SAP estate, including Basis, ABAP environments and system configuration * Ensure the reliability, performance and scalability of SAP platforms across on premise and cloud hosted environments
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        Thats why our clients financial institutions from fintechs and crypto platforms, to banks and credit unions use our API to power their banking infrastructure.
        Thats why our clients financial institutions from fintechs and crypto platforms, to banks and credit unions use our API to power their banking infrastructure.
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        68 exact matches jobs are outside your preferred location

        Morson are recruiting for a Spacecraft Operations Engineer to join a leading aerospace and defence programme supporting in-orbit satellite assets. This is an operational, fast-paced and transformation-focused role where you will be responsible for assessing spacecraft operations, improving processes, and supporting mission activities across the full satellite lifecycle. You will work closely with engineering, mission management and operational teams, ensuring spacecraft operations run effectively while identifying and escalating risks that could impact mission delivery. This is a strong opportunity to join a high-profile programme supporting current and future space missions in a critical operational environment. Key Responsibilities - Manage and assess current spacecraft operations, processes and tools
        Morson are recruiting for a Spacecraft Operations Engineer to join a leading aerospace and defence programme supporting in-orbit satellite assets. This is an operational, fast-paced and transformation-focused role where you will be responsible for assessing spacecraft operations, improving processes, and supporting mission activities across the full satellite lifecycle. You will work closely with engineering, mission management and operational teams, ensuring spacecraft operations run effectively while identifying and escalating risks that could impact mission delivery. This is a strong opportunity to join a high-profile programme supporting current and future space missions in a critical operational environment. Key Responsibilities - Manage and assess current spacecraft operations, processes and tools
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        PREMIUM
        Adword - Job title: Simulation Engineer - Location: Winnersh (3 days onsite a week) Duration: 06 months with a possibility of extension - The job role is for an experienced Simulation (LVC) Engineer to join the C4I Battlelab team. The primary focus of the role is to configure and utilize various connected simulation tools to create military-based mission thread scenarios that address customer problem spaces across the Land, Air, and Maritime domains. * Synthetic Environment & Scenario Generation: You will create multi-domain scenarios that support fully virtual and hybrid virtual/live system demonstrations. This includes generating scenarios and synthetic environments to model virtual entities, battlespace environments, network simulations (like Tactical WAN and BLOS), and basic air or ground platform simulations.
        Adword - Job title: Simulation Engineer - Location: Winnersh (3 days onsite a week) Duration: 06 months with a possibility of extension - The job role is for an experienced Simulation (LVC) Engineer to join the C4I Battlelab team. The primary focus of the role is to configure and utilize various connected simulation tools to create military-based mission thread scenarios that address customer problem spaces across the Land, Air, and Maritime domains. * Synthetic Environment & Scenario Generation: You will create multi-domain scenarios that support fully virtual and hybrid virtual/live system demonstrations. This includes generating scenarios and synthetic environments to model virtual entities, battlespace environments, network simulations (like Tactical WAN and BLOS), and basic air or ground platform simulations.
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        FEATURED
        We are seeking an experienced and motivated Cyber Platforms Engineer to join our Group Technology team in Milton Keynes. In this role, you will be responsible for the design, implementation and ongoing management of the Groups data governance, information protection and compliance capabilities. Operating at the intersection of data, security and compliance, the role ensures that organisational data is discoverable, appropriately classified, protected, and used in line with regulatory and business requirements across Microsoft 365, Azure and wider data platforms. Data Governance & Management * Design and manage Microsoft Purview Data Map, Data Catalogue, and governance frameworks * Register, classify, and scan data sources across cloud, SaaS, and on-premises environments * Maintain accurate metadata, taxonomy, and business glossary
        We are seeking an experienced and motivated Cyber Platforms Engineer to join our Group Technology team in Milton Keynes. In this role, you will be responsible for the design, implementation and ongoing management of the Groups data governance, information protection and compliance capabilities. Operating at the intersection of data, security and compliance, the role ensures that organisational data is discoverable, appropriately classified, protected, and used in line with regulatory and business requirements across Microsoft 365, Azure and wider data platforms. Data Governance & Management * Design and manage Microsoft Purview Data Map, Data Catalogue, and governance frameworks * Register, classify, and scan data sources across cloud, SaaS, and on-premises environments * Maintain accurate metadata, taxonomy, and business glossary
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        Summary - Posted: 30 Sept 2025 - Role Number:200622957-1251Do you have an uncommon desire to seek out and solve exceedingly difficult challenges rather than the easy ones? Do you believe that truly valuable, and meaningful accomplishments are the result of pushing the limits of perseverance? Do you believe that a world-class team with relentless drive can surpass even their own high expectations? We do! But we also realize this job isnt for everyone. What we do is not easy but you do not take the easy path. We are seeking a highly motivated, innovative, and confident individuals to join the GPU Performance Modeling Team; we are a group that is driving advanced exploration for next generation GPU architectures and micro-architectures. In this highly visible role, you will be at the center of a chip design effort working with all disciplines, with a critical impact on getting high ...
        Summary - Posted: 30 Sept 2025 - Role Number:200622957-1251Do you have an uncommon desire to seek out and solve exceedingly difficult challenges rather than the easy ones? Do you believe that truly valuable, and meaningful accomplishments are the result of pushing the limits of perseverance? Do you believe that a world-class team with relentless drive can surpass even their own high expectations? We do! But we also realize this job isnt for everyone. What we do is not easy but you do not take the easy path. We are seeking a highly motivated, innovative, and confident individuals to join the GPU Performance Modeling Team; we are a group that is driving advanced exploration for next generation GPU architectures and micro-architectures. In this highly visible role, you will be at the center of a chip design effort working with all disciplines, with a critical impact on getting high ...
        more
        You will define and lead the technical strategy for a private cloud platform based on OpenStack, delivering scalable and reliable infrastructure services for engineering teams. The platform underpins large-scale engineering workloads and is central to the organisations infrastructure strategy. The platform is to be built using modern platform engineering principles, with strong emphasis on automation, APIs, and developer experience. You will operate across teams and functions to drive architectural direction and platform evolution - the remit of the team is to develop the capabilities of the platform as an active participant within the OpenStack community rather than simply consuming and running upstream projects. * Define and design the long-term architecture and strategy for multi-tenant Private Cloud.
        You will define and lead the technical strategy for a private cloud platform based on OpenStack, delivering scalable and reliable infrastructure services for engineering teams. The platform underpins large-scale engineering workloads and is central to the organisations infrastructure strategy. The platform is to be built using modern platform engineering principles, with strong emphasis on automation, APIs, and developer experience. You will operate across teams and functions to drive architectural direction and platform evolution - the remit of the team is to develop the capabilities of the platform as an active participant within the OpenStack community rather than simply consuming and running upstream projects. * Define and design the long-term architecture and strategy for multi-tenant Private Cloud.
        more
        Are you passionate about graphics, computers, and solving problems around computers trying to do graphics? Do you look at designs thinking 'What happens if I do ...?'. Does creatively breaking modern GPUs in as many ways as possibly sound like fun? Look no further! The GPU teamin Arm has the mission to be at the forefront of advanced multimedia IP products. As team member, your role will have a meaningful impact in verifying next-generation graphics processors. If you have a high level of technical proficiency and an ability to pick up and apply new concepts and skills quickly, we want to hear from you. You will work within a team of engineers with a diverse set of skills from both hardware and software backgrounds. The team is exposed to a wide range of tools, languages & methodologies as part of their work.
        Are you passionate about graphics, computers, and solving problems around computers trying to do graphics? Do you look at designs thinking 'What happens if I do ...?'. Does creatively breaking modern GPUs in as many ways as possibly sound like fun? Look no further! The GPU teamin Arm has the mission to be at the forefront of advanced multimedia IP products. As team member, your role will have a meaningful impact in verifying next-generation graphics processors. If you have a high level of technical proficiency and an ability to pick up and apply new concepts and skills quickly, we want to hear from you. You will work within a team of engineers with a diverse set of skills from both hardware and software backgrounds. The team is exposed to a wide range of tools, languages & methodologies as part of their work.
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        Overview - The Central Technology Team within Arm develops key technologies which will form the foundation of future products. You will join a multinational, dynamic, collaborative and highly motivated Graphics team in Central Technology to help craft the direction of our world leading Mali Graphics products. The Mali Graphics Processor is the #1 shipping GPU. You will need to have architecture and software development skills, in addition to being able to think creatively. In this role you can expect to be a technical lead where your ideas will make a difference and enable you to make your mark delivering industry leading GPU IP. Your job responsibilities will be diverse and may include architecture, technology research, hands-on prototyping and experimental investigations, participating in key industry consortium's, engaging with product groups, working closely together ...
        Overview - The Central Technology Team within Arm develops key technologies which will form the foundation of future products. You will join a multinational, dynamic, collaborative and highly motivated Graphics team in Central Technology to help craft the direction of our world leading Mali Graphics products. The Mali Graphics Processor is the #1 shipping GPU. You will need to have architecture and software development skills, in addition to being able to think creatively. In this role you can expect to be a technical lead where your ideas will make a difference and enable you to make your mark delivering industry leading GPU IP. Your job responsibilities will be diverse and may include architecture, technology research, hands-on prototyping and experimental investigations, participating in key industry consortium's, engaging with product groups, working closely together ...
        more
        We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
        We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
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        Test Engineer

        Stealth IT Consulting Limited
        UK
        £458 per day inside IR35
        Lead the design and evolution of automated test frameworks (UI, API, or service-level), aligned to the teams technology stack. o Open-source JS based libraries or frameworks for API testing, or Postman. Postman and Newman Cli for API testing
        Lead the design and evolution of automated test frameworks (UI, API, or service-level), aligned to the teams technology stack. o Open-source JS based libraries or frameworks for API testing, or Postman. Postman and Newman Cli for API testing
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        FEATURED

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        What is the average salary for API in London?

        Average salary per year
        £72,499

        The average salary for a API in London is £72,499. API in London salaries range from £62,499 to £87,499.

        Frequently Asked Questions

        How many contract API jobs are there in London?
        There are 62 contract API jobs within 20 miles of London available on JustEngineers right now.

        Where in London are these contract jobs?
        You can find contract jobs in City of London, Central London, North London.

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