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10 Permanent API jobs in Wallingford + 20 miles
210 exact matches jobs are outside your preferred location
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
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As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
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Experience in the complete API and/or software development life cycle - integration and API solutions based on the MuleSoft Anypoint Platform, including
Experience in the complete API and/or software development life cycle - integration and API solutions based on the MuleSoft Anypoint Platform, including
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
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Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
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Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
.Net Full Stack Engineer - Consultant/Senior Consultant - Digital Excellence
.Net Full Stack Engineer - Consultant/Senior Consultant - Digital Excellence
Capgemini Invent
London
Competitive
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
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Oversee API and UI automation using tools like ReadyAPI, SpecFlow, and TestComplete. * Expertise with ReadAPI, SpecFlow, and TestComplete for API automation.
Oversee API and UI automation using tools like ReadyAPI, SpecFlow, and TestComplete. * Expertise with ReadAPI, SpecFlow, and TestComplete for API automation.
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Currently, our micro-services communicate via REST API calls, fostering seamless integration between different services.
Currently, our micro-services communicate via REST API calls, fostering seamless integration between different services.
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Design, build, and operate Python/FastAPI-based API services deployed on AWS ECS * Own API design, performance optimization, security, and observability * APIs: REST API design, performance optimization, security, observability
Design, build, and operate Python/FastAPI-based API services deployed on AWS ECS * Own API design, performance optimization, security, and observability * APIs: REST API design, performance optimization, security, observability
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Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
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[Nice to have] Experience in FinTech, Payments, or API-first companies
[Nice to have] Experience in FinTech, Payments, or API-first companies
You can translate rulebooks or API specs into requirements
You can translate rulebooks or API specs into requirements
Perform hands-on implementation with the ServiceNow platform, leveraging all ServiceNow technologies and capabilities: Workflow Studio/ Flow Designer, JavaScript, REST/SOAP API integrations (incl. MID Servers), Single Sign-On and more
Perform hands-on implementation with the ServiceNow platform, leveraging all ServiceNow technologies and capabilities: Workflow Studio/ Flow Designer, JavaScript, REST/SOAP API integrations (incl. MID Servers), Single Sign-On and more
Design and implement complex data flows, API integrations, and background processing systems that handle high-volume operations reliably while maintaining system performance and data integrity * RESTful API design and implementation
Design and implement complex data flows, API integrations, and background processing systems that handle high-volume operations reliably while maintaining system performance and data integrity * RESTful API design and implementation
Architecture and security-by-design, translating business needs into scalable, API-first solutions, applying OWASP principles, OAuth2/OIDC, and secure coding practices.
Architecture and security-by-design, translating business needs into scalable, API-first solutions, applying OWASP principles, OAuth2/OIDC, and secure coding practices.
Were a specialist financial technology company transforming B2B credit (website) * Were backed by top European and American VCs including Dawn Capital, Octopus Ventures, Talis and Expa * Founded in 2020, we are licensed and operating across the UK, Europe, US and Canada with offices in London, New York and Dallas * Since our commercial launch in March 2022, we are already serving some of the worlds largest companies, providing them with superior credit protection and innovative risk management technology - Were looking for a Full Stack / Back End Engineer whos excited to build reliable systems and experiment with new technologies. Youll help design, build, and maintain the APIs and services behind our platform, working across the stack from infrastructure to UI. Youll be closely involved in technical decisions, architecture, and best practices, while contributing dire
Were a specialist financial technology company transforming B2B credit (website) * Were backed by top European and American VCs including Dawn Capital, Octopus Ventures, Talis and Expa * Founded in 2020, we are licensed and operating across the UK, Europe, US and Canada with offices in London, New York and Dallas * Since our commercial launch in March 2022, we are already serving some of the worlds largest companies, providing them with superior credit protection and innovative risk management technology - Were looking for a Full Stack / Back End Engineer whos excited to build reliable systems and experiment with new technologies. Youll help design, build, and maintain the APIs and services behind our platform, working across the stack from infrastructure to UI. Youll be closely involved in technical decisions, architecture, and best practices, while contributing dire
Curve is a next-gen insights, analytics and technology consultancy that leverages digital consumer data and advanced technology to help businesses unlock consumer opportunities. Digital consumer data is powerful; its big, its real, and its always updating. We use a combination of in-house technology and bespoke solutions, powered by AI, to transform data from sources such as Social, Reviews, Search, and broader marketing and sales data. These reveal fresh insights for our clients; helping them to build better products and brands, to deliver effective marketing to consumers. 1. Natural Language Processing, GPT & other LLMs - 2. Marketing Data Science & Personalisation - 3. Data Engineering & Data Architecture - 4. As a start-up, we can move faster than most companies and do things differently. We have experienced rapid growth so far and were looking for a Senior Data E
Curve is a next-gen insights, analytics and technology consultancy that leverages digital consumer data and advanced technology to help businesses unlock consumer opportunities. Digital consumer data is powerful; its big, its real, and its always updating. We use a combination of in-house technology and bespoke solutions, powered by AI, to transform data from sources such as Social, Reviews, Search, and broader marketing and sales data. These reveal fresh insights for our clients; helping them to build better products and brands, to deliver effective marketing to consumers. 1. Natural Language Processing, GPT & other LLMs - 2. Marketing Data Science & Personalisation - 3. Data Engineering & Data Architecture - 4. As a start-up, we can move faster than most companies and do things differently. We have experienced rapid growth so far and were looking for a Senior Data E
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This remote role is open only to applicants living, with right to remain and work, in the United Kingdom, Netherlands or Germany. Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. This role will require you to work in a small but dynamic team tasked with working on our technology platform (RaceControl) that powers the way we handle online multiplayer racing on our games and simulations. Weve been creating a new way to interact with online racing to ensure multiplayer racing is delivered in a fun and engaging way.
This remote role is open only to applicants living, with right to remain and work, in the United Kingdom, Netherlands or Germany. Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. This role will require you to work in a small but dynamic team tasked with working on our technology platform (RaceControl) that powers the way we handle online multiplayer racing on our games and simulations. Weve been creating a new way to interact with online racing to ensure multiplayer racing is delivered in a fun and engaging way.
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Description - This is an exciting opportunity for a service delivery engineer (SDE) to play a key role in operating our innovative managed services. Working across our managed detection and response (MDR) and extended detection and response (XDR) offerings, the individual will be responsible for supporting customers throughout their time with Solis, from their initial technical onboarding to regular health checks and maintenance to ensure the service runs smoothly and effectively. This is a customer-facing role requiring strong verbal and written communication skills. Foundational technical knowledge is also key to ensure our tools are deployed and configured correctly. The candidate will also support the ongoing improvement of service delivery processes. Key Responsibilities - Onboarding and Maintenance
Description - This is an exciting opportunity for a service delivery engineer (SDE) to play a key role in operating our innovative managed services. Working across our managed detection and response (MDR) and extended detection and response (XDR) offerings, the individual will be responsible for supporting customers throughout their time with Solis, from their initial technical onboarding to regular health checks and maintenance to ensure the service runs smoothly and effectively. This is a customer-facing role requiring strong verbal and written communication skills. Foundational technical knowledge is also key to ensure our tools are deployed and configured correctly. The candidate will also support the ongoing improvement of service delivery processes. Key Responsibilities - Onboarding and Maintenance
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Details - Hybrid - Gibraltar, London, Malta - Full Time Permanent - CAM0389 - About Us - At FDJ UNITED, we don't just follow the game, we reinvent it. FDJ UNITED is one of Europe's leading betting and gaming operators, with a vast portfolio of iconic brands and a reputation for technological excellence. With more than 5,000 employees and a presence in around fifteen regulated markets, the Group offers a diversified, responsible range of games, both under exclusive rights and open to competition. We set new standards, proving that entertainment and safety can go hand in hand. Here, you'll work alongside a team of passionate individuals dedicated to delivering the best and safest entertaining experiences for our customers every day. We're looking for bold people who are eager to succeed and ready to level-up the game.
Details - Hybrid - Gibraltar, London, Malta - Full Time Permanent - CAM0389 - About Us - At FDJ UNITED, we don't just follow the game, we reinvent it. FDJ UNITED is one of Europe's leading betting and gaming operators, with a vast portfolio of iconic brands and a reputation for technological excellence. With more than 5,000 employees and a presence in around fifteen regulated markets, the Group offers a diversified, responsible range of games, both under exclusive rights and open to competition. We set new standards, proving that entertainment and safety can go hand in hand. Here, you'll work alongside a team of passionate individuals dedicated to delivering the best and safest entertaining experiences for our customers every day. We're looking for bold people who are eager to succeed and ready to level-up the game.
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The Firm - XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those forecasts to trade on exchanges and alternative trading venues, and to offer differentiated liquidity directly to clients worldwide. The firm trades over $250bn a day across 35 countries and has over 250 employees based in London, Singapore, New York, Paris, Bristol, Mumbai, Yerevan and Kajaani. We leverage the talent of the people who work here, modern computational techniques and state-of-the-art research infrastructure to analyse large data sets across markets quickly and efficiently, to maximize the effectiveness of our proprietary trading algorithms. We are actively seeking new methods and ideas.
The Firm - XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those forecasts to trade on exchanges and alternative trading venues, and to offer differentiated liquidity directly to clients worldwide. The firm trades over $250bn a day across 35 countries and has over 250 employees based in London, Singapore, New York, Paris, Bristol, Mumbai, Yerevan and Kajaani. We leverage the talent of the people who work here, modern computational techniques and state-of-the-art research infrastructure to analyse large data sets across markets quickly and efficiently, to maximize the effectiveness of our proprietary trading algorithms. We are actively seeking new methods and ideas.
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Who we are Nothing exists to make tech feel exciting again. Were building a different kind of company, one that puts design, emotion, and human creativity at the heart of everything we do. From the way our products look to how they sound, feel, and function, we care about the details that make technology not just useful, but inspiring. This is a place for the curious. The creators. The ones who ask why not and mean it. If you're drawn to bold ideas, fast moves, and work that actually makes you feel something, youll fit right in. We're not here to follow the rules. We're here to make better ones. About Nothing Founded in London in 2020, Nothing is a design-led tech company building an alternative to the industry giants. Our products from award-winning smartphones to expressive audio and wearables blend iconic design with intuitive engineering to put people and creativi
Who we are Nothing exists to make tech feel exciting again. Were building a different kind of company, one that puts design, emotion, and human creativity at the heart of everything we do. From the way our products look to how they sound, feel, and function, we care about the details that make technology not just useful, but inspiring. This is a place for the curious. The creators. The ones who ask why not and mean it. If you're drawn to bold ideas, fast moves, and work that actually makes you feel something, youll fit right in. We're not here to follow the rules. We're here to make better ones. About Nothing Founded in London in 2020, Nothing is a design-led tech company building an alternative to the industry giants. Our products from award-winning smartphones to expressive audio and wearables blend iconic design with intuitive engineering to put people and creativi
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Please note visa sponsorship is not available for this position. DriveScore is on a mission to make car insurance fairer, smarter, and more user-friendly and were looking for a talented Android Engineer to help us get there. Were a fast-growing scale-up within the ClearScore Group, using telematics and data analytics to reward good driving with better insurance deals. Backed by ClearScores 25M users and resources, we combine the energy of a startup with the stability and reach of a major tech company. This role is ideal for an Android engineer whos shipped commercial apps and is ready to take ownership of product features within a collaborative, cross-functional squad. * Build and maintain features in the DriveScore app, using Jetpack Compose, Kotlin, and Kotlin Multiplatform * Collaborate closely with product, design, and other engineers to deliver high-quality exper
Please note visa sponsorship is not available for this position. DriveScore is on a mission to make car insurance fairer, smarter, and more user-friendly and were looking for a talented Android Engineer to help us get there. Were a fast-growing scale-up within the ClearScore Group, using telematics and data analytics to reward good driving with better insurance deals. Backed by ClearScores 25M users and resources, we combine the energy of a startup with the stability and reach of a major tech company. This role is ideal for an Android engineer whos shipped commercial apps and is ready to take ownership of product features within a collaborative, cross-functional squad. * Build and maintain features in the DriveScore app, using Jetpack Compose, Kotlin, and Kotlin Multiplatform * Collaborate closely with product, design, and other engineers to deliver high-quality exper
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London: £60,620 - £67,565 (pro-rata for part-time hours) This vacancy is being offered on the Government Digital and Data Framework and can include an allowance of up to £10,000 depending on skills, qualifications, and experience. Further details on the framework can be found on Software developer - Government Digital and Data Profession Capability Framework A Civil Service Pension with an employer contribution of 28.97% GBP Job grade Grade 7 Contract type Permanent Business area DESNZ - Integrated Corporate Services - Digital Type of role Digital Working pattern Flexible working, Full-time, Job share, Part-time Number of jobs available 1 Contents * Location * About the job * Benefits * Things you need to know * Apply and further information - Location Birmingham, Cardiff, Darlington, Edinburgh, London, Salford About the job Job summary
London: £60,620 - £67,565 (pro-rata for part-time hours) This vacancy is being offered on the Government Digital and Data Framework and can include an allowance of up to £10,000 depending on skills, qualifications, and experience. Further details on the framework can be found on Software developer - Government Digital and Data Profession Capability Framework A Civil Service Pension with an employer contribution of 28.97% GBP Job grade Grade 7 Contract type Permanent Business area DESNZ - Integrated Corporate Services - Digital Type of role Digital Working pattern Flexible working, Full-time, Job share, Part-time Number of jobs available 1 Contents * Location * About the job * Benefits * Things you need to know * Apply and further information - Location Birmingham, Cardiff, Darlington, Edinburgh, London, Salford About the job Job summary