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8 Permanent API jobs in Wallingford + 20 miles
183 exact matches jobs are outside your preferred location
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
at Ebury - London - Ebury is a global fintech firm dedicated to empowering businesses to expand internationally through tailored and forward-thinking financial solutions. Since our founding in 2009, we've grown to a diverse team of over 1,700 professionals across 40+ offices and 29+ markets worldwide. Joining Ebury means becoming part of a collaborative and innovative environment where your contributions are valued. You'll play a key role in shaping the future of cross-border finance, while advancing your own career in a dynamic, high-growth industry. Senior Fullstack Engineer - London Office - Hybrid: 4 days in the office, 1 day working from home - We are seeking a senior full-stack engineer to play a crucial part in our newly formed and rapidly expanding Growth team. In this role, you will be using the latest technology, including AI, to build products and tools tha
at Ebury - London - Ebury is a global fintech firm dedicated to empowering businesses to expand internationally through tailored and forward-thinking financial solutions. Since our founding in 2009, we've grown to a diverse team of over 1,700 professionals across 40+ offices and 29+ markets worldwide. Joining Ebury means becoming part of a collaborative and innovative environment where your contributions are valued. You'll play a key role in shaping the future of cross-border finance, while advancing your own career in a dynamic, high-growth industry. Senior Fullstack Engineer - London Office - Hybrid: 4 days in the office, 1 day working from home - We are seeking a senior full-stack engineer to play a crucial part in our newly formed and rapidly expanding Growth team. In this role, you will be using the latest technology, including AI, to build products and tools tha
About the Opportunity - Join Contentfuls AI Platform team as a Senior Engineering Manager - AI Platform (f/m/d) and play a pivotal role in shaping the next generation of AI-powered, developer-friendly platform capabilities. Our AI Platform teams are building the trusted foundation that enables Contentful and our customers to confidently deliver AI-enabled experiences. * Empowering customers and internal teams to build accurate, trustworthy, and governed agentic solutions that are easy and intuitive to adopt. * Providing enterprise-ready access to LLMs that enables product teams across Contentful to deliver secure, scalable, and reliable AI-powered features. This is an excellent opportunity for a technical manager who thrives at the intersection of product development, platform engineering, and cross-functional collaboration.
About the Opportunity - Join Contentfuls AI Platform team as a Senior Engineering Manager - AI Platform (f/m/d) and play a pivotal role in shaping the next generation of AI-powered, developer-friendly platform capabilities. Our AI Platform teams are building the trusted foundation that enables Contentful and our customers to confidently deliver AI-enabled experiences. * Empowering customers and internal teams to build accurate, trustworthy, and governed agentic solutions that are easy and intuitive to adopt. * Providing enterprise-ready access to LLMs that enables product teams across Contentful to deliver secure, scalable, and reliable AI-powered features. This is an excellent opportunity for a technical manager who thrives at the intersection of product development, platform engineering, and cross-functional collaboration.
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
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Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
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Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
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Design, build and maintain data-intensive web applications and API-driven systems
Design, build and maintain data-intensive web applications and API-driven systems
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Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
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Code quality and API-First principles are at the heart of all our development. * Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * An interest in setting strategy and direction, backed by real-work experience, ideally in an API-First setting. * Experience designing, building, and deploying scalable micro-services using API-First principles using at least one of REST/gRPC. * Strong understanding of RESTful API design principles and best practices. * Experience with API authentication and authorization mechanisms (e.g., OAuth, JWT). * Experience with API gateway technologies (e.g., Apigee, Kong) is beneficial.
Code quality and API-First principles are at the heart of all our development. * Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * An interest in setting strategy and direction, backed by real-work experience, ideally in an API-First setting. * Experience designing, building, and deploying scalable micro-services using API-First principles using at least one of REST/gRPC. * Strong understanding of RESTful API design principles and best practices. * Experience with API authentication and authorization mechanisms (e.g., OAuth, JWT). * Experience with API gateway technologies (e.g., Apigee, Kong) is beneficial.
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Performing automation and API testing when required. * API automation testing using JavaScript * Experience in API and integration testing
Performing automation and API testing when required. * API automation testing using JavaScript * Experience in API and integration testing
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Automated end-to-end and API testing tools and techniques
Automated end-to-end and API testing tools and techniques
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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Expertise in Salesforce deployment strategies, including change sets, Salesforce DX, and metadata API. * Experience in Salesforce API integration (REST, SOAP, Platform Events).
Expertise in Salesforce deployment strategies, including change sets, Salesforce DX, and metadata API. * Experience in Salesforce API integration (REST, SOAP, Platform Events).
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AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
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We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
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API Development and Management: Develop, deploy, and maintain custom APIs (REST, SOAP) to facilitate seamless data exchange and action execution between Agentforce and other systems. * 5+ years of hands-on experience in a technical integration role, such as an Integration Developer or API Specialist. * Expertise in API design and development (REST, SOAP, webhooks).
API Development and Management: Develop, deploy, and maintain custom APIs (REST, SOAP) to facilitate seamless data exchange and action execution between Agentforce and other systems. * 5+ years of hands-on experience in a technical integration role, such as an Integration Developer or API Specialist. * Expertise in API design and development (REST, SOAP, webhooks).
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Influence API and BFF design to optimise clientserver contracts and reduce complexity at the edges.
Influence API and BFF design to optimise clientserver contracts and reduce complexity at the edges.
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Good understanding of API/SQL/databases
Good understanding of API/SQL/databases
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Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
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Use Your Power for Purpose - The vision for Pfizers Digital function is a more integrated and coordinated healthcare model that improves patient outcomes, fuels tomorrows breakthrough therapies, and brings medicines to patients faster.? Within Pfizer Digital, the Customer & Commercial Creation Center (C4) group builds solutions for external customers throughout the product lifecycle?. We support stakeholders to engage external ?customers through digital solutions, whether that is patients, HCPs, payors, pharmacists, or clinical sites. The Customer & Commercial Creation Center (C4) are thought partners and technical solution providers to commercial arms of the business (e.g., Pfizers ?sales force or marketers), working at the intersection of technology and healthcare. We are an enterprise facing team that drives to provide the best DevSecOps, security, standards, and q
Use Your Power for Purpose - The vision for Pfizers Digital function is a more integrated and coordinated healthcare model that improves patient outcomes, fuels tomorrows breakthrough therapies, and brings medicines to patients faster.? Within Pfizer Digital, the Customer & Commercial Creation Center (C4) group builds solutions for external customers throughout the product lifecycle?. We support stakeholders to engage external ?customers through digital solutions, whether that is patients, HCPs, payors, pharmacists, or clinical sites. The Customer & Commercial Creation Center (C4) are thought partners and technical solution providers to commercial arms of the business (e.g., Pfizers ?sales force or marketers), working at the intersection of technology and healthcare. We are an enterprise facing team that drives to provide the best DevSecOps, security, standards, and q
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Join us at Entrust - At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us - Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. Senior MLOps Engineer - About the position - Were looking for an experienced MLOps Engineer to build and operate the platform and tooling that powers our identity-verification products. Youll join a team supporting Applied Scientists and Machine Learning Engineers across count
Join us at Entrust - At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us - Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. Senior MLOps Engineer - About the position - Were looking for an experienced MLOps Engineer to build and operate the platform and tooling that powers our identity-verification products. Youll join a team supporting Applied Scientists and Machine Learning Engineers across count
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HPC Global Remote Service Engineer – Complex HPC Upgrades
HPC Global Remote Service Engineer – Complex HPC Upgrades
Hewlett Packard Enterprise
South East
Competitive
Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in todays complex world. Our culture thrives on finding new and better ways to accelerate whats next. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you. Open up opportunities with HPE. The Hewlett Packard Enterprise (HPE) HPC Business Unit has an exciting opportunity for an experienced engineer dedicated to managing and executing complex High-Performance Computing (HPC) upg
Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in todays complex world. Our culture thrives on finding new and better ways to accelerate whats next. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you. Open up opportunities with HPE. The Hewlett Packard Enterprise (HPE) HPC Business Unit has an exciting opportunity for an experienced engineer dedicated to managing and executing complex High-Performance Computing (HPC) upg
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