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39 Temporary API jobs in South East + 20 miles
Job title: Rust Engineer - Platform - About Keyrock - Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts to keep the crew tight. We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks as well as digital asset management.
Job title: Rust Engineer - Platform - About Keyrock - Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts to keep the crew tight. We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks as well as digital asset management.
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information.
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information.
Date: 17 Mar 2026 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a global payments platform powering the experience economy, with a strong focus on the iGaming, video gaming, e-commerce, retail, travel and hospitality sectors. With 30 years of expertise in payment technology, Paysafe helps businesses and consumers lift every experience through seamless, secure payment solutions, including card payments, digital wallets such as Skrill, eCash solutions like PaysafeCard, and a suite of local payment methods. With approximately 2,900 employees across 12 countries and annualized transactional volume of $167 billion in 2025, Paysafe connects people and businesses worldwide through innovative digital payment experiences. Further information is available at . It starts here. Have a global impact on the world of payments.
Date: 17 Mar 2026 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a global payments platform powering the experience economy, with a strong focus on the iGaming, video gaming, e-commerce, retail, travel and hospitality sectors. With 30 years of expertise in payment technology, Paysafe helps businesses and consumers lift every experience through seamless, secure payment solutions, including card payments, digital wallets such as Skrill, eCash solutions like PaysafeCard, and a suite of local payment methods. With approximately 2,900 employees across 12 countries and annualized transactional volume of $167 billion in 2025, Paysafe connects people and businesses worldwide through innovative digital payment experiences. Further information is available at . It starts here. Have a global impact on the world of payments.
We are looking for a rare hybrid talent someone who can hack together end-to-end prototypes at speed while also standing confidently in front of a customer's executive team. This role sits at the intersection of engineering, product, and business development . You will be one of the first technical faces customers meet, building semi-deployable prototypes, testing product-market fit in the wild, and representing us in high-stakes conversations with senior stakeholders. If you're an entrepreneurial engineer who thrives in ambiguity, loves building quickly, and wants to see the immediate impact of your work with customers, this role is for you. * Rapidly design, build, and deliver end-to-end prototypes, demos, and proofs-of-concept that help prospects and partners experience the art of the possible.
We are looking for a rare hybrid talent someone who can hack together end-to-end prototypes at speed while also standing confidently in front of a customer's executive team. This role sits at the intersection of engineering, product, and business development . You will be one of the first technical faces customers meet, building semi-deployable prototypes, testing product-market fit in the wild, and representing us in high-stakes conversations with senior stakeholders. If you're an entrepreneurial engineer who thrives in ambiguity, loves building quickly, and wants to see the immediate impact of your work with customers, this role is for you. * Rapidly design, build, and deliver end-to-end prototypes, demos, and proofs-of-concept that help prospects and partners experience the art of the possible.
Staines - Full time - 2026-03-13 - Posted Today - R1215795 - Identity and Access Management Lead Engineer - Competitive Salary + Benefits - Location: London / Staines / Salford Quays / Flexible - Permanent - Fulltime - We make health happen - At Bupa, we're here to help people live longer, healthier, happier lives. With no shareholders, we reinvest our profits into improving the health of our customers and the quality of the services we provide. As our IAM Lead Engineer, you will play a vital role in strengthening our security posture by leading the design, development and operation of identity and access management technologies across Bupa Global, India and UK (BGIUK). Key Responsibilities * Lead the design, configuration, integration and support of Identity Governance & Administration (IGA), Privileged Access Management (PAM) and Electronic Identity Management (EIM) tools.
Staines - Full time - 2026-03-13 - Posted Today - R1215795 - Identity and Access Management Lead Engineer - Competitive Salary + Benefits - Location: London / Staines / Salford Quays / Flexible - Permanent - Fulltime - We make health happen - At Bupa, we're here to help people live longer, healthier, happier lives. With no shareholders, we reinvest our profits into improving the health of our customers and the quality of the services we provide. As our IAM Lead Engineer, you will play a vital role in strengthening our security posture by leading the design, development and operation of identity and access management technologies across Bupa Global, India and UK (BGIUK). Key Responsibilities * Lead the design, configuration, integration and support of Identity Governance & Administration (IGA), Privileged Access Management (PAM) and Electronic Identity Management (EIM) tools.
About Us - Moneybox is growing rapidly. We have more users, more accounts, more money invested, more features, more code, more data, and more team members than ever before. We are looking for an Engineering Lead to help us handle this growth without compromising on our service or product quality. This role is part of the backend engineering leadership team. We are looking for an experienced hands-on engineer who has contributed to and managed the delivery of complex software across multiple teams. Our Tech Stack - o - Backend: C# / .NET Core / .NET Framework (being phased out) o Patterns REST APIs, Hangfire, MediatR, Entity Framework, Mass Transit, xUnit - o Azure App Services, Functions, Service Bus, Event Hub, CosmosDB, SQL Server, Data Factory - o Tooling GitHub, Azure DevOps, Terraform, Datadog, Rollbar - What You'll Do
About Us - Moneybox is growing rapidly. We have more users, more accounts, more money invested, more features, more code, more data, and more team members than ever before. We are looking for an Engineering Lead to help us handle this growth without compromising on our service or product quality. This role is part of the backend engineering leadership team. We are looking for an experienced hands-on engineer who has contributed to and managed the delivery of complex software across multiple teams. Our Tech Stack - o - Backend: C# / .NET Core / .NET Framework (being phased out) o Patterns REST APIs, Hangfire, MediatR, Entity Framework, Mass Transit, xUnit - o Azure App Services, Functions, Service Bus, Event Hub, CosmosDB, SQL Server, Data Factory - o Tooling GitHub, Azure DevOps, Terraform, Datadog, Rollbar - What You'll Do
About Staffbase - We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform . Our industry-leading and award-winning agentic AI communications channels - intranet, employee app and email solutions - create engaging experiences that connect and empower employees. Headquartered in Chemnitz, Germany and New York City, with offices in Berlin, London, Sydney, Tokyo, Prague, and MinneapolisSt. Paul, our diverse team of 750+ employees supports 2,000+ customersreaching over 16.4 million employeesin transforming their employee experience. We are proud to be a Unicorn companyprivately valued at over $1 billiondemonstrating strong growth, innovation, and lasting impact in our industry. Together, we're shaping the future of workplace communication.
About Staffbase - We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform . Our industry-leading and award-winning agentic AI communications channels - intranet, employee app and email solutions - create engaging experiences that connect and empower employees. Headquartered in Chemnitz, Germany and New York City, with offices in Berlin, London, Sydney, Tokyo, Prague, and MinneapolisSt. Paul, our diverse team of 750+ employees supports 2,000+ customersreaching over 16.4 million employeesin transforming their employee experience. We are proud to be a Unicorn companyprivately valued at over $1 billiondemonstrating strong growth, innovation, and lasting impact in our industry. Together, we're shaping the future of workplace communication.
Who we are - Samsara (NYSE: IOT) is the pioneer of the Connected Operations Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations. At Samsara, we are helping improve the safety, efficiency and sustainability of the physical operations that power our global economy. Representing more than 40% of global GDP, these industries are the infrastructure of our planet, including agriculture, construction, field services, transportation, and manufacturing and we are excited to help digitally transform their operations at scale. Working at Samsara means you'll help define the future of physical operations and be on a team that's shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver ...
Who we are - Samsara (NYSE: IOT) is the pioneer of the Connected Operations Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations. At Samsara, we are helping improve the safety, efficiency and sustainability of the physical operations that power our global economy. Representing more than 40% of global GDP, these industries are the infrastructure of our planet, including agriculture, construction, field services, transportation, and manufacturing and we are excited to help digitally transform their operations at scale. Working at Samsara means you'll help define the future of physical operations and be on a team that's shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver ...
As the Senior Director of Platform Engineering, you will oversee everything from providing rock-solid infrastructure to shared services, and from building a great internal developer experience through to setting the standards around our API and quality programs.
As the Senior Director of Platform Engineering, you will oversee everything from providing rock-solid infrastructure to shared services, and from building a great internal developer experience through to setting the standards around our API and quality programs.
Experience with (or similar) our server-side tech stack: Typescript, DynamoDB, AWS Lambda, API Gateway, and Serverless Framework.
Experience with (or similar) our server-side tech stack: Typescript, DynamoDB, AWS Lambda, API Gateway, and Serverless Framework.
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? As the Investment API category leader in Europe, we are continuing our path of growth and expansion - with our API product at its core. * Proven experience in a regulated fintech, finance, or banking environment, preferably B2B, with a deep understanding of API-first SaaS offerings. * Continuous learning : The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? As the Investment API category leader in Europe, we are continuing our path of growth and expansion - with our API product at its core. * Proven experience in a regulated fintech, finance, or banking environment, preferably B2B, with a deep understanding of API-first SaaS offerings. * Continuous learning : The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
Strong knowledge of subsea engineering principles, subsea systems, and relevant industry codes and standards (e.g., API, ISO)
Strong knowledge of subsea engineering principles, subsea systems, and relevant industry codes and standards (e.g., API, ISO)
Post-training techniques for planning, reasoning & complex workflows (e.g., reasoning models, LLMs + knowledge graphs, test time compute, CoT pipelines, tool use & API calling, etc.)
Post-training techniques for planning, reasoning & complex workflows (e.g., reasoning models, LLMs + knowledge graphs, test time compute, CoT pipelines, tool use & API calling, etc.)