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76 API jobs in Oxfordshire + 20 miles
648 exact matches jobs are outside your preferred location
Landytech is on a mission to revolutionize the way that investment managers, asset owners and their advisors access asset information. Powered by Sesame, an industry-leading investment reporting platform, we are helping clients in over 15 countries make informed investment decisions and deliver insights faster. The company is growing rapidly and it's an exciting time to join, having secured $12M in Series B funding in January 2023. In just four years, it has gone from two co-founders to a team of 100+ staff, with offices in London and Paris. At Landytech, we see diversity as our strength with a team from over 15 countries and 14 languages spoken. Team & Role - We're seeking a talented Software Engineer to join our team. You'll build and maintain services and tools (written primarily in Python) that process and publish financial metrics, directly impacting how our cust
Landytech is on a mission to revolutionize the way that investment managers, asset owners and their advisors access asset information. Powered by Sesame, an industry-leading investment reporting platform, we are helping clients in over 15 countries make informed investment decisions and deliver insights faster. The company is growing rapidly and it's an exciting time to join, having secured $12M in Series B funding in January 2023. In just four years, it has gone from two co-founders to a team of 100+ staff, with offices in London and Paris. At Landytech, we see diversity as our strength with a team from over 15 countries and 14 languages spoken. Team & Role - We're seeking a talented Software Engineer to join our team. You'll build and maintain services and tools (written primarily in Python) that process and publish financial metrics, directly impacting how our cust
Rayo, part of the UBDS group, is seeking a Full-Stack Developer to contribute to the development and support of cloud-native applications deployed on Amazon Web Services (AWS). The successful candidate will work across the full software development lifecycle, combining solid Java/Spring Boot back-end development with modern front-end skills using frameworks such as React or Angular. The role offers opportunities to support, design, and build scalable and secure solutions for high-impact public sector programmes. This position is suitable for candidates with foundational experience in full-stack development, as well as those with deeper technical capability looking to further progress within an Agile delivery environment. * Design, develop, and maintain scalable full-stack solutions hosted on AWS. * Build and integrate RESTful APIs using Java and Spring Boot.
Rayo, part of the UBDS group, is seeking a Full-Stack Developer to contribute to the development and support of cloud-native applications deployed on Amazon Web Services (AWS). The successful candidate will work across the full software development lifecycle, combining solid Java/Spring Boot back-end development with modern front-end skills using frameworks such as React or Angular. The role offers opportunities to support, design, and build scalable and secure solutions for high-impact public sector programmes. This position is suitable for candidates with foundational experience in full-stack development, as well as those with deeper technical capability looking to further progress within an Agile delivery environment. * Design, develop, and maintain scalable full-stack solutions hosted on AWS. * Build and integrate RESTful APIs using Java and Spring Boot.
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Join Tradewebs European Product Implementation team and play a key role in integrating new trading functionalities and protocols across our industry-leading electronic trading and regulatory reporting platforms. Serving clients in over 65 countries who collectively trade more than $2.5 trillion daily, Tradeweb is at the forefront of electronic markets and this role directly contributes to that growth. As a Product Implementation professional, youll work closely with liquidity providers to deliver seamless deployments, ensuring they are fully enabled on Tradewebs platforms. This is a critical, client-facing role that requires strong communication skills, sound judgment under pressure, and a problem-solving mindset. Well provide the training, support, and collaborative environment to help you thrive. Key Responsibilities
Attivo are Lifestyle Financial Planners. Were a privately owned company. We prefer it that way. It means were free to do what we feel is best for our clients and our people. Our work is all about our clients. We pride ourselves on being completely transparent, open and honest an approach that builds trust with our clients and inspires their financial confidence. Our experienced, highly qualified financial specialists and expert support teams are committed to delivering more for all our clients. Our independent status and unique approach to understanding our clients, their preferences and their motivation, sets us apart. We will build and provide ongoing support for a bespoke financial plan aimed at fulfilling our clients' lifestyle needs. Whether youre a private client or a business accessing our corporate services, you can rely on a clear, consistent service from you
Attivo are Lifestyle Financial Planners. Were a privately owned company. We prefer it that way. It means were free to do what we feel is best for our clients and our people. Our work is all about our clients. We pride ourselves on being completely transparent, open and honest an approach that builds trust with our clients and inspires their financial confidence. Our experienced, highly qualified financial specialists and expert support teams are committed to delivering more for all our clients. Our independent status and unique approach to understanding our clients, their preferences and their motivation, sets us apart. We will build and provide ongoing support for a bespoke financial plan aimed at fulfilling our clients' lifestyle needs. Whether youre a private client or a business accessing our corporate services, you can rely on a clear, consistent service from you
Experience with API design and implementing authentication/authorisation flows
Experience with API design and implementing authentication/authorisation flows
Familiarity with real-time data processing, event-driven systems, and API-first design.
Familiarity with real-time data processing, event-driven systems, and API-first design.
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Familiarity with API testing tools (e.g., Postman, RestAssured).
Familiarity with API testing tools (e.g., Postman, RestAssured).
Experience with API design and management principles.
Experience with API design and management principles.
Experience using Postman for API testing and validation
Experience using Postman for API testing and validation
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Our API Experience team strives to ensure we set the industry standard for seamless financial enterprise integrations with Wise Platforms API experience.
Our API Experience team strives to ensure we set the industry standard for seamless financial enterprise integrations with Wise Platforms API experience.
Broad Testing Experience: Experience in front-end and API testing.
Broad Testing Experience: Experience in front-end and API testing.
Experience and knowledge of API testing and the use of Postman
Experience and knowledge of API testing and the use of Postman
The architect will lead strategic initiatives including Azure Landing Zones, cloud migrations, Kubernetes-based microservices, SD-WAN/SASE integration, API architecture, and Infrastructure-as-Code (IaC) using Terraform, while working closely with the Head of Strategy, Architecture & Platform Engineering. API Integration & Design * Design and govern enterprise API architecture for cloud-native and hybrid applications * Define standards for API security, versioning, throttling, and lifecycle management * API Design & Management (e.g., Apigee, Azure API Management)
The architect will lead strategic initiatives including Azure Landing Zones, cloud migrations, Kubernetes-based microservices, SD-WAN/SASE integration, API architecture, and Infrastructure-as-Code (IaC) using Terraform, while working closely with the Head of Strategy, Architecture & Platform Engineering. API Integration & Design * Design and govern enterprise API architecture for cloud-native and hybrid applications * Define standards for API security, versioning, throttling, and lifecycle management * API Design & Management (e.g., Apigee, Azure API Management)
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API.
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API.
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Select, implement, and optimise testing tools and environments across functional, API, and performance testing.
Select, implement, and optimise testing tools and environments across functional, API, and performance testing.
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The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
Understanding of Workfront Fusion or API-driven workflows (handled by a dedicated integration team).
Understanding of Workfront Fusion or API-driven workflows (handled by a dedicated integration team).
We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
We believe in good RESTful API design for communication between our services and their various parts, and also for exchanging data and functionality with external services.
Web API Services
Web API Services
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Familiarity with API design and working in distributed systems
Familiarity with API design and working in distributed systems
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Experience designing, building and deploying user-facing, and/or API-based products. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Experience designing, building and deploying user-facing, and/or API-based products. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Understanding of REST API design
Understanding of REST API design
Understanding and/or experience in managing API-based software businesses
Understanding and/or experience in managing API-based software businesses
We are building the first European Investment API that empowers businesses to offer seamless investment. Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
We are building the first European Investment API that empowers businesses to offer seamless investment. Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.