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7 Contract API jobs in Sunbury-On-Thames + 20 miles
58 exact matches jobs are outside your preferred location
Is specialized in several design codes (EC, ACI/AISC/API, GOST, )
Is specialized in several design codes (EC, ACI/AISC/API, GOST, )
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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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
FEATURED
If that excites you, how about joining our Engineering team as Engineering Manager for API Platform. Reporting to the clusters Director of Engineering, you will lead a team responsible for ClearBanks API platform and associated services, such as webhooks and authentication, partnering with Product colleagues to plan, deliver and improve technical capabilities in a critical area for ClearBank.
If that excites you, how about joining our Engineering team as Engineering Manager for API Platform. Reporting to the clusters Director of Engineering, you will lead a team responsible for ClearBanks API platform and associated services, such as webhooks and authentication, partnering with Product colleagues to plan, deliver and improve technical capabilities in a critical area for ClearBank.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. We welcome you to apply! When applying to this general posting, our expert BNY Talent Acquisition Team may also review your resume for consideration across other open roles within the company.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. We welcome you to apply! When applying to this general posting, our expert BNY Talent Acquisition Team may also review your resume for consideration across other open roles within the company.
Senior Specialist, Full-Stack Engineer - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Senior Specialist, Full-Stack Engineer to build secure, scalable, and resilient systems.
Senior Specialist, Full-Stack Engineer - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Senior Specialist, Full-Stack Engineer to build secure, scalable, and resilient systems.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Director, Principal Engineer to join our team. This role is located in London. Role Overview
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Director, Principal Engineer to join our team. This role is located in London. Role Overview
Experience with Bloomberg market data APIs like SAPI, B-PIPE, Desktop API
Experience with Bloomberg market data APIs like SAPI, B-PIPE, Desktop API
NO AGENCIES - Please do not attempt to canvas from here. We are a highly successful UK-based Events Management SaaS company catering to large corporate enterprise businesses, such as banks, law firms, and government bodies. We specialise in providing event management solutions for highly regulated industries, with a strong focus on security and compliance. As a secure and dynamically growing software business with a 20-year history of stability and profit from offices in Farringdon, London, we are currently undertaking a complete rebuild of our platform to create an even more intuitive and engaging user experience. Our client list includes Deutsche Bank, Santander, BNPP, Ford, Kia, Toyota, Linklaters, Clifford Chance, Freshfields etc. * Current Tech Includes: PHP, MySQL, Laravel, React.js, Next.js
NO AGENCIES - Please do not attempt to canvas from here. We are a highly successful UK-based Events Management SaaS company catering to large corporate enterprise businesses, such as banks, law firms, and government bodies. We specialise in providing event management solutions for highly regulated industries, with a strong focus on security and compliance. As a secure and dynamically growing software business with a 20-year history of stability and profit from offices in Farringdon, London, we are currently undertaking a complete rebuild of our platform to create an even more intuitive and engaging user experience. Our client list includes Deutsche Bank, Santander, BNPP, Ford, Kia, Toyota, Linklaters, Clifford Chance, Freshfields etc. * Current Tech Includes: PHP, MySQL, Laravel, React.js, Next.js
Zilch is a payment tech company on a mission to create the most empowering way to pay for anything, anywhere. Combining the best of debit, credit and savings, we give our customers the option to earn instant cashback or spread the cost of pricier purchases, completely interest free and with no late fees. Pretty great, right? We started in 2018 with a small team and a big dream - to make credit accessible to all. Since then, we've achieved double unicorn status and taken on more than 5 million customers. There are some exciting projects coming up and weve got big growth plans. Want to join us? About the role. Zilch is searching for a talented Senior Java Software Engineer to join our dynamic and fast-paced team. We are looking to speak with coding enthusiasts who live and breathe software, and who obsess about quality.
Zilch is a payment tech company on a mission to create the most empowering way to pay for anything, anywhere. Combining the best of debit, credit and savings, we give our customers the option to earn instant cashback or spread the cost of pricier purchases, completely interest free and with no late fees. Pretty great, right? We started in 2018 with a small team and a big dream - to make credit accessible to all. Since then, we've achieved double unicorn status and taken on more than 5 million customers. There are some exciting projects coming up and weve got big growth plans. Want to join us? About the role. Zilch is searching for a talented Senior Java Software Engineer to join our dynamic and fast-paced team. We are looking to speak with coding enthusiasts who live and breathe software, and who obsess about quality.
Manage automated tests (UI, API, integration, end-to-end)
Manage automated tests (UI, API, integration, end-to-end)
API and service integration testing background for multi-layered platforms
API and service integration testing background for multi-layered platforms
Cube.js - Semantic layer/analytics API
Cube.js - Semantic layer/analytics API
Strong knowledge of mechanical equipment design codes (ASME, ANSI, API, PIP, NACE).
Strong knowledge of mechanical equipment design codes (ASME, ANSI, API, PIP, NACE).
Understands API-first architectures can read API docs, build integrations against REST/GraphQL endpoints, and demo programmatic access management
Understands API-first architectures can read API docs, build integrations against REST/GraphQL endpoints, and demo programmatic access management
Strong command of modern application development: microservices, API-first design, event-driven architecture, and cloud platforms (AWS, Azure, or GCP).
Strong command of modern application development: microservices, API-first design, event-driven architecture, and cloud platforms (AWS, Azure, or GCP).
Contribute to and help shape technical forums and working groups, including areas such as API and architecture governance * Experience with REST API design in complex, multi-service environments
Contribute to and help shape technical forums and working groups, including areas such as API and architecture governance * Experience with REST API design in complex, multi-service environments
Through our API, we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves Wise Platform by increasing the capabilities of our public API. * Designing and developing innovative new features that expand the functionality of Wise's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of Wise's platform. * Diagnosing and resolving complex technical issues within the Wise product stack, providing second-line support to the API support team and ensuring timely resolution of partner inquiries and technical challenges. * Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2.
Through our API, we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves Wise Platform by increasing the capabilities of our public API. * Designing and developing innovative new features that expand the functionality of Wise's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of Wise's platform. * Diagnosing and resolving complex technical issues within the Wise product stack, providing second-line support to the API support team and ensuring timely resolution of partner inquiries and technical challenges. * Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2.
Own the design and delivery of significant backend systems and services across a product domain, from data modelling through API surface to operational concerns. * Flask and FastAPI, with strong typing and Pydantic powering automated documentation and API definitions.
Own the design and delivery of significant backend systems and services across a product domain, from data modelling through API surface to operational concerns. * Flask and FastAPI, with strong typing and Pydantic powering automated documentation and API definitions.
Technically, youre comfortable with Kubernetes and the cloud-native ecosystem, have working knowledge of at least one programming language, and can navigate cloud platforms and API integrations.
Technically, youre comfortable with Kubernetes and the cloud-native ecosystem, have working knowledge of at least one programming language, and can navigate cloud platforms and API integrations.
Mobile API abuse and session manipulation
Mobile API abuse and session manipulation
API and contract testing experience, with a point of view on test data and environment strategy.
API and contract testing experience, with a point of view on test data and environment strategy.
Partner with activation / onboarding and account management teams to translate customer requirements into scalable architectures, particularly where ERP, HRIS, and API integrations are core to the rollout. * Hands-on experience working with or alongside integration engineers, solution architects, or technical program managers on API-based integrations, including familiarity with common web, SSO, and ERP integration concepts.
Partner with activation / onboarding and account management teams to translate customer requirements into scalable architectures, particularly where ERP, HRIS, and API integrations are core to the rollout. * Hands-on experience working with or alongside integration engineers, solution architects, or technical program managers on API-based integrations, including familiarity with common web, SSO, and ERP integration concepts.
Signal Engineering: Maintain and optimise server-side conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API), driving high Event Match Quality (EMQ) scores and hardening identifier coverage to supercharge our paid media performance.
Signal Engineering: Maintain and optimise server-side conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API), driving high Event Match Quality (EMQ) scores and hardening identifier coverage to supercharge our paid media performance.
Were looking for a product Engineer whos AI-first in how you think and build, you thrive with real autonomy and you're energised by the scale of what's ahead. With a product first mindset, you'll work closely across our tight-knit team of 15 with Engineering, Product and Commercial, and you'll have genuine scope to shape how we build. This is a role with real purpose baked in! You believe technology can drive systemic change for people, for the planet and you want your day job to prove it. If that sounds like you, we'd love to talk. Requirements * Design, build, and maintain our core web application, APIs and data infrastructure. * Work with LLMs and ML methods to automate data operations and shape the AI-first customer experience we're building towards. * Own the full product lifecycle, from idea and prototype through to shipping and measuring real customer impact.
Were looking for a product Engineer whos AI-first in how you think and build, you thrive with real autonomy and you're energised by the scale of what's ahead. With a product first mindset, you'll work closely across our tight-knit team of 15 with Engineering, Product and Commercial, and you'll have genuine scope to shape how we build. This is a role with real purpose baked in! You believe technology can drive systemic change for people, for the planet and you want your day job to prove it. If that sounds like you, we'd love to talk. Requirements * Design, build, and maintain our core web application, APIs and data infrastructure. * Work with LLMs and ML methods to automate data operations and shape the AI-first customer experience we're building towards. * Own the full product lifecycle, from idea and prototype through to shipping and measuring real customer impact.