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71 Permanent API jobs in Piccadilly, Central London + 20 miles
371 exact matches jobs are outside your preferred location
Who We Are - At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role - Location: Remote-first (UK-based role with global customer reach: UK, US, Japan, MEA, and beyond) Architect and advance Agentic AI with a team that's setting the pace for the industry. We're solving real-world problems at massive scale powered by creativity, precision, and a shared obsession with whats next. Youll be part of a team shaping the future of Agentic AI - architecting and scaling a next-gen open-source framework that powers autonomous systems across industries. We're not just talking innovation - we're build
Who We Are - At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role - Location: Remote-first (UK-based role with global customer reach: UK, US, Japan, MEA, and beyond) Architect and advance Agentic AI with a team that's setting the pace for the industry. We're solving real-world problems at massive scale powered by creativity, precision, and a shared obsession with whats next. Youll be part of a team shaping the future of Agentic AI - architecting and scaling a next-gen open-source framework that powers autonomous systems across industries. We're not just talking innovation - we're build
Practice Group / Department: Application Centre - Canada Job Description We're Norton Rose Fulbright - a global law firm with over 50 offices and 7,000 employees worldwide. We provide the worlds preeminent corporations and financial institutions with a full business law service. At Norton Rose Fulbright, our strategy and our culture are closely entwined. We know that our expansion will mean little unless it is underpinned by truly global collaboration and we understand that pioneering work only takes place when our people have room to move and think beyond boundaries. As well as the relevant skills and experience, we're looking for people who are innovative, commercial and value the work that they do. Our London office is currently looking for a Senior Data Engineer. The Role The Senior Data Engineer will be responsible for designing, developing, and maintaining the .
Practice Group / Department: Application Centre - Canada Job Description We're Norton Rose Fulbright - a global law firm with over 50 offices and 7,000 employees worldwide. We provide the worlds preeminent corporations and financial institutions with a full business law service. At Norton Rose Fulbright, our strategy and our culture are closely entwined. We know that our expansion will mean little unless it is underpinned by truly global collaboration and we understand that pioneering work only takes place when our people have room to move and think beyond boundaries. As well as the relevant skills and experience, we're looking for people who are innovative, commercial and value the work that they do. Our London office is currently looking for a Senior Data Engineer. The Role The Senior Data Engineer will be responsible for designing, developing, and maintaining the .
Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world's largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Software Engineer to join our Institutional team in our London office. You are a hardworking team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements. * Design and implement scalable, secure, and high-performance backend services in Java/Kotlin that power client-facing applications for trading, custody, and wealth management.
Blockchain is the world's leading software platform for digital assets. Founded in 2011, we provide the world's largest and most trusted production blockchain platform, powering more than 75 million wallets. Together with our platform of liquidity and execution services, we share the passion to build an open, accessible and fair financial future, one piece of software at a time. We are looking to hire a Software Engineer to join our Institutional team in our London office. You are a hardworking team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements. * Design and implement scalable, secure, and high-performance backend services in Java/Kotlin that power client-facing applications for trading, custody, and wealth management.
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. London Office - Hybrid: 4 days in the office, 1 day working from home - We're looking for a Senior Fullstack Engineer to join our new, rapidly growing Cards team. In this role, you'll work on innovative fintech products, helping to solve customer problems by leveraging data and an entrepreneurial spirit.
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. London Office - Hybrid: 4 days in the office, 1 day working from home - We're looking for a Senior Fullstack Engineer to join our new, rapidly growing Cards team. In this role, you'll work on innovative fintech products, helping to solve customer problems by leveraging data and an entrepreneurial spirit.
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're looking for a Senior Fullstack Engineer to join our new, rapidly growing Cards team. In this role, you'll work on innovative fintech products, helping to solve customer problems by leveraging data and an entrepreneurial spirit.
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're looking for a Senior Fullstack Engineer to join our new, rapidly growing Cards team. In this role, you'll work on innovative fintech products, helping to solve customer problems by leveraging data and an entrepreneurial spirit.
Hi, were Bloom & Wild. Founded in 2013, our mission back then was to make sending and receiving flowers the joy that it should be, by harnessing technology, brand and letterbox delivery. Together, weve fulfilled over 20 million deliveries (and counting!), making us the largest direct to consumer flower business in Europe. We care wildly about people and our planet. Which is why were so proud to be a certified B Corp committed to making long-term positive change for our community, and the world around us. We announced £75 million Series D funding in 2021 and that same year acquired bloomon in The Netherlands and Bergamotte in France. Now home to a family of 3 beautiful brands, were driven by our vision to create the destination for making life a little more thoughtful and beautiful. And we won't stop at flowers and plants.
Hi, were Bloom & Wild. Founded in 2013, our mission back then was to make sending and receiving flowers the joy that it should be, by harnessing technology, brand and letterbox delivery. Together, weve fulfilled over 20 million deliveries (and counting!), making us the largest direct to consumer flower business in Europe. We care wildly about people and our planet. Which is why were so proud to be a certified B Corp committed to making long-term positive change for our community, and the world around us. We announced £75 million Series D funding in 2021 and that same year acquired bloomon in The Netherlands and Bergamotte in France. Now home to a family of 3 beautiful brands, were driven by our vision to create the destination for making life a little more thoughtful and beautiful. And we won't stop at flowers and plants.
Our client is a pre-seed, London-based startup building a universal financial intelligence layer for the healthcare industry. With $2M in funding from top-tier VCs, they're tackling a massive, untapped market: providing financial visibility to the dental industry, which currently lacks the tools to unify fragmented data across various systems. They've already found product-market fit and are poised for rapid growth. This is a unique opportunity to join a small, early-stage team and help build the foundation of a global platform. Our client is looking for a Software Engineer to work directly with the CTO and own problems from end-to-end. This is a hands-on role for a product-minded engineer who is dedicated to building scalable and durable systems. You will be instrumental in developing the core product, which will include building payment workflows, integrations, and
Our client is a pre-seed, London-based startup building a universal financial intelligence layer for the healthcare industry. With $2M in funding from top-tier VCs, they're tackling a massive, untapped market: providing financial visibility to the dental industry, which currently lacks the tools to unify fragmented data across various systems. They've already found product-market fit and are poised for rapid growth. This is a unique opportunity to join a small, early-stage team and help build the foundation of a global platform. Our client is looking for a Software Engineer to work directly with the CTO and own problems from end-to-end. This is a hands-on role for a product-minded engineer who is dedicated to building scalable and durable systems. You will be instrumental in developing the core product, which will include building payment workflows, integrations, and
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, veteran status, pregnancy or related condition (including breastfeeding) or any other basis as protected by applicable law. About us - Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward.
At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, veteran status, pregnancy or related condition (including breastfeeding) or any other basis as protected by applicable law. About us - Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward.
Job Description Summary - Join us at GE Vernova Grid Software to be part of the team leading the digital transformation of the energy market. As the worlds energy sector moves away from fossil fuels toward renewable energy sources, industrial companies are challenged with addressing this transition in transformative ways. Digitization will be key to making power-generating assets more efficient and the electric grid more secure and resilient. Our Geospatial products play a critical role in this transformation by supporting the design, modelling and maintenance of electric, gas and telecommunication networks. For more information on our strategy, check out GridOS overview : will be a part of our Grid Software Engineering team, an Agile organization with a flexible working environment, where we are always looking to innovate our products and the processes and technologi
Job Description Summary - Join us at GE Vernova Grid Software to be part of the team leading the digital transformation of the energy market. As the worlds energy sector moves away from fossil fuels toward renewable energy sources, industrial companies are challenged with addressing this transition in transformative ways. Digitization will be key to making power-generating assets more efficient and the electric grid more secure and resilient. Our Geospatial products play a critical role in this transformation by supporting the design, modelling and maintenance of electric, gas and telecommunication networks. For more information on our strategy, check out GridOS overview : will be a part of our Grid Software Engineering team, an Agile organization with a flexible working environment, where we are always looking to innovate our products and the processes and technologi
At Ripple, we're building a world where value moves like information does today. It's big, it's bold, and we're already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you're ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. As an Engineering Manager in our Finance Primitives organization, you'll play a critical role in owning and evolving the systems that keep the financial engine of the company running. This team sits at the heart of our infrastructureresponsible for bank integrations, pa
At Ripple, we're building a world where value moves like information does today. It's big, it's bold, and we're already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you're ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. As an Engineering Manager in our Finance Primitives organization, you'll play a critical role in owning and evolving the systems that keep the financial engine of the company running. This team sits at the heart of our infrastructureresponsible for bank integrations, pa
Introduce new product offerings such as exotic currencies and API products - Extensive development skills and experience with Java, Spring, Hibernate, Open API, Log4J, etc. Good development skills and experience with Angular, JavaScript, TypeScript, CSS, etc. Good understanding of Oracle relational databases with appropriate SQL knowledge.
Introduce new product offerings such as exotic currencies and API products - Extensive development skills and experience with Java, Spring, Hibernate, Open API, Log4J, etc. Good development skills and experience with Angular, JavaScript, TypeScript, CSS, etc. Good understanding of Oracle relational databases with appropriate SQL knowledge.
Optional knowledge of REST API and SWAGGER HubXCT eg SWIFT MTMX Cross Border will be an asset
Optional knowledge of REST API and SWAGGER HubXCT eg SWIFT MTMX Cross Border will be an asset
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
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.
Automate API testing using tools such as Postman, RestAssured, or equivalent . * RestAssured (BDD), Postman (for API testing).
Automate API testing using tools such as Postman, RestAssured, or equivalent . * RestAssured (BDD), Postman (for API testing).
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Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
Large-scale data processing; data modeling; holistic, intent-based API design
Large-scale data processing; data modeling; holistic, intent-based API design
Experience with ARTIQ systems, or controlling hardware via python API.
Experience with ARTIQ systems, or controlling hardware via python API.
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Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development
Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development
API Testing: Ability to test APIs using tools like Postman or Swagger.
API Testing: Ability to test APIs using tools like Postman or Swagger.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
2+ years of in a few of the areas: serverless architecture, event-driven architecture, microservices, API-driven cloud-based products including performance management.
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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
Experience in REST API service development a plus
Experience in REST API service development a plus
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
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Locations
- Shadwell
- The City, City (EC3)
- Millwall
- Shoreditch
- The City, City (EC4)
- Charing Cross
- Fivensgreen
- Gilwell Park
- Haslemere Industrial Estate
- Holloway
- City of London
- Central London
- West End
- East London
- Reading
- Cambridge
- Windsor
- Bedford
- Milton Keynes
- North West London
- London
- Berkshire
- Cambridgeshire
- Bedfordshire
- Surrey
- Buckinghamshire
- Oxfordshire
- West Sussex
- Hampshire
- Hertfordshire
- South East
- East Anglia