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104 Contract API jobs in Brompton, South West London + 20 miles
606 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
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.
About Quidax - Quidax is where money meets limitless possibilities. Were making it super easy for individuals, businesses, and fintechs in Africa to access crypto. Our goal? Providing real value for our customers today while shaping the future of money. About the Role - Were looking for a Senior / Staff Android Engineer whos obsessed with building sleek, reliable Android apps that make crypto simple and seamless. Youll be the tech glue holding complex mobile projects together, leading architecture and mentorship, and pushing our mobile platform into its next evolution. If you live for clean code, smooth user experiences, and high-impact work, keep reading. What Youll Be Owning - Drive Mobile Engineering Excellence * In your first 90 days: Own and optimize our Android apps architecturemake it scalable, fast, and future-proof.
About Quidax - Quidax is where money meets limitless possibilities. Were making it super easy for individuals, businesses, and fintechs in Africa to access crypto. Our goal? Providing real value for our customers today while shaping the future of money. About the Role - Were looking for a Senior / Staff Android Engineer whos obsessed with building sleek, reliable Android apps that make crypto simple and seamless. Youll be the tech glue holding complex mobile projects together, leading architecture and mentorship, and pushing our mobile platform into its next evolution. If you live for clean code, smooth user experiences, and high-impact work, keep reading. What Youll Be Owning - Drive Mobile Engineering Excellence * In your first 90 days: Own and optimize our Android apps architecturemake it scalable, fast, and future-proof.
Rayo, part of the UBDS group, is seeking a Back-End Developer to design, build, and maintain robust APIs and microservices for AWS-hosted platforms. This role involves delivering secure, scalable server-side solutions using Java and Spring Boot, with strong integration across AWS managed services. The successful candidate will also be expected to contribute to DevOps practices, performance optimisation, and team-wide code quality. This opportunity is suitable for experienced developers looking to deepen their technical leadership, as well as those progressing into a senior capacity with hands-on AWS delivery and solution design experience. * Develop and maintain back-end components using Java (11+) and Spring Boot. * Design and implement RESTful APIs and microservices within secure, cloud-native architectures.
Rayo, part of the UBDS group, is seeking a Back-End Developer to design, build, and maintain robust APIs and microservices for AWS-hosted platforms. This role involves delivering secure, scalable server-side solutions using Java and Spring Boot, with strong integration across AWS managed services. The successful candidate will also be expected to contribute to DevOps practices, performance optimisation, and team-wide code quality. This opportunity is suitable for experienced developers looking to deepen their technical leadership, as well as those progressing into a senior capacity with hands-on AWS delivery and solution design experience. * Develop and maintain back-end components using Java (11+) and Spring Boot. * Design and implement RESTful APIs and microservices within secure, cloud-native architectures.
We're making the world of digital assets accessible and secure for everyone. Join the mission. Were the forever innovators. On a mission that goes beyond business. Securing digital ownership in a changing world. Unlocking true freedom. Were revolutionaries. Looking beyond today. Bridging excellence and pragmatism, with ambition and conviction, to push the limits of whats possible. Thats what youll do here, in this playground of innovation. With leadership and trust, youll write the rules of new technology, and create products that redefine security in a digital age. To support our continued growth, were hiring an Engineering Manager to join the Wallet Experience business unit . Youll work directly with the Engineering Director and lead a high-performing team to deliver core features across our top-rated native applications.
We're making the world of digital assets accessible and secure for everyone. Join the mission. Were the forever innovators. On a mission that goes beyond business. Securing digital ownership in a changing world. Unlocking true freedom. Were revolutionaries. Looking beyond today. Bridging excellence and pragmatism, with ambition and conviction, to push the limits of whats possible. Thats what youll do here, in this playground of innovation. With leadership and trust, youll write the rules of new technology, and create products that redefine security in a digital age. To support our continued growth, were hiring an Engineering Manager to join the Wallet Experience business unit . Youll work directly with the Engineering Director and lead a high-performing team to deliver core features across our top-rated native applications.
Rayo, part of the UBDS group, is seeking a Front-End Developer to deliver high-performance, accessible, and maintainable user interfaces for AWS-hosted applications. The successful candidate will work closely with designers, back-end engineers, and DevOps teams to build responsive and scalable front-end solutions. This role is suited to developers with solid experience in modern JavaScript frameworks and a keen understanding of front-end performance and security principles, as well as those ready to provide architectural input and mentor junior colleagues. This opportunity offers a range of responsibilities suitable for both experienced developers and those seeking to grow into senior technical leadership roles within the front-end space. * Build and maintain robust, user-centred front-end applications using React or Angular.
Rayo, part of the UBDS group, is seeking a Front-End Developer to deliver high-performance, accessible, and maintainable user interfaces for AWS-hosted applications. The successful candidate will work closely with designers, back-end engineers, and DevOps teams to build responsive and scalable front-end solutions. This role is suited to developers with solid experience in modern JavaScript frameworks and a keen understanding of front-end performance and security principles, as well as those ready to provide architectural input and mentor junior colleagues. This opportunity offers a range of responsibilities suitable for both experienced developers and those seeking to grow into senior technical leadership roles within the front-end space. * Build and maintain robust, user-centred front-end applications using React or Angular.
Key Accounts - Contact Centre as a Service Support Engineer
Key Accounts - Contact Centre as a Service Support Engineer
Babble Cloud Limited
High Wycombe, Buckinghamshire
Competitive
Why Babble? Babble is a Customer Experience-led growth business. As the ultimate Trusted Advisor for cloud-based technologies, we specialize in empowering businesses with the best solutions from the world's leading providers. * Microsoft Modern Work * Cybersecurity * Contact Centre Technology * Mobile Solutions * Communications & Connectivity - With nearly 15,000 customers, we're just scratching the surface of our potential. Many of our clients currently benefit from one or two of our technologies, presenting an incredible opportunity to introduce them to our full suite of market-leading solutions. Join us on this exciting journey and let's achieve greatness together! Job Description - Join Our Dynamic Team as a Key Accounts - Contact Centre as a Service Support Engineer! Are you passionate about telecoms? Do you thrive in a fast-paced, innovative environment?
Why Babble? Babble is a Customer Experience-led growth business. As the ultimate Trusted Advisor for cloud-based technologies, we specialize in empowering businesses with the best solutions from the world's leading providers. * Microsoft Modern Work * Cybersecurity * Contact Centre Technology * Mobile Solutions * Communications & Connectivity - With nearly 15,000 customers, we're just scratching the surface of our potential. Many of our clients currently benefit from one or two of our technologies, presenting an incredible opportunity to introduce them to our full suite of market-leading solutions. Join us on this exciting journey and let's achieve greatness together! Job Description - Join Our Dynamic Team as a Key Accounts - Contact Centre as a Service Support Engineer! Are you passionate about telecoms? Do you thrive in a fast-paced, innovative environment?
Key Accounts - Contact Centre as a Service Support Engineer
Key Accounts - Contact Centre as a Service Support Engineer
Babble Cloud Limited
Reading, Berkshire
Competitive
Company Description - Why Babble? Babble is a Customer Experience-led growth business. As the ultimate Trusted Advisor for cloud-based technologies, we specialize in empowering businesses with the best solutions from the world's leading providers. * Microsoft Modern Work * Cybersecurity * Contact Centre Technology * Mobile Solutions * Communications & Connectivity - With nearly 15,000 customers, we're just scratching the surface of our potential. Many of our clients currently benefit from one or two of our technologies, presenting an incredible opportunity to introduce them to our full suite of market-leading solutions. Join us on this exciting journey and let's achieve greatness together! About Us | Leading UK Cloud Solutions Provider | Babble - Job Description - Join Our Dynamic Team as a Key Accounts - Contact Centre as a Service Support Engineer! Are you passionat
Company Description - Why Babble? Babble is a Customer Experience-led growth business. As the ultimate Trusted Advisor for cloud-based technologies, we specialize in empowering businesses with the best solutions from the world's leading providers. * Microsoft Modern Work * Cybersecurity * Contact Centre Technology * Mobile Solutions * Communications & Connectivity - With nearly 15,000 customers, we're just scratching the surface of our potential. Many of our clients currently benefit from one or two of our technologies, presenting an incredible opportunity to introduce them to our full suite of market-leading solutions. Join us on this exciting journey and let's achieve greatness together! About Us | Leading UK Cloud Solutions Provider | Babble - Job Description - Join Our Dynamic Team as a Key Accounts - Contact Centre as a Service Support Engineer! Are you passionat
We offer a flexible working policy that empowers iManage employees to balance work and well-being. We encourage two days per week in-office collaboration, offering opportunities to learn from peers in person, while also providing the flexibility needed for a meaningful work-life balance. Being a Senior Technical Consultant at iManage means - You will be responsible for providing implementation expertise on our enterprise projects and initiatives. You will take responsibility for the technical delivery of our iManage products and provide high-value advice and guidance to our clients. You will collaborate closely with our clients and fellow team members to understand business processes and requirements to help ensure the delivery of successful, business critical solutions. You will be a subject matter expert and trusted advisor to our clients.
We offer a flexible working policy that empowers iManage employees to balance work and well-being. We encourage two days per week in-office collaboration, offering opportunities to learn from peers in person, while also providing the flexibility needed for a meaningful work-life balance. Being a Senior Technical Consultant at iManage means - You will be responsible for providing implementation expertise on our enterprise projects and initiatives. You will take responsibility for the technical delivery of our iManage products and provide high-value advice and guidance to our clients. You will collaborate closely with our clients and fellow team members to understand business processes and requirements to help ensure the delivery of successful, business critical solutions. You will be a subject matter expert and trusted advisor to our clients.
A Full Stack Software Engineering role. A role that will build your technical capabilities, providing a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA, DevOps, and fellow engineers, this role helps shape technical solutions and contributes to quality practices. Essential Skills & Experience * Strong Python Development Capability 3 years+ * Experienced with front-end frameworks (React.js and Next.js) * Experience with TypeScript * Experience implementing and integrating with REST APIs * SQL experience (preferably PostgreSQL and/or MySQL) * Experience with responsive web design * Understanding of SEO strategies and security standards
A Full Stack Software Engineering role. A role that will build your technical capabilities, providing a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA, DevOps, and fellow engineers, this role helps shape technical solutions and contributes to quality practices. Essential Skills & Experience * Strong Python Development Capability 3 years+ * Experienced with front-end frameworks (React.js and Next.js) * Experience with TypeScript * Experience implementing and integrating with REST APIs * SQL experience (preferably PostgreSQL and/or MySQL) * Experience with responsive web design * Understanding of SEO strategies and security standards
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
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.
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.
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
Experience and knowledge of API testing and the use of Postman
Experience and knowledge of API testing and the use of Postman
Ensure consistency in user experience, API design, and operational processes across the capability.
Ensure consistency in user experience, API design, and operational processes across the capability.
Front Office Quantitative Software Engineer
Front Office Quantitative Software Engineer
Banco Bilbao Vizcaya t/a Bbva Finance (Uk) Ltd
London
Competitive
Experience with the Murex platform and Murex Flex API.
Experience with the Murex platform and Murex Flex API.
Participate in the evolution and development of the REST API. * .NET, ASP.NET Core Web API
Participate in the evolution and development of the REST API. * .NET, ASP.NET Core Web API
Strong grasp of distributed systems design, data architecture, and API development
Strong grasp of distributed systems design, data architecture, and API development
Experience with ARTIQ systems, or controlling hardware via python API.
Experience with ARTIQ systems, or controlling hardware via python API.
NEW
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
Help transition from a legacy REST API to GraphQL infrastructure
Help transition from a legacy REST API to GraphQL infrastructure
You can design a RESTful API and list all the pros and cons of your design * You have an API-first product mindset: you care about customer outcomes and you like to listen to their use-cases before diving into code
You can design a RESTful API and list all the pros and cons of your design * You have an API-first product mindset: you care about customer outcomes and you like to listen to their use-cases before diving into code
Experience of RESTful API Design and authentication with OAUTH
Experience of RESTful API Design and authentication with OAUTH
Related Jobs
Locations
- Shadwell
- The City, City (EC3)
- Frimley
- Millwall
- Shoreditch
- Southwark
- The City, City (EC4)
- Bishopsgate
- Brentford End
- Charing Cross
- City of London
- Central London
- West End
- East London
- Reading
- South West London
- Cambridge
- Milton Keynes
- Oxford
- Bedford
- London
- Berkshire
- Surrey
- Oxfordshire
- Buckinghamshire
- Cambridgeshire
- Bedfordshire
- Hertfordshire
- Essex
- Hampshire
- South East
- East Anglia