api developer

Job DescriptionImmediate need API developer in London UK - Contract opportunity initally for 6 months

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure, and well-documented services that...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure, and well-documented services that...

API Developer | $700–€“$1,100 USD/month | Fully Remote Location: Fully remote — you can be based anywhere in the world Hours: Mon–€“Fri, UK business hours (09:00–€“17:30 GMT/BST) Salary: $700–€“$1,100 USD/month Contract: Full-time, permanent The location shown on this listing is where the client is based. This role is fully remote — no...

Job DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency,...

ADP is seeking an experienced engineering leader in the United Kingdom to drive core payroll and statutory compliance features. You will guide cross-functional teams across front-end, back-end, and DevOps, leveraging APIs, microservices, and cloud infrastructure.The role demands hands-on leadership in Agile sprints and a passion for continuous improvement....

Job DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency,...

.Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 monthsMy client is a global leading consultancy. They are on the hunt for a .NET Developer to join a financial client of theirs.Responsibilities:Maintained and enhanced legacy .NET applications (ASP.NET, .NET Framework, C#), ensuring business critical systems remained...

About Intermedia:Intermedia has established itself as a leading provider of cloud communications and collaboration tech that allows companies to connect better. We have a strong track record of growth, profitability, and creating an environment where everyone matters. Everyone. While we are fast-paced and admittedly a bit intense, we promise that you...

C# API Developer65,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a C# .NET Developer to join our high profile client.Our client is the world leader in Market data management systems, with clients globally such as most of the major investment banks. Their team in Tonbridge is at 63 and rapidly expanding. As a developer...

Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it for you: Salary to £90kHybrid working (x2 days WFH per week)Pension, Life...

Senior C# Developer – Full Stack / API / AI We’re looking for a Senior C# Developer to join a modern engineering team and play a key role in developing and enhancing a high-quality software product. This is a hands-on full-stack development role, with a strong focus on C# / .NET, API-driven development and modern software engineering practices. You’ll...

Senior Full Stack Engineer / Developer (TypeScript React API Rust) London onsite to £120kOpportunity for a Senior / Founding Full Stack Developer to join a fast growing sports technology business as it establishes its new UK operation.The company sits at the intersection of sports, data, digital insights and betting, working across major US sports including...

Job DescriptionAt Difrent, we have an ambitious growth plan that will see us delivering cutting edge digital services to our Healthcare, Government and Corporate clients.We’re now looking for a proactive and experienced Front End Developer with experience of product development for web and mobile with hands on experience coding in with web and JS...

**Senior Full Stack Engineer / Developer (TypeScript React API Rust) London onsite to £120k** Opportunity for a Senior / Founding Full Stack Developer to join a fast growing sports technology business as it establishes its new UK operation. The company sits at the intersection of sports, data, digital insights and betting, working across major US sports...

Our Financial Services Client is looking for a Senior Platform TECH LEAD (Temenos/T24) with APIs experience to develop, and implement software/system solutions for improving the functionality of core banking applications and services. Must Have:Experience building and consuming APIs, working with relational databases, and what it takes to run code in a...

Our financial services client is seeking a ServiceNow Developer to design and implement ServiceNow and AI-enabled solutions using workflow automation, integrations, APIs, and enterprise application developmentJoin a banking environment delivering ServiceNow platform enhancements and AI-enabled automation initiatives supporting enterprise service delivery....

About Gigs At Gigs, we're building the operating system for mobile services—a platform that lets tech companies embed global connectivity into their products effortlessly. Just as Stripe lets any business add a payment button in seconds, Gigs empowers platforms to weave in connectivity—bridging the traditional world of telecom with modern tech. From...

If you’re looking for a career that will help you stand out, join HSBC, and fulfil your potential - whether you want a career that could take you to the top, or an exciting new direction, we offer opportunities, support and rewards that will take you further.We’re one of the largest banking and financial services organisations in the world, with a...

Job Summary We are seeking an experiencedKong API Gateway Specialistto lead the development, implementation, and governance of our enterprise API ecosystem. This role will be responsible for establishing API governance standards, designing and managing API lifecycle processes, and driving the adoption of best practices across integration and middleware...