12 api developer jobs found

Job Overview We are currently seeking a .NET Developer for a contractor role based in our UK office. The .NET Developer will be designing, developing, and testing software applications. Additionally, they will maintain existing codebases, troubleshoot issues, and collaborate with cross-functional teams. P92 has been appointed as an External Software Development Partner. The ideal candidate will have a strong technical background, with expertise in modern .Net stack, and possess a systems-thinking approach to understand the entire process comprehensively. The ideal candidate will be an experienced .Net contractor that is able to switch context quickly and hit the ground running. We expect a positive attitude, along with a high level of commitment and responsibility, to be agile and dedicated to high quality work. Education BSc / MSc degree in Computer Science, Information Engineering or a related subject or equivalent experience Experiences Minimum 3-5...

About IconicShift IconicShift AI is building a platform that turns founder intent into usable strategic outputs — clear strategies, investor-grade pitches, and practical roadmaps. It is based on the experience of Mike Harris, founding CEO of First Direct (the world’s first telephone bank), founding CEO of Egg (the world’s first internet bank), and CEO of Mercury Communications (that created some of the UK’s first mobile and cable networks). Most founders don’t fail because they lack ideas or options. They fail because their thinking drifts and they can’t afford the experienced support they need. Their story changes, priorities multiply, and the business loses its single direction. Most AI approaches just help them fail faster by accelerating rushed decisions. IconicShift works by creating a single source of strategic truth, where every decision is tracked and held to account. It refuses to move forward without explicit acceptance of core strategic bets, ensuring...

About Us: ISTARI is a strategic cybersecurity advisory company with a bold vision; to curate the defining cybersecurity ecosystem of our time, uniting enterprise, academia, government, and innovators to build collective resilience. At the heart of this mission, ISTARI helps clients achieve lasting organisational cyber resilience by convening and applying world-class talent, expertise, and innovation through a uniquely powerful network, with ISTARI as the central orchestrator. ─────────────────────────────────────────────────────── The Opportunity: We are seeking an entrepreneurial, AI-native developer to join ISTARI as a contract developer and help transform how we deliver our consulting work. You will be the founding technical resource responsible for building a suite of AI-powered internal tools that dramatically improve productivity across our Advisory practice.   This is not a traditional development role. You will be expected to leverage AI coding...

Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot...

SAP Specialist/Architect A ‘can do’ pragmatic attitude that is delivery focussed and able to withstand project pressures due to tight timescales and complex IT ecosystems whilst working as part of a multi-disciplined project team. Excellent communication skills - capable of engaging both technical and non-technical audiences with the ability to articulate complex scenario, problems in a manner that is tailored for a given audience from stakeholders to developers. Willingness to take ownership of problems and subsequently resolve them by consulting and approving solutions with relevant stakeholders, business, solution architects & SME’s Work in tandem with other SAP Specialists to managing & influence stakeholders across a broad range of levels to achieve a consensus and champion delivery. Ensure solutions follow Client’s architecture principles, security standards, and financial governance requirements. Demonstrate pragmatism...

500-550 Outside IR 35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Scrumconnect is a trusted digital delivery partner to UK government departments and public sector bodies. We specialise in building user-centred digital services that improve lives. Our multidisciplinary teams bring together experienced technologists, designers, researchers, and strategists to solve complex challenges and drive meaningful impact in the public sector. Role Overview We are looking for an experienced Solution Architect to lead the design and delivery of digital case management and dispute resolution platforms. You will play a key role in shaping cloud-native architectures, enabling AI automation, and driving compliance within government frameworks. The ideal candidate brings deep expertise in solution architecture within the public or legal sector...

Full Stack (React & .NET) Developer - 9 months Contract Upto £650 Per Day Inside Location: London/Hybrid About the Role: Our capital markets practice is seeking a skilled and motivated Full Stack Developer with strong experience in React and .NET technologies and a passion for building scalable, cloud-native applications to work with a leading investment bank. You will be responsible for designing, developing, and maintaining both Front End and Back End components of our clients enterprise-grade solutions, with a strong emphasis on Azure cloud services. Split is 75% Front End - 25% Back End - Mainly UI Focused. 2-3 Days a week on site in London. Key Responsibilitie Develop and extend Front End UI (React/Node.js) to improve operational visibility Refactor and enhance the data ingestion engine to improve flexibility, configurability, and auditability Build and maintain independent data pipelines to pull data from multiple systems...

Job Information Date Opened 24/03/2026 Job Type Contract Work Experience 5+ years Industry Government & Public Sector Salary 500-550 Outside IR 35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Scrumconnect is a trusted digital delivery partner to UK government departments and public sector bodies. We specialise in building user-centred digital services that improve lives. Our multidisciplinary teams bring together experienced technologists, designers, researchers, and strategists to solve complex challenges and drive meaningful impact in the public sector. Role Overview We are looking for an experienced Solution Architect to lead the design and delivery of digital case management and dispute resolution platforms. You will play a key role in shaping cloud-native...

SAP Specialist/Architect A ‘can do’ pragmatic attitude that is delivery focussed and able to withstand project pressures due to tight timescales and complex IT ecosystems whilst working as part of a multi-disciplined project team. Excellent communication skills - capable of engaging both technical and non-technical audiences with the ability to articulate complex scenario, problems in a manner that is tailored for a given audience from stakeholders to developers. Willingness to take ownership of problems and subsequently resolve them by consulting and approving solutions with relevant stakeholders, business, solution architects & SME’s Work in tandem with other SAP Specialists to managing & influence stakeholders across a broad range of levels to achieve a consensus and champion delivery. Ensure solutions follow Client’s architecture principles, security standards, and financial governance requirements. Demonstrate pragmatism...

SAP Specialist/Architect A ‘can do’ pragmatic attitude that is delivery focussed and able to withstand project pressures due to tight timescales and complex IT ecosystems whilst working as part of a multi-disciplined project team. Excellent communication skills - capable of engaging both technical and non-technical audiences with the ability to articulate complex scenario, problems in a manner that is tailored for a given audience from stakeholders to developers. Willingness to take ownership of problems and subsequently resolve them by consulting and approving solutions with relevant stakeholders, business, solution architects & SME’s Work in tandem with other SAP Specialists to managing & influence stakeholders across a broad range of levels to achieve a consensus and champion delivery. Ensure solutions follow Client’s architecture principles, security standards, and financial governance requirements. Demonstrate pragmatism...

We are seeking a Business Analyst to focus on AI solutions. In this role, you will identify opportunities to enhance client journeys, improve financial outcomes, automate processes, and integrate AI capabilities within a greenfield project across key financial services functions. AI Business Analyst London x3 Days on-site £450-550pd Inside emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our...

SAP Specialist/Architect A ‘can do’ pragmatic attitude that is delivery focussed and able to withstand project pressures due to tight timescales and complex IT ecosystems whilst working as part of a multi-disciplined project team. Excellent communication skills - capable of engaging both technical and non-technical audiences with the ability to articulate complex scenario, problems in a manner that is tailored for a given audience from stakeholders to developers. Willingness to take ownership of problems and subsequently resolve them by consulting and approving solutions with relevant stakeholders, business, solution architects & SME’s Work in tandem with other SAP Specialists to managing & influence stakeholders across a broad range of levels to achieve a consensus and champion delivery. Ensure solutions follow Client’s architecture principles, security standards, and financial governance requirements. Demonstrate pragmatism when industry best practise...