4 of 4 Remote/Hybrid Contract API Development Jobs

Lead Software Engineer (Node)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day + Inside IR-35
building and enhancing modern applications, APIs, and cloud-native services, whilst mentoring developers and promoting engineering best practice. Key Responsibilities Lead the design and development of robust, scalable software solutions Drive technical decision-making and provide guidance to development teams Develop and maintain RESTful APIs and microservices Build … quality, automated testing, and CI/CD best practices Support deployment, containerisation, and platform optimisation activities Essential Skills & Experience Strong commercial experience with Node.js API development using REST and OpenAPI Web application development using HAPI Database expertise across PostgreSQL , MongoDB , and Redis Unit testing with Jest ...

AI Platform Engineer (Sharepoint, OpenAI)

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day £480 p/d Inside IR35
ready solutions including testing, CI/CD, logging and documentation. - Provide technical leadership and mentorship to a junior engineer. Essential Skills & Experience - MCP server development and AI agent tooling - Azure OpenAI, Azure AI Search, RAG and prompt engineering - SharePoint Online and Microsoft Graph API - Hybrid semantic/vector … search - Enterprise API development and document processing - Azure (Functions and/or Container Apps) - Entra ID and OAuth/OIDC- CI/CD, testing and production support - Software engineering experience, ideally using Python and/or C#/.NET Desirable Skills - Microsoft 365 Copilot - Microsoft Purview - Enterprise knowledge ...

Senior Python Engineers - Trading & Risk | Up to £700 per day

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 Daily
working on multiple contract opportunities within leading financial services environments, spanning trading, risk and full-stack engineering. If you have extensive Python development experience and a background in high-performance trading or financial services environments, we'd love to hear from you. The opportunities We're looking for experienced … supporting trading workflows and financial markets. Risk Engineering: Building Back End services and distributed systems for risk data processing, analytics and reporting. Full-Stack Development: Building scalable applications across Back End services, APIs and Front End technologies. Financial Platforms: Improving business-critical systems, data processing pipelines and enterprise-grade ...

Back End Developer

Hiring Organisation
Lorien
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
traders in a fast-paced environment, building and optimising Back End services, APIs and databases to support trading activities. The role requires strong Python development skills, experience with FastAPI/ASGI frameworks , and a solid understanding of database performance tuning and optimisation . Key Skills: Python development FastAPI …/ASGI frameworks API design and development SQL & database optimisation Performance tuning Trading systems or financial services experience desirable This is an excellent opportunity for a developer who enjoys working directly with end users, solving complex technical challenges, and delivering high-impact solutions in a dynamic trading environment. ...