11 of 11 Remote/Hybrid Contract API Development Jobs

Lead Java Developer

Hiring Organisation
Montash
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
global consultancy delivering a high-priority programme for a public sector client and are seeking a hands-on technical lead to oversee a small development team, drive delivery, and uphold high engineering standards. Scala experience is highly desirable, but the client is open to a strong Lead Java Developer … willing to learn Scala on the job. This is an opportunity to combine technical leadership with hands-on development in a complex, mission-critical environment. Key Details Location: Fully remote Contract: 12 Months - Inside IR35 Security: Active SC clearance is mandatory Key Responsibilities Lead and manage a team ...

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 ...

Full Stack Java Developer (+ TypeScript)

Hiring Organisation
Montash
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
project built on a modern full-stack technology set, including: Backend: Java, Spring Boot Frontend: React, Next.js, TypeScript Cloud: AWS (including Lambda) Wider engineering: API development, microservices, CI/CD pipelines, and containerisation (Docker/Kubernetes) Key Responsibilities Design, develop and maintain Back End services using Java … Spring Boot. Apply strong TypeScript expertise across Front End development and serverless functionality. Build responsive, user-friendly interfaces using React and Next.js. Develop and maintain AWS Lambda functions as part of a wider cloud-based architecture. Build and integrate APIs and microservices. Contribute to CI/CD pipelines ...

Contract Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
Duration: 3 months IR35 Status: Outside Our client requires an experienced contract Full Stack .NET Developer to support an established organisation with the ongoing development and maintenance of a enterprise business-critical application. This is a hands-on contract opportunity, ideal for a developer who is comfortable working within … Work with existing codebases, ensuring changes are maintainable and minimise regression risks. Support application testing, bug fixing and controlled releases. Collaborate with the existing development team to deliver requirements efficiently. Provide technical support and troubleshooting for live application issues. Essential Skills & Experience Strong commercial development experience with C# ...

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 ...

Infrastructure Python Developer

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £402/day
/2026 Rate £402 Job Description: Python developer responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations … rollouts Build and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across scripting, APIs, and containerized environments. Containerize and deploy application/services using Docker and Kubernetes Administration for Kubernetes Resources (Pods, Ingress, Services, Secrets, CRDs, etc) Nice to have Exposure on enhancing observability with ...

Python Developer - Inside IR35 - Up to £700 per day - Hybrid

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Back End services Maintain high code quality through testing, reviews and best practices Mentor junior developers where required Required Skills Strong Core Python development experience Experience with enterprise trading and risk platforms (eg Quartz, SecDB, Athena, Kanon, Beacon or similar) Strong SQL and large-scale data handling expertise Pandas … NumPy for data processing and analytics REST API development using Flask, FastAPI or Django Strong understanding of performance optimisation and scalable systems Unix/Linux and Shell Scripting experience Domain Experience Investment Banking or Capital Markets background Experience across Market Risk, CCR, PnL, Trade Lifecycle and Reconciliations Knowledge ...

Lead Full Stack Developer (React & C# .NET)

Hiring Organisation
TXP
Location
City, Birmingham, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 500 Daily
experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … rebuilding, and greenfield UX. Essential Skills & Experience Extensive commercial experience as a Full Stack Developer . Strong expertise in React and modern front-end development practices. Strong experience with C#/.NET and back-end API development. Experience designing and developing enterprise-grade applications. Proven experience working ...

Lead Full Stack Developer (React & C# .NET)

Hiring Organisation
TXP
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Contract, Temporary
Salary
£450 - £500/day Outside IR35, Remote work
experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … rebuilding, and greenfield UX. Essential Skills & Experience Extensive commercial experience as a Full Stack Developer . Strong expertise in React and modern front-end development practices. Strong experience with C#/.NET and back-end API development. Experience designing and developing enterprise-grade applications. Proven experience working ...

React Technical Lead

Hiring Organisation
TXP
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500 per day + Outside IR35, Remote work
will need very strong React skills with recent .Net C# experience also. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … build - there are existing components that needs rebuilding, and greenfield UX. Essential Skills & Experience Strong Front end/React expertise in modern front-end development practices. Experience as a Full Stack Developer - also need strong experience with C#/.NET and back-end API development. Experience designing ...

React Technical Lead

Hiring Organisation
TXP
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Contract, Temporary
Salary
£500/day Outside IR35, Remote work
will need very strong React skills with recent .Net C# experience also. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … build - there are existing components that needs rebuilding, and greenfield UX. Essential Skills & Experience Strong Front end/React expertise in modern front-end development practices. Experience as a Full Stack Developer - also need strong experience with C#/.NET and back-end API development. Experience designing ...