Senior Backend Engineer - Python Outside IR35 Hybrid - Oxford or London | Contract Our client, a UK-based deep tech start-up, is seeking an experienced Senior Backend Engineer (Python & Django or Flask) to own and operate mission-critical backend services powering More ❯
Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can More ❯
We re seeking a versatile Backend/AI Developer with hands-on experience delivering end-to-end solutions from concept to production. The ideal candidate brings strong expertise in Java (Spring Boot) and Python, with the ability to build scalable microservices, SaaS platforms, and AI-powered applications. You should be proficient in cloud platforms such as AWS and GCP, and … seamlessly integrate advanced AI capabilities into scalable enterprise systems, making you a key contributor to building the next generation of intelligent, secure, and high-performance applications. Backend/AI Developer Key Skills & Competencies Core Development: Hands-on experience in taking solutions from concept to production, with strong expertise in Java (Spring Boot) and Python for backend and AI-driven application … enable scalable, interoperable systems. Frameworks & Tools: Backend: Spring Boot (web, data, cloud, security), JUnit 5, Mockito, database integration. AI: LangChain, Retrieval-Augmented Generation (RAG), MCP servers (as consumer and developer), and prompt engineering for LLM optimization. Exposure to popular libraries and frameworks (Apache Commons, Guava, Swagger, TestContainers). Architecture & Platforms: Skilled in designing and deploying distributed systems on cloud hyperscalers More ❯
We’re seeking a versatile Backend/AI Developer with hands-on experience delivering end-to-end solutions from concept to production. The ideal candidate brings strong expertise in Java (Spring Boot) and Python, with the ability to build scalable microservices, SaaS platforms, and AI-powered applications. You should be proficient in cloud platforms such as AWS and GCP, and … seamlessly integrate advanced AI capabilities into scalable enterprise systems, making you a key contributor to building the next generation of intelligent, secure, and high-performance applications. Backend/AI Developer – Key Skills & Competencies Core Development:Hands-on experience in taking solutions from concept to production, with strong expertise in Java (Spring Boot) and Python for backend and AI-driven application … enable scalable, interoperable systems. Frameworks & Tools:Backend: Spring Boot (web, data, cloud, security), JUnit 5, Mockito, database integration. AI: LangChain, Retrieval-Augmented Generation (RAG), MCP servers (as consumer and developer), and prompt engineering for LLM optimization. Exposure to popular libraries and frameworks (Apache Commons, Guava, Swagger, TestContainers). Architecture & Platforms:Skilled in designing and deploying distributed systems on cloud hyperscalers More ❯
We’re seeking a versatile Backend/AI Developer with hands-on experience delivering end-to-end solutions from concept to production. The ideal candidate brings strong expertise in Java (Spring Boot) and Python, with the ability to build scalable microservices, SaaS platforms, and AI-powered applications. You should be proficient in cloud platforms such as AWS and GCP, and … seamlessly integrate advanced AI capabilities into scalable enterprise systems, making you a key contributor to building the next generation of intelligent, secure, and high-performance applications. Backend/AI Developer – Key Skills & Competencies Core Development: Hands-on experience in taking solutions from concept to production, with strong expertise in Java (Spring Boot) and Python for backend and AI-driven application … enable scalable, interoperable systems. Frameworks & Tools: Backend: Spring Boot (web, data, cloud, security), JUnit 5, Mockito, database integration. AI: LangChain, Retrieval-Augmented Generation (RAG), MCP servers (as consumer and developer), and prompt engineering for LLM optimization. Exposure to popular libraries and frameworks (Apache Commons, Guava, Swagger, TestContainers). Architecture & Platforms: Skilled in designing and deploying distributed systems on cloud hyperscalers More ❯
Frontend Developer Key Skills & Competencies End-to-End Development: Hands-on experience taking applications from concept to implementation, delivering high-quality, user-focused solutions. Core Frontend Skills: Proficient in TypeScript, React, HTML5, and CSS3, with the ability to build scalable, maintainable, and performant interfaces. Testing & Quality Assurance: Experience with Jest and related testing practices to ensure reliable and well-tested More ❯
Frontend Developer – Key Skills & Competencies End-to-End Development: Hands-on experience taking applications from concept to implementation, delivering high-quality, user-focused solutions. Core Frontend Skills: Proficient in TypeScript, React, HTML5, and CSS3, with the ability to build scalable, maintainable, and performant interfaces. Testing & Quality Assurance: Experience with Jest and related testing practices to ensure reliable and well-tested More ❯
Reading, Oxfordshire, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
Contract AI Software Developer Duration: 6 months IR35 Status: Outside IR35 Location: Fully Remote Working Our client is seeking a skilled contract AI Software Developer to help shape and deliver artificial intelligent solutions in a modern .NET environment. You will be working fully remote and will focus on leveraging cutting edge AI tools across multiple areas of their exciting product … clean code, and distributed systems. Comfortable working remotely, independently, and asynchronously in a contract role. Strong communication skills to collaborate with team members and stakeholders. The contact AI Software developer must have previous AI and .Net commercial experience to be suitable for the role. For more information, please submit an updated copy of your CV by applying to the advert. More ❯
Reading, Berkshire, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
Contract AI Software Developer Duration: 6 months IR35 Status: Outside IR35 Location: Fully Remote Working Our client is seeking a skilled contract AI Software Developer to help shape and deliver artificial intelligent solutions in a modern .NET environment. You will be working fully remote and will focus on leveraging cutting edge AI tools across multiple areas of their exciting product … clean code, and distributed systems. Comfortable working remotely, independently, and asynchronously in a contract role. Strong communication skills to collaborate with team members and stakeholders. The contact AI Software developer must have previous AI and .Net commercial experience to be suitable for the role. For more information, please submit an updated copy of your CV by applying to the advert. More ❯
Kidlington, Oxfordshire, South East, United Kingdom Hybrid / WFH Options
Data Careers
Role: Developer - C#.Net/SQL Server (FTC) Location: Remote, (candidates must be based in the UK) Duration: FTC until September 2027 Salary: £40K + a comprehensive range of Employee Benefits, (including 13.5% Pension, Blue Light Card scheme and a wide range of travel and shopping discounts) Key Skills: .Net, C#, SQL Server, XML. XSLT, API's. Why Apply: Joining a More ❯
Our client is looking for a Domain Optimization Developer to work full time onsite in Wokingham on a 6 month initial contract. This role has been deemed Inside IR35. Essential skills/knowledge/experience: Understanding of data collection, preprocessing and analysis Experience using statistical computer languages (Python, etc.) to manipulate data and draw insights from large data sets. Python More ❯
Reading, Berkshire, England, United Kingdom Hybrid / WFH Options
Involved Solutions
Salesforce Developer - Contract - Inside IR35 - Remote Rate : Up to £500 per day IR35 : Inside Duration : 6 months Location : Remote The role :A leading Government organisation are seeking a Senior Salesforce Developer, with demonstrable experience of building effective business solutions using Salesforce technologies.This is an initial 6-month contract, remote and Inside IR35. Skill & Experience Requirements: Experience in Salesforce development, including … Apex, Visualforce, and Lightning Components. Salesforce Developer certification (e.g., Salesforce Certified Platform Developer I/II) is highly desirable. Hands-on experience with Salesforce integrations using REST/SOAP APIs, web services, and middleware tools. Demonstrable experience of building effective business solutions using Salesforce technologies Ability to communicate effectively with both technical and non-technical colleagues. Experience working in agile More ❯
Contract PHP + Vue Developer Location: 3 Days per Week in Oxford Office? Duration: 3 Months? IR35 Status: Outside IR35? Rate: £250–£300/dayOpus is working with a fast-paced start-up. If you're a full-stack developer who thrives on clean code, collaborative teams, and modern frameworks—this one's for you!??? Tech Stack PHP (Laravel/ More ❯
Bracknell, Berkshire, United Kingdom Hybrid / WFH Options
Reed Technology
Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment. Day-to More ❯
Bracknell, Berkshire, United Kingdom Hybrid / WFH Options
Reed Technology
Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment. Day-to More ❯
