6 api developer jobs found in Hybrid, greater london

We are looking for a Lead Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with product and platform teams. You will work across modern backend services built in Kotlin, rich frontend applications using React and Next.js with TypeScript, and cloud-native infrastructure on Azure or AWS.   This is an initial 6 month contract (outside iR35) that requires you onsite in London Paddington 3 days a week.   Key Responsibilities Lead the design and development of full-stack solutions, balancing backend robustness with high-quality user experiences Build and maintain backend services using Kotlin, following clean architecture and best practices Develop modern, performant frontends using React, Next.js, and TypeScript Take...

Senior Systems Integration Test Analyst Rate: £375pd (Inside IR35) Duration: 3 months initially Location: London (Hybrid, 3 days per week onsite)   Are you a highly experienced Senior Systems Integration Test Analyst with a proven track record in end-to-end technical systems validation? At Ten10, we’re a leading consultancy in Quality Engineering, Software Testing, and DevOps, and we’re looking for someone like you to join us on an interim basis for a challenging and impactful project.   The Role: Specialist in Back-End Systems Integration You will play a crucial role in ensuring that our client’s integrated back-end systems meet the highest standards of quality. This role is highly focused on the technical depth of systems integration and requires a proactive, inquisitive approach to testing in a dynamic environment.   We need a candidate who is naturally inquisitive, is comfortable asking...

Role Overview: Leads the design, development, and deployment of intelligent, scalable AI applications leveraging LLMs, advanced RAG, and agentic AI frameworks. This role requires a strong blend of data science acumen, AI product design, and cloud-native full-stack architecture expertise, particularly within the Azure ecosystem.    The ideal candidate will have proven experience delivering production-grade AI systems, leading multidisciplinary teams, and shaping the AI strategy within enterprise environments.    Key Responsibilities:   Architect and develop intelligent applications using state-of-the-art LLMs (e.g., Gemini, OpenAI, Mistral) for tasks such as summarization, generation, Q&A, and reasoning Lead the integration of agentic AI frameworks (e.g., LangGraph, CrewAI, AutoGen) to build autonomous or semi-autonomous systems for complex workflows  Define and enforce scalable patterns for deploying AI/ML...

Senior Systems Integration Test Analyst Rate: £375pd (Inside IR35) Duration: 3 months initially Location: London (Hybrid, 3 days per week onsite)   Are you a highly experienced Senior Systems Integration Test Analyst with a proven track record in end-to-end technical systems validation? At Ten10, we’re a leading consultancy in Quality Engineering, Software Testing, and DevOps, and we’re looking for someone like you to join us on an interim basis for a challenging and impactful project.   The Role: Specialist in Back-End Systems Integration You will play a crucial role in ensuring that our client’s integrated back-end systems meet the highest standards of quality. This role is highly focused on the technical depth of systems integration and requires a proactive, inquisitive approach to testing in a dynamic environment.   We need a candidate who is naturally inquisitive, is comfortable asking...

DevOps Engineer (6 Month Contract) Hybrid - 1 Day Onsite in London Competitive Day Rate (Outside IR35)   About BigHand   BigHand offers technology solutions for busy legal professionals that provide data and insights to increase value and profits. Through our expert knowledge and innovative technology, we enable our customers to achieve enhanced efficiency, better decision-making and harness their competitive edge.   We build with tomorrow in mind, transforming ideas into action and empowering our customers to succeed in a world of constant change. We make big happen for our customers.   We are a business driven by our values and have these at the centre of everything we do. Our BigHanders are dedicated to building a culture where We Win Together, We Love to Learn, We Do the Right Thing, We Own It and We Find the Fun.   What you’ll do   Actively promoting DevOps ways of working and SRE...

Senior Systems Integration Test Analyst Rate: £375pd (Inside IR35) Duration: 3 months initially Location: London (Hybrid, 3 days per week onsite)   Are you a highly experienced Senior Systems Integration Test Analyst with a proven track record in end-to-end technical systems validation? At Ten10, we’re a leading consultancy in Quality Engineering, Software Testing, and DevOps, and we’re looking for someone like you to join us on an interim basis for a challenging and impactful project.   The Role: Specialist in Back-End Systems Integration You will play a crucial role in ensuring that our client’s integrated back-end systems meet the highest standards of quality. This role is highly focused on the technical depth of systems integration and requires a proactive, inquisitive approach to testing in a dynamic environment.   We need a candidate who is naturally inquisitive, is comfortable asking...