8 tech lead jobs found in London

Tech Lead / Principal Engineer – Contract Location: London Canary Wharf – 4 days onsite (no flex) Start Date: 2nd November 2026 Duration: Initial contract until 24th December, with potential extension Outside IR35 - rate depending on experience We're looking for an experienced Tech Lead / Principal Engineer to support a major financial services engagement with one of our consultancy partners. This is a senior, client-facing technical role, focused on solution architecture, systems integration and technical leadership across complex mobile and backend platforms. You'll be joining a fast-paced project, working closely with engineering teams and senior stakeholders to understand existing technology landscapes, identify architectural gaps and shape scalable, secure technical solutions. The Role Lead solution architecture and technical design across mobile applications, backend services and integrations. Assess existing systems, map technical...

Tech Lead / Architect – Ecommerce Platforms - Sitecore We are looking for an experienced Tech Lead / Technical Architect to join a leading international entertainment and leisure organisation, taking a key role across its digital and customer technology landscape. This is a senior, hands-on position spanning technology strategy, architecture and engineering, with responsibility for helping shape the future direction of web, apps, customer and marketing platforms. You will work closely with product teams, technology leadership and strategic engineering partners to define architecture, establish engineering principles and ensure solutions are scalable, resilient and cloud-first. Key experience: Strong background in digital and customer platform architecture Enterprise Sitecore experience, ideally including modern/headless implementations Strong understanding of modern web architecture and technologies such as .NET, React, Next.js Azure and cloud...

AI Architect / Tech Lead Remote-based (UK) Outside IR35 We are seeking an experienced AI Architect / Tech Lead to join an enterprise client within the energy sector. This is an outside IR35 contract, largely remote-based, offering the opportunity to design and build practical AI solutions while remaining hands-on with software engineering. The ideal candidate will combine strong software development fundamentals with expertise in cloud architecture, generative AI and agentic AI, taking solutions from design through to production. Key Responsibilities Design and develop AI solutions using LLMs, RAG, vector databases and agent orchestration frameworks. Build and deploy agentic AI solutions using tools such as LangGraph and protocols such as MCP. Develop scalable architectures across Azure and AWS, leveraging microservices, APIs and event-driven systems. Establish production-ready AI solutions, covering security, evaluation, observability, performance, scalability and cost...

AI Architect/Tech Lead Remote-based (UK) Outside IR35 We are seeking an experienced AI Architect/Tech Lead to join an enterprise client within the energy sector. This is an outside IR35 contract, largely remote-based, offering the opportunity to design and build practical AI solutions while remaining hands-on with software engineering. The ideal candidate will combine strong software development fundamentals with expertise in cloud architecture, generative AI and agentic AI, taking solutions from design through to production. Key Responsibilities Design and develop AI solutions using LLMs, RAG, vector databases and agent orchestration frameworks. Build and deploy agentic AI solutions using tools such as LangGraph and protocols such as MCP. Develop scalable architectures across Azure and AWS, leveraging microservices, APIs and event-driven systems. Establish production-ready AI solutions, covering security, evaluation, observability, performance,...

Senior Full Stack Developer - Outside IR35 - Contract - SC Essential We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the team and sharing that with the existing tech lead. The product is a note-taking and summarisation tool for use in local government, for which the remaining technical work mainly comprises infrastructure, evaluations, technical improvements, and UCD-driven product features. Must have: Experience mentoring junior developers Previously given responsibility for a chunk of delivery Comfortable working in JavaScript and TypeScript + Node Full-stack developer Nice to have: previous experience with AWS, Terraform, any UK government projects Slightly nice to have but lower priority: LLM/AI experience and Next.JS £600 per day outside IR35 Start date: 02/11/2026 End date:...

• Project Manager - 6 month contract - £400-500/day Outside IR35 We are seeking an immediately available (or on short notice) experienced Project Manager to join a global organisation in London on a 6-month Outside IR35 contract. This is a fast-paced, hands-on role delivering critical technical initiatives across several workstreams including web migration, security remediation, and identity management. Operating in a lean delivery team (approx. 10 people), you will take full end-to-end ownership - combining strong project governance (60 -70%) with hands-on Business Analysis (30 -40%) to keep complex technical workstreams moving forward without reliance on a large PMO setup. Core Responsibilities • Lead a controlled lift-and-shift migration of the public site from Salesforce Experience Cloud to Drupal, keeping strict control over scope and managing business expectations. • Support the Head of IT and internal engineers on key security projects, including...

Project Manager - 6 month contract - £400-500/day Outside IR35 We are seeking an immediately available (or on short notice) experienced Project Manager to join a global organisation in London on a 6-month Outside IR35 contract. This is a fast-paced, hands-on role delivering critical technical initiatives across several workstreams including web migration, security remediation, and identity management. Operating in a lean delivery team (approx. 10 people), you will take full end-to- • Project Manager - 6 month contract - £400-500/day Outside IR35 We are seeking an immediately available (or on short notice) experienced Project Manager to join a global organisation in London on a 6-month Outside IR35 contract. This is a fast-paced, hands-on role delivering critical technical initiatives across several workstreams including web migration, security remediation, and identity management. Operating in a lean delivery team (approx. 10 people), you will take full end-to-end...

Job Title:  Programme Test   Manager  Location:  Milton Keynes - Hybrid (3 days per week onsite) Role type:  Contract IR35:  Outside IR35 Duration : 6 months (initially) Start Date:  ASAP Security Clearance:  BPSS active ideally (if not eligibility minimum alongside eligibility for SC)   Who we are: We're an award-winning Tech Consultancy, focused in Quality Engineering on a mission to become the UK's #1.   What we do: "Champion and Engineer Quality and Software". Over the past 6 years, we've shaped and transformed our offering so that passion, precision, and attention to every minuscule detail is baked into everything we do. Born from a desire to bring automation expertise to our current and prospective clients, 5 years ago we shaped our offering.   Project Info:...