2,240,980+ Full Stack Tech Lead Node Js React Java Script Jobs in UK — Top Companies Hiring June 2026

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Principal Data Engineer — GenAI & LLM Systems Lead

Anaplan Inc is looking for a Principal Data Engineer to work across the full stack of Anaplan AI applications. This role includes designing and building retrieval layers for agentic workloads and developing GenAI features that enhance real-time planning workflows. The ideal candidate will have deep kno ...

Cloud Native Fullstack Engineer: Python + Angular

A leading technology consultancy in the United Kingdom is seeking a Full Stack Python Developer to join their strategic digital programmes. The role involves working with backend systems using Python and frontend frameworks like Angular, focusing on scaling and modernizing applications hosted on GCP Kubernetes. ...

Senior Software Engineer Cloud Native & Secure Systems

Prattwhitney in Warminster seeks a Senior Software Engineer to join their OMNIA® Training team. You will be pivotal in delivering cloud-hosted systems and hands-on full stack engineering. The ideal candidate will work collaboratively across teams, developing secure and scalable applications. Benefits i ...

Senior Software Engineer – Hybrid UK, Impact & Growth

A leading DevOps company is looking for experienced software engineers to shape the direction of its engineering team. The role offers a hybrid work model with a focus on trust and collaboration, allowing you to make an impact from day one. Candidates should have strong hands-on development experience across the ...

AI Driven Forward Deployed Engineer for Cloud Modernization

A leading software company in Greater London is seeking a skilled Forward Deployed Engineer to drive application modernization and AI adoption. This hybrid role requires strong full-stack capabilities and experience with AWS. You will be embedded within various application teams, providing technical leadership a ...

Production AI Engineer Enterprise Ops + Equity

A high-growth AI implementation firm in London is seeking an AI Engineer to bridge frontier AI and real-world business operations. In this role, you will deploy production-grade AI systems for various clients while collaborating with experienced founders. The ideal candidate has over 4 years of full-stack softwa ...

Founding AI Engineer Build Trial Automation Systems

A promising AI startup is seeking a Founding Engineer in London to build and scale AI agents for clinical trial recruitment. This role involves architecting and managing complex systems, driving engineering projects, and collaborating with experts. The ideal candidate has over 3 years of full-stack engineering e ...

Market Data Developer Global Crypto Trading (C++)

A trading firm in Greater London is seeking a Software Engineer, Market Data to develop full-stack software systems supporting global trading operations. The ideal candidate will have significant expertise in C++ and Python, with experience designing high-performance applications. Responsibilities include workin ...

Kubernetes & Cloud Native SME for Pre Sales

A leading software company in Greater London is seeking a Cloud Native Specialist to act as a technical expert in Kubernetes and container orchestration. This role involves collaborating with sales teams to ensure clients achieve full-stack observability in dynamic environments. Candidates should have over 5 yea ...

Founding Product Engineer Equity & Enterprise Impact

Plan:it is seeking a Founding Engineer in Central London to join a pioneering team focused on engineering workforce planning solutions. The role requires strong full-stack TypeScript skills and the ability to interact directly with enterprise customers. As part of a rapidly growing startup, you will ha ...

Payments Sales Leader – Hybrid & Uncapped Commissions

Join 0026 Checkout Technology Ltd as a Payments Sales Manager in Greater London. This role is critical in driving growth by selling our full payments technology stack to companies of various sizes. You'll be responsible for advising clients, closing sales, and maintaining a strong relationshp with key ...

Backend Engineer in London LA International Computer Consultants Ltd

Staff-Level Full-Stack Software EngineerLocation: 108 E 16th Street, New York, NY 10003Salary: £130,000 - 143,000 per yearRequirements:Strong experience building secure, scalable backend systems in Python and/or GoDeep understan ...

Software Engineer — Materials Innovation & Smart Manufacturing

Cranleigh Scientific Ltd is looking for a Software Engineer – Advanced Materials & Manufacturing based in Oxford. This role offers an exciting opportunity to work on pioneering software solutions that enhance manufacturing processes and material performance. The ideal candidate should possess strong fu ...

Remote Go/Golang Backend Engineer — Contractor

YO IT Consulting is seeking experienced Software Engineers to work remotely on training and evaluating AI systems through real-world software engineering tasks. Ideal candidates have over 5 years of strong backend or full-stack experience and can clearly communicate engineering decisions. Responsibilit ...

Senior Product Engineer: End to End AI Platform

Dex is looking for a product engineer to join a small, senior team focused on developing an AI-native platform. You will own features end-to-end and translate customer needs into delivered products, working closely with users to understand their pain points. This role requires strong full-stack enginee ...

CAE Software Engineer (C++/Python) Agile & Remote Options

Advanced Design Technology Ltd is seeking a Software Engineer to join our dynamic development team based in Central London. This role will involve full stack development on Windows, implementing cutting-edge features using C++ and Python in an Agile environment. The ideal candidate will have a degree i ...

Remote .NET & Backend Engineer (Contractor, 10–12 hrs/wk)

YO IT Consulting is seeking experienced software engineers to help train and evaluate next-generation AI systems. This remote role focuses on real-world software engineering tasks that require strong judgment and clear communication of engineering decisions. The ideal candidate will have over 5 years o ...

Enterprise AI Deployment Engineer — UK & Europe

Ithina is looking for a Forward Deployment Engineer (FDE) to work closely with enterprise customers across the UK and Europe. This role involves designing, building, and deploying solutions that integrate Ithina's AI platform into real-world operations. You will be responsible for technical guidance, t ...

Backend Engineer: Scale AI Systems + Stock Options

Platform Recruitment is seeking a Software Engineer with a strong ability to build scalable and performant systems, offering up to £160,000 in London. This role includes a mix of backend and full-stack responsibilities, collaborating with product and ML teams, and mentoring junior members. The ideal ca ...

Senior AI Engineer EdTech Platform, End to End

Multiverse is seeking an AI Engineer to join their new engineering team focused on building AI-native products. You'll take ownership of agent features, design retrieval strategies, and shape the technical direction within your domain. Successful candidates will demonstrate a depth of knowledge in AI e ...

Principal AI Engineer – Multi Agent Systems

Multiverse is seeking a Principal AI Engineer in Edinburgh, UK. You will own AI agent architecture, ship production agents, and drive technical strategy within a new engineering team. You'll have the opportunity to shape how Multiverse builds with AI and influence engineering standards. The ideal candi ...

Frontend & Systems Engineer, Physical AI (3D/WebGL)

Encord in Greater London is seeking a skilled Full-Stack Engineer to develop and optimize high-performance frontend experiences. The successful candidate will tackle complex data challenges and work with cutting-edge technology in a collaborative environment. Key responsibilities include end-to-end own ...

Senior PHP 7 & Laravel Developer

PAW Associates is looking for a PHP Developer to join their Technology Solutions Group in London City. In this role, you will maintain a custom content management system, work on full-stack web development, and support the global marketing team. The ideal candidate has a strong foundation in PHP, Larav ...

IT Support Engineer — Windows & 365, On‑Site Travel

So Code Limited is looking for an IT Support Engineer to join their internal IT team. Based in the East Midlands, this role involves providing user support across multiple sites, including both 1st and 2nd line assistance. The ideal candidate will have strong experience with Microsoft technologies and ...

Staff Software Engineer — Platform & Warehouse Systems Lead

Marks & Spencer Plc in Westminster is seeking a software engineer to join their Warehouse Continuity team. The role involves developing robust software solutions for their Supply Chain & Logistics systems, providing technical leadership, and mentoring engineers. The candidate should have a proven background i ...

Summer Software Engineering Intern — Real‑World Robotics

Humanoid in Greater London is looking for Software Engineering Interns for a full-time summer internship. You will work on real-world systems across different parts of the software stack, contributing to backend systems, APIs, and product development. Ideal candidates have a strong interest in software engineeri ...

London based AI Software Engineer Sustainability Platform

Open CEDA is seeking a software engineer specializing in AI to join their sustainability AI reporting team. The role involves building an AI tool for sustainability reporting and requires collaborating with product and engineering teams. Candidates should have over 2 years in AI-powered product develop ...

Senior M365 Solutions Architect & Copilot Studio Lead

Wipro is seeking a highly skilled M365 Architect to join their dynamic team in the United Kingdom. The ideal candidate should have a strong background in Microsoft full stack technologies such as Exchange, Intune, SharePoint, and Teams, along with extensive experience in designing and implementing solutions. ...

Product Embedded Data Scientist with GenAI Prototyping

Capgemini in Birmingham seeks a Full-Stack Data Scientist to transform complex operational data into insights and develop lightweight products that reshape service delivery. Your role involves collaborating with product teams, leveraging GenAI tools, and conducting deep-dive data analyses. You will wor ...

Enterprise AI Engineer: Build Production AI Systems

Gravity Engineering Services Pvt Ltd. seeks an AI Engineer to build and deploy sophisticated AI systems for enterprise clients. The role offers hands-on experience, working directly with industry leaders to transform workflows and enhance profit margins. The ideal candidate has over 4 years of full-sta ...

AI Powered B2B Sales Pro — Hybrid + Equity

Blend in Reading is seeking Sales Representatives to sell a modern B2B growth stack to mid-market technology companies. You will take charge of the full sales cycle, supported by AI tools, and refine your sales skills in an innovative environment. The role offers an OTE of £80,000 with benefits like 25 ...

Software Engineer Degree Apprenticeship: Cloud & AI

Reply is offering a Degree Apprenticeship in Software Engineering, focusing on digital technology solutions in the defense sector. The role, based in Bristol, combines software engineering skills with cloud innovation and AI, encompassing full technology stack development. Candidates should have or expect a m ...

UX Researcher Hybrid London, Impactful Discovery

News Corporation is seeking a hands-on UX Researcher to join their Product Design team in London. This role involves owning customer research to enhance user experiences and collaborating closely with editors and product teams. The ideal candidate has experience with full-stack UX research, usability testing, ...

Founding Product Engineer — YC Backed AI Startup (Ownership)

Oho Group is looking for a Founding Product Engineer to join their YC-backed AI start-up in London. This role offers the chance to take genuine ownership and directly influence product and company growth. The ideal candidate has 1-5 years of experience as a Product or Full Stack Engineer, with a passio ...

Principal Solutions Architect

About Retool Nearly every company in the world runs on custom software for critical operations like tracking performance metrics, handling customer support workflows, building admin dashboards, and countless other processes you might not have even thought of. But most companies don't have adequat ...

Principal Solutions Architect

About Retool Nearly every company in the world runs on custom software for critical operations like tracking performance metrics, handling customer support workflows, building admin dashboards, and countless other processes you might not have even thought of. But most companies don't have adequat ...

Senior Systems Developer (Python/PostgreSQL)

Senior Systems Developer (Python/PostgreSQL) Job Location: Woolpit. Additional Location Information: Salary: Competitive. Contract type: Permanent. Posting End Date: 10/07/2026. At BUUK Infrastructure, our vision is to be the leading utility partner to accelerate the UK towards net zero for ...

Senior Brand Motion Designer

Pony is a London-based branding agency that specialises in building impactful brand identities and digital experiences for tech companies worldwide. We work with startups and scale-ups to create brands that don't just look great – they drive growth, attract investment, and stand out in competitive mark ...

IT Technician West Yorkshire Immediate requirement

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.IT TechnicianLocation: West ...

Senior Technical Architect

Hybrid working model - remote and on-site as required Overview Ministry of Justice is seeking an experienced Senior Technical Architect to support Legal Aid Agency on a temporary consultancy engagement. The role provides architectural leadership across digital services that enable both ...

Service Engineer

£50k- £60k - Monday to Friday Location: UK Wide Employment Type: Full time, Permanent You'll like this one it's a genuinely varied, hands-on engineering role with real autonomy, modern tech, and the chance to support a groundbreaking product that's transforming sus ...

Service Engineer

£50k- £60k - Monday to Friday Location: UK Wide Employment Type: Full time, Permanent You'll like this one it's a genuinely varied, hands-on engineering role with real autonomy, modern tech, and the chance to support a groundbreaking product that's transforming sus ...

Service Engineer

£50k- £60k - Monday to Friday Location: UK Wide Employment Type: Full time, Permanent You'll like this one it's a genuinely varied, hands-on engineering role with real autonomy, modern tech, and the chance to support a groundbreaking product that's transforming sus ...

Service Engineer

£50k- £60k - Monday to Friday Location: UK Wide Employment Type: Full time, Permanent You'll like this one it's a genuinely varied, hands-on engineering role with real autonomy, modern tech, and the chance to support a groundbreaking product that's transforming sus ...

Head of Residential Property Law

Head of Residential Conveyancing (10+ PQE) This is not a steady-state role. This is a build-and-scale opportunity. We’re working with a high-growth, modern law firm that is deliberately investing in its residential conveyancing offering and is now looking for a senior leade ...

Head of Residential Property Law

Head of Residential Conveyancing (10+ PQE) This is not a steady-state role. This is a build-and-scale opportunity. We’re working with a high-growth, modern law firm that is deliberately investing in its residential conveyancing offering and is now looking for a senior leade ...

Operations Director

Overview Our partner is looking for an experienced Operations Director to take full ownership of operations across our growing retail footprint. This role requires someone who can be hands-on when needed but also structured and process-driven enough to lay the foundation for sustainable grow ...

Service Engineer

£50k- £60k - Monday to Friday Location: UK Wide Employment Type: Full time, Permanent You'll like this one it's a genuinely varied, hands-on engineering role with real autonomy, modern tech, and the chance to support a groundbreaking ...

Associate Building Structures

**What if you could do the kind of work the world needs?** At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse persp ...

Senior Marketing Manager, OrangeDoor

Our CompanyOrangeDoor, an Unbridled company, is an award-winning events and experience agency that enables brands to create meaningful impact and growth through events. We work globally with some of the world’s most respected, innovative and successful organisations, helping changemakers inspire and influenc ...

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    Full Stack Tech Lead Node Js React Java Script Jobs in United Kingdom Job Search Guide, Trends and Insights