1,937,552+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Senior Full Stack Engineer: Build Scalable AI Data Platform

Encord is seeking an experienced engineer to enhance platform performance and reliability. As a key player in a collaborative team, you will drive projects from backend to frontend, ensuring robust and maintainable solutions. The role requires proficiency in full-stack development, particularly with Py ...

Senior Full Stack Engineer: Build Scalable Web & Cloud Apps

trg.recruitment, based in Greater London, is seeking a Senior Full Stack Engineer to develop and refine its innovative data platform. You will be crucial in both frontend and backend development, delivering high-quality applications while mentoring junior team members. Ideal candidates should have 6+ y ...

Senior Full Stack Engineer — Vue/Laravel, Build Scalable Apps

KyLeads, located in Full Sutton, is seeking a Senior Full Stack Software Engineer to design and implement scalable application architectures. The ideal candidate has over 4 years of experience and a Bachelor’s degree in computer science. You will work with technologies like Vue.js and Laravel while ensuring c ...

AI Driven Full Stack Engineer | Cloud, ML & Global Impact

Persistent Systems is hiring for a full stack development position in Glasgow, focusing on building and maintaining scalable web applications using Java, Python, or Node.js. The role involves collaborating with Data Scientists to deploy AI/ML models into production and optimizing database management through S ...

Hybrid Full Stack JS Engineer – Secure, Scalable Web Apps

Frontier Resourcing is hiring Full Stack JavaScript Developers to work in a hybrid environment throughout the UK. The role offers a salary between £50,000 - £80,000 plus benefits and focuses on building secure digital products for mission-critical defense projects. The ideal candidate will have strong ...

Full Stack Engineer: Route Optimization & ML in the Cloud

Investigo is looking for a full-stack developer to join their Birmingham team, focusing on developing innovative software and machine learning for vehicle logistics. This role encompasses both backend and frontend development responsibilities, including optimising performance and maintaining code quality. </p ...

Full Stack Support Engineer — APIs, Production, & Automation (Cambridge Onsite)

Insight Global is seeking a Full Stack Support Engineer for a technology client in Cambridge, UK, for a 12-month contract. The position demands 3 days onsite weekly, focusing on maintaining and supporting a production-level application. Responsibilities include backend engineering, frontend development ...

Full Stack Engineer (Forward Deployed) Digital Client Experience Marsh

Description: Full-Stack Engineer (Forward Deployed) — Digital Client Experience - Innovation & Applied AI - MarshMarsh is hiring a full-stack engineer to join our Innovation & Applied AI team within the DCX initiative, focused on building a competitive digital platform. The ...

Full Stack Engineer – AI, Cloud & Client Delivery (UK Travel)

Accenture is seeking experienced engineers for their Software & Platform Engineering team to develop digital products collaboratively. You will engage directly with clients, delivering on full-stack engineering projects across various domains while leading delivery with a focus on quality and efficiency. ...

Senior Full Stack Engineer: AI‑driven, PHP/Python, AWS

hedgehog lab is looking for a Senior Full Stack Engineer to join their product team, working on a leading procurement platform. This role involves extensive use of PHP/Laravel and contributions toward a modern Python architecture. You will have a flexible working environment with options to work from h ...

Full Stack Engineer, Climate Tech — End to End Ownership

A Climate Tech company in Bristol is seeking a Full-Stack Developer to contribute to their innovative platform aimed at reducing carbon emissions and improving energy efficiency. In this role, you'll work within a dynamic team using React and Typescript, and have the opportunity to influence system architecture ...

AI Real Estate Full Stack Engineer — Equity & Impact (London)

Jack & Jill, a high-growth London startup, is seeking a Full-Stack Engineer to architect and build end-to-end systems. This role offers the chance to work on a transformative AI agent layer for the real estate industry, backed by top-tier investors. The ideal candidate will have expertise in Python and ...

Senior Full Stack AI Engineer for Enterprise IT Helpdesk

Sivara GmbH is seeking a Senior Full-Stack AI Engineer to build an AI-powered helpdesk product for enterprise users. This role requires strong full-stack engineering skills and commercial experience with languages like Python and Node.js. The position mandates working onsite in Sheffield three days per week. ...

Senior Full Stack AI Engineer for Enterprise IT Helpdesk

Sivara GmbH is seeking a Senior Full-Stack AI Engineer to build an AI-powered helpdesk product for enterprise users. This role requires strong full-stack engineering skills and commercial experience with languages like Python and Node.js. The position mandates working onsite in Sheffield three days per week. ...

Remote Full Stack Engineer — .NET/Vue for Public Sector

Brio Digital is seeking an experienced Full Stack Software Engineer with expertise in .NET and Vue.js to join a public sector digital transformation project. This role is primarily remote, requiring two days per month onsite in Leeds or London. Ideal candidates will have strong full-stack development s ...

Senior Full Stack Engineer — London (3x/wk Onsite) + Equity

Role: Senior, Staff & Principal Engineers Salary range: £90-150k (+equity) Location: Central London (x3 days per week onsite – Tue/Wed/Thurs) Tech stack includes: Typescript, React, MaterialUI, NodeJS, Postgres, AWS (Serverless) Current tea ...

GenAI Full Stack Engineer Consultant / Senior Consultant Digital Excellence

Your Role Join our team as a key player in building cutting‑edge GenAI full‑stack applications. In this role, you will: Collaborate with the team to develop GenAI proof‑of‑concepts (POCs) for clients using technologies like Retrieval‑Augmented Generation (RAG) and intelligent agents ...

Staff Engineer

Overview Staff Engineer / Principal Engineer / Lead Engineer - Full Stack Hybrid working: On-site one day per week Lead Forensics is a leading UK based SAAS company with products in the B2B sales and marketing space. We’re seeking a Staff level full stack Software Engineer / S ...

Lead Software Engineer — Scale, Cloud & Leadership

DWP Digital is seeking a Lead Software Engineer to oversee engineering teams within the Health & Disability area. You'll lead teams to deliver modern digital services by establishing engineering standards and practices. Your role impacts the delivery of services supporting citizens at key moments in their liv ...

Lead Software Engineer Robotics Backend, Equity

Sivara GmbH is looking for a Lead Software Engineer in Greater London, UK. You will collaborate with a talented team to create cutting-edge solutions for hardware design. Your role involves software development, working closely with product teams and engineers to address challenging technical problems. <p ...

Lead Software Engineer, Fintech Platform & AI

J.P. MORGAN is seeking a Lead Software Engineer in Greater London to enhance technology products in the Commercial & Investment Bank. The role requires hands-on experience with programming, especially in JavaScript and C#, and proficiency in modern development practices. The successful candidate will c ...

Senior Software Engineer Architecture Lead (Hybrid)

Onyx-Conseil is seeking a Senior Software Engineer in Taunton for a hybrid role. You will take ownership of the architecture and technical direction, developing high-quality software for demanding automated environments. The ideal candidate has strong experience in C#, WPF, and software design principl ...

Sr Lead Software Engineer KDB+ / Q

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank you are an integral part of an agile team that works to enhance, build, and deliver trusted m ...

Lead Software Engineer Mentor, Architect & Deliver

Microlise is looking for a Lead Software Engineer based in Langley Mill, United Kingdom. This role involves mentoring junior engineers and driving technical excellence in a diverse team. You will work with technologies such as Angular, .Net, and C#. The candidate should possess strong coaching abilitie ...

Lead Powertrain Controls Embedded Software Engineer

Lotus UK Manufacturing is seeking a Lead Engineer for the powertrain controls department at its Hethel facility. The position involves developing control systems for high-performance vehicles, requiring a strong background in manual C-code authoring and powertrain strategies. With a focus on automotive innovatio ...

Lead Engineer Powertrain Controls Embedded Software

Lotus Cars is renowned for crafting world-class, high-performance, and lightweight sports cars that are celebrated across the globe. Lotus Cars Limited serves as the company’s manufacturing HQ in the UK, where we proudly produce iconic models such as the Emira and the all-electric Evija. As ...

Lead PLC Software Engineer: Automation & Commissioning

Occupop is seeking a Principal Software Engineer based in Tadcaster, England. This role involves leading the software delivery for complex automation projects, ensuring compliance with software design specifications, and guiding engineers through the development and commissioning process. The ideal can ...

Staff Software Engineer — Lead Architect & DevSecOps

Marks and Spencer in Greater London seeks a skilled Software Engineer to join their team. The role emphasizes developing scalable solutions that align with M&S’s ambitious growth plans. As part of the Transport team, you will lead on software development, technical guidance, and mentorship to engineers. < ...

Lead Software Engineer: Cloud SaaS & Modernization

Centaur Labs is looking for a Senior Software Engineer to strengthen and modernize its automation solutions. In this role, you'll collaborate with a distributed team to design and develop complex enterprise applications, employing Java, Spring Boot, and AWS technologies. The ideal candidate will have e ...

Lead Software Engineer Cloud Platform Engineering

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. ...

Lead Software Engineer — Scale, Cloud & Leadership

DWP Digital is seeking a Lead Software Engineer to lead and influence engineering in their Health & Disability area. In this strategic role, you will shape how modern digital services are built across various teams, enhancing standards and practices. You will be part of the senior leadership team, driv ...

Lead Software Engineer, FinTech AI & Cloud

JPMorgan Chase & Co. in Greater London is hiring a Lead Software Engineer to enhance technology products in the Commercial & Investment Bank Technology team. You will guide an agile team, focusing on innovation and operational stability while fostering a diverse and collaborative environment. The ideal ...

Lead Principal Software Engineer, AI & Platform

Liberty Information Technology Limited seeks a Principal Software Engineer to lead agile teams in Belfast. In this role, you will tackle complex challenges and contribute to strategic technology initiatives, including AI innovation. The position requires extensive experience in software development, le ...

Senior Software Engineer — Lead, Mentor & Build

hackajob is seeking a Senior Software Engineer in Belfast to develop high-quality solutions that delight customers and impact users worldwide. You will be part of a diverse, ambitious team focused on collaboration and innovation. The role requires proficiency in developing modern software applications ...

Principal Software Engineer Hybrid Tech Lead

Prattwhitney is seeking a Principal Software Engineer for a full-time position in Manchester with a hybrid working model. You will design and develop software solutions while mentoring junior team members within our cross-functional team. The role requires full-stack experience with popular frameworks ...

Lead GPU Driver & System Software Engineer

MediaTek Research Lab Inc. in Cambourne, UK, is seeking engineers to develop next-generation GPU technologies. You will work on GPU driver development and optimization for various industry-standard APIs, collaborating with Architecture and Compiler teams to achieve maximum performance. The role require ...

Lead Software Engineer REST, SQL & Mentoring

Aucerna, based in the City of London, is looking for a skilled Team Lead Developer to manage a team of developers. This role involves designing intuitive application workflows using WPF and creating RESTful APIs. Candidates should have over 8 years of experience in either C# or Java, along with strong ...

Lead Software Engineer for Engineering Analysis

Rolls-Royce SMR Limited is seeking a Lead Specialist in Software Development to provide technical leadership in enhancing engineering analysis through innovative software solutions. This role offers flexible working, requiring attendance at key sites including Warrington, Derby, or Manchester. The idea ...

Lead Software Engineer Python, Databricks, AWS

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Join our innovative External Regulatory Financial Control (ERFC)/Strategic Data team at JPMorganChase where we leverage cutting-edge technology to drive data-driven decision-making and en ...

Lead C# Software Engineer Industrial Automation

Infinitesima Limited is seeking a Senior Software Engineer (C#) based in Abingdon, England, to deliver high-quality software for industrial automation. The role emphasizes technical leadership, mentoring, and collaboration across engineering teams. The ideal candidate will have a strong C# development ...

Lead Software Engineer: Options Algorithmic Trading

JPMorganChase seeks a Lead Software Engineer in Greater London to enhance its electronic trading business. In this role, you will design and optimize cutting-edge algorithmic trading engines while collaborating with talented professionals committed to delivering scalable solutions. The ideal candidate ...

Lead Software Engineer, FX Payments Tech

TwinThread is looking for a Lead Software Engineer in Wholesale Payments, FX Payments Tech to shape the future of payments technology. Join an agile team to build secure and scalable technology products while collaborating with talented colleagues. Your role will include designing software solutions, d ...

Lead Software Engineer Cloud Platform Engineering

LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 01/21/2025, 02:09 PM Locations LONDON, LONDON, United Kingdom Job Schedule Full time </ ...

Lead Software Engineer Python AI LLM

London, Greater London | £100k - £125k per year Lead Software Engineer / Developer / Consultant (Python AI LLM) London / WFH to £125k Are you an experienced Software Engineer with a strong knowledge of AI, LLMs and agentic coding? You could be progressing your career at a ...

Staff Software Engineer — Lead Platform Architect

A financial technology company in London is seeking a Lead Engineer to shape the future of investments by developing scalable systems. The successful candidate will have a strong background in system architecture and programming, lead technical projects, and mentor teams. This role offers a competitive salary, h ...

Lead Software Engineer FIXED INCOME UK

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within the Commercial and Investment Bank - Post Trade Technology Group, you are an integral part of an agil ...

Lead Software Engineer AI Powered FinTech

United States Digital Space LLC is seeking a Lead Software Engineer in Greater London. In this role, you will impact technology products within the Commercial & Investment Banking sphere, focusing on innovative software solutions and operational excellence. The ideal candidate will have extensive exper ...

Lead Software Engineer Gov Cloud / AI

We are seeking a Lead Software Engineer - Cloud Operations to support and scale its U.S. Government Cloud Operations (USGov CloudOps) platform within Microsoft Azure Government. This role is critical to ensuring the availability, security, resiliency, and compliance of mission critical SaaS services suppor ...

Lead Software Engineer Data & Cloud Platforms

Schroders is seeking an Engineering Lead to join their Client Engagement and Digital Content Platforms Team in London, United Kingdom. The ideal candidate is a proficient engineer with experience in cloud-native platforms and aims to foster a collaborative engineering culture. The role encompasses arch ...

Senior Software Engineer – Defence Systems Lead

Cicor Group is seeking a talented Senior Software Engineer to join our dynamic Programmes Division in Gosport. In this crucial role, you will lead software development efforts, ensuring high-quality solutions for our defence programmes. The ideal candidate will have a degree in Software Engineering or ...

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    Lead Software Engineer Full Stack Java React Jobs in United Kingdom Job Search Guide, Trends and Insights