663,483+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Power Platform Engineer

Unlock the potential of Power Platform as a visionary engineer, transforming challenges into cutting-edge Automation and AI solutions. Embrace continuous learning and collaborate with global teams to shape the future of technology-driven excellence. Join us at Avanade, where creativity, innovation, and career gr ...

Senior Front End Engineer AI Products

**Job Overview** We are Citi's Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, produ ...

Senior Site Reliability Engineer (SRE)

Role: Senior Site Reliability Engineer (SRE) – Kubernetes / OKDDepartment: CloudLocation: Remote -UK (possible paid occasional travel to TIG Secure site or customer locations as required)Job Type: Full-time, Permanent </p ...

Senior Site Reliability Engineer (SRE)

Role: Senior Site Reliability Engineer (SRE) – Kubernetes / OKDDepartment: CloudLocation: Remote -UK (possible paid occasional travel to TIG Secure site or customer locations as required)Job Type: Full-time, Permanent </p ...

Senior Site Reliability Engineer (SRE)

Role: Senior Site Reliability Engineer (SRE) – Kubernetes / OKDDepartment: CloudLocation: Remote -UK (possible paid occasional travel to TIG Secure site or customer locations as required)Job Type: Full-time, Permanent </p ...

Senior Site Reliability Engineer (SRE)

Role: Senior Site Reliability Engineer (SRE) – Kubernetes / OKDDepartment: CloudLocation: Remote -UK (possible paid occasional travel to TIG Secure site or customer locations as required)Job Type: Full-time, Permanent </p ...

Senior Site Reliability Engineer (SRE)

Role: Senior Site Reliability Engineer (SRE) – Kubernetes / OKDDepartment: CloudLocation: Remote -UK (possible paid occasional travel to TIG Secure site or customer locations as required)Job Type: Full-time, Permanent </p ...

Senior Game Tech Engineer

Stuart Muckley and Martin Thomas formed Code Wizards Group back in 2002, bringing together a combined 50 years of coding and video games experience.Since then, they have assembled teams of battle-hardened veterans across both Code Wizards and Multiplayer Wizards; professional services on a missi ...

Technical Architect

Salary £30,000 - 60,000 per year Requirements Proven experience as a Lead Technical Architect, ideally in Central government. Strong background in integration architecture and platforms. Hands-on experience designing integration solutions in cloud envir ...

Senior Site Reliability Engineer

Job Description SS&C is a global financial technology and software-enabled services company that provides mission-critical solutions primarily to the financial services and healthcare industries. It is headquartered in Windsor, Connecticut, USA, and is publicly listed on the NA ...

Senior Site Reliability Engineer

Job Description SS&C is a global financial technology and software-enabled services company that provides mission-critical solutions primarily to the financial services and healthcare industries. It is headquartered in Windsor, Connecticut, USA, and is publicly listed on the NA ...

NET Developer

Salary: £45,000 - 70,000 per year Requirements A few years of commercial experience using C#, .NET framework, and SQL. Knowledge and understanding of Visual Studio IDE. Bonus points for experience with JavaScript. Experience with RESTful APIs, SOAP AP ...

Principal Engineer (.Net) up to £100,000 + Bonus Hybrid

Principal .NET Engineer (Azure / Microservices) Salary: Up to £100,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Type: Permanent A globally estab ...

Data Scientists London, England, United Kingdom

Build the Future of Air Travel with Amach Join one of the world’s fastest-growing technical teams, where innovation meets impact. We take the time to understand your skills, ambitions, and what truly drives you—because your journey matters. Amach is an industry‑leading technology‑driven c ...

Pre Sales Security Solutions Architect DevSecOps

Job SummarySenior Pre-Sales Security Solutions Architect (Application Security / DevSecOps) Hybrid | 3 days onsite)Salary £180,000–£230,000 OTE (80% Base / 20% Commission) + RSUs + Comprehensive Benefits Pab Staffing Solutions is partnering wit ...

Senior Design System PM: Platform Strategy & Cross Platform

JPMorgan Chase & Co. is seeking a Senior Technical Product Manager (Design System) to lead the strategy and execution of an internal platform used by many teams. You will own the vision and strategy spanning mobile and web, focusing on adoption, accessibility, and delivery efficiency. The ideal candida ...

Senior Technical Consultant

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. Sum ...

Principal M&E Engineer — National MEICA Strategy Lead

Canal & River Trust seeks a Principal Mechanical & Electrical Engineer to lead strategic asset management across the Trust's infrastructure. This national role supports our waterways, emphasizing safety, compliance, and engineering excellence. Your vast experience in M&E engineering will drive our main ...

Lead Backend Engineer AI & Ops Platform (Remote UK)

A tech company in the UK is looking for a Lead Backend Engineer to guide the development of a new AI-powered backend platform. This role requires at least 7 years of backend engineering experience and strong skills in mentoring. You'll collaborate with other teams to enhance workflows using AI and will lead a sm ...

SC Cleared Senior Test Engineer: Data & Automation Lead

Opus Recruitment Solutions is seeking an experienced Test Engineer based in the UK to join their team in a hybrid working arrangement. This role emphasizes the delivery of high-quality data and application solutions, focusing on automation, data validation, and system reliability. The ideal candidate w ...

Lead Infrastructure Engineer Water Recycling (@one Alliance)[1179666]

Job Title: Lead Infrastructure Engineer (Water Recycling) Location: Peterborough Benefits: 🌟 9-day working fortnight💷 Competitive pension scheme🌴 33 days annual leave🤝 Paid volunteering day each year👶 Enhanced parental leave🩺 Private medical c ...

Lead JavaScript Engineer AI Native Platform at Scale

ADLIB is seeking a Lead JavaScript Engineer to join their high-growth, product-led team. In this role, you will create and scale a modern platform used by thousands of customers. Your responsibilities include owning the architecture, guiding a team of engineers, and driving best practices. With a compe ...

Senior Process Engineer Lead High Hazard Projects (Hybrid)

Arthian Ltd. is looking for an enthusiastic Process Engineer to join their UK team. The role involves managing and leading complex design projects, ensuring safety and compliance, and mentoring team members. The ideal candidate will possess an Honours or Masters degree in Chemical or Process Engineerin ...

Senior EC&I Engineer: Power Plant Maintenance Lead

ASTUTE Technical Recruitment Ltd is seeking an Electrical, Controls and Instrumentation (EC&I) Engineer to join a leading energy company in Cardiff, South Wales. The role offers a competitive salary up to £65,000, plus bonuses and other benefits. The ideal candidate will have significant supervisory ex ...

Lead Data & AI Platform Engineer (Remote, United Kingdom)

THE JOB At Ticketmaster, we are building a digital-first customer operations ecosystem powered by data, analytics, automation, and AI. As part of the Contact Center Technology team, the Lead Data & AI Platform Engineer will play a critical role in scaling the platforms and intellige ...

Lead Infrastructure Engineer Water Recycling (@one Alliance)[1179666]

Job Title: Lead Infrastructure Engineer (Water Recycling) Location: Peterborough Benefits: 🌟 9-day working fortnight💷 Competitive pension scheme🌴 33 days annual leave🤝 Paid volunteering day each year👶 Enhanced parental leave🩺 Private medical c ...

Lead DevOps Engineer: GCP, Kubernetes, CI/CD Leader

A dynamic FinTech startup in London is seeking a second-in-command to the CTO, responsible for leading a DevOps team and optimizing cloud infrastructure. The ideal candidate will have strong expertise in GCP, Kubernetes, and Docker, alongside a passion for innovation and strategic alignment. This permanent role ...

Senior Process Safety Engineer — Lead Hazard Studies & Growth

A consulting firm specializing in process safety is looking for senior and principal level process safety engineers to join their expanding UK team. In this role, you will be responsible for delivering high-quality consultancy projects and supporting business development efforts. Ideal candidates should possess ...

Linux Enablement Software Engineering Manager

Linux Enablement - Software Engineering Manager Join to apply for the Linux Enablement - Software Engineering Manager role at Canonical Continue with Google Continue with Google Linux Enablement - Software Engineering Manager 1 week ago Be am ...

Technical Support Engineer

Technical Support Engineer A fantastic opportunity for a Technical Support Engineer to join an established and growing technology company providing highly secure software solutions to an international customer base. This role offers the chance to wo ...

Technical Support Engineer

Job DescriptionTechnical Support Engineer A fantastic opportunity for a Technical Support Engineer to join an established and growing technology company providing highly secure software solutions to an international customer base. This ro ...

Senior Design Engineer in London

Our client, a leading Civil Engineering and Infrastructure specialist, is seeking a Senior Design Engineer to join their team on major infrastructure and utility projects in London. Responsibilities of Senior Design Engineer Lead and oversee the design and verification of temporary ...

Global ABM Manager

Job DescriptionAs the Global ABM Manager you will be responsible for enabling account based campaigns globally across IFS, by providing ABM tools, processes, best practice guidance and enablement. The role will own the global ABM strategy, partner with marketing operations to deliver an A ...

Global ABM Manager

Job DescriptionAs the Global ABM Manager you will be responsible for enabling account based campaigns globally across IFS, by providing ABM tools, processes, best practice guidance and enablement. The role will own the global ABM strategy, partner with marketing operations to deliver an A ...

Engineering Manager Pay

About Phorest Would you like to create the future of a product used by thousands of businesses and millions of consumers? Phorest Salon Software powers over 11,000 hair and beauty salons in Ireland, UK, Germany, Australia, Finland, USA, Canada, UAE and Netherlands and the platform processes 7 mil ...

Sr. Security Engineer, Amazon Stores Security AppSec

DescriptionAt Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to acc ...

Software Developer Internal Compute Frameworks (Python)

Position Overview: We are seeking an experienced and passionate Software Developer to join our growing team. In this role, you will play a key part in designing, building, and maintaining Squarepoint internal frameworks, services and platforms that power our business. You will have the opportuni ...

Senior Flood Risk & Drainage Engineer

For more information on this vacancy, reach out to Jason Johns at RGB Recruitment Senior Civil Engineer / Technical Lead – Flood Risk & Drainage We are working with aa growing, independent civil engineering consultancy delivering practi ...

Workplace IT Engineer

Workplace IT Engineer (2nd Line Support)West London | Ongoing Temporary Contract | ASAP Start£174 per day PAYE or £225 per day UmbrellaFull time site based role with as this is supporting the wider members of the team with both hardware a ...

Workplace IT Engineer

Workplace IT Engineer (2nd Line Support)West London | Ongoing Temporary Contract | ASAP Start£174 per day PAYE or £225 per day UmbrellaFull time site based role with as this is supporting the wider members of the team with both hardware a ...

Workplace IT Engineer

Workplace IT Engineer (2nd Line Support)West London | Ongoing Temporary Contract | ASAP Start£174 per day PAYE or £225 per day UmbrellaFull time site based role with as this is supporting the wider members of the team with both hardware a ...

Senior Developer

Role Purpose The Senior Front-end Developer is responsible for designing and delivering the React front end for a greenfield field-service platform that enables auditors to accept jobs, review task information, complete inspections, and produce audit reports. The role combines hands-on en ...

Mechanical Engineer – Life Sciences Instrumentation

About Portal BiotechPortal Biotech is developing next-generation bench-top instruments for proteomics, building on decades of in-house expertise in nanopore technology. By analysing full-length protein molecules at the single-molecule level, our platform delivers rapid, real-time information on protei ...

Senior Mechanical Engineer Job, Leeds

Are you a Senior Electrical Engineer looking to take the next step in your career? This is an exciting opportunity to join a growing building services consultancy where you'll lead the design and delivery of a wide range of projects while developing towards a management role. As a Senior Electrical Enginee ...

Senior Electrical Engineer Job, Leeds

Are you a Senior Electrical Engineer looking to take the next step in your career? This is an exciting opportunity to join a growing building services consultancy where you'll lead the design and delivery of a wide range of projects while developing towards a management role. As a Senior Electrical Enginee ...

Senior Mechanical Engineer

Are you a Senior Mechanical Engineer looking to take the next step in your career? Join a growing building services consultancy in Leeds, where you'll work on complex and rewarding projects while developing towards a leadership role. As a Senior Mechanical Engineer, you'll lead the design and deliv ...

Senior Software Architect Aerospace & Systems Leadership

Leonardo Worldwide Corporation is hiring for a Chief Software Engineer based in Luton, UK. The role involves overseeing technical aspects of software development for fixed, drone, and rotary programs, ensuring compliance and delivering innovative solutions. The ideal candidate will possess integrity in ...

Hardware Engineer

Hardware Engineer LOCATION: Dundee, UK POSITION SUMMARY & KEY AREAS OF RESPONSIBILITY We are seeking an enthusiastic and creative Hardware Engineer with a strong background in Mechanical Engineering to join our Product Engineering team in Dundee. This role focuses on the design, ev ...

Electronics Engineer Consultant

Awerian is a part of the TTP Group, based in green surroundings within a purpose-built facility close to Cambridge. Breakthrough technology is vital for strengthening UK Defence and Homeland Security. As an Electronics Engineer at Awerian, you will be at the forefront of this innovation race and s ...

SaaS Monitoring Engineer CGEMJP00345837

Role Title: SaaS Monitoring Engineer Duration: Contract to run until 18/12/2026 Location: London Hybrid, 3 days onsite Rate: Per day depending on experience (Umbrella in side IR35) Clearance required: BPSS Role Purpose / Summa ...

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