1,010,684+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Software Engineering Specialist

Role: Software engineering specialistLocation: London (Alternatives that will also be accepted Cheltenham, Ipswich, or Manchester)Contract: 6 MonthsDay rate: £605 Inside IR35Clearance: DV Clearance required due to nature of the projectAbout the RoleYou'll work in a ...

Software Engineering Manager

Software Engineering ManagerLocation: Southampton (Hybrid)Salary: £100,000 – £115,000 + 20% Bonus + Equity + BenefitsType: PermanentAbout the RoleWe are working with a high-performance engineering team developing advanced software solutions in a complex, R&D-driven environment. They are l ...

Software Engineering Manager Fulfilment Expansion

Overview All the details We're looking for a Software Engineering Manager to play a pivotal role in leading and evolving M&S's digital fulfilment platforms. This team provides the critical software capabilities that power fulfilment operations across the business from in-store f ...

Senior Manager / Solution Architect / Enterprise Architect

hackajob is collaborating with EY to connect them with exceptional professionals for this role.At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture, and technology to become the best version of you, ...

Software Developer C# .Net Quant Trading

Software Developer / Engineer (C# .Net) Newcastle onsite to £120k+ Join a highly regarded Financial Technology Consultancy developing sophisticated software used by Investment Banks, Hedge Funds and Asset Managers. This is an opportunity to work at the intersection of software engineering, quanti ...

Senior Manager Microsoft Dynamic 365 Finance (Solution Architect) TC UKI

At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. At EY, you’ll have the chance to build a career as ...

Senior DevOps Engineer Cloud Native & Kubernetes

London Stock Exchange is seeking a Senior DevOps Engineer to build scalable and resilient platforms for global Risk Intelligence products. You will drive innovation by implementing modern DevOps practices and enhance our cloud-native infrastructure. Your role will include automating full-stack infrastr ...

Senior Risk Engineer: Cloud Native Risk Platforms

Luxoft is seeking a Senior Risk Engineer to join their engineering team in Greater London. In this role, you will take ownership of problems ranging from high-level requirements to production deployment within the same day. The position requires strong coding abilities, architectural design, and collaboration ...

Senior Principal SoC Security Architect

Job Overview: We are looking for an SDL Architect to define and drive the Security Development Lifecycle for Arm-based SoCs. This is a strategy, governance, and leadership role. You will define how security is coordinated across the SoC lifecycle, from architecture through RTL, physical b ...

Senior AI/ML Research Engineer

This is an exciting role for a senior AI/ML Research Engineer to join a world-leading Energy Trading & Commodities company as part of their highly innovative GenAI Team. You will be responsible for designing, developing, and deploying scalable AI/ML solutions across multiple business areas. T ...

Platform Lead: Go, Kubernetes & Cloud at Scale

Stream is seeking a hands-on Lead Engineer to own the Platform and Infrastructure. You'll collaborate with a small, senior team to enhance system efficiency and reliability, focusing on cloud migration from AWS to GCP, and improving platform scalability. The ideal candidate has a strong software engine ...

Front End Developer in Coleraine MCL InsureTech Ltd

Skills and Experience Practical experience using tools such as Figma to produce mockups Knowledge of HTML5, CSS, Responsive Design, APIs Knowledge of JavaScript/Typescript software development Experience with GIT (forking, branching, merging) Responsibilities </h3 ...

Automation QA Engineer

Automation QA EngineerMiddlesbrough - HybridDo you want to help shape software that affects thousands of lives?Who are we?We are ranked as the UK’s #1 construction specific software player and ou ...

Automation QA Engineer

Automation QA EngineerMiddlesbrough - HybridDo you want to help shape software that affects thousands of lives?Who are we?We are ranked as the UK’s #1 construction specific software player and ou ...

Front end Engineer

Who we're looking forWe are looking for a passionate and talented Front-end Engineer with significant experience building web applications with TypeScript and React.js. You should have a minimum of 3 years of commercial experience, a positive attitude, and a passion for building high-q ...

Lead Control Systems Engineer – PLC/SCADA/HMI & Mentoring

Syntech Recruitment Ltd is seeking a Senior Control Systems Engineer to lead the design and development of PLC, SCADA, and HMI projects in London. This role offers an excellent opportunity for an experienced controls professional to mentor junior engineers while contributing to the growth of the team. ...

Senior Site Reliability Engineer

Senior Site Reliability Engineer – iManage SRE is part of a global organization that leverages the latest technology to communicate with our colleagues across the globe. We organize ourselves into distributed teams – SRE teams are anchored to iManage offices across the globe. Tuesdays and Thursda ...

Front Office Developer

Description :What we do… The Front Office Delivery IT team looks after the Traders, Originators and Analysts bespoke IT requirements. We provide a wide range of solutions for both commercial Decision Support and more tradition ‘IT’ based activities, such as interfacing with ...

Senior Associate Technology, Energy Trading & Risk Management (Endur)

Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting, and customer e ...

Backend Engineer: Cloud, Microservices & IoT

MarkIT Placements is currently seeking a talented Backend Engineer for a startup in London. The ideal candidate will demonstrate enthusiasm for technology and problem-solving, alongside strong leadership and communication skills. Key responsibilities include challenging engineering practices and contri ...

Backend Engineer Scale Payments Microservices (Hybrid)

Dangote Industries Limited in Greater London is seeking a skilled Backend Engineer to join their Hold team. You will contribute to developing new account types and scaling platforms that directly impact millions of customers' money management. The ideal candidate will be proficient in Java, Python, or ...

Senior Backend Engineer Fraud & Risk Systems (RSU)

hackajob is seeking a Backend Engineer in Greater London to develop a fraud engine that supports fast-paced product releases while managing risk effectively. You will collaborate with cross-functional teams, ensuring a balance between scalability and security. The ideal candidate has strong experience ...

Senior Site Reliability Engineer: Cloud & Distributed Systems

A technology firm is seeking a Principle Site Reliability Engineer to build and maintain large-scale distributed systems. Candidates should have strong proficiency in programming languages like Golang, Java, or Python, and extensive experience with cloud infrastructure such as AWS, Azure, or GCP. The role is con ...

Staff Engineer, Content Intelligence Infra — Remote

The Consulting Solutions is seeking a Staff Engineer to develop and scale foundational infrastructure for content understanding at Spotify. This role combines backend systems with machine learning, requiring strong programming skills in Java, Python, or Scala. The ideal candidate will have extensive ex ...

Principal Systems Engineer

Principal Systems Engineer – Matchtech (UK Defence Market) London, England, United Kingdom Powering Decision. Protecting the Future. Join the Cyber Team and help shape the next generation of defence and secure communication technologies. The team delivers advanced cryptogr ...

AI Engineer at Tracelight

AI Engineer at Tracelight Tracelight is a VC-backed AI operating system. Company Description Tracelight - VC-backed AI operating system. Job Description You will join a high-caliber team of ex-Jane Street and Cambridge engineers to build the AI operating system ...

Observability Engineer Dynatrace

Observability Engineer Clearance Required: SC Eligible Duration: 6 months Location: Telford - 2 days min per month IR35 Status: Mandated PAYE only Role Description: As an Observability Engineer, you will be responsible for designing, implementing, and supporting mo ...

Observability Engineer

Observability EngineerRate: £598 Clearance Required: SC Eligible Duration: 6 months Location: Telford - 2 days min per month IR35 Status: InsideRole Description: As a Dynatrace/Observability Engineer, you will be responsible for designing, implementing, and supporting monitoring s ...

Lead Backend Engineer | C# .NET, Azure SaaS | Hybrid/Remote

Client Server is seeking a Lead Backend Software Engineer in Reigate. This role involves hands-on leadership in developing a complex SaaS platform, focusing on C# and Azure technologies. You'll work with a small team, engaging in all phases of the software development lifecycle. The position offers a h ...

Senior Python Engineer: Lead Greenfield Data Platform

A fast-growing fixed income hedge fund in London is looking for a Senior Software Engineer specializing in Python. This is an exciting opportunity to join a collaborative team handling core data and software platforms. The firm offers a dynamic environment where you will take on significant responsibil ...

Lead Python Engineer: Front Office Trading

J.P. MORGAN is seeking a Lead Software Engineer in Glasgow to build secure, scalable front-office solutions that power trading workflows. You will be part of an agile team collaborating closely with traders to develop and maintain critical applications. The ideal candidate should have strong proficienc ...

Senior Windows/Desktop Architect (Remote) High Impact UX

Speechify is searching for a Senior Software Engineer to lead the development of Windows desktop applications. In this role, you will define architecture and influence the user experience for millions of people. The ideal candidate has over 3 years of experience in Windows application development, a st ...

Lead DevOps Engineer — CI/CD, Architecture & Mentoring

Sreeyam Soft Pvt Ltd in Leeds is seeking a skilled software engineer to improve the CI/CD platform, empowering over 200 engineers. The successful candidate will own the delivery of major features, lead architecture reviews, and mentor junior team members. Applicants should have 5+ years of experience i ...

Algo developer

Java, Low Latency, SOR, EMS/OMS, Linux, AWS The company This is an unmissable opportunity for an experienced Algo Developer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform spanning trading, asset management, custody and toke ...

Product Development Automation Engineer in Manchester

Job DescriptionJob Description DEKA has an exciting position for a Product Development Automation Engineer. How you will make an impact: As a member of the DEKA team, the Product Development Automation Engineer will work as member of DEKA’s innovative product design teams to speci ...

AI Fleet Platform Lead Autonomous Infra

Job Search Place Limited is seeking a seasoned leader for the Platform Developer Experience team. This role focuses on shaping AI as a core operating layer of platform infrastructure, directly enhancing software delivery for Spotify and beyond. The successful candidate will guide a team developing AI-n ...

Java SDE II Cloud, CI/CD + Leadership

Tesco UK is hiring an SDE2 to join their team in Welwyn Garden City. In this role, you will develop high-quality software solutions using Java, advocate CI/CD best practices, and mentor fellow engineers. This position is designed for career and technical growth, preparing you for advancement to SDE3. T ...

Senior.NET / C# Engineer (Exclusive, Remote)

Senior .NET / C# Engineer Senior-level role within a well-established engineering teamStack: C#, .NET, Azure, SQL, CI/CDFully remote- must be commutable to the Belfast office£65,000 to £85,000 depending on experiencePermanent position wit ...

Senior Backend Engineer Subscriptions

Overview The Subscriptions mission helps people discover the right Spotify experience for them and supports the entire journey from free to paid. Our teams build products and services that make it easier for listeners around the world to understand the value of Spotify Premium while enabling susta ...

Backend Developer

London, United Kingdom | Posted on 24/06/2026 Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of u ...

Test Engineer

Responsibilities The Access Cluster is looking for a highly skilled and motivated candidate to join the Web Platform squad (based in Belgium/London). Work on a product used by most top financial institutions in the world, key to the digital economy. Be part of a dynamic ...

Advanced Solutions Architect

iGaming:If it’s iGaming, we know a thing or two. At Light & Wonder, It’s all about the games, and our digital team leads the global iGaming market, providing jaw-dropping content and innovative software that powers the world's most successful online gaming providers.Position Summary< ...

Advanced Solutions Architect

iGaming:If it’s iGaming, we know a thing or two. At Light & Wonder, It’s all about the games, and our digital team leads the global iGaming market, providing jaw-dropping content and innovative software that powers the world's most successful online gaming providers.Position Summary< ...

Engineering Manager

Job Description Global payments are complex and ever-evolving. At Checkout our Software Engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraor ...

DevOps Engineer

Overview Rapiscan Systems is a global leader in detection technology, delivering advanced cargo and vehicle inspection systems for ports, borders, military sites, high‑security facilities, and critical checkpoints. Our solutions leverage low‑, medium-, and high‑energy X‑ray technologies to meet d ...

DevOps Engineer

DescriptionWe’re hiring a DevOps Engineer to join our Core DevOps team, building and operating the shared platforms and tooling that support engineering across Benchmark.You will focus on creating scalable, secure and automated infrastructure, enabling delivery teams to build, test and release softwa ...

Data Quality Analyst Assistant

We are bringing on a Data Quality Analyst Assistant to support a large scale project for our client, a prominent British infrastructure firm. As they migrate from older, manual tracking methods to a specialized internal database, your job is to make sure the data actually makes sense. You will be checking for er ...

High Voltage Test Engineer

We are seeking a High Voltage Test Engineer based in London with strong LabVIEW and automated test bench design experience to join a leading engineering organisation in London. This is an exciting opportunity for a genuine HV specialist to design and develop advanced high voltage test systems from the grou ...

Principal AI/ML Scientist & Engineer

We believe it takes great people to create a great product. That’s why our team lives our company values, and we hire based on them, too. Since 2010, Pipedrive has been on a mission to support sales and marketing teams with easy-to-use, powerful tools that make everyday work faster and easier. Today, our cloud-b ...

Principal AI/ML Scientist & Engineer

We believe it takes great people to create a great product. That’s why our team lives our company values, and we hire based on them, too. Since 2010, Pipedrive has been on a mission to support sales and marketing teams with easy-to-use, powerful tools that make everyday work faster and easier. Today, our cloud-b ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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