Lead Software Engineer Java Spring Boot React Jobs in UK

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

Embedded Software Engineer

A dynamic and expanding engineering company, leading the way in advanced technical solutions, is seeking an experienced Embedded Software Engineer. The primary focus of the role is developing C++ code for embedded electronic systems and products. The Role Design and ...

Senior Software Engineer

Senior Software Engineer Surrey On-Site Working £60,000–£70,000 We are currently partnering with a specialist engineering organisation operating within the Defence sector who are looking for a Senior Software Engineer to join their established engineeri ...

Software Engineer AI

Software Engineer specialising in AI Grimsby £70k to £80k per annum… Principal IT are working exclusively with a leading financial organisation based in Grimsby who are looking to begin their AI development function in house now the ground work has been done by an outside ...

Senior Software Engineer

Senior Software Engineer Snyk | Intelligence (Remote, UK) About Snyk Snyk is a leader in secure, AI-powered software development, enabling millions of developers to build quickly while staying secure. Our AI-native Developer Security ...

Senior Software Engineer

*CANDIDATES MUST BE ELIGIBLE FOR SC CLEARANCE* What you'll be doing: Building and configuring applications in a Microsoft Dynamics / Power Platform stack Documenting and refactoring complex programs/scripts. Ensurin ...

Software Engineer QEC

Metric has partnered with a leading quantum technology company developing next-generation quantum computing systems to hire a Quantum Software Engineer specialising in Quantum Error Correction (QEC)... hiring at the Senior level to! This role focuses on building the foundations of fault-tole ...

Senior Software Engineer

Senior Software Engineer (.NET / Azure) £45,000 - £60,000 + Benefits Birmingham (Hybrid -1 day every 2 weeks, with occasional onsite workshops) Synchro are partnering with a growing, private equity-backed organisation to hire a Senior Software Engineer into a high-impact team d ...

Software Engineer (.NET)

Software Engineer (.NET) We’re looking for a talented Software Engineer to join our engineering team and help deliver high-quality software solutions across a range of modern Microsoft-stack projects. This is a hands-on role where you’ll work closely with engineers, delivery teams, and st ...

Software Test Engineer

Security cleared Software Test Engineer – (Embedded Systems) Luton HQ (Four days a week) Up to £71 p/h Inside IR35 *We are not looking for Automation Test, QA, Software Test Engineers, SDETS or Test Engineers without SC and experience testing Embedded Systems ...

Principal Software Engineer

Principal UI Engineer (React) — Confidential Client | Hybrid, Belfast Our client is one of the world's largest interdealer brokers and data providers, operating at the centre of global financial markets. Their Belfast engineering hub is home to some serious technical talent — and they're now ...

Sr. Software Engineer

About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Bett ...

Principal Software Engineer

Winchester (Hybrid, 4 days per week in the office) Are you an experienced software engineer looking to take principal-level ownership of a complex, real-world distributed system used across security and critical infrastructure environments? This is a senior technical role within a special ...

Software Application Engineer

Join a team at the forefront of underwater robotics innovation. In this role, you’ll design and deliver cutting‑edge software solutions that power the next generation of subsea vehicles. Working at the intersection of advanced engineering and real‑world application, you’ll contribute to systems that operat ...

Principal Software Engineer

Principal Software Engineer (C#) | London | £110,000-£130,000 Peaple Talent is working with a fast-growing UK fintech that is transforming how customers access financial services through modern, technology-driven solutions. We’re looking for a Principal Software Engineer to play a key rol ...

Software Engineer Rust

The Orders & Fulfilment Team The Orders & Fulfilment team sits at the heart of Nando’s UK & Ireland digital ecosystem. We design, build, and operate the core Online Ordering Platform that powers millions of customer journeys from browsing and ordering through to fulfilment and delivery. O ...

Software Test Engineer

Key Skills: Implementation of Checkmarx ZAP and DAST pipeline integration We at Coforge are hiring for Security Test Manager with the following skillset: Build, scale, and maintain ZAP-based DAST pipelines across all API and UI (including assisted channels – build on Powerplat ...

Software Test Engineer

Developing detailed test cases based on software requirements to validate functionality. Running test cases manually or using automated tools to verify software behavior and quality. Identifying, documenting, and prioritizing defects found during testing for resolution. ...

Software Engineer (Integrations)

Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting‑edge tech‑driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging modern technologi ...

IPM Software Engineer

At Bosch Rexroth, we are at the forefront of the industrial hydraulics industry, delivering precision-engineered solutions for our customers. Our team is driven by a commitment to quality, innovation, and customer success. We believe in empowering our people, fostering an environment where ownership and co ...

Software engineer, intern

At Bending Spoons, we’re striving to build one of the all-time great companies. A company that serves a huge number of customers. A company where team members grow to their full potential. A company that functions at unparalleled levels of effectiveness and efficiency. A company that creates value for shar ...

Principal Software Engineer

Build modern products. Not legacy patches. We’re hiring a Principal Software Engineer to help shape and scale high-performance web applications using Next.js and React . This isn’t a maintenance role. This isn’t a ticket factory. You’ll have real ownership. Re ...

Software Engineer (.NET)

Software Engineer (.NET) As a mid-level Software Engineer, you will help shape how this new squad operates, collaborates, and delivers outcomes from day one. What It Really Feels Like Here We are a high‑accountability, high‑performing, fast‑paced engineering function. Our ways o ...

Software Firmware Engineer

Software / Firmware Engineer Location: Canterbury Type: Full-Time, Permanent We are seeking a Software/Firmware Engineer to join our engineering team, contributing to the development, enhancement, and testing of new technology-driven products. This opportunity is ideal for someone ...

Software Validation Engineer

Software Validation & Verification Engineer Location - Sandwich, Kent Benefits Profit sharing scheme Stakeholder pension Death in service scheme Employee rewards and recognition initiatives The Role An opportunity ...

Senior Software Engineer

Senior Software Engineer (.NET) - £90k + bonus | Consultancy | Leeds/hybrid In an AI-driven world, the consultants who’ll thrive aren’t just technical experts. They’re the people who can influence, identify opportunities and turn conversations into long-term partnerships. < ...

Senior Software Engineer

Take ownership of software used to test complex defence systems. This is a strong move if you want deeper technical scope and clear progression in a structured engineering environment. What you will need • British nationality required • Strong C or C++ develo ...

Senior Software Engineer

Position: Senior Software Engineer Location: London – 2 days onsite Salary: Open to discuss Fintop Consulting has partnered with an AI Health-tech partner based in Central London who is looking to hire a Senior Backend Engin ...

Embedded Software Engineer

If you’re passionate about pushing the limits of embedded software and want your work to have a direct impact on next-generation space systems, this could be for you. We’re working with a pioneering space technology company developing AI-enabled autonomy software for spacecraft </str ...

Prinicpal Software Engineer

Principal Software Engineer London - Hybrid Up to £140k + bonus We're working with a profitable, engineering-led fintech that builds software used by investment firms to manage reporting, data, and client-facing outputs. Their platform ...

Staff Software Engineer

Staff Software Engineer | Golang & TypeScript/React | London (Hybrid) | Agentic AI £120,000 + equity (flexible depending on experience) We’re working with a fast-paced, early-stage startup building an agentic AI product designed to automate complex ...

Embedded Software Engineer

Organisation Hover, Inc is an emerging leader in the development of integrated hardware and software computing platforms, and a custom ARINC 653 compliant Real Time Operating System (RTOS) with custom development tools and an ARINC 615A Data Loader. Hover, Inc is developing inn ...

Embedded Software Engineer

Job Title: Senior Embedded Engineer Overview A technology-focused organisation is seeking a Senior Embedded Engineer to join a multidisciplinary engineering team developing complex embedded systems. The role involves working on com ...

Embedded Software Engineer

Senior Embedded Software Engineer now needed in Malvern to join world leader in advancing safeguarding technologies. *** Salary £48 to £50k plus benefits*** Super opportunity for a skilled Embedded Software Engineer with good academics and circa 5yrs of relevant Embedded C/C++ experi ...

Senior Software Engineer

Senior Core Systems Developer Remote - UK or Europe About us At Auros, we’re dedicated to advancing the cryptocurrency ecosystem through unparalleled liquidity and market-making services. We’re one of the large ...

Embedded Software Engineer

Position: Embedded Software Engineer Salary: Up to £60,000 Location: York (Hybrid working available) Our client offers an exciting opportunity to play a central role in developing and delivering software for international pr ...

Senior Software Engineer

Have you built low-latency, high-performance systems and want to work at the cutting edge of crypto trading infrastructure? Senior Software Engineer (C++) – Crypto Trading Salary: up to £185k + bonus + RSUs Location: Full ...

Senior Software Engineer

Senior Software Engineer (.NET / C#) | Greenfield Systems Rebuild | Remote | £80,000–£100,000 This is a hands-on senior engineering role with real technical authority. You will be the lead engineer and technical decision-maker on a greenfield rebuild of a mission-critical s ...

Principal Software Engineer

Principal Software Engineer Tadcaster, UK | Global Engineering Projects Are you a senior automation software leader who thrives on complex challenges and real‑world impact? At Mpac , we design and deliver world‑class automat ...

Senior Software Engineer

Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year ...

Software Verification Engineer

Software Verification Engineer An exciting opportunity is available for an experienced Software Verification and Validation Engineer to join a highly regarded engineering organisation working on advanced, safety-critical systems. This role sits within a specialist e ...

Senior Software Engineer

Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading? This is a chance ...

Senior Software Engineer

We’re working with a technology‑driven organisation reinventing how operations are conducted, building systems that are safer, smarter, and dramatically more environmentally responsible. Location: London or Porto The Role We’re seeking a Se ...

Staff Software Engineer

Staff Software Engineer – AI/ML (Agentic AI) Engineering | UK Remote / London (hybrid) Overview My client is a fast-growing, product-led technology company investing heavily in AI and next-generation machine learning solutions. They ar ...

Staff Software Engineer

Staff Machine Learning Engineer – AI/ML Information Extraction Remote (Or Hybrid If London based – 2 days) Company Overview My client is a fast-growing, product-led technology business operating within a specialist professional services sect ...

Principal Software Engineer

Fastest Growing Start-up in the UK | Defense We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, with backgrounds from t ...

Senior Software Engineer

Senior Software Engineer - £80k + bonus + shares | SustainbleTech | Yorkshire/hybrid What is SustainableTech? Eco-Tech, Environmental Tech, Green Tech etc are tech business' that build products designed to promote sustainability and ultimately h ...

Senior Software Engineer

Senior Spacecraft Software Engineer Glasgow, UK - Hybrid £85,000 - £100,000 Depending on experience & Qualifications We are proud to be supporting a world-leading space-to-cloud analytics company in their search for a Senior Spacecraft Software Engineer. Because this engagement ...

Cloud Software Engineer

Our Client is hiring a Cloud Software Engineer to build and maintain the cloud layer that supervises and monitors fleets of autonomous industrial vehicles. This is a key role enabling fleet visibility, operational dashboards, and scalable deployments across Europe and North America. This is not embedde ...

Senior Software Engineer

Senior Spacecraft Software Engineer Glasgow, UK - Hybrid £85,000 - £100,000 Depending on experience & Qualifications We are proud to be supporting a world-leading space-to-cloud analytics company in their search for a Senior Spacecraft Software Engineer. Because this engagement ...

Senior Software Engineer

Senior Software Engineer Are you a developer who loves building products, not just features? Do you thrive at the intersection of robust backend logic, intuitive frontend interfaces, and conversational AI? Are you excited to join a fast-growing, seed-funded st ...

🚀 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 Java Spring Boot React Jobs in United Kingdom Job Search Guide, Trends and Insights