1,954,845+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 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

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 ...

Senior Java Engineer

Join to apply for the Senior Java Engineer role at IBM Introduction At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with leading profession ...

Middle Frontend Engineer (Remote)

About InvestEngine We’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 140,000 clients trust us with more than £2 billion in assets — and we’re growing fast. We’ve been featured by Forbes, MoneyWeek, and Finder. About the Role We’re ...

DevOps Engineer

DevOps Engineer | AWS | Serverless £65,000–£70,000 + 10% bonu sAre you a DevOps Engine er looking to take real ownership and influence how modern cloud platforms are buil t?This is a hands‑on role where you’ll help drive ...

DevOps Engineer

DevOps Engineer | AWS | Serverless £65,000–£70,000 + 10% bonu sAre you a DevOps Engine er looking to take real ownership and influence how modern cloud platforms are buil t?This is a hands‑on role where you’ll help drive ...

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 ...

Senior Software Engineer (Machine Learning Quality Assurance)

Requirements Applicants for this role should have strong experience designing, developing, and maintaining high-quality software systems The ideal candidate is an experienced software engineer who values code quality, testability, and long-term maintainability, and enjoys building ...

Senior Front End Developer

London, United Kingdom | Posted on 17/09/2025 Segmentify is an e-commerce personalization platform helping online retailers to optimise their conversion rates by enabling them to deliver a unique shopping experience for each visitor. Segmentify tracks each individual visitor’s behaviour ...

Senior Software Developer, Developer Platform

Job DescriptionAs a Senior Software Developer, you will build and maintain the core infrastructure and tools that empower our development teams to deliver high-quality software efficiently and reliably.The developer platform team forms part of the wider Platform Engineering department and is ...

Apple Engineer

Role Summary Apple Engineer – London, 6‑month assignment. As an Apple Engineer, you will set up and manage a fleet of corporate MacBooks through software, ensuring they remain secure and compliant. The project is currently in its pilot stage, so you will play a pivotal role in establishin ...

Technical Lead

Tech Lead Manchester (Hybrid) £85,000 - £95,000 + Bonus + Additional Benefits The Business This is one of the world's most renowned financial services organisations. They have just received significant investment to grow the Manchester function and are now looking for te ...

Senior Frontend Engineer

Role summary A product-minded senior frontend engineer who thrives in fast-growth environments, owns features (and their quality) end-to-end, and uses agentic development workflows to ship faster. Works closely with product and design, not just executing tickets. Responsibilities < ...

Java Developer

Brunswick, a global marine leader, is seeking a Full Stack Developer to join the Web Team in Southampton, UK. Location: Southampton, UK Workplace Category: Hybrid Travel Required: under 10% Direct Reports: None Relocation: Not available Position Overview A ...

Senior Technical Consultant

Overview 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’re currently seeking a Senior Technical Consultant to join our Professional Services team in Manchester . Re ...

Solutions Architect

Requirements This is an exciting opportunity for a deeply technical professional passionate about AI and customer success to make a significant impact in a fast-paced, innovative environment 7+ years of experience in a customer-facing technical role with at least 2 years in a pre- ...

Umbraco Developer

We're supporting a client on a security-cleared government consultancy project and are looking for an experienced Full Stack Umbraco Developer to join the team on a 6-month contract.Key Responsibilities: Deliver production-ready Umbraco-based websites and apps</l ...

Software Engineering Team Leader

Software Engineering Team LeaderTitle: Software Engineering Team LeaderDepartment: Procode ITLocation: Hybrid commutable distance of our Chandlers Ford or OxfordOfficeSalary: Circa £60k + Discretionary Bonus SchemeSponsorship: Unfortunately, we are unable to ...

Software Engineering Team Leader

Software Engineering Team LeaderTitle: Software Engineering Team LeaderDepartment: Procode ITLocation: Hybrid commutable distance of our Chandlers Ford or OxfordOfficeSalary: Circa £60k + Discretionary Bonus SchemeSponsorship: Unfortunately, we are unable to ...

Software Engineering Team Leader

Software Engineering Team LeaderTitle: Software Engineering Team LeaderAll the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description.Department: Procode ITLocation: Hybrid commutable distance of our Chandle ...

Simulation Engineer

The Role As a Simulation Software Engineer , you will own substantial parts of the simulation capability that makes continent-scale defence training feel like the real world. Your work will ship into customer exercises, live demonstrators and integr ...

Senior Software Engineers/Development Team Lead/Tech Leads (x5 roles) – C#, .NET, Fullstack, Az[...]

About the Opportunity We are hiring five exceptional Senior Software Engineers / Development Team Leads / Tech Leads for one of the UK’s fastest‑scaling, best‑funded and most forward‑thinking software scale‑ups . This company builds an advanced AI‑powered platform used by some of t ...

Senior Software Engineer (AI HealthTech) Up to £100k + Bonus + Equity FULLY REMOTE

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE Client: AI HealthTech Scale-Up – Backed by Top‑Tier Investors, Led by World‑Class Engineers Salary: Up to £100k + Bonus + Equity Location: Remote (UK‑based) with an optio ...

Senior PHP Developer Hybrid (1 Day In Office) + Benefits

A recruitment agency in the UK is seeking an experienced PHP Developer to build and maintain applications used in production. You will be responsible for enhancing JavaScript functionality, designing MariaDB databases, and ensuring the security and reliability of software. The ideal candidate will possess strong ...

Engineering Manager

Overview Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and U ...

Engineering Manager

Who are we?👋Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki ha ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Security Engineer (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

C++ Software Engineer/Developer : Elite Quant Trading Firm : £300 500k : Hybrid

C++ Software Engineer/Developer : Elite Quant Trading Firm : £300-500k : Hybrid C++ Software Engineer/Developer : Elite Quant Trading Firm : £300-500k : Hybrid Direct message the job poster from Hunter Bond A niche electronic trading quant fund based in London are now seeking a top en ...

Systems Optimisation Engineer in London Oriole Networks

Systems Optimisation Engineer London, UnitedKingdom Posted 9 months ago Tech stack C Optimisation Python Automated Testing Skills & Experience: Proficiency in software development for test automation (<b ...

ReactJS Developer

Get AI-powered advice on this job and more exclusive features. Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able ...

QA Automation Engineer: API Testing with Playwright

twentyAI is seeking a QA Automation Engineer in Greater London to enhance automation within a leading Financial Services organization. In this role, you'll drive quality engineering practices, working closely with teams to ensure quality assurance is integrated throughout the software development lifecycle. < ...

Trading Systems Software Developer Systematic Market Maker in London Quant Capital

Trading Systems Software Developer - Systematic Market Maker Location: London, United Kingdom Posted: 10 months ago Tech stack Trading Kotlin Java SOLID C Python Optimizing Data Flow and System Thro ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

**_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Software Developer Node & Next

Remote with very occasional client visits 3-month contract, potential for extension Our client, an established and successful Consultancy are looking for a number of experienced Developers to join them on a contract basis With head offices in the north of the UK and ...

Head of Engineering in London

Job Description We’re seeking an exceptional Head of Engineering / Engineering Manager to partner closely with our CTO and lead the next stage of our engineering organisation. We want a deeply technical leader who still loves to build, leads from the front, and thrives in high-velocity, high-ow ...

Staff Engineer Labyrinth Screening

Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering and terrorist financing, enabling organisations to enforce sanctions at scale to help com ...

Staff Engineer Labyrinth Screening

Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering and terrorist financing, enabling organisations to enforce sanctions at scale to help com ...

Lead Front End Engineer(Agentic Intelligence) in London GroupM

Frameworks and Tools Approaches using frameworks like Cypress, Jest, Jasmine, Mocha, or Chai with Protractor and Karma. Package managers (NPM or Yarn). Webpack and node.js are a big plus as we tend to build our facades in it. Version control using Git with Github or GitLab. Web development with API- ...

Senior Software Engineer at Thriva Limited

Senior Software Engineer Company Thriva Limited - Personalized health-tech platform scaling proactive at-home testing. Location London, UK Job Description Join a small, high-impact product team leveraging cutting‑edge AI to bridge the gap between life ...

Software Engineering Manager

Nottingham Trent House (95002), United Kingdom, Nottingham, NottinghamshireSoftware Engineering Manager**About this role**Capital One is looking for a Software Engineering Manager to join us in our Nottingham office. You will have previous experience of leading a Software Engineering team and be passionate about ...

Senior Frontend Engineer (Typescript)

The Role We're looking for an experienced Senior Software Engineer (Frontend) to lead the development of Engine Designer — the interface through which our customers harness the Uncertainty Engine to tackle some of society's hardest problems. In this role, you'll use React and TypeScript t ...

Senior Frontend Engineer (Typescript)

The Role We're looking for an experienced Senior Software Engineer (Frontend) to lead the development of Engine Designer — the interface through which our customers harness the Uncertainty Engine to tackle some of society's hardest problems. In this role, you'll use React and TypeScript t ...

C# Developer – CAD – 70K

C# Software Developer, Mid & Senior level, C++ Software Engineer, 3D Graphics, CAD, Games, Maths, Physics, DotNet, C#, .Net, .Net Core, SQL Server, T-SQL, DDD, AWS, MVVM/MVC, OpenGL / DirectX – Global Software House – up to 70K Exciting young Software House who launched their software products last yea ...

Senior Product Engineer (£100,000 £150,000 + Equity) at Alecto

Job Title Senior Product Engineer Salary £100,000 - £150,000 + Equity Company Description Alecto - AI-native law firm backed by Firstminute Capital Job Description Join Alecto as an early engineer to fix the UK's broken £2.5bn conveyancing mar ...

Senior Product Engineer (£100,000 £150,000 + Equity) at Alecto

Senior Product Engineer Salary: £100,000 - £150,000 + Equity Company Description Alecto - AI-native law firm backed by Firstminute Capital Job Description Join Alecto as an early engineer to fix the UK’s broken £2.5bn conveyancing market. You will lead a vertic ...

Engineering Lead SVP

Overview Developer Enablement is a function of the CTO organisation. Our mission is to make it easy and enjoyable for software engineering teams to go from a business idea to delivering an innovative product solution. The main goals are to improve and upgrade our tools, streamline our processes, a ...

Engineering Lead SVP

Overview The Department Developer Enablement is a function of the CTO organisation. Our mission is to make it easy and enjoyable for software engineering teams to go from a business idea to delivering an innovative product solution. The main goals are to improve and upgrade our tools, ...

🚀 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

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