1,957,466+ 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

Software Security Engineer Hybrid Working

Software Security Engineer - London Location: Hybrid (2-3 days a week from home). Our client has locations across the UK, offices predominantly in the greater London and Manchester Locations. We are currently supporting our global insurance client in expanding their team and looking for a ...

Senior Software Architect Engineer (Contract)

Contechs Consulting Ltd is seeking a Software Architect Engineer for a contract position based in Gaydon. The role focuses on architecting various software, including end-user applications and operating systems, for external clients. The ideal candidate should have advanced knowledge of software archit ...

Data Science Software Engineer Hybrid

A leading defence organisation is looking for a talented Software Engineer in the UK. In this role, you will design and develop scalable software systems with integrated data science capabilities and work on complex datasets to derive insights. The position offers a salary around £65,000, dynamic hybrid working ...

Founding Engineer (£60k £90k + Equity) at Corgi

Job Title Founding Engineer Company Description Corgi - YC S24 full-stack AI insurance carrier Job Description Join the Strategic Projects team at a YC S24 startup rebuilding the $6 trillion insurance industry from scratch. As a founding engineer, you will own ...

Staff Software Engineer in Edinburgh N able

Staff Software Engineer Edinburgh, United Kingdom Posted 10 months ago Tech stack C TypeScript SQL Automated Testing SOLID CSS HTML5 ECMAScript Angular TDD Sk ...

RL Platform Engineer for Scalable ML

Anthropic is seeking a Research Engineer for the RL Velocity team in Greater London. You will enhance the RL Science stack by building robust training infrastructure and addressing bottlenecks. The background required includes strong software engineering skills, familiarity with ML infrastructure, and the capabi ...

AI Driven Software Engineer: Build AI Platforms & Systems

The British Intelligence Agencies are seeking a Software Engineer to enhance operations with Artificial Intelligence (AI) solutions. In this role, you'll contribute to integrating today's AI capabilities, support technical excellence, and mentor junior engineers. British citizenship or dual nationality ...

Lead Software Engineer: AI Driven Platform & Team Leader

British Intelligence Agencies are seeking a Lead Software Engineer to shape how AI capabilities deliver lasting impact. You will lead a dedicated team, driving technical excellence and guiding junior engineers in a dynamic environment. Your key responsibilities include enhancing operations with AI, mak ...

Senior ML Compiler Architect for Next Gen AI Accelerators

Fractile is seeking a Senior ML Compiler Engineer to develop the machine learning compiler stack for innovative AI acceleration hardware. This role offers the opportunity to work collaboratively with hardware and software teams to optimize performance. The ideal candidate has proven experience with mac ...

Senior ML Compiler Architect for Next Gen AI Accelerators

Fractile is seeking a Senior ML Compiler Engineer to develop the machine learning compiler stack for innovative AI acceleration hardware. This role offers the opportunity to work collaboratively with hardware and software teams to optimize performance. The ideal candidate has proven experience with mac ...

Senior Android Engineer Mobile Apps (Hybrid)

A leading streaming platform in Greater Manchester is seeking a Senior Software Engineer specializing in Android to enhance user interactions with Roku devices. This role involves building intuitive features using a modern tech stack like Kotlin and Compose. The ideal candidate will have strong Android developme ...

Remote AI Tooling Engineer: Accelerate Dev with LLMs

A cutting-edge AI startup is seeking an AI Developer Tooling Engineer to lead AI integration across engineering teams. The role involves building an AI-assisted development stack and infrastructure to enhance developer velocity. Ideal candidates will have deep experience with AI coding tools, solid TypeScript sk ...

Founding ML Engineer: Build a Living Semantic Layer

JetBrains is looking for a top-class ML Engineer to shape the future of software development through AI and ML technologies. You will define the research agenda and own the AI engineering stack. Responsibilities include designing LLM solutions and establishing MLOps practices. The ideal candidate should have at ...

DTN Software Engineer — Remote UK, Shape Mesh Networks

A leading technology firm in the UK seeks a passionate DTN Software Engineer. In this role, you'll develop and maintain laser communication technologies and support cloud-based solutions for aerospace communications. The ideal candidate has experience with the DTN stack and distributed systems, and possesses str ...

Hybrid C# Software Engineer — APIs, Cloud & Agile

A leading investment platform firm in Manchester is seeking an experienced Software Engineer to join their collaborative Agile team. This role offers an exciting opportunity to work with a diverse technology stack and engage in meaningful projects. Candidates should possess strong skills in C#, APIs, and databas ...

RL Platform Engineer for Scalable ML

Anthropic is seeking a Research Engineer for the RL Velocity team in Greater London. You will enhance the RL Science stack by building robust training infrastructure and addressing bottlenecks. The background required includes strong software engineering skills, familiarity with ML infrastructure, and the capabi ...

.NET Developer Huntingdon

.NET Developer - Software House – Huntingdon, Huntingdonshire, Cambridgeshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, . ...

.NET Developer Huntingdon

.NET Developer - Software House – Huntingdon, Huntingdonshire, Cambridgeshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, . ...

Software Engineer Northern Ireland Remote

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest ...

Senior Backend Software Engineer (UK)

JoinPigment: The AI Platform Redefining Business Planning Pigment is the AI‑powered business planning and performance management platform built for agility and scale. We connect people, data, and processes in one intuitive, feature‑rich solution, empowering every team—from Finance to HR—to ...

Senior Backend Software Engineer (Python)

Senior Backend Software Engineer (Python) at NLPatent NLPatent is seeking a highly skilled Senior Backend Software Engineer with expertise in Python to join our dynamic and growing team. In this role, you will play a critical part in designing, building, and maintaining scalable backend systems t ...

Senior Backend Python Engineer | Flexible Work

Senior Backend Software Engineer (Python) at NLPatent NLPatent is seeking a highly skilled Senior Backend Software Engineer with expertise in Python to join our dynamic and growing team. In this role, you will play a critical part in designing, building, and maintaining scalable ba ...

Senior Kotlin Engineer

At Globawise, we empower technologists to thrive by connecting them with roles that deliver both impact and long-term growth.We’re partnering with a high-performing UK FinTech that continues to redefine modern lending and credit infrastructure. Backed by strong market success and ongoing product expansion ...

Product Engineer

Join Keith to build the future of legal services; using technology to add speed, consistency and affordability. Keith is an AI-native and full-stack regulated law firm, initially focusing on disrupting the UK conveyancing market. By leveraging technology, we aim to automate c. 80% of the current hum ...

Founding Product Engineer

TechTree is recruiting on behalf of a client — a seed-stage AI security company backed by Entrepreneur First and the Sequoia Scout Fund, building AI-native infrastructure to protect critical institutions from attack. Founding Product Engineer Location: On-site in London (King's Cross). Fo ...

Development Team Lead

ECOM Greater Manchester, England, United Kingdom ECOM Greater Manchester, England, United Kingdom 1 week ago Be among the first 25 applicants Software Developer Focused Recruiter at Ecom Recruitment and Executive Leadership Staffing Specialist | Connecting Top Talent with Leading Softwar ...

Azure Software Engineer – (Outside IR35)

Azure Software Engineer – (Outside IR35) We are looking for an experienced Azure Software Engineer to join TLP Consultancy Ltd as an outside IR35 contract at Burgh Heath near Epsom, Surrey. Initial 6‑month contract, daily rate £400‑£450. Scope of Services Design, build and ...

Staff Software Engineer, Product Engineering, UK

Hi I'm Abhik, Ashby's Co-Founder and VP of Engineering. We’re looking for an ambitious full-stack engineer who is laser-focused on solving customer problems and making the right long-term investments to solve them not only today but in our future features and products. What Ashby gives you in retur ...

React Developer Hybrid Working Up to £175,000 Base (+ Bonus)

React Developer – Data team - Junior, mid-level and senior positions. Client: Elite Systematic Trading Firm Location: London (Hybrid Working) Compensation: Up to £175,000 Base + Bonus Overview An elite systematic trading firm is seeking a ...

Analytics Platform Engineer (Principle & Senior)

Location: Cheltenham Salary: Competitive Benefits: Bonus and commission scheme, comprehensive benefits package including private medical and pension, flexible hybrid working, clear progression with funded training, and enhanced long-term incentives including additional leave and ...

Software Development Engineer, Prime Video Website Team

DescriptionJoin Prime Video to deliver the vision of being the one-stop destination for entertainment, and solve challenging and rewarding problems for the customers across the world. You will join one of the core client teams in Prime Video, and directly deliver new and exciting experiences for the millions ...

Senior Robotics Software Engineer (m/f/d... Software UK

Senior Robotics Software Engineer (m/f/d) London About the Role We’re looking for a motivated Senior Robotics Software Engineer to join our software team who'll create cutting‑edge, unmanned ground vehicles for governmental and civilian applications. In your day‑to‑day w ...

Team Leader Senior Software Engineer

Location London Employment Type Full time Department Tech Engineering Software Engineering Compensation Senior (L3) Senior (L3) £95K – £125K • £20K – £50K Equity Our compensation is based on your levelling during the inte ...

Manager, Software Development Engineer (Octopart)

Job Description⚡️ Why Octopart?Octopart is revolutionizing electronics procurement and component sourcing. As part of Altium and the broader Renesas Group, we connect procurement professionals, supply chain managers, and sourcing teams with the world’s most comprehensive electronic com ...

Senior Product Engineer Build Impactful Fintech (UK)

A fintech startup in London is seeking engineers passionate about building innovative products that enhance financial health. You will join a cross-functional team to develop features across a diverse tech stack, primarily using Ruby and React Native. The role emphasizes collaboration, learning, and mentoring. Y ...

Senior Software Architect

This engineering software startup is poised for growth and set to break new ground in CAE, liberating engineers from traditional design and creative constraints. Developing a new platform based on founders’ track record in this field, they are seeking a Senior Software Architect / Developer to put architectur ...

Senior Customer Solutions Engineer

This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc. 5000’s ‘Fastest Growing Companies in America’, Luminance is disrupt ...

Senior Customer Solutions Engineer

This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World' and Inc. 5000's ‘Fastest Growing Companies in America', Luminance is disrupt ...

Senior Customer Solutions Engineer

This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc. 5000’s ‘Fastest Growing Companies in America’, Luminance is disrupting ...

Lead Software Engineer Python / AI Athena Core Vice President

Join us to shape the future of developer experience on one of the firm’s most strategic technology platforms. You’ll have the opportunity to impact how software is built across a vast engineering organization, tackling meaningful technical challenges and driving innovation. We value product thinking, technica ...

Senior Software Engineer Security & Resilience

hackajob is looking for a Senior Software Engineer in Birmingham to work on critical national infrastructure. The role involves designing software architecture for security testing, engaging with both technical and non-technical stakeholders, and defining engineering best practices. Candidates should be experien ...

Senior Software Engineer Regulatory News

ROLE SUMMARY: We’re hiring a Senior Developer to join the Regulatory News Service team in London. For over 300 years, the London Stock Exchange has produced detailed market information for companies and investors, and technological innovations have transformed this service from a twice-weekl ...

Senior Software Engineer FX Markets

Compensation GBP 87,500 - GBP 111,000 yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to anothe ...

Senior Software Engineer TRAX Observability

Location London Business Area Engineering and CTO Reference Number About TRAX TRade Automation and eXecution (TRAX) is part of Bloomberg Enterprise Products Engineering. We build trade automation solutions and multiple Execution Management Systems ( ...

Senior Software Engineer, Chem Bio

The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government with direct lines to No. 10 (the Prime Minister's office), and we work with frontier developers and governme ...

Senior Software Engineer, Lending Platform

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with full ...

Senior Software Engineer, Client Group

Winton is a research-based investment management company with a specialist focus on statistical and mathematical inference in financial markets. The firm researches and trades quantitative investment strategies, which are implemented systematically via thousands of securities, spanning the world's major li ...

Senior Software Engineer (UK Remote)

Job Description Turnitin is seeking a Senior Backend Engineer with a strong focus on backend development, particularly in Java and serverless architectures, combined with solid frontend experience. This role is ideal for engineers passionate about building scalable distributed systems, da ...

Lead Software Development Engineer Services

Lead Software Development Engineer - Services London, South East England, United Kingdom Company: JR UK Client / Employer: Capital One UK Posted: Job reference: 83e de45187e54f895f1a4a09c About this role Capital O ...

Software Engineer In Test Android

We’re looking for a Software Engineer in Test specialising in Android automation to help elevate the quality of our American Express Travel native mobile applications. This role is ideal for an engineer who is passionate about modern testing practices, automation frameworks, and coaching development teams ...

🚀 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