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

Lead Software Engineer — Hybrid Tech Leader & Team Builder

Accelero is seeking an experienced Lead Software Engineer based in Bracknell for a hybrid role (2 days onsite, 3 days WFH). This position involves leading a team of 8 engineers, architecting full-stack applications with C# and Blazor, and owning technical direction while fostering team development. The ...

Senior Platform Engineer (AWS)

Senior Platform Engineer – Permanent - £85,000 to £90,000 plus car allowance & bonus We have an exciting opportunity for a Senior AWS Platform Engineer to join a leading company. Working on an AWS/Terraform/Jenkins tech stack, you will be responsible for designing & implementing solutions a ...

Senior C/C++ Linux Software Engineer

Develop your consultancy and software engineering skills with varied high tech projects This established technical consultancy develops advanced software and hardware for government and commercial sector clients. Due to continued success, they are seeking an accomplished C/C++ and Linux software en ...

C++ Libc++ Performance Engineer

A leading technology company in Greater London is seeking a C++ Standard Library Performance Engineer to develop and enhance its C++ standard library. The role focuses on performance and offers the chance to influence developer tools used across Apple platforms. Candidates should have strong C++ skills and a pas ...

Senior ML Benchmarking & QA Engineer

Graphcore in Cambridge is looking for an ML QA Engineer to test and benchmark a complex ML software stack. The role is focused on ensuring performance, reliability, and correctness across contemporary AI workloads. The successful candidate will work in a fast-paced environment, testing industry-standar ...

Senior ML Benchmarking & QA Engineer

Graphcore is seeking an experienced ML Engineer to focus on testing and benchmarking a complex ML software stack. The ideal candidate will have strong experience with machine learning systems, a solid understanding of AI concepts, and proficiency in Python. You will work with industry-standard ML frame ...

Staff Controls Engineer – Real Time Robotics

Humanoid is seeking a Staff Controls Software Engineer to lead the development of control software for humanoid robots in London. The ideal candidate will have over 10 years of experience in real-time systems and a strong background in C++ and Python, ensuring the control stack is deterministic and safe. This po ...

Backend Software Engineer I — Scalable Payment Systems

American Express is seeking a Software Engineer in Burgess Hill to develop and enhance backend services for payment capabilities. This role offers the opportunity to work with a modern technology stack including Kotlin, Kafka, and PostgreSQL, while contributing to event-driven applications. The ideal c ...

Senior Software Engineer (Front End)

The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.Through our people and techn ...

Mobile Application Developer

Mobile Developer – React Native | EdTech Startup Overview Join one of the UK’s most exciting early-stage EdTech startups as our second engineering hire . This is a rare opportunity to get in early, help shape the technical direction of the company, and work on a product that mak ...

Test Engineer

Test Engineer 12 months Hybrid - x1 day in Croydon x4 remote £435 per day inside IR35 - Umbrella only Active SC clearance required Key skills Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role S ...

Senior AI Engineer

Senior AI Engineer – AI Centre of Excellence About the role Lead generative AI initiatives, mentor peers, set engineering standards, and design and deploy AI solutions to enhance products and processes. Responsibilities Partner with product managers, data scientists, an ...

Product Engineer

Join to apply for the Product Engineer role at incident.io Our Engineers know the drill - they've been paged at 3am. They're on a mission to transform those wee-hour wake-up calls into a smoother, more manageable experience for engineering teams everywhere. In fact, they're some of o ...

Software Developer Placement Programme No experience needed

Software Developer Placement Programme No experience needed Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.From £27,000 to £65,000 per annum Trainee Software Developer £27,000£65,000 Job Prog ...

Software Developer Placement Programme No experience needed

Software Developer Placement Programme No experience needed Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.From £27,000 to £65,000 per annum Trainee Software Developer £27,000£65,000 Job Prog ...

Software Developer Placement Programme No experience needed

Software Developer Placement Programme No experience needed Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.From £27,000 to £65,000 per annum Trainee Software Developer £27,000£65,000 Job Prog ...

Product AI Engineer Jobs in UK 2026 (GBP 100,000 to 170,000)

Product AI Engineer Jobs in UK 2026 (GBP 100,000 to 170,000) Product AI Engineer Jobs in UK 2026 (GBP 100,000 to 170,000) A high impact opportunity is available in London, England, United Kingdom, for a Product AI Engineer. This role offers experienced engineers the chance to build advanced ...

Junior Software Developer

London, England or Remote Working / Permanent Full Time Position Looking to move to a Fintech company with a worldwide brand in stocks and options trading? This exciting role is for the talented software developer professional. We are looking for an experienced, highly-driven, suc ...

Lead Frontend Engineer – SaaS Data Viz (Remote)

A leading SaaS company in the UK is seeking a Lead Software Engineer to mentor a team and develop innovative data visualisation tools. The role focuses on frontend work while also handling backend tasks. The ideal candidate will have experience in a SaaS environment, strong leadership skills, and excellent knowl ...

Customer Facing AI Engineer — Deploy and Shape Product

Trades Workforce Solutions is seeking a Forward Deployed Engineer to work closely with customers, unlocking value from the platform. This role involves understanding customer challenges and shaping product features based on real insights. The ideal candidate will have strong software engineering fundam ...

Product Engineer (£90,000 £140,000 + Equity) at Scope

Job Title Product Engineer Salary £90,000-£140,000 + Equity Company Description Scope is a London‑based AI startup backed by Index Ventures that recently raised $20M to automate the $2 trillion compliance layer for global infrastructure. It is first‑mover in mo ...

Platform Lead Developer Cloud Native & Microservices

Vodafone Group Plc is looking for a Lead Full Stack Developer to join their team in Greater London. The role involves designing, building, and maintaining cloud-native services that power Vodafone's next-generation Digital & IT Platform with a focus on performance, stability, and security. The ideal ca ...

Java Consultant

We are currently looking for a Java Full Stack Developer (Java FSD) for one of our clients based in Bournemouth, UK. Java + Spring Boot (backend) React/Angular (frontend) SQL/NoSQL (database) Cloud/DevOps exposure Seniority level Mid Sen ...

Senior Product Engineer AI Driven Fintech Compliance

Adclear in Greater London is seeking a Full-Stack Product Developer to own the end-to-end delivery of compliance-related products. The ideal candidate will have strong skills in TypeScript and React, and the role offers a dynamic environment with real ownership of product features. Compensation is comp ...

Multimodal AI Software Engineer Production & Research

An innovative tech company in Cambridge is seeking an AI/software engineer to join their R&D team. The role entails developing AI-centric features and exploring new AI capabilities for their product portfolio, which focuses on hybrid collaboration technology. Candidates should have a strong degree or technical s ...

Software Developer (Mobile Apps) in Guildford ECM Selection (Holdings) Limited

Principal Software Engineer, Platform (Mobile, React Native) Location: 108 E 16th Street, New York, NY 10003 Required Skills Location services, online maps, compass functionality, and device tilt sensors. Experience with object-oriented design using C, C++, or Java. < ...

Staff Frontend Engineer: Lead High Impact EdTech UI

A high-growth EdTech startup in London seeks a Staff Software Engineer to lead frontend initiatives for their gamified learning platform. In this impactful position, you will build user-facing features while collaborating closely with designers and product managers. Ideal candidates are experts in React, TypeScr ...

Senior Software Engineer, Accounting & Royalties Platform

Sony Music Entertainment China Ltd. seeks a Senior Software Engineer in London with over 8 years of experience. This role involves working on frontend applications using TypeScript, React, and GraphQL, alongside database technologies such as Neo4j and MySQL. The ideal candidate will contribute to product develop ...

Senior Software Engineer — Scale Real Time Booking Platform

A forward-thinking property technology company in Brighton seeks a Senior Software Engineer to design and scale critical platform components. You will develop services for bookings, payments, and guest experience while ensuring system reliability and performance. Successful candidates will have strong skills in ...

Senior Frontend Engineer: AI Driven UI & Data Viz

The Resume Database in Greater London is seeking a Frontend Software Engineer to shape user experiences. You'll engage in high-impact projects like AI features and data visualizations while collaborating with cross-functional teams. The ideal candidate will have strong React and TypeScript skills with ...

Principal Software Engineer MACH Event Driven Platform Lead

Morson Edge (Technology) is seeking a Principal Software Engineer for a retail company near Manchester, involved in a significant digital transformation. This initial 6-month contract outside IR35 offers up to £600/day and focuses on re-platforming to an event-driven MACH architecture. The ideal candid ...

Lead Front End Engineer: Design System & AI UI

MCS Group is collaborating with a Belfast-based AI software company seeking a Lead Front End Engineer. This role offers the chance to influence user interactions across a suite of enterprise-grade products using cutting-edge AI technology. Applicants should possess over 5 years of Front End Engineering ...

Embedded AI Engineer — End to End Workflow Builder

Jack & Jill is looking for a Forward Deployed Engineer in London, UK. This role involves working alongside an elite team to bridge the gap between software and physical systems, particularly in sectors like aerospace and energy. The ideal candidate will have experience with React/TypeScript and Python, ...

Senior Frontend Developer

Overview Recruitment Consultant @ TEC Partners | Software Engineering & QA Location: Remote Salary: Up to £100,000 I’m recruiting on behalf of a client based in Warrington, who are looking to bring a Senior Frontend Engineer into their engineering t ...

eDV Cleared Back End Developer

Lead Principal Consultant - National Security & Defence iO Associates are working closely with a leading Defence & National Security supplier in their search for a Data Engineer / Back End Developer to join the growing team on a contract basis. Duration: Initi ...

Lead Software Engineer Equity Derivatives Front Office Quant Developer

Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer a dynamic environment where ...

Software Engineer, Intern (Placement Year)

DescriptionAs a Software Engineering Intern at Interact Software, you will join a cross-functional engineering squad and work under the guidance of a Technical Lead to contribute to real-world product development. You will support the delivery of technical solutions, including bug fixes, feature en ...

Principal Software Engineer — MACH Event Driven (AWS/TypeScript)

Morson Human Resources Limited is seeking a Principal Software Engineer for a retail company near Manchester undergoing a significant digital transformation. The role involves delivering the re-platforming of existing systems to an event-driven MACH architecture. Ideal candidates should have expertise ...

Senior Frontend Engineer AI Driven, High Performance UI

Cint is searching for a Senior UI Software Engineer to enhance the Cint Exchange's Ordering platform. You will deliver an exceptional user experience for buyers while collaborating with UX designers, product managers, and backend engineers. Your role will include building efficient frontend abstraction ...

Senior Backend Engineer Node.js & IoT, Hybrid London

A tech-for-good startup in London seeks a Senior Software Engineer to build and scale Node.js applications while driving code quality and architectural improvements. The ideal candidate has strong backend development experience, preferably with Node.js, and is comfortable with AWS and React. This hybrid role inv ...

Senior Developer Perm Birmingham

Senior C# Developer Location: Birmingham (Onsite) Salary: 50,000 - 80,000 DOE Job Type: Permanent, Full-Time Senior Developer - Platform Stability, Performance & Engineering Excellence We're looking for an experienced Senior Developer < ...

Front End Developer Next.js

Overview Position offers numerous greenfield development opportunities leveraging state-of-the-art technologies, with a focus on selecting optimal tools for each specific requirement. You will contribute to a high-profile client portfolio as part of a distinguished development team. Key ...

Payments Platform Lead Kotlin/React, Hybrid London

Formula. is seeking a Lead Software Engineer to support a transformation project for a major UK bank, focusing on rebuilding their payment system. This role requires expertise in payment gateway systems and experience in full stack development using Kotlin and React.js. The position involves team leade ...

Senior Backend Lead Engineer Remote (EU/UK/CH) + Stock

The Hub/Danske Bank is looking for a remote software engineer with at least 7 years of experience, including 3 years in a senior or lead role. This full-time position includes 25 days of leave and offers a starting salary of 100,000 GBP. You will own projects from conception to release, ensuring alignment with c ...

Senior Software Engineer Lead Tech & Architecture

A leading fintech company in Manchester seeks an experienced Senior Software Engineer to lead a team of developers and ensure the delivery of robust, mission-critical systems. This hands-on role involves shaping technical strategy and implementing best practices. Successful candidates will bring over 5 years of ...

Python Software Engineer II — Django, Cloud

Software Engineer II - Python Bournemouth, UnitedKingdom Posted 10 months ago Tech stack Python Django Frontend Qualifications, Capabilities, and Skills Familiarity with modern front-end technologies Exp ...

Hybrid AI Engineer: LLMs for Financial Analytics

A financial technology company in Greater London is seeking a hands-on AI Engineer to lead the design and delivery of innovative AI features for financial market analytics. The ideal candidate will have a strong background in full-stack software engineering and experience with LLMs, AI agents, and cloud-based pl ...

Software Engineer II Python in Bournemouth JPMorgan Chase & Co.

Software Engineer II - Python Bournemouth, UnitedKingdom Posted 10 months ago Tech stack Python Django Frontend Qualifications, Capabilities, and Skills Familiarity with modern front-end technologies Exp ...

Lead Product Engineer, AI Platform (Hybrid London)

Albert Bow is seeking a Lead Product Engineer to shape the technical direction of a high-growth AI software company. This senior role emphasizes architecture, engineering, and AI systems design, involving direct collaboration with customers and ownership of projects from conception to production. Ideal ...

FullStack Solution Architect (Exp in RFP/RFI) London, UK Fulltime Hybrid

Job Role FullStack Solution Architect Location London, UK Overview We are seeking experienced FullStack Solution Architect with strong expertise in the Banking domain. The role will oversee the planning, execution, and successful deliver ...

🚀 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