2,923,834+ 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

Full Stack Engineer (Rails) — Hybrid, Impactful Apps

Papier is seeking a Full Stack Developer to enhance their online customer experience. This role involves collaborating on scalable features and writing clean code for both backend and frontend applications. You should possess strong knowledge of Ruby on Rails and have 2 years of commercial experience w ...

Remote Full Stack DevOps Engineer – AI Security

Reliance Cyber is seeking a Full Stack DevOps Engineer to join our team. This hybrid role involves contributing to both front-end and back-end development, ensuring reliable deployments, and automating processes using cutting-edge technologies. You will collaborate closely with both internal teams and ...

Customer Facing Full Stack Engineer, AI Solutions

OpenAI is seeking experienced customer-focused software engineers to join their Forward Deployed Engineering team in London. The role involves designing and implementing scalable solutions that leverage OpenAI's APIs. Candidates should have over 7 years of full-stack engineering experience, preferably in cust ...

Senior GenAI Engineer | Python Full Stack Lead

Mphasis is looking for a Senior GenAI Engineer/Python Fullstack Developer to lead the development of innovative AI solutions. This position requires expertise in Generative AI, Large Language Models, and full-stack development using Python. You will design, build, and scale AI applications that deliver signif ...

Senior Full Stack Engineer Hybrid (Glasgow) Pension

Be-IT is seeking a Senior Full Stack Developer to join their Glasgow team in a hybrid working environment. This hands-on role involves significant coding responsibilities with opportunities for mentorship and shaping the technical direction. The ideal candidate will have over 5 years of full stack deve ...

Senior Full Stack AI Engineer — Hybrid UK

Fitch Group, Inc. is seeking a Senior Software Engineer, Full Stack - AI based in London or Manchester. This role involves designing innovative ML/AI solutions and working with modern technologies in a hybrid work environment. With a solid background in software engineering, the ideal candidate will co ...

Full Stack Engineer: Transfers & Client Journeys (Hybrid)

Hargreaves Lansdown PLC is looking for a Full-Stack Engineer in Bristol to enhance transfer applications across multiple repositories. The ideal candidate will be skilled in Node.js, AWS Lambda, and React, and should possess strong problem-solving abilities. The position offers diverse responsibilities ...

Cloud Native Full Stack Engineer: PIM Activation

Akeneo is looking for a talented individual to join their Activation team, which is responsible for evolving product syndication. The role focuses on designing a cloud-native platform that seamlessly connects product data with global sales channels. Key responsibilities include scaling architecture, im ...

HealthTech Full Stack Engineer Equity & Hybrid Role

Oliver Bernard is partnering with an exciting seed-stage HealthTech startup seeking a talented Full Stack Engineer. This position provides the opportunity to shape the future of the product and engineering functions while directly impacting patient outcomes and healthcare delivery. The chosen candidate ...

Senior Java Full Stack Engineer – Microservices & Cloud

Stealth iT Consulting is seeking Java Full Stack Engineers (Consultant / Senior Consultant) for permanent positions across London, Manchester, and Glasgow with flexible working options. Ideal candidates must be eligible for SC Clearance and possess 5 years of UK residency. The role involves building in ...

Senior Full Stack Engineer, Transfers & Client Journeys

Hargreaves Lansdown PLC based in Bristol is looking for a Senior Software Engineer to develop and maintain transfer applications. The role involves working on React frontends and AWS serverless backends, ensuring full delivery lifecycle from development to production. The successful candidate will lead ...

Senior Full Stack Engineer Remote, Growth & Impact

Hudl is looking for a Senior Engineer in Greater London who will work with cross-functional teams, mentoring others and developing large-scale applications. You'll collaborate to deliver web features and solve technical problems in a supportive culture. The ideal candidate has core skills in C#, Node, ...

Lead Full Stack Engineer, AI Agent Platform

Ebury is looking for a Senior Full-Stack Engineer to join our London team in a hybrid capacity of 4 days in the office and 1 day remote. You will work on an AI-powered financial crime investigation platform, architecting features across the stack while mentoring other engineers. The ideal candidate has ...

Lead Backend & Full Stack Engineer | Hybrid, Microservices

Pearson Carter is seeking a Lead Backend/ Full Stack Engineer to join a growing organisation in Solihull. The candidate will lead three product squads and oversee backend architecture while coaching developers. The position offers a competitive salary of £60,000 - £70,000 with hybrid working arrangemen ...

Senior Full Stack Engineer AI Driven Platform

Bluefish is seeking a Senior Full-Stack Engineer to architect and build scalable web applications, contributing to their AI marketing platform. This role involves collaboration with AI engineers and product managers to deliver impactful features while maintaining high engineering standards. The ideal c ...

Senior Full Stack Quality Engineer (Hybrid/Remote)

Equity City is seeking a Senior Full Stack Quality Engineer to support high-quality software delivery. This hands-on role requires strong Agile testing experience and the ability to lead testing within product teams. Responsibilities include establishing quality metrics, collaborating with offshore teams, and ...

Senior Vice President, Full Stack Engineer Opportunities

At BNY, a leading global financial services company, we empower our employees to drive transformative solutions across the financial system. Joining our London team gives you the opportunity to build secure, resilient, scalable systems. Role Overview Senior Vice President, Full-Stack Engi ...

Senior Full Stack Engineer — Angular & .NET Impact

A growing SaaS and digital product business is hiring a Full Stack Software Engineer to build and scale modern web applications across both front end and backend systems. This is a hands‑on role working across Angular and C# .NET, suited to someone who enjoys owning features end to end and ...

Senior Full Stack Engineer Hybrid in Bristol

A leading digital agency in Bristol is seeking a Full-Stack Software Developer to join their innovative team. You will be responsible for the development and maintenance of web applications, collaborating closely with stakeholders. The ideal candidate will have 7 years of experience, a strong background in moder ...

Senior Full Stack Engineer: Shape Scalable Features

Example on Clean, Well-Tested Code Be trusted to influence big decisions, not just build tickets. Tech Stack: Frontend: React, TypeScript, Next.js Backend: .NET Core (C#), REST APIs Infra: AWS (ECS, Fargate), Terraform Data: SQL Server, MongoDB D ...

Staff Full Stack Engineer: Lead Platform Architecture

Navan is looking for a Staff Full-Stack Engineer based in Greater London. This role involves leading the design and development of mission-critical features for a platform that serves thousands of business travelers daily. The ideal candidate will have over 5 years of experience in software development, expertis ...

Senior .NET Full‑Stack Engineer (Cloud & API)

The StepStone Group is looking for a Senior Full Stack Engineer to join their Profile domain product teams. In this role, you will work across the back-end and front-end, leveraging your expertise in C# and .NET Core primarily in cloud-native AWS environments. You will be responsible for designing and ...

Senior Full Stack AI Engineer for Healthcare

Heidi is seeking an Engineer to develop AI features that aid clinicians in delivering care. The ideal candidate will have a medical degree and clinical experience, as well as proficiency in Python and modern frontend frameworks like React. Responsibilities will include building full-stack AI solutions and operat ...

Full Stack Engineer HealthTech/FinTech, Equity & Growth

An innovative healthtech/fintech startup in London is seeking a Full Stack Software Engineer to join their team. This role offers competitive salary and equity in an early-stage company focused on redefining financial visibility in healthcare. You will own the technical project delivery and contribute to buildin ...

Founding AI Product Engineer Full Stack & Agents

Jack & Jill, a stealth AI-native law firm in London, seeks a Member of Technical Staff (Founding Product Engineer) to own product development end-to-end. As the second engineer, you will be pivotal in building intelligent systems for legal workflows and defining the technical architecture of a groundbreaking ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is seeking a Full-Stack Engineer to build AI-native cybersecurity products in London. You will own the entire product experience, from front to back, ensuring systems are secure, reliable, and built with cutting-edge technologies like TypeScript, React, and Node.js. The ideal candid ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is seeking a Mid-Senior Full-Stack Engineer to join our client’s innovative team focused on AI-native cybersecurity solutions. This role involves building and maintaining scalable systems while collaborating closely with AI engineers to integrate cutting-edge LLM capabilities. Ideal ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is searching for a skilled full-stack engineer to join a groundbreaking team developing AI-native cybersecurity products. This role involves owning product development from end to end, working with technologies like TypeScript, React, and Node.js, and directly impacting the security infras ...

Mid Senior Founding Full Stack Product Engineer

About theOffer Our Client is building the world's first AI-native cybersecurity operating system. As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing nex ...

Mid Senior Founding Full Stack Product Engineer

About theOffer Our Client is building the world's first AI-native cybersecurity operating system. As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing nex ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is seeking a full-stack engineer for a groundbreaking AI-native cybersecurity operating system. The ideal candidate will work on building secure systems, developing applications, and collaborating closely with AI engineers. Offering a competitive salary and significant equity, this ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is seeking a Mid-Senior Full-Stack Engineer in Oxford for developing an AI-native cybersecurity operating system. You will be responsible for the product end-to-end, building modern web applications using TypeScript and React, and integrating AI capabilities throughout. The ideal ca ...

Mid Senior Founding Full Stack Product Engineer

About theOffer Our Client is building the world's first AI-native cybersecurity operating system. As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing nex ...

Mid Senior Founding Full Stack Product Engineer

About theOffer Our Client is building the world's first AI-native cybersecurity operating system. As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing nex ...

Mid Senior Founding Full Stack Product Engineer

About theOffer Our Client is building the world's first AI-native cybersecurity operating system. As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing nex ...

Mid Senior Founding Full Stack Product Engineer

About theOffer Our Client is building the world's first AI-native cybersecurity operating system. As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing nex ...

AI Powered Full Stack Engineer (TypeScript/Node.js)

Story Terrace Inc. is seeking two Full Stack Engineers to join our Web Development team in London. This hybrid role will involve working on data-heavy systems and modern web platforms with a backend-leaning focus. The ideal candidates will have strong experience with TypeScript and Node.js, and will co ...

Full Stack .NET Engineer (Hybrid) | Cloud & APIs

Vodafone in Newbury is seeking a skilled full-stack developer to enhance business capability through .NET IT systems. You'll develop RESTful APIs, microservices, and ensure the deployment and maintenance of services, all within a supportive, hybrid working environment. We offer excellent compensation, ...

Senior Full Stack Engineer — Enterprise AI Platform

Ema Unlimited, Inc. is seeking an experienced Enterprise Software Engineer in Greater London, England. In this role, you will be responsible for designing and maintaining enterprise software applications, utilizing technologies like Go, Python, and PostgreSQL. Join our fast-paced startup to create impactful s ...

Remote First Full Stack Engineer Web & APIs

The Flex is seeking an experienced Full‑Stack Engineer to build the core web applications and APIs powering our platform. This role offers the chance to develop scalable solutions that impact the property rental industry significantly. Join a small team where you'll have ownership from day one, tacklin ...

Senior Full Stack Python Engineer — Public Sector

Brio Digital is seeking a Senior Full Stack Python Engineer to join a major public sector digital programme delivering critical services. This hybrid role involves developing scalable Python services, building modern React front ends, and working with AWS cloud infrastructure. The ideal candidate must ...

Full Stack Engineer – EdTech AI, Equity Options

Connecting Education is seeking a full-stack developer to join their fast-growing EdTech team, focused on streamlining school management. The role involves writing code, engaging with schools to drive product adoption, and collaborating on a rapidly evolving platform. The ideal candidate has experience ...

Full Stack .NET Engineer (Insurance, AWS/Azure)

TRIA is seeking a Full Stack Developer to join their growing technology team in the West of England. This role involves developing and enhancing innovative software solutions while taking ownership of the development lifecycle. The ideal candidate will have strong skills in C#/.NET and a background in ...

Full Stack Engineer, Investigations — Hybrid/Remote + Perks

Elliptic is seeking a Full Stack Engineer for their Investigations team in Greater London. This role involves building tools that assist compliance teams worldwide in tracing fund flows and detecting financial crimes. The ideal candidate will work with a collaborative team, engaging in both backend and fronte ...

Northampton Full Stack Automation Engineer (AWS/AI)

Join us at Barclays as a Full Stack Engineer to design and build intelligent, end‑to‑end automation solutions across our technology landscape, working comfortably within a regulated enterprise environment. You will develop backend services, cloud‑native infrastructure, and modern React UIs—leveraging AWS, ...

Full Stack Engineer: AI Agents & DAML Runtime

A software technology company in the UK is seeking a Staff-Level Full-Stack Software Engineer to design and develop robust software solutions. You will work with object-oriented programming languages like Java, C#, Python, or Scala and build AI agents powered by Large Language Models. This role requires strong d ...

Full Stack Engineer: Django/Python, AWS & Kubernetes

A leading retail company in Manchester is seeking a full-stack Engineer to join their diverse development team. You will be responsible for delivering quality code while working closely with product teams in an Agile environment. Your significant experience with Django and Python will help in developing and main ...

AVP, Liquid Credit Tech — Full Stack Engineer

Blackstone is hiring an AVP for its Liquid Credit Technology team in Greater London. The role focuses on developing modern fixed-income asset management systems. Candidates should have over 3 years of software development experience, particularly in C#, React, Typescript, and AWS. Responsibilities include buildi ...

Senior Frontend & Full‑Stack Engineer – Banking/Payments

A leading global technology firm in the UK is looking for a FrontEnd Full Stack Developer to create responsive web applications using modern UI frameworks. In this role, you will collaborate with designers, implement backend services, and ensure the security of applications. Candidates should have a strong under ...

Java Full Stack Engineer: Cloud Native & Kubernetes

A technology consulting firm in Glasgow is seeking a passionate Full Stack Java Developer. In this role, you will design and maintain enterprise-grade applications. You will work extensively with Java, Spring Boot, and cloud technologies, helping to deliver scalable solutions. This position requires strong skill ...

🚀 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