1,955,055+ 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

Senior Software Controls Engineer — Lead Automation

A leading automation company is hiring a Senior Software Controls Engineer in Bellshill. This role involves designing and commissioning control systems across various sectors, including distilling and brewing. Successful candidates will have proven experience in industrial control software, strong technical docu ...

Software Engineer: AI Driven Validation & Performance

Arm Limited in Manchester seeks an emerging software engineer to join the Observe and Accelerate team. This pivotal role involves developing performance analysis tools leveraged by engineering teams to enhance software understanding and performance on Arm platforms. The ideal candidate will have 1-2 ye ...

Associate Software Engineer Learn, Build & Impact

We Manage Jobs (WMJobs) is recruiting an Associate Software Engineer to join Birmingham City Council's digital team. This role emphasizes collaboration, innovation, and skill development in the fast-paced tech sector. Candidates are encouraged to engage in agile methodologies and contribute to high-qua ...

C# Sensor Software Engineer in City

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by ...

FX Client & Prime Software Engineer (VP)

FX Client & Prime - Software Engineer (VP) 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. Fro ...

Software Engineer, Platform Cardiff, United Kingdom

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember mo ...

C++ Software Engineer — Airline Scheduling & Optimization

Decisal in Greater London is looking for a talented Software Engineer C++ to join their dynamic team. This role involves designing and developing cutting-edge software solutions to optimize airline planning and scheduling. The ideal candidate will have a strong background in C++ programming and a passion for ...

Software Engineer in Test Automation London

Our Commitment to Diversity, Equity and Inclusion We believe in the power of unique perspectives and want all voices in our organisation to be heard, respected and valued. A supportive workplace is one where employees feel they can be themselves and operate to their full potential. We are committ ...

Software Engineer: AI Driven Validation & Performance

Arm Limited in Manchester seeks an emerging software engineer to join the Observe and Accelerate team. This pivotal role involves developing performance analysis tools leveraged by engineering teams to enhance software understanding and performance on Arm platforms. The ideal candidate will have 1-2 ye ...

Software Engineer II (Forge Post Purchase)

MOO set out to shake up the world of print back in 2006. And we’ve come a long way since. Today we’re a 400+ strong team (we’re thinking of getting matching jackets) who create print and digital products for companies of all sizes – from Google and Airbnb to the guy who makes those amazing prints you found ...

Staff Software Engineer – Payments Platform (London)

Barclays is looking for a Staff Software Engineer based in London to enhance our Payments Acquiring business. You'll lead software improvements and guide engineering standards within a fintech culture, working collaboratively with product managers and designers. The role demands expertise in backend en ...

Secure Cloud Software Engineer: Microservices & DevSecOps

Addition Solutions LTD is seeking a Software Engineer to join their growing consultancy. You will be responsible for designing and building secure software applications that support mission-critical operations in complex environments. The ideal candidate has experience in UK Security & Intelligence and is pro ...

Market Risk AI Driven Software Engineer

LLOYDS BANKING GROUP is looking for a Market Risk Engineering Developer in Edinburgh to join a dynamic application development team. This role involves designing and supporting technical solutions, leveraging your extensive experience in software development. You will work closely with multi-skilled te ...

Senior Software Engineer Business Expense Management

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier ...

Senior Software Engineer Hybrid Milton Keynes

Experis UK is looking for a Senior Software Engineer to join an experienced team responsible for the development of significant public sector IT solutions. The role involves designing front-end features, creating APIs, and maintaining databases while working on-site in Milton Keynes 2-3 days a week. Ca ...

Senior Software Engineer – Customer Platform Engineering

Obsidian Security is a leading SaaS security platform that protects 200+ organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand. We offer a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. </p ...

Senior Software Engineer, Quantum Computing Platform

DeepRec.ai, located in Greater London, is seeking a Software Engineer to develop and optimise software interfacing with specialised hardware. This role offers the opportunity to tackle challenging engineering problems in a hybrid working environment and influence architectural decisions in next-generation com ...

Senior Software Engineer Secure Cloud (Hybrid)

Addition is seeking software engineers in Farnborough to build secure, innovative software solutions for Defence and National Security. You will engage in designing, developing, and maintaining software while collaborating with diverse teams. Ideal candidates have expertise in modern backend technologies and ...

Senior Software Engineer – Defence Systems Lead

Cicor Group is seeking a talented Senior Software Engineer to join our dynamic Programmes Division in Gosport. In this crucial role, you will lead software development efforts, ensuring high-quality solutions for our defence programmes. The ideal candidate will have a degree in Software Engineering or ...

Senior Software Engineer, Semantics & Data Platform

IMU Biosciences in Greater London is seeking a Senior Software Engineer to enhance the data platform capabilities. You will work with the Computational Immunology team to build reliable systems for structured scientific data. This hybrid role involves hands-on engineering and collaboration to ensure sc ...

Senior Software Engineer, Expense Management Platform

hackajob is seeking a Senior Software Engineer to join our Business Expense Management team in Greater London. In this role, you will design and maintain scalable services and build public-facing APIs to enhance our platform. You will collaborate with various teams to create impactful solutions, while advocat ...

Senior Ground Software Engineer – Hypersonic Systems

Hypersonica in Greater London seeks a Senior Software Engineer to design and develop software for hypersonic systems. Candidates should possess 5+ years in aerospace, focusing on C++ and user experience design for both Linux and Windows environments. The role offers autonomy, competitive compensation, ...

Senior Software Engineer (Python / Rust) – FinTech

Senior Software Engineer (Python / Rust) – FinTech Orbis is working with a rapidly growing FinTech firm whose core technology has helped to transform the Investment Management industry. They are now seeking a Senior Software Engineer with excellent Python or Rust experience. This is an ex ...

Senior Payments Software Engineer SDKs & Backend

NMI is seeking an experienced Software Engineer for their Payments Processing group in Bristol, UK. This role focuses on designing and maintaining SDKs and backend components for secure payment transactions across integrations. The ideal candidate has a strong background in C# or Java, along with subst ...

Senior Software Engineer, Payment Platform Backend

Global Payments Inc. is seeking a Senior Software Engineer to join their Belfast team, focusing on the Merchantware and Semi-Integrated platform that processes millions of transactions. The successful candidate will design and deliver features, ensuring high standards in backend services and collaboration wit ...

Senior Real Time & Embedded Software Engineer

Thales is seeking a Senior Software Engineer in Glasgow, focusing on real-time and embedded engineering. In this role, you will design, implement, and test features while ensuring code quality and security best practices. The position offers benefits including a performance-related bonus, flexible work ...

Hybrid Senior Desktop Software Engineer (C#)

Platform Recruitment is seeking a desktop C# engineer to join a fast-growing technology company in the UK. This hands-on role involves developing high-quality software for scientific processes. The successful candidate will work on Windows applications using WPF and collaborate with a talented team to ...

Senior Software Engineer (Ads Auction Platform)

Requirements Experience building distributed backend services at scale Strong coding skills in Java and familiarity with service-oriented architectures Experience with low-latency systems and real-time decisioning workflows Familiarity with cloud platforms and ...

Senior Software Engineer C++ and Rust

Senior Software Engineer - C++ and Rust - is required by highly successful and fast growing technology consultancy. They build data, AI and software solutions for clients in a broad range of industries, working on demanding problems in challenging environments. The role They ...

Embedded Software Verification and Validation Engineer

Introduction We have a great opportunity for a skilled and adaptable Verification and Validation (V&V) Test Engineer to join our Real‑Time Embedded software department! Salary : Circa £64,000 depending on experience Dynamic (hybrid) working : typically, 4 days per we ...

Software Engineer QuantumBlack, AI by McKinsey

Do you want to do work that matters, alongside supportive leaders who will help you grow faster than you ever thought possible? Are you a creative problem‑solver who is energized by challenges? You’ve come to the right place. YOUR IMPACT As a Software Engineer, you will collaborat ...

Senior Software Engineer Billing (VAT & Invoicing)

About Us Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time‑consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating t ...

Senior Software Engineer, Product Engineering, UK

Location UK Employment Type Full time Location Type Remote Department Engineering EMEA Engineering Compensation UK - London £112K – £137K • Offers Equity UK £103K – £126K • Offers Equity Please ...

Senior Software Engineer, Game Tools & Pipelines

PlayStation Network is looking for a Senior Software Engineer in London to design and develop high-quality tools for game development. This role will allow you to work on innovative projects and collaborate with studios globally. Candidates should have strong knowledge in languages like C++ or C#, and ...

Senior Software Engineer, Billing & Tax Automation

Are you a Software Engineer who thrives on real ownership? At Perk, we know that we feel most fulfilled when we can own the problem and the solution. This means taking responsibility for the entire lifecycle of a feature, from understanding our customers' pains with our product team, desi ...

Senior Software Engineer Billing (VAT & Invoicing)

Are you a Software Engineer who thrives on real ownership? At Perk, we know that we feel most fulfilled when we can own the problem and the solution. This means taking responsibility for the entire lifecycle of a feature, from understanding our customers' pains with our product team, desi ...

Senior Software Engineer – Event Driven Platform

3761 Barclays - BX - UK is looking for a Senior Software Engineer for their teams in Knutsford or Northampton. The role involves designing, developing, and improving software that enhances business and technology capabilities. The successful candidate will work with cross-functional teams to align platform ca ...

Senior Software Engineer, Flights Platform Impact

Perk is seeking a Senior Software Engineer in Birmingham to take full ownership of the software lifecycle, from understanding customer challenges to deployment. You will work with mission-driven teams on improving core functionalities, contributing to product roadmaps, and mentoring junior engineers. T ...

Quant Research Software Engineer Trading Signals

Harrington Starr is seeking a Research Software Developer to join a leading quantitative trading firm. This role involves researching and developing predictive signals and trading models to improve trading performance. You will collaborate with researchers and engineers throughout the lifecycle of the ...

Embedded Software Verification and Validation Engineer

Verification and Validation (V&V) Test Engineer – Real‑Time Embedded Software Location: UK (Hybrid, 4 days on‑site, 1 day remote). Salary: Circa £64,000, depending on experience. Key Responsibilities Extract requirements and translate them into structured test cases and pr ...

Graduate Programme 2027: Software Engineer (Python)

hackajob is collaborating with Revolut to connect them with exceptional professionals for this role. About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our pow ...

Lead Software Engineer Gov Cloud / AI

We are seeking a Lead Software Engineer – Cloud Operations to support and scale its U.S. Government Cloud Operations (USGov CloudOps) platform within Microsoft Azure Government. This role is critical to ensuring the availability, security, resiliency, and compliance of mission‑critical SaaS services suppor ...

Software Engineer: AI Driven Validation & Performance

Arm Limited in Manchester is seeking an emerging software engineer for its Observe and Accelerate team. This role involves using AI-assisted workflows to validate software and improve performance analysis tools across various platforms. The ideal candidate will have 1-2 years of engineering experience, ...

Forward Deployed Software Engineer UK Government

Overview Forward Deployed Software Engineers (FDSEs) understand our customers' greatest pain points and design end‑to‑end solutions to address them. FDSEs solicit constant feedback on their work from both customers and colleagues, improving our products over time with rapid iteration cycles. FDSE ...

Senior Spacecraft Test Bench Software Engineer

Airbus S.A.S. is seeking an experienced Software Engineer to join the Simulation & Modelling team in Stevenage, England. This role will focus on designing and developing simulators and test benches, crucial for validating spacecraft functionalities. The company offers a supportive environment with a cl ...

Principal Software Engineer — Lead AI Platforms

Flawless is looking for exceptional software engineers to join their Product Engineering team in the UK. This role spans various seniority levels, including Senior, Staff, and Principal Engineer positions. You will collaborate with creative teams to help shape innovative AI-powered products such as DeepEditor ...

Staff Software Engineer Infrastructure: Scale Performance

Oliver Bernard is seeking a Staff Software Engineer – Infrastructure in London to lead the core data infrastructure for a cutting-edge AI startup. The role requires proven backend experience and proficiency in Python or Go. You'll oversee critical systems while helping scale the platform tremendously. ...

Software Engineer I, Forensic Intelligence (Hybrid)

A global technology company in Greater London is seeking a Software Engineer in Forensic Intelligence. You will develop features for forensic tools that aid public safety agencies in analyzing video evidence. Applicants should have a Bachelor's in Computer Science or related field and experience with TypeScript, ...

Senior Software Engineer (C++, Go, Java)

Senior Software Engineer (C++, Java or Go) Overview Ocho is delighted to be exclusively partnering with our client to recruit a Senior Software Engineer into one of the most successful and fastest-growing technology divisions within a global software organisation. This is a rare o ...

Low Latency Equities Risk Software Engineer

Barclays is seeking an Equities Risk Software Engineer in London to build high-performance Java services for risk functions. The role requires solid Java skills and a strong understanding of concurrency. Key responsibilities include developing scalable software, collaborating across teams, and ensuring ...

🚀 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