2,330,368+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 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

Healthcare AI Engineer — Enterprise Deployments + Equity

TechTree, a stealth healthcare AI startup, is looking for a Software Engineer to deploy AI systems, focusing on patient communication and secure data layers. The role involves working with hospitals to develop scalable, enterprise-grade systems that integrate high-impact problems into healthcare. The i ...

London ML Engineer: AI CAD & Simulation, 4 days in office

A cutting-edge tech company based in London is seeking an experienced engineer to take on a hands-on role in developing AI-powered software solutions. You will collaborate directly with the CTO to design vital product functionalities, focusing on numerical optimisation, physical simulation, and advanced robotic ...

Senior Code & Architecture Auditor

Intelance is seeking a hands-on Principal Engineer for a technology audit with a major UK retailer. The ideal candidate will review home-built platforms and assess their quality, helping to translate findings into clear recommendations for senior management. Candidates should have extensive software engineeri ...

Senior Temporary Works Engineer Lead Major Projects

A leading international design consultancy based in London seeks a Temporary Works Engineer with at least 5 years of experience. The successful candidate will manage substantial projects, up to £100 million, closely collaborating with the permanent works team. The role requires the right to work in the UK and de ...

Senior Android Engineer Digital Identity & Fintech Impact

A leading global financial services firm is seeking a Software Engineer III - Android to join their dynamic team in London. This role involves developing customer-centric products, collaborating with cross-functional teams, and ensuring high code quality. Ideal candidates will have a Bachelor's degree in Compute ...

Lead Platform Engineer: Architect the Next Gen Agentic Platform

Ravio is seeking a Lead Software Engineer to join our engineering team in Greater London. In this hands-on individual contributor role, you will lead technical decision-making and be instrumental in our platform shift to an agent-based architecture. The ideal candidate has 8+ years of commercial engine ...

Senior Kotlin Engineer Event Streaming/Sourcing (Hybrid)

Salt Search is hiring a Senior Kotlin Software Engineer to join a cloud-hosted platform team in London. This hybrid role emphasizes high-quality engineering and collaboration in a fast-paced investment banking environment. The ideal candidate will have robust Kotlin development skills, experience with ...

Staff Security Engineer — Secure AI & Cloud at Scale

Data Idols is seeking a Staff Security Engineer to enhance the security posture of their innovative tech business in London. This role focuses on securing applications and cloud infrastructure, embedding security throughout the software lifecycle. As part of a collaborative engineering culture, you wil ...

Senior Temporary Works Design Engineer – Structures

Laing O'Rourke in Dartford is seeking an experienced Senior Design Engineer to deliver high-quality temporary works designs for construction projects. You will work with internal design teams and stakeholders, ensuring effective integration with overall engineering solutions. The ideal candidate will p ...

Senior Real Time Embedded Motor Drive Engineer

KO2 Embedded Recruitment Solutions Ltd is looking for an Embedded Software Engineer – Motor Drives based in Worthing, offering a salary up to £75,000. This hybrid role involves developing advanced motor drive technology and collaborating with multi-disciplinary teams on innovative applications. The ide ...

Backend Engineer AI‑Driven Recommendations

JD.COM is looking for a Software Engineer - Recommendation to join its technical team at Joybuy in London, UK. The ideal candidate will possess extensive experience with Java and Spring Boot, focusing on developing backend services that enhance customer recommendations through machine learning integration. </ ...

Senior .NET/C# Engineer — Remote, Azure & SaaS Impact

Ocho People is seeking a Senior .NET / C# Engineer for a fully remote position within a stable SaaS business in Belfast. The role requires strong expertise in C#, .NET, Azure, and SQL, focusing on delivering scalable software solutions and collaborating with a proficient engineering team. With a compet ...

Senior Systems Engineer Optical Ground Station Ops (Hybrid)

Energy Jobline ZR is seeking a Systems Engineer to support the design and integration of cloud software for Optical Ground Stations. This role involves collaborating with engineering teams and leading a small team to ensure timely project delivery. Ideal candidates will have 5+ years of relevant experi ...

Senior C# Backend Engineer – FinTech, Newcastle (Onsite)

Client Server Ltd. is seeking a Senior C# Developer / Backend Software Engineer to join their team in Newcastle upon Tyne. This role offers the chance to work on complex, high-impact systems within a fast-growing FinTech scale-up. As part of a talented team, you will be responsible for developing the c ...

Global SaaS Support Engineer (English/French)

LexisNexis Risk Solutions is looking for a Support Engineer in Greater London to enhance technical customer relationships. You will provide guidance on software solutions, ensuring their functionality and assisting customers with complex issues. This role requires strong communication skills in English ...

Structural Engineer: Diverse Projects, Flexible Hours

Strata Consulting, based in Wetherby, is seeking a motivated Structural Engineer to join their expanding team. This position offers a chance to work on a diverse range of projects, from bespoke residential developments to larger commercial schemes. The ideal candidate will have a degree in Civil or Str ...

Senior ML Engineer for Scalable Healthcare AI (Hybrid)

Deep Medical, based in London, is looking for a Senior ML Engineer to architect, build, and scale machine learning systems. This hybrid role includes collaborating with product, engineering, and CS teams to implement core product capabilities. The ideal candidate will have proven experience in software ...

Cloud Platform Engineer IaC, IAM & Networking

NEC Software Solutions (India) is seeking a Cloud Platform Engineer in Tees Valley to build and maintain core cloud platform services. This role focuses on applying DevOps principles, managing infrastructure, and operating identity integrations. Key responsibilities include automating workflows, supporting pl ...

Graduate DevSecOps Engineer: Cloud, Security & CI/CD

Web3adaptive is seeking a Graduate DevSecOps Engineer to join their engineering team in London. This role involves building and operating the platform, embedding security controls, and managing cloud infrastructure. The ideal candidate should have a degree in Computer Science or Engineering, a passion ...

Control Systems Engineer PLC Design & Project Lead

TipTopJob is looking for a Control Systems Engineer in Saltash, United Kingdom. You will design and develop controls software for manufacturing equipment, manage systems projects, and provide technical support to clients. The ideal candidate should have experience in Control Systems Engineering and PLC ...

Electrical Design Engineer Global Manufacturing Impact

TipTopJob in Saltash is seeking an Electrical Design Engineer to work on innovative projects like luxury yacht hulls and wind turbine blades. You will research design concepts, create detailed specifications, and provide on-site training to clients. The ideal candidate will hold a relevant engineering ...

Lead Platform Engineer FinTech, Scalable Architecture

Barclays is looking for a Principal Software Engineer to lead architectural design and mentor engineers in London. You’ll design resilient distributed services using modern JVM languages and work within a collaborative, innovative environment. Your experience in fintech and skills in cloud-native technology w ...

ATM Hardware Engineer – Mechanical Design & Prototyping

NCR Atleos, based in Dundee, is seeking a Hardware Engineer to join their Product Engineering team. This role emphasizes the design and testing of components for ATMs, with a strong mechanical engineering background required. Responsibilities include problem-solving, conducting First Article Inspection ...

Lead Platform Engineer FinTech, Scalable Architecture

Barclays is looking for a Principal Software Engineer to lead architectural design and mentor engineers in London. You’ll design resilient distributed services using modern JVM languages and work within a collaborative, innovative environment. Your experience in fintech and skills in cloud-native technology w ...

Hands‑On Manufacturing Engineer: Growth & Improvements

Enterprise Recruitment Ltd is seeking a Manufacturing Engineer in Cambridgeshire and Peterborough. The role involves working directly on the shop floor to address production issues and supporting process improvements. Candidates should have a background in manufacturing or mechanical engineering, with experie ...

LabVIEW Engineer for Semiconductor Test Systems

PragmatIC in Cambridge is seeking an enthusiastic LabVIEW engineer to enhance our testing and evaluation team. You'll develop innovative control software for semiconductor test systems and refine our current testing processes using LabVIEW. The ideal candidate will hold a degree in a relevant disciplin ...

BIM Civil Engineer — 4D Sequencing & 3D Modeling

EDF Energy is looking for a skilled engineer for a role involving the production of construction information, including models and drawings. Key responsibilities include site planning, clash detection, and generating reports based on the project program. The ideal candidate will have 2+ years of experi ...

Senior System Engineer – Space Systems & Tech Leadership

Starion Group is seeking a Senior System Engineer based in Bath, UK, to support the UK QKD programme. This role involves managing complex software and networking projects while collaborating with teams in the UK, Belgium, and Luxembourg. The ideal candidate will possess strong leadership skills, an und ...

Senior AI Architect for Generative & Multi Modal Systems

A leading technology consulting firm in London seeks a Lead AI Engineer (Principal Consultant) to architect and deploy cutting-edge AI systems across the financial services sector. In this hybrid role, you will utilize your expertise in AI/ML and software development to lead teams and drive impactful outcomes. T ...

Junior QA Engineer & Test Analyst — Hybrid/Remote

Ashdown Group is seeking a Junior QA Engineer for a 6-month fixed-term contract. This position offers a salary of circa £30,000 pro rata and includes the flexibility of predominantly Work-From-Home options, though occasional presence in Bishop’s Stortford is required. The successful candidate will be r ...

Platform Automation Engineer — Testing at Scale

Apple Inc. is looking for a Software Engineer in London to develop automation libraries and APIs that enable testing across its device ecosystem. This role involves collaborating with hardware and platform teams to drive testing requirements and adopting unified automation architecture. The ideal candi ...

Cloud Data Engineer National Security (Security Cleared)

Sanderson Government & Defence is seeking a Senior Software Engineer specializing in National Security (Data Systems) in Gloucester. You will design scalable data processing solutions and lead the development of cloud-native systems to address critical security challenges. The ideal candidate will have ...

IT Support & Automation Engineer Remote Ready

Fonoa is seeking an IT Engineer to enhance internal IT processes and support a diverse global team. In this role, you’ll work closely with People Ops, Finance, Legal, and Sales teams to ensure optimal IT experiences. You’ll manage hardware, software, and access for new employees while being involved in ...

Infrastructure Engineer Flexible Hours & Chartership

Aztrum is seeking an experienced Infrastructure Engineer for its Sheffield office. This role involves designing drainage systems, preparing highway designs, and mentoring Graduate Engineers. The ideal candidate has over 5 years of experience, particularly in residential infrastructure and good knowledge of de ...

Senior UI Engineer (Unity/C++) Cross Platform & UX

Sports Interactive Ltd is seeking a Senior Software Engineer (UI) for a speculative application. The position requires extensive experience with C++ and C#, collaboration with UI/UX teams, and a firm grasp of Unity. This hybrid role is based in London, promoting creativity and innovation in game development. ...

IT Support Engineer: Deskside & Remote Support

ECS Resource Group Ltd is seeking an IT Support Engineer for an onsite position in Lytham. The role requires providing both remote and deskside support to ensure high levels of service delivery for customers. Candidates should have at least 2 years of IT engineering experience and strong troubleshooting skill ...

Lead Python Engineer: Data Pipelines & Trading Systems

Cboe, located in Greater London, is seeking a Principal Python Software Engineer to join a talented team focused on enhancing the data pipeline and event streaming capabilities for Europe’s largest equities exchange. This role involves designing reliable Python systems, managing complex projects, and mentorin ...

GPU Compiler Engineer Shape Next Gen SoCs and LLVM

MediaTek Research Lab Inc. in Cambourne, Cambridge, is looking for a GPU Compiler Engineer to define software architecture and work on compiler optimizations. The ideal candidate will have a degree in Computer Science or a related field and experience in C/C++ programming, as well as familiarity with LLVM. </ ...

Onsite Lisbon Backend Engineer — Node.js, TypeScript & Cloud

Air Ltd is seeking a Backend Software Engineer in Oxford to design and maintain server-side components of applications. In this fully onsite role, you will collaborate with product managers and frontend developers to deliver scalable backend services. The ideal candidate will have over 5 years of backe ...

Lead Platform Engineer — Cloud & DevOps Champion

Kainos is seeking a Lead Platform Engineer (Consultant) in Belfast to lead teams in designing and optimizing modern digital service platforms. The ideal candidate must possess strong communication skills and demonstrate experience in team leadership, DevOps culture, and AWS solutions. This role involve ...

SoC Virtual Platform Engineer

Qualcomm is seeking a Software Virtual Platform Engineer in Cambridge, England, to specialize in virtual platforms like SystemC TLM and QEMU. The role involves developing high-level system virtual models of complex SoC hardware, collaborating with engineers to create detailed models. Ideal candidates w ...

Backend Engineer, AI & Data Products — Automations

Spendesk is looking for a Backend Software Engineer (IC3) to join our AI & Data Products squad. In this role, you will develop backend services and APIs that enhance AI and ML product features. You will collaborate closely with ML Engineers, contributing to production-ready solutions that enable automa ...

Junior–Mid Web Engineer: Next.js + Laravel (TDD)

jobr.pro is looking for a motivated Junior to Mid-Level Software Engineer to join their digital website engineering team in Crewe. You will develop web applications using Next.js and Laravel while collaborating with team members to create dynamic user interfaces. The ideal candidate will have experienc ...

Staff Security Engineer — Secure AI & Cloud at Scale

Data Idols is seeking a Staff Security Engineer to enhance the security posture of their innovative tech business in London. This role focuses on securing applications and cloud infrastructure, embedding security throughout the software lifecycle. As part of a collaborative engineering culture, you wil ...

UK Based SRE: Scalable SaaS, Auto Scaling & Observability

StarCompliance is seeking a highly skilled Site Reliability Engineer to help transform our legacy systems into scalable, multi-tenant microservices. You will collaborate closely with multiple departments to enhance our software delivery and operational reliability within the cloud environment. The idea ...

AI Driven Security Automation Engineer

Gelato is seeking an Automation Engineer to join our security team in Greater London. This role focuses on designing and building automated security workflows using AI-driven methods. You will streamline processes and enhance security measures without slowing down operations. The ideal candidate has a ...

Backend Engineering Lead — AI & Microservices (Hybrid, Equity)

MCS Group is looking for a hands-on Engineering Team Lead based in Belfast. This role suits a strong Senior or Lead software Engineer keen on transitioning into people leadership while remaining close to technology. The successful candidate will design scalable backend systems and mentor a high-perform ...

Senior DevOps Engineer — Cloud, Kubernetes & CI/CD (Hybrid)

Netcompany Group A/S in Greater London is seeking a skilled DevOps Engineer to enhance software quality and improve delivery times. Candidates should have over 5 years of experience in DevOps, with strong knowledge of AWS and cloud services. This role offers a hybrid working model, private medical care ...

Blockchain Backend Engineer Solana

Fireblocks is looking for a Blockchain Engineer to join the Backend Infrastructure team in Greater London. This role involves building and maintaining the blockchain management platform, focusing on integrating blockchain technologies and implementing high-throughput software solutions. Ideal candidate ...

Senior Data Platform Engineer – Java/Micronaut (Hybrid)

Marks & Spencer Plc is seeking a Senior Software Engineer to enhance their M&S Foods Product team. This role involves building and evolving reliable data services, shaping the technical direction of food data platforms, and ensuring technical excellence within an inclusive culture. Ideal candidates hav ...

🚀 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

    Buffering Video...

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