2,335,978+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 2026

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Go Backend Engineer – Agentic Systems & Simulations

Anduril Industries, Inc. is looking for a motivated Software Engineer for their Advanced Capabilities team in London. You will work on developing simulation capabilities and architecting systems that enhance the interaction between autonomous systems and humans in complex environments. The ideal candid ...

Dubai Relocation AI Solutions Engineer

oryxsearch.io is seeking a Forward Deployed Engineer for a high-impact role that directly influences client operations through custom AI-powered software solutions. Based in the United Kingdom, the position involves close collaboration with customers to tackle complex problems, designing applications, and taking ...

Lead Python Engineer, Front Office Credit Technology

J.P. MORGAN in Glasgow seeks a Lead Software Engineer to develop scalable front‑office solutions for trading and P&L management. You will work on high-quality production code, troubleshoot complex issues, and lead technological practices in an agile environment. Ideal candidates will possess hands-on e ...

Senior Python Backend Engineer Remote or Hybrid

Roc Search is seeking an experienced Software Engineer to join their Internal Tools team in London. This role is focused on building systems that support deployment and operation of their AI products, requiring Python expertise and experience in web applications. The position offers a hybrid or remote ...

Senior Front End Engineer | Angular & TypeScript | London

Principle HR is seeking a Senior Front End Software Engineer to join a prominent technology organization in London. You will work on a well-established internal platform, responsible for owning features from day one. The role requires 5 years of experience, with an emphasis on Angular and TypeScript. T ...

Senior Product Security Engineer Cloud Native Security

9fin Limited is seeking a Senior Product Security Engineer to join our software engineering teams and enhance the security of our products as we scale. In this hands-on role, you will ensure that security considerations are embedded in product design, collaborating closely with product and platform engineerin ...

DevOps Engineer: Core Banking Platform & Cloud

Infinity Quest is seeking a skilled DevOps Engineer in Manchester, UK, to drive the design and support of tools that enhance software delivery. The role requires expertise in CI/CD pipelines and various DevOps tools, as well as hands-on cloud platform experience. Key responsibilities include implementi ...

Embedded R&D Engineer Linux/ARM, C/C++

A leading energy solutions company is seeking an R&D Engineer specializing in embedded and Linux systems. The role involves designing and developing software for security systems, as well as building energy management systems. Candidates should possess a minimum of a bachelor's degree, at least four years of emb ...

Bath Structural Design Engineer — Client Facing, Flexible

A dynamic civil and structural engineering consultancy in Bath is seeking a Structural Engineer with 5-8 years of UK design experience. The role involves diverse projects, from national logistics hubs to bespoke local works. Responsibilities include hands-on project delivery, client liaison, and technical commun ...

Lead Substation Engineer: Secondary Design & Turnkey HV

Snc-Lavalin is hiring a Lead Secondary Engineer in Birmingham, UK. The role involves technical leadership for secondary engineering in projects related to HV GIS/AIS substations, including managing design packages and coordinating with local and remote teams. Candidates should have a degree in electric ...

Embedded Systems Engineer — Global Leadership Rotations

Eaton Corporation is seeking an Embedded Systems Engineer as part of its Engineering & Technology Early Talent Leadership Development Program. This program kick-starts your career with leadership training and rotational assignments across various business areas. In this role, you will join the Embedded ...

Lead Firmware Architect Hybrid, High Impact Tech

Talentedge is supporting a well-known consumer products business in their search for a Lead Firmware Engineer in Wembley, United Kingdom. This role offers the opportunity to lead a small team, own software architecture decisions, and maintain hands-on engagement with embedded systems development. The i ...

Senior AI Engineer Python & ML Production Lead

Just Eat Takeaway.com is looking for a Senior Engineer to join their Enterprise AI team in Greater London. In this role, you will design, build, and deploy AI-powered solutions that provide significant business value. You will be responsible for developing scalable software solutions, leading AI projec ...

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 ...

Platform Engineer: Build DevOps Tools & Pipelines

CGG Services (UK) Limited in Crawley is seeking a Software Development Engineer to design, build, and maintain internal tools and services for engineering teams. This role emphasizes automation and improving developer workflows, requiring solid programming experience and familiarity with modern technology sta ...

Lead Python Architect — FinTech Scaleup, Hybrid London

Hunter Bond is seeking a Lead Software Engineer to join their elite FinTech scale-up in London. The role offers a competitive salary of up to £200k, plus a bonus and comprehensive benefits, allowing you to shape cutting-edge financial applications. You'll lead a team of exceptional Python developers an ...

Senior Platform Engineer – Cloud, DevOps, IaC | Hybrid

Raytheon Systems is seeking a Senior Platform Engineer located in Manchester, UK. The role requires deploying applications and software to cloud and on-prem environments, ensuring systems are safe and secure against cyber threats. Applicants should have experience with Agile methodologies, cloud techno ...

Data Platform Engineer — Scalable Game Data Pipelines

Rocket Science Group is seeking a Data Platform Engineer based in Cardiff. This hybrid role involves designing and building reliable data systems to support game platforms. Candidates should have strong data engineering skills, adaptability, and a good software engineering background. Key responsibilit ...

Senior Product Engineer — FinTech, End to End Delivery

Oneiro Solutions is looking for a Senior Product Engineer in Edinburgh to lead the design and implementation of high-quality features for financial institutions. You will take ownership of product work from discovery through to delivery, ensuring reliability and performance. The ideal candidate has ove ...

Low Latency E Trading Engineer | Hybrid & High Impact

Citi is seeking a Software Engineer within its Equities Technology team in Greater London. The role focuses on designing and developing low-latency execution platforms for electronic trading. Key responsibilities include core development, collaboration with traders for product features, and improving t ...

Field Engineer, SWAT: DataOps & Cloud Infra Expert

Astronomer is looking for a Field Engineer to join their team in Greater London. You will deliver world-class technical solutions centered around Apache Airflow, helping clients implement Astronomer’s software and guiding them through their data journeys. The ideal candidate is experienced in Kubernete ...

Graduate Mechanical Design Engineer – Automation & Innovation

A global engineering company in the UK is searching for a Graduate Mechanical Design Engineer. In this role, you will work with experienced engineers to develop innovative automation solutions in diverse industries. You are expected to have a degree in Mechanical Engineering and experience with 3D modelling soft ...

Research Engineer Synthetic Environments for AI Agents

Axiōma Search seeks a skilled engineer to build training and evaluation environments for agentic systems. You'll create synthetic websites and workflows reflecting real-world tasks. Ideal candidates possess strong software engineering skills in Python, with experience in reinforcement learning and simulations ...

Senior AI Solutions Engineer Real World, Secure Deployments

Few&Far in Belfast is seeking a Principal AI Solutions Engineer to lead a high-performing team in building and deploying advanced AI solutions. This role involves engineering tasks from prototype to production while providing direct customer solutions. The ideal candidate will have a robust software en ...

Principal Engineer — AI SaaS Architecture & Leadership

Fin, located in Greater London, is seeking a Principal Engineer to lead key strategic initiatives within engineering. You will collaborate with cross-disciplinary teams, contribute to software development, and coach other engineers. Ideal candidates have 2+ years as a technical leader, a strong backgro ...

Production ML Engineer AI for National Security

A technology company in Cheltenham is looking for a Machine Learning Implementation Engineer to enhance AI models into production-ready software. You will be responsible for maturing complex algorithms, integrating them into larger systems, and ensuring they are robust and scalable. The ideal candidate should po ...

Lead Rust Engineer Low Latency Robotics (Hybrid UK)

A leading technology scale-up in the UK is seeking a Lead Rust Engineer to architect high-performance systems for aerial intelligence. In this hybrid role, you'll work with a team to develop software for coordinating robotic platforms, utilizing your experience with Rust and asynchronous frameworks like Tokio. I ...

Applied AI/ML Lead VP, Financial Services AI

NLP PEOPLE is seeking an Applied AI / ML Lead – Vice President – Machine Learning Engineer to advance AI in financial services. Located in Greater London, the role combines technical leadership with responsibilities in building scalable data science capabilities and collaborating with software engineering teams. ...

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 Linux Kernel Driver Engineer Networking & 800G

AMD is seeking a Senior Software Development Engineer to design and implement Linux network device drivers for their next generation of 800G+ and SmartNIC adapters. The ideal candidate will have a strong background in C programming and Linux kernel development, with at least 5 years of experience in related fiel ...

Java Backend Engineer — Cloud, Microservices & CI/CD

Tesco UK is seeking a mid-level Software Development Engineer (SDE2) to build scalable, resilient Java-based backend services that support fulfilment workflows. The role involves collaborating with various stakeholders, writing maintainable code, and onboarding junior engineers. Ideal candidates will h ...

Hybrid London: Senior Real Time AI Infra Engineer

SR2 is looking for a Senior Product Engineer in London to join a hybrid startup. This role involves building infrastructure and intelligent software systems for operational workflows, requiring expertise in languages like Golang, Rust, and TypeScript. The environment is designed for engineers who thriv ...

Automation QA Engineer: Playwright & API Testing

A leading technology company in Manchester seeks a motivated Automation Engineer to enhance quality assurance. The candidate will develop automated tests focusing on web applications and APIs, ensuring software quality through collaboration and effective testing strategies. Applicants should have at least 2 year ...

Senior Aero Mechanical Design Engineer Wind Tunnel Lead

Cadillac F1 Team is seeking a Senior Aero Mechanical Design Engineer at Silverstone. In this role, you will help develop the team's wind tunnel model, designing mechanical and electromechanical systems. You'll ensure high-quality designs and collaborate closely with the aero department. The ideal candi ...

Senior Civil Engineer – Hybrid: Sustainable Land Development

A leading engineering consultancy in Cambridge is seeking a Civil Engineer focused on sustainable land development projects. The role involves designing drainage strategies, preparing technical reports, and engaging with clients and local authorities. Ideal candidates will hold an MEng or BEng in Civil Engineeri ...

Hybrid Senior C++ Engineer – High Performance, Low Latency

Darktrace Ltd in Cambridge is looking for a Senior C++ Software Engineer to join their R&D team. In this hybrid role, you'll design and develop high-performance systems using modern C++. You will contribute to innovative solutions that enhance Darktrace’s cybersecurity services. The position requires s ...

Senior Electrical Design Engineer — Hybrid, Career Growth

Carrington West is seeking a Senior Electrical Design Engineer in Newcastle with hybrid working. You will lead electrical designs for innovative building services projects, working across various sectors including Commercial, Education, and Healthcare. The successful candidate should have strong experi ...

Senior DevOps Engineer — Hybrid, AWS & Kubernetes

Netcompany is seeking an experienced DevOps Engineer in Leeds, UK, responsible for implementing improvements and enhancing software quality. You will work in a multi-disciplinary team to reach shared goals using best practices in DevOps. Key responsibilities include stakeholder management, implementing ...

Elasticsearch Distributed Systems Principal Engineer

Elastic is seeking a Principal Software Engineer I to join the Elasticsearch - Distributed Systems team in Greater London. This role focuses on enhancing Elasticsearch’s scale, performance, and resilience, particularly in how nodes communicate and manage data efficiently. Ideal candidates will have st ...

Android Engineer – Signals & Data Platform (Hybrid, Equity)

Spotify AB is looking for an Android Engineer to enhance the consumer experience by developing software at Spotify's scale. This role requires collaboration with cross-functional teams to build and maintain mobile components that capture user behavior signals. You will use your expertise in Kotlin and Android ...

Senior Java/Spring Engineer Agile & Equity

ANDigital, based in Greater London, is seeking a passionate Senior Software Engineer to design and develop innovative customer-facing products. In our Agile environment, you will lead by example while influencing and mentoring your team, ensuring high engineering standards. Ideal candidates should have ...

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 ...

Senior Automation Solutions Engineer – Lead Global Projects (EU)

United States Digital Space LLC is looking for an experienced Automation Solutions Engineer to enhance productivity within the Amazon Delivery stations. This role involves managing large-scale projects and providing technical solutions across the EU. Candidates should have strong PLC programming skills and a ...

C# .NET Backend Engineer – London Onsite, £90k + Bonus

Client Server is seeking an experienced Software Engineer / Developer (C# .Net) to join our London team. You will work in a plush City office and have the opportunity to earn a salary up to £90k along with bonuses paid every six months based on performance. The ideal candidate will have strong knowledg ...

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