1,957,466+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Lead Software Engineer, back end (L5/6)

What you’ll do at Synthesia: You will work end-to-end, contributing to our client application written in React and our monolithic backend written in Python, and managing the safe release of your features to our customer base. You will have sole ownership of projects that span mont ...

Frontend Engineer

About algo1 We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the intelligence of modern machine learning ...

Front end Engineer

The Opportunity A great opportunity for a front-end engineer who specializes in data visualization and analytical user experiences to join our fast-growing Performance Science team. You’ll build interactive UIs, analytical tools, and bespoke visualisations to make complex datasets immediately und ...

Lead Software Engineer Front end

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Join us to shape the future of technology in financial services. You'll have the opportunity to push boundaries, solve complex challenges, and make a meaningful ...

Senior Product Engineer

London, Old Street, Onsite, AI Agents, Skippr AI (direct, no agency please) About the role We’re looking for a Product Engineer to join our small but high-calibre team in Old St . We’re a team that’s 100% AI-native — not just building AI agents, but using them daily to supe ...

AI Engineer

About the Company Stackfix is a high-growth AI implementation firm backed by Tier 1 investors. They bridge the gap between frontier AI and real-world business operations, deploying production-grade AI systems for PE funds and manufacturers, rather than building generic SaaS tools. About ...

Remote Senior Software Engineer (LLM) 34953

Remote Senior Software Engineer (LLM) - 34953 Remote Senior Software Engineer (LLM) - 34953 2 days ago Be among the first 25 applicants Turing is one of the world’s fastest-growing AI companies, pushing the boundaries of AI-assisted software development. Our mission is to empower the ...

Senior Robotics Software Engineer (m/f/d... Software UK

Senior Robotics Software Engineer (m/f/d) London About the Role We’re looking for a motivated Senior Robotics Software Engineer to join our software team who'll create cutting‑edge, unmanned ground vehicles for governmental and civilian applications. In your day‑to‑day w ...

Cyber Software Engineer National Security

The successful applicant will join teams working at the forefront of AI/DS, Cyber, Cloud, DevOps/SRE and Platform Engineering. With long-term programmes secured across the latest frameworks, this position offers the chance to be part of an exciting growth journey with significant technical depth and variety. As ...

Senior Software Engineer SC cleared

Senior Software Engineer Hybrid - 2 days per week onsite in either Romsey / Gloucester / Woking Up to £85,000 per annum + benefits SC clearance We are seeking a Senior Software Engineer to join a high-performing team delivering advanced software for RF communication and sensor-based products. You'll lead on the ...

Senior Software Engineer SC cleared

Senior Software Engineer Hybrid - 2 days per week onsite in either Romsey / Gloucester / Woking Up to £85,000 per annum + benefits SC clearance We are seeking a Senior Software Engineer to join a high-performing team delivering advanced software for RF communication and sensor-based products. You'll lead on the ...

Staff Software Engineer C++ Hybrid

The Role I'm looking for a skilled Staff C / C++ Engineer to join a thriving engineering team. Youll work on performance-critical systems, contributing to the design, development, and optimisation of core components that power othe plat ...

Test System Software Engineer (Python)

About Camlin Camlin is a global technology leader that operates with the vision of bringing revolutionary products to life for a wide range of industries, including power and rail, and also has interests in a number of R&D projects in a variety of scientific sectors. At Camlin ...

Software Engineer (RISC V/Compiler)

This includes work in areas such as: - RISC-V firmware and driver development. - Software hardening and security tools. - Embedded operating systems (in Rust and C). - Compilers, code generators, and linters. - Simulators and emulators (e.g. QEMU). - Electr ...

Senior Software Engineer (Data Platforms)

Principal Data Platform Engineer Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Aurora helps governments, investors, and utilities make billion‑dollar decisions on the jou ...

Lead Software Engineer (C# .NET)

Job Description Lead Software Engineer (EW – Electronic Warfare) Salary Range: £65,000 – £75,000 Leonardo UK operates a grade‑based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within ...

Autonomous Underwater Robotics Software Engineer

Advanced Resource Managers is seeking an experienced Application Software Engineer to join a leading engineering team developing innovative software solutions for advanced underwater robotics systems. This role involves designing and implementing software solutions for underwater vehicles. The ideal ca ...

Senior Staff Software Engineer, AeroParker

Who We Are The real world is the next frontier, and at Metropolis, we are creating the artificial intelligence to make it responsive. We are pioneering the Recognition Economy — a future where mundane repetition disappears and being known unlocks access, comfort, and belonging everywhere you go. ...

Software Engineer (Data Services), London

Your Impact This is an exciting opportunity for versatile software engineers to work in a fast‑paced, research‑facing environment within a small team. You will contribute significantly to a world‑class ML‑based software platform set to transform the bio‑pharmaceutical world. We need creative thin ...

Software Engineer Hybrid EdTech Platform

hackajob is collaborating with Tes to find a Software Engineer in Sheffield. This role involves delivering high-quality code in a hybrid working pattern, requiring 3 days in the office. Your responsibilities will include participating in agile ceremonies and writing tests. The position offers up to £60 ...

Founding Software Engineer (Data Science)

Job title: Founding Software Engineer (Data Science) Job type: Permanent | Full-time Indico Labs is a London-based, fast-growing Research Technology startup. We are redefining market research by empowering the world’s leading agencies to scale 10x faster through an AI platfo ...

Senior Software Engineer Data Infrastructure

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has sh ...

AI Driven Automation & Software Engineer

Equals One Ltd in Leeds is seeking a motivated Automation & Software Developer to join their team. This role involves working closely with the Technical Director to design, build, and maintain systems that enhance business operations across retail brands. Key responsibilities include developing softwar ...

AI Driven Software Engineer Intern

Bending Spoons in the UK is searching for a talented software developer who will take ownership of projects from conception to production. You will work with small, agile teams to create impactful software solutions while leveraging advanced AI tools to enhance your workflow. Ideal candidates are ambit ...

Software Engineer, Org Systems & Intelligence

Apple is seeking a talented Software Engineer to join their ASE Organizational Systems & Intelligence team. This role focuses on building tools and platforms that enhance team operations and insights across Apple Service Engineering. Responsibilities include collaborating with product managers, develop ...

Lifing System Senior Software Engineer

We're working with a leading Motorsport team operating at the cutting edge of technology and performance. They’re looking for a Senior Software Engineer to take ownership of a business‑critical lifing system, helping to develop, enhance and support applications that underpin key operational decisions acros ...

Hybrid Payment Terminal Software Engineer

Worldpay is seeking a Payment Terminal Software Engineer to enhance and develop solutions for payment terminals. You will leverage your expertise in payment terminals to design improvements and resolve issues in software. The role offers a hybrid working model, with an office based in Birmingham and fl ...

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