Full Stack Software Engineer Reactruby Jobs in UK

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Senior Software Engineer

I'm supporting a rapidly scaling Bristol-based tech company that's building cutting-edge software for IoT devices, helping create safer, healthier, more connected homes. With around 90% of their work focused on the social housing sector, this is a genuine tech-for-good opportunity where the code you write ...

Senior Software Engineer

Overview Senior Engineer - Up to £140,000 + great benefits - Remote first business My client is a leading software business in the security space and looking to build their first UK software engineering team. They were founded around 10 years ago, have circa 500 employees globally and are l ...

Java Software Engineer

Experience in Kotlin (or significant Java experience ) Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next or be unblocked by others Experience working with standard developer collaboration Tools: Githu ...

Software QA Engineer

Software QA Engineer page is loaded## Software QA Engineerlocations: Newport, United Kingdomtime type: Full timeposted on: Posted Yesterdayjob requisition id: **Company Overview**The SPTS division of KLA, designs, manufactures and markets wafer processing solutions for the global semiconductor and relat ...

Ardupilot Software Engineer

Ardupilot Software Engineer Vacancy Reference: CLA- 415 Position: Full-time Location: Salisbury, Wiltshire, UK Salary: £50,000 - £60,000 At Callen-Lenz, we are expanding the limits of what is possible. We specialise in crewed and uncrewed aircraft operations and te ...

Lead Software Engineer

Opportunity to shine through technical leadership: evolving backend architecture, setting coding standards and influencing technology choices. We are partnering up with a B2B supplier based in Newcastle (one day a week in office) who are looking for a backend engineer to set the technical vision an ...

Senior Software Engineer

StrideUpis leading a new era of values-driven finance. Ranked the 5th fastest growing fintech in the UK and Ireland in 2025, we have already deployed hundreds of millions in property finance, supporting people in achieving their financial goals. What makes us different is how we combine purpose wit ...

Lead Software Engineer

Lead Engineer Location: Reading area Hybrid: 2 times a week in office Security Clearance: Must currently hold, or have recently held, SC or NATO Secret clearance Salary: £80k - £90k + bonus + healthcare We're looking for a Lead Engineer to join a business working on ...

Lead Software Engineer

Job Description The Opportunity Here at Leonardo, we are seeking experienced Lead Software Engineers to take on pivotal Technical Authority roles within our Integrated Sensors & Protection line of business, working on a range of defence projects. Your Impact This role ...

Java Software Engineer

2 X Software Engineers (Java / Data Platform) Remote First (Must be UK based with full right to work with no sponsorship) **Monthly meetups in London - fully expensed /optional. Access to offices should you prefer I’m working with a global consumer platform processing mill ...

Software Engineer II

Call Box exists to grow people. We believe that everyone wants to become a better version of themselves, and we work hard to provide software and a culture that maximizes that growth mindset. We hire smart and ambitious doers in order to set them loose in an exciting and complex technology business where t ...

Software Engineer – 11508AW

11508AW£38k – 45k per year Software Engineer Hybrid working 2 days onsite per week We are seeking a talented and forward‑thinking Software Engineer to join our clients growing team. In this role, you will design, develop, test, and maintain both desktop and web applications usi ...

LabVIEW Software Engineer

The right to work in the UK without sponsorship is essential for this position. An exciting opportunity for a LabVIEW Software Engineer has arisen with an innovative photonics company developing cutting‑edge optical fibre measurement instruments and components. This is an exciting o ...

Senior Software Engineer

Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we’re more than that. ✨ Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active ...

Senior Software Engineer

StrideUpis leading a new era of values-driven finance. Ranked the 5th fastest growing fintech in the UK and Ireland in 2025, we have already deployed hundreds of millions in property finance, supporting people in achieving their financial goals. What makes us different is how we combine purpose wit ...

Software Verification Engineer

Software Verification Engineer Locations: CheltenhamDuration: 12 months initiallyRate: Negotiable on experience (Inside IR35) Key Activities Software Verification mainly in the High-Level Requirement area Essential Respons ...

Staff Software Engineer

We’re not just building better tech. We’re rewriting how data moves and what the world can do with it. With Confluent, data doesn’t sit still. Our platform puts information in motion, streaming in near real‑time so companies can react faster, build smarter, and deliver experiences as dynamic as the world a ...

Principal Software Engineer

Key Responsibilities Define and evolve the overall software architecture and technology vision for the organisation. Provide deep technical guidance to multiple engineering teams across projects. Lead the design and delivery of large-scale distributed systems that integr ...

Principal Software Engineer

Location London - Hybrid - 1-2 days a week Type Permanent No Sponsorship Available Overview We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high-performance applications across a moder ...

FrontEnd software Engineer

Senior Frontend Software Engineer (React / TypeScript) Location: Bristol, UK Working model: Hybrid – 2 days on site per week (mandatory) Role Summary We are seeking Senior Frontend Software Engineers to work within cross‑functional feature team ...

Java Software Engineer

You’ll be joining a passionate, professional and highly skilled team of developers who specialise in agile custom software development and integration at an enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of Open Source and proprietary tec ...

Software Engineer Cloud

Software Engineer – Cloud Location: Gurgaon, India. Who we are We're a multidisciplinary team of strategists, designers, engineers and product managers based in London, Delhi, Geneva and Lisbon. Our mission is to help create a world where new digital ideas transform lives ...

Backend Software Engineer

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive ...

Software Engineer Product

At Endra, our vision is to produce software of exceptional quality. Attaining this standard requires both talent and ownership. We seek individuals who care deeply about the quality of the software we deliver, whether their focus is engineering, design, support, or sales. Join our small and talented ...

Senior Software Engineer

Job Overview Our team develops the driver layer that implements widely used GPU compute and machine learning APIs, including Vulkan ML and OpenCL, enabling massively parallel workloads on Arm Mali GPUs. Mali GPUs power performance-critical applications such as machine learning, image proc ...

Senior Software Engineer

Would you like the opportunity to work with one of the leading finance companies in the UK? The Company A market leading finance company, with a high end offices in Reading, working hybrid (2 – 3 days). You will be joining an established development team during an exciting period of growt ...

Senior Software Engineer

Ready to pioneer the future of AI‑augmented engineering and redefine the speed of software delivery? This could be the place for you! $113M funded. Global footprint. AI‑powered. Human‑driven. INSHUR is the embedded insurance powerhouse for the on‑demand world. We partner with giants like Uber and A ...

Senior Software Engineer

Senior Software Engineer – R&D (Scientific Instrumentation) Job Type: Full time Location: UK – Malvern Role benefits: Competitive Salary + Benefits Package and more Become part of making the impossible possible. About the role < ...

Senior Software Engineer

Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of building and ...

Senior Software Engineer

At Quantcast, we don't just build advertising technology, we revolutionize how it works. Our AI-powered Demand Side Platform (DSP) connects the world's most ambitious marketers with their ideal audiences across the open internet, delivering results that actually move the needle. Since 2006, we've been the ...

Senior Software Engineer

Role: Senior Software Engineer Location: Royston (Onsite) Salary: Up to £65,000 DOE A growing, innovation‑led biotechnology company based in the Cambridge area is seeking a Senior Software Engineer to support the development of advanced instrumentation platforms used in cutting‑edge ...

Senior Software Engineer

Wyndy is currently looking to hire a senior software engineer to help us build, scale, and optimize our software to make finding, booking, and paying college babysitters easier and safer than ever. We need someone with excellent knowledge of: Elixir and Phoenix Ruby on Rails < ...

Senior Software Engineer

Who We Are Gram Games is the studio behind popular titles like 1010!, Six!, Merge Dragons!, and Merge Magic!, with more exciting projects in the pipeline. We are proudly part of the Zynga & Take‑Two Interactive family. We do things differently here: we work in small self‑managing teams, giving yo ...

Senior Software Engineer

**End Date**Sunday 10 May 2026**Salary Range**£72,702 - £109,053**Flexible Working Options**Flexibility in when hours are worked, Job Share**Job Description Summary**.**Job Description****Job Title:** Senior Software Engineer**Salary:** £72,702 – £81,000 **Location:** Leeds or Edinburgh **Hours:** Full time * ...

Sr Software Engineer

Sr Software Engineer Location: Cambridge, GB Job ID: 55070 Category: Software Stratasys is a world leader in 3D printing. Stratasys is leading the global shift to additive manufacturing with innovative 3D printing solutions for industries such as aerospace, automotive, consumer pr ...

Staff Software Engineer

In our always on world, we believe it's essential to have a genuine connection with the work you do. We are looking for a Staff Software Engineer to join our growing team in Singapore. You will work with a dynamic and focused team to develop state-of-the‑art big data applications in Analytics and ...

Software Engineer II

VoucherCodes, a key part of Ziff Davis Shopping, is looking for a Software Engineer II to join our Engineering team in London. This hybrid role works closely with product, UI, and backend engineers to deliver a great experience to our 8 million monthly visitors. The back-end stack consists ...

Principal Software Engineer

Team – UK Health, Adviser & Employer Engineering Working Pattern – Hybrid: 2 days per week in the Vitality London, Bournemouth or Stockport Office – Full time hours. We are happy to discuss flexible working! Top 3 Skills Needed for This Role AI‑Augmented Engineering Leader ...

Software Engineer II

Job title: Engineer II Location: London / Bristol / Edinburgh - Hybrid Salary: £46,000 - £60,000 Reporting to: Software Engineering Manager At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diver ...

FrontEnd software Engineer

Role Summary We are seeking Senior Frontend Software Engineers to work within cross-functional feature teams delivering front-end led capabilities for the Data Marketplace . The role focuses on building accessible, high-quality, and well-tested user interfaces ...

Java Software Engineer

About the Job You will be part of a passionate, professional and highly skilled team of developers specializing in agile custom software development and integration at an enterprise scale. Innovation in delivery is a priority, and a variety of Open Source and proprietary technologies are used to a ...

Senior Software Engineer

Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to 120,000 Join a Service Modernisation team driving ...

Senior Software Engineer

ALERT: Unity has received reports of scams where individuals purporting to be Unity HR representatives conduct bogus employment interviews via email or text, and then request payment as a condition for receiving an offer of employment. Please be aware that Unity does not conduct interviews by email or text ...

Senior Software Engineer

About Titanbay Titanbay is building the infrastructure that powers private market investing for banks, wealth managers and fund managers. Our platform solves complex, multi-layered challenges behind the scenes so our clients can invest with greater clarity and confidence. There are deep t ...

Senior Software Engineer

ALERT: Unity has received reports of scams where individuals purporting to be Unity HR representatives conduct bogus employment interviews via email or text, and then request payment as a condition for receiving an offer of employment. Please be aware that Unity does not conduct interviews by email or text ...

Senior Software Engineer

ALERT: Unity has received reports of scams where individuals purporting to be Unity HR representatives conduct bogus employment interviews via email or text, and then request payment as a condition for receiving an offer of employment. Please be aware that Unity does not conduct interviews by email or text ...

Senior Software Engineer

Would you like the opportunity to work with the latest technologies reaching 50 million users? DVLA are looking for Software Engineers with a passion for modern software development to become an integral part of a large, new programme of work and using cutting‑edge tech to develop cloud‑based software at s ...

Graduate Software Engineer

Who We Are We are William Reed. We are a global media group delivering exceptional content through events, digital, data & insight. From agribusiness, ingredients, and food processing, to retail, hospitality & fine dining – we provide the inspiration, insight, and connections to power our custome ...

Software Engineer AI

Software Engineer specialising in AI Grimsby £70k to £80k per annum… Principal IT are working exclusively with a leading financial organisation based in Grimsby who are looking to begin their AI development function in house now the ground work has been done by an outside supplier. ...

Lead Software Engineer

Company Stream was founded with the mission to provide fair financial tools to the everyday worker. Offered through destination employers like Greene King, Bupa, Burger King, Asda and the NHS, our award‑winning platform helps over three million people to earn, learn, save, spend and borrow on the ...

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    Full Stack Software Engineer Reactruby Jobs in United Kingdom Job Search Guide, Trends and Insights