2,033,139+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Software Engineer Consumer Experience

About Octopus Electroverse We’re making electric vehicle ownership as smart and as simple as possible, by building the giant, virtual charging platform of the future. In just three years, Octopus Electroverse has grown to become one of the largest eMobility players globally, with over 1,4 ...

Senior/Principal Software Engineer

Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. Work location: This role also requires applicants to be willing to work on-site up to 4 days per week. About Gemba Advantage At Gemba Advantage, we build secure, user ...

Senior Software Engineer II

# Remote Senior Software Engineer II Job at Menlo SecurityUK3 days agoFull TimeUK$25000 - $40000 USDKubernetesPythonAWSGCPLinuxRESTsoftware engineeringengineerdevops“When applying, mention the word FarCoder to show you’ve read the job post completely. Employers can look for these words to identify genuine, thoug ...

Senior Software Test Engineer

Our world-leading Time & Frequency department is seeking a Software Test Engineer with expertise in Unix/Linux software testing and quality assurance. This is an exceptional opportunity to join the global authority in precision timing at a defining moment for UK digital infrastructure. ...

Senior Software Engineer (Angular)

Your Career Join MHR as a Senior Software Engineer, where you’ll own complex features and help shape the technical direction of our products. You’ll bring strong front‑end expertise in Angular and TypeScript, contributing to architecture decisions, solving complex challenges, and deliveri ...

Software Engineer Digital Assets

What You’ll Do Design and build trading systems for digital asset markets Develop and manage connectivity to centralised exchanges such as Binance, Deribit, and OKX Work directly with traders and researchers to prototype and iterate on trading strategies ...

Customer Services Software Engineer

The Opportunity We're looking for a Customer Services Software Engineer to help customers get the most from cutting-edge defence technology that protects the territory and airspace of NATO countries and their allies. This role is ideal for a software engineer who enjoys solving complex technical ...

Staff Software Engineer (AIX)

Team: Agentic Engineering (Claude Rollout) Location: Hub Based - Hybrid for all Experience: Expert Working pattern: Full-Time Reporting to: Delivery & Growth Lead Sponsorship: Unfortunately we are unable to offer sponso ...

Lead Software Engineer SDET

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. Join us to shape the future of technology and quality assurance. You’ll have the opportunity to work with cutting‑edge tools and frameworks, collaborating with a ...

AI Native Software Engineer

AI- Native Software Engineer Salary: Competitive Location: Hybrid (Wilmslow HQ) or Remote We are The Citation Group - a collective of businesses dedicated to supporting small and medium-sized enterprises across a range of essential services. We know that running a business means j ...

Senior C++ Software Engineer

Senior C++ Software Developer – STL – UNIX - London or Chicago. - Tier-1 electronic trading organisation seeks to hire a Senior C++ Software Developer to join their London or Chicago team as part of an expansion plan for 2026. Senior C++ Software Developer with be a key contributor to the enhancement of their ...

Staff Software Engineer (AIX)

Team: Agentic Engineering (Claude Rollout) Location: Hub Based - Hybrid for all Experience: Expert Working pattern: Full-Time Reporting to: Delivery & Growth Lead Sponsorship: Unfortunately we are unable to offer sponso ...

Staff Software Engineer (AIX)

Team: Agentic Engineering (Claude Rollout) Location: Hub Based - Hybrid for all Experience: Expert Working pattern: Full-Time Reporting to: Delivery & Growth Lead Sponsorship: Unfortunately we are unable to offer sponso ...

Graduate Software Engineer (Liverpool)

Grayce specialises in delivering technology‑driven change and transformation for some of the UK’s most ambitious organisations. For over a decade, we have partnered with FTSE 100 and FTSE 250 companies to deploy high‑performing early‑career talent across engineering, infrastructure, and digital transformat ...

Embedded Software / Firmware Engineer

Company: Ultra Intelligence & Communications Cyber (UK) Business Powering Decision Join the team redefining defense technology. From engineering systems that save lives to leading programs that change the battlefield—find your place in the future of defense. Cyber Busines ...

Software Engineer Degree Apprentice

An excellent opportunity to grow a career fast We are seeking a full-time software engineer apprentice to develop new automations and systems at the company. The work will be centred around working with management to streamline our technical staff who specialise in designing the struc ...

Senior Software Engineer Python

Senior Software Engineer Python (PR/ ) Cambridge, England Salary: GBP70000 - GBP80000 per annum + bonus + benefits Senior Software Engineer / Developer (Python) Cambridge to £80k Do you have strong backend Python software development experience? You could be joining the wo ...

Senior Software Engineer, FiveM

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with som ...

Senior Software Engineer (Contract)

Overview We are GlobalLogic, an international digital engineering leader. We are hiring an experienced Contract Software Engineer / AI Platform Software Engineer for a 12‑month assignment (inside IR35) beginning in 2‑4 weeks. The role focuses on AI governance, distributed systems, observability, ...

Senior Software Engineer II

You will design, build, and operate secure, reliable cloud infrastructure supporting data platforms at scale. This role focuses on improving backup and recovery, observability, and automation across AWS environments while enabling engineering teams through robust tooling and clear operational practices. Yo ...

Senior Software Engineer I

This role focuses on designing, building, and operating secure, scalable cloud infrastructure to support data platforms across AWS, Databricks, and Snowflake. You will work closely with engineering and security teams to enable reliable, observable, and cost-efficient systems. The position plays a key role ...

Senior Software Engineer (Cards)

Responsibilities Design, develop, test, and deploy high-quality software solutions that meet business needs Work closely with colleagues from different areas to capture and analyse requirements and determine technical feasibility Lead the development and implementation o ...

Senior Frontend Software Engineer

The team blends Full Stack Engineers and UI Specialists, and this hire will have both the autonomy and freedom to lead feature development and take ownership of greenfield initiatives launching in 2026. The engineering group is known for solving technical and mathematical problems with creativity and preci ...

Software Engineer C++/ADA

Location: Bristol (preferred) with regular travel to Yeovil for testing and meetings Duration: 6 months IR35 Status: Outside IR35 Rate: Competitive (dependent on experience) Clearance: BPSS - SC Overview We are seeking an experienced Software Engineer to support the development of mission‑c ...

Principal Software Engineer Python

Principal Software Engineer - PythonTitle: Principal Software Engineer – PythonDepartment: Procode ITLocation: Hybrid – Commutable distance of either Chandlers Ford or OxfordSalary: Circa £65k + Discretionary Bonus SchemeSponsorship: Unfortunately, we are unable to offer sponsorship for this roleIf you're a Prin ...

Forward Deployed Engineer Software

Role Overview With a deep understanding of our engineering, technology, and customers’ missions, Mission Engineers drive the successful deployment of CHAOS capabilities directly into the hands of users. Mission Engineers design and implement new software from the ground up, integrate and analyse ...

Software Engineer (Data Platform)

Are you passionate about fighting climate change? Do you want to work on creating a world where everyone can breathe clean air? Do you want to have an opportunity to shape a growing company? Who We Are At Breathe, we believe an electrified future is key to achieving this, which is why we ...

Software Engineer SC Clearance

Software Engineer Permanent - Hybrid Working Based in Southampton Active SC Clearance required or eligibility An exciting opportunity has arisen for a Software Engineer to join a highly skilled engineering team developing next‑generation software solutions for complex commun ...

Software Development Engineer III

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? T ...

control systems software engineer

We are seeking an experienced and adaptable Control Systems Software Engineer to join our automation team in Birmingham. The successful candidate will design, develop, test and commission control system software for PLCs, HMIs and SCADA platforms, working on multi-discipline projects from concept through t ...

Senior .NET Software Engineer

Senior .NET Software Engineer - London - x2 days in the office per week. Miller Maxwell has partnered with a global financial services organisation urgently seeking to hire several experienced Senior Software Engineers, as they expand their global workforce. This is a chance to work on sophisticated financial ...

Software Engineer (C# .NET

Qualifications Hands on Experience: Around 4 years of practical experience in software engineering using C# .NET, delivering reliable solutions as part of a team. Technical Foundations: A good understanding of object-oriented design and familiarity with frameworks and tools such a ...

Senior Software Engineer (Java)

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our p ...

Senior Software Engineer London

What's it like to work at Sequence? Small team, big opportunity, real ownership. You'll do work that matters, have direct access to customers, and grow alongside the company. If you want to do the best work of your career at a company that’s scaling fast, we’d love to meet you. W ...

Senior Analytics Software Engineer

Job Req Number: Time Type: Full Time At DSV we're building the world’s leading logistics and transport network and we’re looking for new talent to join us. Role: Senior Analytics Software Engineer Location: PARC Institute of Manufacturing, Logistics and Inventory, Cardiff Business ...

Senior Software Engineer, Accessibility

About the role You will drive execution and promote DS partnerships and deliverables: baseline audit, prioritise remediation, DS coverage, CI automation, and production monitoring. Ship technical fixes and lead cross-team remediation efforts. Partner with Design System, ...

Senior Software Engineer Flights

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 being part in understanding what our customers' pains are with our prod ...

Senior Test Software Engineer

Senior Test Software Engineer Based on site in Stevenage Salary from £45,000 - £75,000 DOE + Bonus + 14% Pension + Paid Overtime The software you write won’t sit behind a login screen. It will configure, verify and validate complex defence systems. It will be used in development, pro ...

Senior Software Engineer (AI)

Senior Software Engineer (AI) Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to considering candidates who require visa sponsorship (subjec ...

Senior Software Engineer (Angular)

At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the ...

Senior Software Engineer Flights

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 what our customers are facing with our product team, thr ...

Software Engineer–Simulation (Simulation)

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Team The Software Engineering a ...

Senior Embedded Software Engineer

WHAT YOU’LL DO Seakeeper is the world leader in vessel stabilization. As our Senior Embedded Software Engineer, you’ll play a pivotal role within our embedded Linux‑based software organization for Seakeeper and Seakeeper Ride products. You'll be a major contributor to software architecture and te ...

Apprentice Embedded Software Engineer

FLIR Systems, Inc. is seeking an apprentice software engineer located in Fareham, UK. The position involves developing new products and technologies, closely collaborating with hardware and mechanical engineering teams. The ideal candidate will assist in software development, ensuring reliable and efficient s ...

Software Engineer Core Technology

The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government with direct lines to No. 10 (the Prime Minister's office), and we work with frontier developers and governme ...

Embedded Systems & Software Engineer

Caterpillar Financial Services Corporation is looking for Electronic Systems and Software Engineers in Peterborough, UK. You will work as part of a global team to design and develop electronic systems for Caterpillar products, integrating cutting-edge technologies into our equipment. Successful candida ...

Software Engineer Data Infrastructure

About Woven by Toyota Woven by Toyota is enabling Toyota’s once-in-a-century transformation into a mobility company. Inspired by a legacy of innovating for the benefit of others, our mission is to challenge the current state of mobility through human‑centric innovation – expanding what “mobility” ...

Rapid Cyber Software Engineer

Our Capability Development team develops bespoke end-to-end solutions for clients in the Cyber Security domain. Historically, this has meant a specialism in C and C++ development across embedded and mobile platforms, including iOS, Android, Windows, macOS and Linux variants. We emphasise having a comprehen ...

Software Engineer (Monitoring Platform)

Overview 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 imp ...

Principal Software Engineer (PLCs)

Location: Tadcaster, England, United Kingdom Company: Bitrecruit Client / Employer: Occupop Principal Software Engineer Purpose of the Role: To lead the software delivery for complex bespoke automation projects. The Principal Software Engineer ensur ...

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