72,484+ Software Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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C# Software Engineer

C# Simulation EngineerYou will take ownership of developing complex software components that simulate sophisticated weapon systems and bring synthetic environments to life. This role allows you to influence the full lifecycle of advanced technology while expanding your technical capability withi ...

Senior Software Engineer

StrideUp is 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 wi ...

Senior Software Engineer

Are you an experienced Senior Software Engineer with a passion for developing cutting-edge software solutions? Join SciLeads, a fast-growing company focused on providing sales intelligence to the life science and pharmaceutical industries. We are actively seeking a highly motivated, experienced, and driven So ...

Graduate Software Engineer

About The Role Salary: £34,000 + Comprehensive Benefits Lockheed Martin UK are hiring Software Engineering Graduates to join teams in our Gloucester office. You will be trained to build critical solutions in cutting‑edge technologies, working under general direction and support fr ...

Graduate Software Engineer

Graduate Software Engineer Your code could help keep aircraft and the ground safely connected, on systems trusted by customers around the world. Start your career as a Graduate Software Engineer where the software you write genuinely matters. As a Graduate Software Engineer you will join ...

Software Engineer Bristol

Salary: £38,000 - 71,000 per year Requirements We require a strong background in software engineering. We require proven experience developing in C++. We require experience working across the full software development lifecycle. We require the a ...

Graduate software engineer

At Bending Spoons, we’re striving to build one of the all-time great companies. A company that serves a huge number of customers. A company where team members grow to their full potential. A company that functions at unparalleled levels of effectiveness and efficiency. A company that creates value for shar ...

Graduate Software Engineer

How would you like to work for a leading developer of integrator Software Devices and Engineering solutions? My client possesses a strong order book with a multitude of highly prestigious customers and is in a period of exciting growth. This really is a superb opportunity to become and key player i ...

DevOps Software Engineer

Saab in UK is growing rapidly, with over 600 colleagues across eight sites. We bring together Swedish heritage and British expertise to drive innovation in areas such as software engineering, underwater robotics, radars, AI, and armed forces training. Joining Saab in UK means contributing to the security a ...

Graduate Software Engineer

Graduate Software Engineer Your code could help keep aircraft and the ground safely connected, on systems trusted by customers around the world. Start your career as a Graduate Software Engineer where the software you write genuinely matters. As a Graduate Software Engineer you will join ...

Graduate Software Engineer

Graduate Software Engineer | Cambridge | Elite Technology Team A rapidly growing Cambridge technology company is looking for an exceptional Graduate Software Engineer to join a team of world‑class engineers building complex, cutting‑edge technology. This is not a typical graduate ...

Graduate software engineer

At Bending Spoons, we’re striving to build one of the all-time great companies. A company that serves a huge number of customers. A company where team members grow to their full potential. A company that functions at unparalleled levels of effectiveness and efficiency. A company that creates value for shar ...

Frontend Software Engineer

Description Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and ...

Software Engineer Apprentice

We’re Kingfisher. You might know us as B&Q, Screwfix, Castorama or Brico Depot. We’re made up of 79,000 hardworking people, call 1,302 stores home and operate in 10 countries. That’s right, we’re big, but we have ambitions to become even bigger and even better. During your placement you will train a ...

Principal Software Engineer

Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity to focus on technical work or have a mixture of technical fo ...

Senior Software Engineer

Apply as a Senior Software Engineer at Lloyds Banking Group Base pay range This range is provided by Lloyds Banking Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Hours Full time Worki ...

Senior Software Engineer

Overview Working with a growing technology-driven business at the forefront of digital innovation, is seeking Senior Python Developers / Technical Lead to help shape and deliver the next generation of their scalable cloud platform within Healthcare Base pay range Direct message the ...

Senior Software Engineer

Location: Leeds (Hybrid / UK-based with travel) Employment Type: Full-time, Permanent Sector: Digital Consultancy / Software Engineering Overview Our client is seeking a Senior Python Developer to join their digital consultancy practice. Thi ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. Via an integrated capabilities, Transform, Tech & Talent, we deliver AI-powered solutions that help clients navigate complexity, accelerate change, and unlock competitive advantage. We enable organisations to adopt and scale artificial ...

Software Engineer Confluent

At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in So ...

Senior Software Engineer

Fuel Recruitment is working with a well-established technology organisation seeking a Senior Software Engineer to join their expanding team. This role offers the chance to work across modern cloud platforms, Front End frameworks, and Back End languages while contributing to high-quality software solutions. ...

Application Software Engineer

Salary: £135,200 - 135,200 per year Requirements Experience developing application-level software using Embedded C/C++, C++, or C# Familiarity with CI/CD pipelines and modern software engineering practices Knowledge of Data Distribution Service (DDS) is a ...

Application Software Engineer

Salary: £135,200 - 135,200 per year Requirements Experience developing application-level software using Embedded C/C++, C++, or C# Familiarity with CI/CD pipelines and modern software engineering practices Knowledge of Data Distribution Service (DDS) is a ...

Software Systems Engineer

Job Description SECURITY CLEARANCE: Eligibility to gain UK SC Security Clearance TRAVEL REQUIRED: 20% UK and internationally, more if of interest LOCATION: Portsmouth, UK TYPE: Full time / STEM returners welcome What’s In It For You ...

Java Software Engineer

Java Software EngineerWould you like to help create products to support the sharing of scientific knowledge?Do you enjoy collaborating to solve complex technical problems?About the team:Our dynamic Agile Teams deliver the technology that facilitates researchers to publish quality scientific research. As a Softwa ...

Software Engineer (PLC)

Salary: £55,000 - 65,000 per year Requirements We are looking for a seasoned software engineer with experience in developing, modifying and optimising industrial automation systems. We require hands‑on experience with PLC programming. We would ideally lik ...

Quantum Software Engineer

At OQC, we aren't just theorising about the future; we're building it. Born from a philosophy of bold innovation, we've successfully transitioned quantum computing from an academic dream into a commercial reality. The most exciting thing is that we're just getting started. As a Quantum Software Eng ...

Backend Software Engineer

Salary: £100,000 - 100,000 per year Requirements We require SC Clearance or eligibility to achieve it; experience working with defence sector clients is ideal. We are looking for someone with a minimum 2.1 BSc in Computer Science or a similar technical discipline f ...

Senior Software Engineer

Senior Software Engineer CACI Bristol, UK £36,966 per year - estimated ? REMOTECLOSING SOON About Us We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers compl ...

Senior Software Engineer

Overview Job Title: Senior Software Engineer Location: Ashton, Bristol + Hybrid Working Arrangements Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent Role ID: SF73285 Build the software beh ...

Senior Software Engineer

Senior Software Engineer Location: Ashton, Bristol + Hybrid Working Arrangements Onsite or Hybrid: Hybrid Role Type: Full time / Permanent Role ID: SF73285 Build the software behind mission‑critical defence technology. As a Senior Software Engineer, you’ll ...

Senior Software Engineer

We are looking for a Senior Software Engineer with proficiency in C# programming to lead the development of the IoT device software and cloud platform software for our connected energy storage systems. The successful candidate will be responsible for the development and maintenance of communications and cl ...

Backend Software Engineer

Back End Software Engineer - 6 months - Glasgow - Outside IR35 Day rate - Circa £480 Harvey Nash's public sector client are currently looking to recruit a Back‑End Software Engineer to join their team based Glasgow/Remote for an initial 6‑month period. Main Duties: < ...

Senior Software Engineer

Salary: £50,000 - 75,000 per year Requirements Strong engineering mindset with experience in one or more of: Microsoft .Net, GoLang, Python, C++, Rust. Broad exposure to remote sensing disciplines, including mathematics, physics, and geospatial mapping. E ...

Lead Software Engineer

Join Kainos and Shape the Future At Kainos, we’re problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we’re transforming digital services for millions, delivering cutting‑edge Workday solutions, or pushing the boundaries of technology, we do it ...

Staff Software Engineer

Staff engineering at Opus 2 is about what happens when complex problems span multiple teams or systems and someone needs to make them tractable. You'll set technical direction across a domain, lead the work that no single squad can pick up alone, and shape how the engineering organisation builds software at t ...

Senior Software Engineer

About this job Role: Senior Software Engineer Locations: Gloucestershire | Manchester | London (Hybrid / Remote Options Available)Salary: £40,000 - £75,000 + Comprehensive BenefitsType: Full-time, PermanentPLEASE NOTE: This role req ...

Junior Software Tester

Do you want a job with a purpose?And do you want to make healthcare safer, better and more reliable?Join our Team!Junior Software TesterJoin us as our Junior Software Tester at Dedalus, one of the World’s leading healthcare technology companie ...

Sr Software Engineer

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 products and healthcare. Through smart and connected 3D printers, polymer materials, a software ecosystem, ...

Associate Software Engineer

Location Cambridge, UK (On-site 4 days/week) What You’ll Do Design, build, and maintain modern software features. Collaborate with engineers, designers, product owners, and QA in an Agile environment. Solve technical challenges and improve system perfor ...

AI Software Engineer

Job DescriptionAI Software EngineerA fantastic opportunity for an AI Software Engineer to join an innovative technology company developing cutting-edge AI-powered collaboration products used globally. This is a unique opportunity to work within a hi ...

Software Tester, PAM

Job DescriptionAs a Software Tester, you will ensure our cutting-edge software is delivered with the highest quality and accuracy within our Player Account Management team.You will join the Software Testing department, where your insights and expertise will help to shape testing strategies an ...

VP Software Engineering

This is hybrid role, with two days in our London office every week.We’re looking for an experienced VP of Engineering to take on a key role leading the team working on our mobile, web and desktop products.About usSince its launch in 2018, Gener8 has been at the forefront of the ...

AI Software Engineer

AI Software EngineerA fantastic opportunity for an AI Software Engineer to join an innovative technology company developing cutting-edge AI-powered collaboration products used globally. This is a unique opportunity to work within a highly talented R&D envi ...

Software Upgrade Coordinator

Description Are you a highly organised coordinator who thrives in a fast-moving environment and enjoys working closely with customers and technical teams? Join System C and play a key role in delivering smooth, well-planned software upgrades that bring real value to our users.About the r ...

Software Engineer ADA

Software Engineer (Ada / C++)Location: Bristol (Full-Time Onsite) Contract: Initial 6-Month Contract (High chance of extension) IR35 Status: Inside IR35 Rate: Up to £70 per hourWe're supporting a leading engineering and technolo ...

Senior Software Engineer

We are , one of the largest and fastest growing on-line print shops in the UK. We are filled to the brim with a passionate team who are mad about printing, designing, building and growing the business. In the office you’ll find that we are forward-thinking, with a mission to be creative, innovative and to hel ...

Lead Software Engineer

About the RoleWe are building a green field next-generation platform for private markets. We are at an early stage of the build and looking for Lead Software Engineers to partner closely with the VP of Engineering to design and deliver foundational capabilities. This is a hands-on role for someo ...

Senior Software Engineer

Senior Software EngineerSalary: £80k - £90kLocation: Walthamstow, LondonWorking Pattern: Onsite - 3/4 days per weekEmployment Type: Full Time OverviewAn innovative technology company is seeking a Senior Software Engineer to help shape the future of manufacturi ...

Software Engineering Manager

Join us, be part of more. We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels, whilst ...

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    Software Javascript Developer Jobs in United Kingdom Job Search Guide, Trends and Insights