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

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Linux 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 ...

Java Software Engineer

Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, y ...

Staff Software Engineer

We're looking for a Staff Software Engineer to take ownership of core systems and help drive the evolution of our product as we scale from early traction to widespread deployment. This is a highly hands-on, high impact role where you'll work directly with customers, deploying AI-powered solutions i ...

Staff Software Engineer

Barclays is hiring a Staff Software Engineer in London to improve how we build, deploy and run software for our payments acceptance business. Responsibilities Development and delivery of high‑quality software solutions using industry‑aligned programming languages, frameworks, and to ...

RTE Software Engineer

We are seeking an experienced RTE Software Engineer (Linux) to support a critical programme within the naval domain. You will focus on developing, deploying, and optimising software on Linux-based platforms, working within distributed and containerised environments. This role offers e ...

Software Engineer (E2)

Job Summary:Job Description :Who we are…At Wellington IT we provide the most successful range of Credit Union software in Northern Ireland/Ireland, currently moving billions each year and managing funds for more than 1 in 4 people. Our customers use our software to po ...

Frontend Software Engineer

Job Description This role is remote with very occasional travel to our UK Offices.The role of the Software Engineer is to work as part of an agile software delivery team, working closely with other developers, the Product Manager and the Software Test Engineers.You'll ...

Senior Software Engineer

We’re on a mission to make banking 10x better.At 10x Banking (ten-ex banking) we’re transforming the financial industry with our cloud-native core banking platform. Our talented team has built the world’s first 'meta core' - a new category in core banking technology. 10x's platform powers glob ...

Lead Software Engineer

DescriptionHybrid: 2 days per week in our Tower Bridge office (Wednesdays & Thursdays)money.co.uk exists to help consumers make more informed financial decisions. Our free, online comparison service allows consum ...

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 Quality Engineer

ABOUT ORGANOXOrganOx is a commercial stage organ technology company dedicated to developing technologies to improve outcomes for patients with acute or chronic organ failure. The company was established as a spin out of the University of Oxford in 2008 and is now part of the Terumo Group. OrganOx is a ...

Associate Software Engineer

Copper is a digital asset technology company dedicated to helping institutional investors safely acquire, trade, and store crypto assets. Built and led by Dmitry Tokarev, a software and financial engineering specialist, the firm provides a comprehensive suite of custody, trading and settlement solutio ...

Research Software Engineer

Research Software EngineerTalentmark are recruiting for a Research Software Engineer to join a growing biotechnology company, on a permanent basis. Location – West London. This role offers Hybrid working with 3 days per week in the office. Salary - £50,000 - £65,000 per ...

Embedded Software Engineer

Markem-Imaje is a trusted world manufacturer of product identification and traceability solutions, offering a full range of reliable and innovative inkjet, thermal transfer, laser, print and label application systems. Markem-Imaje delivers fully integrated solutions that enable product quality and safety, reg ...

Senior Software Engineer

DescriptionDo you want to work for a company that goes the extra mile for its customers, colleagues and communities? Are you resilient, efficient, and productive? Can you lead by example? If so, then why not join our family.At Iceland, we value, recognize, and celebrate all colleagues for ...

Software Engineer (C#)

Software Engineer (C#)Salary: £55k - £75kLocation: Essex, Onsite/HybridFull-time, Permanent Opportunity OverviewAn established technology-led organisation is seeking a Software Engineer to join its development team. Working clo ...

Lead Software Engineer

Job Description:Lead Software Engineer – Technical AuthorityYour ImpactWe are seeking experienced Lead Software Engineers to take on pivotal Technical Authority roles within our Electronic Warfare (EW) and Future Combat Air programmes based in Luton.This role c ...

Senior Software Engineer

WHO WE ARE Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vis ...

Senior Software Engineer

Senior Software EngineerMilton Keynes (One day a week on site)Up to £75,000 per annum plus bonusVIQU are working with a SaaS company in Milton Keynes who are hiring multiple senior software engineers to help build out one of their product lines.This role will focus on shaping ...

Production Software Engineer

Salary: up to £200k + bonusSummaryLeading HFT fund looking for pragmatic Python engineers to join their Production Engineering group in their agile, London-based application team.This role offers the opportunity to work directly with users, building clean, easy-t ...

Senior Software Engineer

We believe that building software is more about people, team culture and end-user needs than it is about algorithms, data structures, and the choice of technologies. We're looking for somebody who is ambitious and is genuinely excited about what well-built software, supported by AI agents, can achieve in the com ...

Lecturer Software Engineering

About The Role Falmouth University has an exciting opportunity for a Lecturer in Software Engineering to join its Games Academy. It is a transformative time to be joining us as we grow our computing portfolio and continue to offer industry-aligned, quality-led courses. Discover our Ga ...

Senior Software Architect

TeamViewer provides a leading Digital Workplace platform that connects people with technology—enabling, improving and automating digital processes to make work work better. Our software solutions harness the power of AI and shape the future of digitalization.We believe that our diverse teams and strong ...

Python Software Engineer

Description Building trusted markets – powered by our people.At Cboe Europe, we inspire our people to solve complex challenges together because what we do matters. We providethe financialinfrastructure that powers the global economy. As a leading provider of market infrastru ...

Senior Software Engineer

Senior Backend Engineer – Python/Django | Climate Tech Scale-Up | Central Londonc.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. They’ve built a platfor ...

Software Engineer (React)

Position Description: At CGI, you will play a key role in shaping intuitive, high-performing digital experiences that deliver real value to clients and end users. As a React Developer, you will contribute to building scalable front-end solutions that support business transformation and in ...

Senior Software Engineer

About ElektaAs a leader in precision radiation therapy, Elekta is committed to ensuring every patient has access to the best cancer care possible. We openly collaborate with customers to advance sustainable, outcome-driven and cost-efficient solutions to meet evolving patient needs, improve lives and ...

Senior Software Engineer

About Us We’re Dayshape—an award-winning software scale-up with big ambitions and the momentum to match. Trusted by Big Four and many other top professional services firms globally, our AI-powered resource management platform is helping organisations to achieve extraordinary results. Our ...

Senior Software Engineer

Job TitleSenior Software EngineerSalary Range£50k-65k per annumContactrecruitment@fluidic.comLocationOn-siteReporting ToSoftware Engineering ManagerWho we are looking forWe are looking for an exceptional Sen ...

Software Engineer (E2)

Job Summary:Job Description :Who we are…At Wellington IT we provide the most successful range of Credit Union software in Northern Ireland/Ireland, currently moving billions each year and managing funds for more than 1 in 4 people. Our customers use our software to po ...

Software Engineer OpenStack

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the wor ...

Senior Software Engineer

We build software that helps universities connect with their students in ways that actually work. Over 200 million interactions across 150+ institutions globally, and we're just getting started.We're a team of around 40 people who care about doing good work, moving fast, and building something that gen ...

Software Project Manager

Project ManagerLocation: UK-based, remote or hybrid depending on locationContract: Permanent, full-timeAbout TRL Software</stron ...

Software IVVQ Manager

Location: Crawley, United KingdomThales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of o ...

Senior Software Engineer

At Optimizely, we're on a mission to help people unlock their digital potential. We do that by reinventing how marketing and product teams work to create and optimize digital experiences across all channels. With Optimizely One, our industry-first operating system for marketers, we offer teams flexibility and ...

Software Engineer DV

Can you think strategically and connect the dots across projects to shape the bigger picture?Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams?Are you passionate about continuous learning and building impactf ...

Lead Software Engineer

Description Job Title: Lead Software EngineerSalary: £92,701 - £110,000Location: EdinburghHours: Full-time Working Pattern: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at ...

Senior Software Engineer

Job Description Ability to work in a hybrid arrangement (office located in Ware). Ability to work in a dynamic team and fast-paced environment and contribute across the entire software development lifecycle, from initial concept generation to final design and implementa ...

Software Applications Engineer

Introduction Saab UK is part of Scandinavia’s largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing ...

Principal Software Engineer

At Collinson, we don’t just build technology — we power the experiences behind some of the world’s most recognised travel, financial services, and retail brands.Our solutions help global brands acquire, engage, and retain millions of customers worldwide. Our flagship product is Priori ...

Fullstack Software Engineer

Time commitment: Full-time.Location: Hybrid is preferred, working 2 days in the London office (Wednesdays and Thursdays) and 3 days at home per week.Reporting to: VP of Technology, Avishai GurtAbout PalomaPaloma’s mission is to make children’s autism and ADHD a ...

Embedded Software Engineer

Mission Critical development environment.Excellent problem-solving skills and the ability to analyze and debug complex software systems.Strong communication skills, with the ability to effectively collaborate with cross-functional teams and stakeholders.Knowledge of software testing ...

Linux Software Engineer

Job DescriptionAs a Backend Software Engineer you will join our team in London and  be responsible for designing, building, and supporting high‑reliability software platforms used to supervise and control complex, remote systems. The role focuses on developing ...

Lead Software Engineer

About us:Make a difference and advance your career by helping deliver some of the UK’s most important #tech4good projects, making the world a smarter, safer, greener, and healthier place.You’ll join a talented team of dynamic and driven professional problem solvers; creative thi ...

Systems Software Engineer

This is one of the world’s top algorithmic trading firms, looking for systems engineers well-versed in Python programming.This role offers motivated engineers a number of varied responsibilities plus the opportunity to have a significant impact on a critical part of existing and growing infrastructure. ...

Senior Software Engineer

Position Description ADP is hiring several Senior Full Stack Developers In this role, you will join a team to build and debug ADP’s cloud-based payroll, tax, HR, and benefits solutions to help our customers save time, stay compliant and manage costs. ...

Senior Software Engineer

Senior Software EngineerCareers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medic ...

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 ...

Software Engineer (React)

Position Description: At CGI, you will play a key role in shaping intuitive, high-performing digital experiences that deliver real value to clients and end users. As a React Developer, you will contribute to building scalable front-end solutions that support business transformation and in ...

Payload Software Engineer

Permanent Payload Software Engineer Engineering Havant About the Role Be part of a team delivering the next generation of secure military communications satellites for the UK Ministry of Defence. This work provides resilient, highperformance connectivity for t ...

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