senior javascript engineer jobs in United Kingdom

Job post summary Date posted: 18 January 2026 Pay: £55,000.00-£69,955.55 per year Job Description: Senior Full-Stack Software Engineer (C#, PHP, JavaScript) Salary: £55,000 – £70,000 (dependent on experience) Location: Hybrid – 40% remote / 60% office-based Main Office: Uralensis Innov8 Ltd, Victoria Works, Oakenbottom Road, Bolton, BL2 6DP Experience: 5+ years Contract: Full-time...

Benefits ~9% pension contribution ~ Stock Options ~ Health Insurance ~ L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this hyper-growth eCommerce solution. The Company ~$120m VC-backed Scale-Up ~ One of the fastest-growing companies in the world ~ 'Fast...

Location: Melton (Hybrid) Salary: Up to £50,000 The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications. You will be responsible for designing, developing, and maintaining high-quality, scalable, and responsive user interfaces. Design, develop, and maintain complex, highly responsive, and user-friendly web...

Be among the first 25 applicants. Get AI-powered advice on this job and more exclusive features. About Lumenalta - Fully remote work - Rapid growth opportunities - Self-Improvement What You Will Work On - Collaborate with visionary enterprise clients - Learn how to handle difficult situations - Tackle complex challenges at scale - Push boundaries with emerging technologies Requirements -...

6 month fixed term contract. We are looking for a senior full-stack React developer to help a client continue development of their AI research product. It enables teams to transform their research into interactive customer profiles that power better business decisions. We're looking for someone with 6+ years experience developing both the back and front end of enterprise software or SaaS...

At Atominvest, we build tools and software for the world's best investors. Are you looking for an opportunity to be part of a high growth software business within the private equity & venture capital industry? Do you love to build high quality software and working with a dynamic tech and product team with the latest technologies. Are you someone who is proactive and can take ownership and...

Job Description Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a...

Application Software Engineer (Mid level - Senior), Degree, UI/UX, JavaScript Location: Cambridge, UK (Hybrid) Salary: £35,000 - £55,000 (depending on experience) The Company Join a pioneering AI and machine learning software house, led by award-winning entrepreneurs and known for pushing the boundaries of innovation. You'll be part of a collaborative, high-calibre team working on impactful,...

Position : Web Scraping Engineer - Javascript, Typescript Company : FlatPlan Website : Work hours : 10am - 6pm GMT / Mon - Fri Holidays : 29 days Summary Hi, I’m Kieran, CEO at FlatPlan. We’re a SaaS business that enables media companies to deliver breaking news articles to millions of people on Apple devices. We’re a small, passionate team that work closely with some incredible...

Job Description Summary Job Description JOB TITLE: Senior Fullstack Developer (Java/JavaScript) SALARY: £70,929 - £86,691 per annum LOCATION: Halifax, Bristol, Edinburgh, Manchester HOURS: Full-time – 35 hours per week WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our offices stated above. ABOUT THIS...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Benefits ~9% pension contribution ~ Stock Options ~ Health Insurance ~ L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a-kind Social Good platform change the world by developing this hyper-growth eCommerce solution. The Company ~$120m VC-backed Scale-Up ~ One of the fastest-growing companies in the world ~ 'Fast...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. What's...

Be among the first 25 applicants.Get AI-powered advice on this job and more exclusive features.About LumenaltaFully remote workRapid growth opportunitiesSelf-ImprovementWhat You Will Work OnCollaborate with visionary enterprise clientsLearn how to handle difficult situationsTackle complex challenges at scalePush boundaries with emerging technologiesRequirementsExpertise in React, Node, Express,...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...