senior full-stack developer jobs in London

THE GLOBAL LEADER IN DATA & ANALYTICS RECRUITMENTHarnham Search and SelectionCompany Number: Harnham Search and Selection is a registered company in England and Wales. Reg no. Harnham Europe LimitedCompany Number: Harnham GmbHHRB: Harnham B.V.KvK Number: Harnham Inc.Company FEIN: Registered office: 3rd Floor, Melbury House, 51 Wimbledon Hill Road,...

Senior Full Stack Kotlin Developer Location:Bristol- Hybrid (2 days onsite) Salary:£55,000- £70,000We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams, you'll design, build and deliver...

Contract: ContractLocation: Hybrid: London, Waterloo - 3 Days + 2 Days RemotePay: CompetitiveConsultant: Joe MooreExciting opportunity for a Fullstack Software Developer to join this global Energy company.This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy...

About the job your considering We are looking for an experienced Senior Full Stack Developer to join our Experience Engineering team and help create high-quality digital products and services for our clients. This is a hands-on engineering role with real technical influence. You’ll work across frontend and backend technologies, collaborating with...

Salary: £60,000 – £65,000 - (dependent on experience) Contract Type: Permanent – Full Time Security Level: SC Location: Gatwick – Hybrid Visa Restrictions: This position does not offer visa sponsorship   Closing Date: Friday 6th November 2026 Screening Calls: w/c 9th November 2026 Interviews: from w/c 16th November 2026   We are the UK's aviation...

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an...

Senior Full-Stack Developerup to £85,000London (Hybrid)This is a great opportunity to join a high-growth technology business where you can take ownership of large-scale platform development, influence engineering decisions, and help shape the future of a globally recognised connected technology product.THE COMPANY:This international technology company...

Reference: 57984Location: London, United KingdomIndustry: Financial ServicesSalary: 160,000OverviewWe are seeking a Senior Full Stack Developer to build and enhance high-performance, secure digital products within Financial Services. You will work across backend services and modern web front ends, contributing to architecture, delivery, and continuous...

Lead modernisation projects on web applications for science research platformDuxford, Cambridge; c£60,000 DoE + Benefits Take a leading role as a Senior Developer to realise innovative web products as part of the company's new digital transformation. The company is at the forefront of science research in the UK, and put high priority in having clear public...

Fantastic opportunity to join a thriving Financial Services business.What is the role? As a Senior Full Stack Developer, you will lead technically complex features, projects and services where requirements, architecture or implementation approaches are uncertain. You will turn ambiguous business problems into reliable technical outcomes across the firm's...

Senior Full Stack DeveloperTeesside / Hybrid £55,000 - £65,000 + excellent benefitsAre you an experienced Senior Developer with proven expertise with Python / Django? This is an opportunity to join a growing SaaS company that is establishing its UK presence by bringing in an experienced Senior Full Stack Developer.You will have significant sway over the...

**Senior Full-Stack Developer** **up to £85,000** **London (Hybrid)** This is a great opportunity to join a high-growth technology business where you can take ownership of large-scale platform development, influence engineering decisions, and help shape the future of a globally recognised connected technology product. **THE COMPANY:** This...

Description We are seeking highly skilled multiple Senior Full Stack Developers to join our team in a high-impact, client-facing capacity. You will be instrumental in architecting and deploying robust, scalable applications for a diverse range of clients across the UK and EMEA. Department Services Location Remote, UK The role is remote but the successful...

Job DescriptionNetworks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network and network security environment. This is a tremendous opportunity to...

We’re looking for a Senior Software Engineer to join our Streams UI team, where you’ll have the chance to shape and enhance our user interface, making it more intuitive and engaging for our usersIn this role, you’ll work on Fleet. Fleet is the central management experience for Elastic Agent in KibanaYou’ll also work on Streams. Streams is our new...

Duration: 6 months (Possibility of extension or conversion to FTE)Location: Toronto or Waterloo (95% remote; occasional onsite attendance for training, working sessions, or team needs)After‑Hours Support: Required on a rotational basis (1–2 evenings/week for deployments) *Must be eligible for Reliability Clearance (Must have lived in Canada for the past...

KEY RESPONSIBILITIES • Contribute to the design, development, and deployment of robust software solutions, promoting best practices throughout the software development lifecycle • Contribute to architecting and maintaining complex data engineering pipelines, backend services, and APIs to ensure scalability, reliability, and high performance • Support...

Full Stack Developer Remote £525 per day inside ir35 Active SC clearance required - held by the Home Office or another government body We're looking for an experienced Full Stack Developer to join a major UK government programme, working on secure, technically complex applications. You'll be responsible for developing and maintaining full-stack...

Company DescriptionVersion 1 has celebrated 30 years in the IT industry and continues to be trusted by global brands to deliver IT solutions that drive customer success. Version 1 has several strategic technology partners including Microsoft, AWS, Oracle, Red Hat, OutSystems and Snowflake. We’re also an award-winning employer reflecting how employees are...

A stealth startup, three visionary founders, and AI technology.Have you ever wondered what it would be like to cascade with founding engineers on a product that has already secured multi-million dollar investment? (If you don't believe me... ask the guys over at Klarna and Spotify...)A company on track to become the next tech unicorn.... with an enterprise...