1 to 25 of 50 Permanent Full-Stack Developer Jobs in London

Our client, a professional services organisation is recruiting a Full-Stack Developer/Python Developer to join their Digital Transformation team in London. This is a fantastic opportunity to contribute to innovative products that are transforming the way finance and accounting professionals work, automating repetitive tasks, and enabling teams to focus on … as the team and product suite evolve. Key responsibilities • Collaborate with a small, high-performing development team, participating in code reviews and merge requests. • Develop and maintain full-stack solutions, including: o Frontend interfaces o Backend API layers o Data processing and analytics engines • Lead projects independently from requirements gathering through to deployment. • Mentor and support … their technical growth. • Solve complex challenges involving data, analytics, and presentation within financial and professional services contexts. Skills, Knowledge & Expertise • Minimum 3 years’ professional experience as a full-stack developer delivering robust, production-ready solutions. • Proficiency in: o Backend: Python, Django o Frontend: JavaScript, React, Next.js o Version control: Git • Experience building data-intensive More ❯

Senior Full-Stack .NET Developer – Remote (UK-Based) | £70–75k Are you a confident .NET Developer looking for a fully remote senior role where you can take ownership, work autonomously, and help shape a modern tech stack? We’re hiring for an experienced Full-Stack .NET … Developer to join a small, senior development team at a high-growth, tech-driven business in the creative sector. You’ll work on real products with real users, helping to rebuild and evolve a complex platform that powers thousands of online stores. This is a hands-on role with a strong focus on backend development in .NET More ❯

CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. Project Overview: Our customer More ❯

CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. Project Overview: Our customer More ❯

CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. Project Overview: Our customer More ❯

CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities. Project Overview: Our customer More ❯

We're looking for a Full-Stack Developer & Digital Designer who can blend creativity with technical expertise to build seamless, engaging digital experiences. In this role, you'll design intuitive user interfaces, craft thoughtful visual systems, and then bring them to life through clean, scalable front- and back-end code. You'll collaborate across More ❯

My client specialises in digital payments across the UK and Europe. Their platform enables seamless real-time transactions for consumers and businesses, with a focus on security, scalability, and user experience. Backed by top-tier investors and used by thousands More ❯

Job Role: Senior Full-Stack PHP Developer Reference: BH-334p Working Hours: 5 days per week Job Type: Permanent Salary: £70,000 - £85,000 depending on experience Location: London Remote : 4 days remote - 1 day on-site in London office - Postcode NW6 About the Company Our client is a rapidly growing platform that connects … while enjoying enhanced flexibility and a better work-life balance. Role Overview This is an exciting opportunity to join a high-growth, early-stage startup. As a Full-Stack Developer, youll work closely with the founders and engineers in a tight-knit, London-based team. Youll have a direct impact on the companys expansion … into impactful features Essential Experience Product development background Working in startup environment Strong PHP and Laravel experience Good ReactJS experience and good TypeScript experience Proven experience building full-stack web applications using PHP and React Strong foundations in relational databases (MySQL). Experience working with REST APIs and integrating third-party systems Previous experience working in More ❯

Software Developer (Full Stack) About us Barbour is a trusted and comprehensive provider of regulatory information, guidance, standards and resources to support our clients wherever they are in the world. Through our knowledge of complex legislation and flexible resources, we empower our clients to simplify and manage their EHS compliance. It's about more … you stay on top of ever-changing industry developments, ensuring your organisation keeps people safe and protects the environment. About the role We are looking for a Software Developer (Full Stack) to join our busy software engineering team to work on a variety of projects and platform maintenance work on our core platform. The … Software Developer must have core experience in Java and an understanding of Kubernetes/Docker and Cloud networks (AWS preferred). The Software Developer will work with a dedicated team of developers on a wide range of projects and deal with the ongoing maintenance of the core platform. With AI at the core of our new More ❯

Full Stack Software Engineer - Hybrid UK - £85000 We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce More ❯

Full Stack Software Engineer - Hybrid UK - £85000 We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce More ❯

Full Stack Software Engineer - Hybrid UK - £85000 We are helping an innovative technology business scale their Software team in in the UK. Their software powers some of the worlds leading consumer brands across the digital commerce More ❯

Senior Developer, Full Stack (Next.js, React Native) I’m working with a fast-paced, tech-focused, global technology platform that’s undergoing a multi-year transformation program to revolutionize its B2C services. Backed by substantial investment and part of a financially stable group, this company is embarking on a multi-year transformation program, making More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: 65,000 - 70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security … Clearance (SC). Your Role: We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you're passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Designing, developing, and maintaining More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: £65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security … Clearance (SC). Your Role: We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you're passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Designing, developing, and maintaining More ❯

Stack Software Developer Location - LondonHybrid - 2 days in office per week Salary: Up to £80K We're looking for a talented Full Stack Developer to join our client — a leading Global Law Firm — as part of their Engineering team , where innovative technology powers high-impact … legal work. You'll help design and build modern, scalable systems used across international offices, working closely with a collaborative team of developers, designers, and stakeholders. While Full-Stack skills are essential, this role has a strong emphasis on the Front-End. You'll Have the Opportunity to: Design and develop intuitive, responsive web applications using … modern JavaScript frameworks that users love Build secure, scalable full-stack solutions that solve complex legal business challenges Collaborate with UX designers and stakeholders to bring creative visions to life Optimise front-end code for peak performance, accessibility, and cross-browser compatibility Champion software quality through rigorous testing and continuous improvement practices Drive innovation through Agile More ❯

£506/day Inside IR-35 3-6 month initial contract - likely extension SC Cleared role Remote with ad hoc travel to Croydon Tech Stack: Expertise in (essential) React, TypeScript, JavaScript, NodeJS, Python, Postgres Familiarity with (desirable) Docker More ❯

Senior Full Stack JavaScript Developer Salary: £77,000 - £82,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance … SC). We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Provide technical leadership and mentorship … least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js). A track record in a lead or senior developer role, with experience of mentoring and guiding development teams. Proficiency in HTML5, CSS3, and JavaScript (ES6+). Security Clearance Requirements: You must be eligible for Security Check (SC) clearance. More ❯

Senior Full Stack JavaScript Developer Salary: £77,000 - £82,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance … SC). We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Provide technical leadership and mentorship … least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js). A track record in a lead or senior developer role, with experience of mentoring and guiding development teams. Proficiency in HTML5, CSS3, and JavaScript (ES6+). Security Clearance Requirements: You must be eligible for Security Check (SC) clearance. More ❯

Senior Full Stack JavaScript Developer Salary: £77,000 - £82,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance … SC). We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Provide technical leadership and mentorship … least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js). A track record in a lead or senior developer role, with experience of mentoring and guiding development teams. Proficiency in HTML5, CSS3, and JavaScript (ES6+). Security Clearance Requirements: You must be eligible for Security Check (SC) clearance. More ❯

Senior Full Stack JavaScript Developer Salary: £77,000 - £82,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance … SC). We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Provide technical leadership and mentorship … least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js). A track record in a lead or senior developer role, with experience of mentoring and guiding development teams. Proficiency in HTML5, CSS3, and JavaScript (ES6+). Security Clearance Requirements: You must be eligible for Security Check (SC) clearance. More ❯

As a Senior Fullstack Developer at our innovative healthcare startup, you will play a critical role in enhancing the lives of patients with chronic diseases. We are on a mission to bring the first Hybrid Drug to market: a groundbreaking therapeutic entity that integrates mobile apps with traditional medication. We need your expertise to help us achieve this … cloud, and AI advancements. Research and propose innovative solutions to enhance patient engagement and digital health experiences. Qualifications Experience Proven track record as a Senior Full Stack Developer with at least 5 years of hands-on experience. Strong expertise in both frontend and backend development for scalable web applications. Technical Skills Frontend: React, Vue.js More ❯

days per week office based and 3 days remote) Hours: 35 hours per week Monday to Friday We're on the hunt for a Full Stack Developer who knows their way around Umbraco like a pro and isn't afraid to roll up their sleeves and build something brilliant. If you're fluent in … keeping things running like clockwork Collaborating with designers, strategists, and stakeholders to deliver top-notch work Staying sharp on the latest tech trends in Umbraco, .NET, and full-stack development Skills we're looking for Solid experience with Umbraco CMS (v13+ ideally) Strong C#, ASP.NET MVC/Core, and .NET framework skills SQL Server know-how More ❯

Full Stack Python Developer - Data Engineering & AI Location: UK-wide - Remote based. Employment Type: Permanent Salary: £75,000 - £85,000 per annum, dependent on experience Context Recruitment is working in partnership with a leading IT Services provider to appoint a skilled Full Stack Python Developer with demonstrable experience … role offers the opportunity to contribute to innovative cloud and data-driven projects within a collaborative and forward-thinking technical environment. Key Responsibilities: Design, build and maintain full-stack applications using Python (Django, Flask or FastAPI) and modern JavaScript frameworks (such as React, Vue or Angular) Develop and optimise ETL pipelines , data workflows and API integrations … container orchestration and microservices architecture using Kubernetes Participate in architectural discussions and promote best practices across the development lifecycle Candidate Requirements: Proven experience as a Full Stack Developer with strong proficiency in Python Solid understanding of data engineering principles , including ETL processes and data pipeline design Front-end development experience using JavaScript and associated More ❯