23 of 23 Senior Full-Stack Developer Jobs in London

thinking team that values creativity, experimentation, and impact—and help redefine the future of recruitment through intelligent, human-centered technology. We’re looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth of a brand-new AI recruitment platform as it prepares to enter the market this … and Experience Minimum 8 years of commercial software development experience, with at least 3 years in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and More ❯

ownership and a bias for action. Then we trust and empower them to do their best work. The role We're looking for senior-level full-stack developers to join our dynamic team and spearhead a new 0-1 project. Engage in a role which leads to exceptional user experiences, collaborate closely with our More ❯

Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and … million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the … You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Full Stack Developer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing benefits More ❯

Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and … million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the … You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Full Stack Developer you will receive a competitive package: Salary to £100k 25 days holiday (increasing to 30), plus Christmas Eve Vitality healthcare plus a host of wellbeing benefits 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 … 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 ❯

a hybrid working policy, this role would require onsite visits to our London office around once or twice per month. About the Role We're looking for a Senior Fullstack Developer who can take features from concept to production with confidence. You'll have the real opportunity to own the full development lifecycle. Including More ❯

people who want to shape the future of work with us. Join us in unlocking global potential, one human and agent team at a time. Mission As a Senior Fullstack Engineer at Smartcat, you'll be at the forefront of shaping our platform's future. You'll lead the development of cutting-edge features, optimize our application's More ❯

Senior Full Stack Java Developer (100k-120k plus benefits and bonus) This is a hybrid role, 2 days in the office, 3 days remote What the role offers: Competitive salary with growth opportunities. Opportunity to work on cutting-edge fintech solutions. A collaborative and supportive team environment. Exposure to a wide range … for a talented developer to join our team and play a crucial role in shaping our platform. Role Overview: As a Full Stack Java Developer, you will work across the full stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. You will be responsible for … with a focus on system design and performance. AWS experience is a plus, and financial industry knowledge would be beneficial but not required. Key Responsibilities: Work on full-stack development, including front-end, back-end, and infrastructure. Collaborate closely with a small, highly skilled team to deliver innovative solutions. Optimize system performance, troubleshoot issues, and continuously More ❯

Senior Full Stack Developer (Python, Django, Vue, PostgreSQL) London or Cambridge/Hybrid Remote (50/50) £40,000 - £60,000 Plus Benefits Overview of the Role: Join an established technology-driven business as a Senior Full Stack Developer. You will be a key player in … the development life cycle, contributing to projects and their successful delivery. Due to continued growth, we are looking a creative & talented Senior Full Stack Developer to be be part of our close knit development team. You will be getting heavily involved with the full development life cycle and play a More ❯

Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good … real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You … practices and Agile development methodologies You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Full Stack Developer you will receive a competitive package: Salary to £90k Pension 25 days holiday Excellent career progression to Technical/Team lead Apply now to find out More ❯

in a hybrid manner, 3 days a week. Retelligence are partnered with a fast-growing client based in North London working on exciting greenfield projects and require a senior full stack engineer. Candidates will need to have ambition and great experience managing and owning the full software lifecycle from architecture build and More ❯

in a hybrid manner, 3 days a week. Retelligence are partnered with a fast-growing client based in North London working on exciting greenfield projects and require a senior full stack engineer. Candidates will need to have ambition and great experience managing and owning the full software lifecycle from architecture build and More ❯

something new to build. We have a Wimbledon office but remote opportunities are available for UK-based candidates. What you will do as a senior full-stack engineer As a senior full-stack engineer, you will help build new features and modules, you'll be involved in shaping More ❯

you love turning fresh ideas into working code that solves real problems, you'll fit right in. We're looking for a Full-Stack Developer at a Senior level. You're someone who can grow into our future Lead Engineer, partnering with the technical founders to ship bold, user-focused features and More ❯

something new to build. We have a Wimbledon office but remote opportunities are available for UK-based candidates. What you will do as a senior full-stack engineer As a senior full-stack engineer, you will help build new features and modules, you'll be involved in shaping More ❯

Senior Full Stack Ruby Developer …/Outside IR35/£600 Per Day/Fully Remote/6 Months I am looking to speak to experienced Ruby Developers with commercial experience in a full-stack capacity. The ideal candidate will have extensive and demonstrable experience working with Ruby , React , TypeScript , and exposure to ApolloDB, GraphQL and Sidekiq. In this role you will … directly for a follow up call. The role is urgent, and would ideally see someone start by 8th July latest. Senior Full Stack Ruby Developer/Outside IR35/£600 Per Day/Fully Remote/6 Months More ❯

life and oversee the maintenance of our systems. We're now looking for our first in-house developer to join our team; a confident, capable full-stack engineer ready to take ownership of a mature, production-ready platform and lead it into its next chapter. You'll be at the heart of the product … custom-built machine learning/NLP engine for smart content curation Integration with multiple third-party APIs for distribution and analytics About You You're not just a developer -you're a problem solver … architect, and tech lead rolled into one. Experience writing clean, PSR-compliant, SOLID code Confident working independently, from scoping out features to pushing them live Experience with full-stack development (especially in our stack!) Keep performance, uptime, and data security top-of-mind Comfortable updating documentation, expanding test coverage, and helping with our ISO27001 More ❯

facing systems. From integrating AI capabilities to refining dashboards and internal tools, this is a hands-on, high-impact engineering role. What youll do: Develop and optimise full-stack features across React + Python (Django/FastAPI) Integrate AI/ML components into our SaaS products Drive UI/UX design to build intuitive dashboards for More ❯

stagnation, and have a deep sense of autonomy and accountability. At Alphix, your contributions directly shape the future of B2B marketing. The Role We are seeking an experienced Senior JavaScript full stack developer who loves modern web design and backend development, has a great eye for detail and is excellent problem solver. … Documentation: Create, organize, and continuously update technical documentation to ensure clarity, knowledge sharing, and long-term maintainability of systems and features. Qualifications & Experience: Proven track record as a Senior Software Engineer in a SaaS environment. Deep technical expertise in: Databases such as MySQL, Singlestore, and BigQuery. Expertise working with third party data feed APIs. Strong understanding of software More ❯

CK Group are recruiting for a Senior Full Stack Developer, to join a company in the pharmaceutical industry, on a contract basis for 12 months. Salary: £31.49 - £41.99 per hour PAYE. Senior Full Stack Developer Role: Leverage expertise across frontend, backend, databases, and DevOps … afraid to dig deep and learn new things all the time. Your Background : Proficiency, expertise and productivity in at least one of Java, NodeJS, ReactJS or React-Native. Developer experience within the pharmaceutical or healthcare industry would be highly desirable. Demonstrable understanding of best practices in software engineering, including testing and continuous integration. Familiarity with Linux environment. Understanding More ❯

Do you have a passion for coding and solving problems across the entire tech stack? We're on the lookout for a senior level full stack developer with Laravel and React experience to join our small tech team! Who is Trybe? Trybe is a startup that provides modern cloud-based More ❯

access to capital and liquidity. What We do/The Team The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Senior Java Data Engineer. The FX Data Analytics & Gen AI Technology team provides data, analytics, and tools to Citi FX sales and trading globally and is responsible for defining and … a practical and pragmatic attitude, ability to build consensus, and work both collaboratively and independently in a dynamic environment. Role Overview/What will you do: As a Senior Java Engineer, your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve the way our business is run. Engineer data … of data management, need-to-know (NTK), and data governance. Contribute to shaping and executing the overall data strategy for FX in collaboration with the existing team and senior stakeholders. Closely work with FX desks in understanding the requirements and translating into simple and efficient design. Close interaction with Traders and Quants to understand new requirements for applications More ❯

The FX Data Analytics & AI Technology team, within Citi's FX Technology organization, seeks a highly motivated Senior Java Data Engineer. The team provides data, analytics, and tools to Citi FX sales and trading globally. Responsibilities Responsibilities of the team include engineering and development, with a strong understanding of computer systems and how they operate. Requirements Hands-on More ❯