17 of 17 Permanent Senior Full-Stack Engineer Jobs in the South East

Senior Full Stack Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and … consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Engineer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Guide and develop the skills of junior … optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Engineer - Experience Required Proven experience as a Senior Full Stack Engineer or similar role with a strong portfolio of More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer 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 … happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech discipline What's in it for you: As a Senior Software Engineer 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 More ❯

Senior Full-Stack AI Engineer Contract opportunity 6 month initial contract with likely extension £650 - £700 per day DOE Inside IR35 Oxford based Hybrid role … to 3 days onsite per week) *Please note this role requires Security Clearance Job description We are looking for a Senior Full Stack AI Engineer with strong hands-on experience in building advanced multi agent AI systems using frameworks such as LangGraph or similar. You will be responsible for designing, developing and More ❯

Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS 📍Location: West London, 2-3 days a week on site 💸Salary: £90,000-110,000 📈 Incubated: A startup within a global music business ⚙️Required Skills: TypeScript, NextJS, Nextjs, GCP, ReactJS 👥 *High Societal Impact* Join a startup redefining music technologies' role within health and wellbeing.. We're … and across the stack with TypeScript Experience working with ReactJS or similar on the front end Motivated to work on ambiguous projects with relatively novel challenges Senior Software Engineer (Music Tech/AI) - TypeScript, NestJS, NextJS, GCP More ❯

Senior Full Stack Engineer Are you a pragmatic, innovative, and self-motivated problem solver with a passion for building scalable, high-performing software? We're looking for a Senior Full Stack Engineer to join a high-performing product team working on a global, high … performance to ensure fast, seamless user experiences Contribute to continuous improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS , and responsive design principles Strong understanding of Back End technologies and best practices Passion for More ❯

Senior Full Stack Engineer Are you a pragmatic, innovative, and self-motivated problem solver with a passion for building scalable, high-performing software? We're looking for a Senior Full Stack Engineer to join a high-performing product team working on a global, high … performance to ensure fast, seamless user experiences Contribute to continuous improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS , and responsive design principles Strong understanding of Back End technologies and best practices Passion for More ❯

Senior Full Stack Engineer This role is Hybrid, 1 day p/w in Oxford. La Fosse are partnering with an established research & development institute, who are looking to extend their software development team. The successful candidate will be joining a cross-functional team working alongside architects, platform engineers, and data engineers … data lifecycle, monitor sequencing device telemetry, and provide the tooling their science teams need to discover and use data. As a Senior Full Stack Engineer, you will help design, build, and maintain user-facing components of our scalable, high-performance data platform supporting their bioinformaticians and science teams. Key Requirements: JavaScript More ❯

Please follow this link to apply: Role Summary We are seeking a senior full-stack AI/ML engineer with deep expertise in agentic AI frameworks such as LangGraph (or equivalent) and proven commercial experience building complex, multi-agent systems with more than at least four agents. This role blends cutting-edge More ❯

Overview Senior Full Stack Engineer £70,000 - £80,000 Equity Hybrid (Wokingham-based) Python React AWS Location: Wokingham, UK (Hybrid - 2-3 days office-based) Salary: £70,000 - £80,000; £10k equity package Tech Stack Backend: Python (Flask/FastAPI/Django) Frontend: React, TypeScript Cloud: AWS Are you an … experienced Full Stack Engineer who thrives in fast-moving, product-led environments? We're partnered with an innovative AI-driven organisation using intelligent automation to simplify complex, everyday challenges. Their technology combines modern software engineering with human-centred design to deliver smarter, more efficient digital experiences. This is an opportunity to join a small … home here. Benefits Competitive salary and £10k equity package. 26 days holiday your birthday. Hybrid working (2-3 days in the Wokingham office). Opportunity to grow into senior or lead roles as the team expands. Work closely with a small senior team on next-generation AI products. How to apply Interested in joining a team More ❯

Oxford fosters a culture of collaboration, innovation, and resilience, valuing diverse expertise to drive sustainable solutions to humanity's enduring challenges. Position We are seeking to recruit a Senior Full Stack Software Engineer to help design, build, and maintain user-facing components of our scalable, high-performance data platform supporting our bioinformaticians More ❯

public health. EIT Oxford fosters a culture of collaboration, innovation, and resilience, valuing diverse expertise to drive sustainable solutions to humanity's enduring challenges. We are seeking a Senior Full Stack Software Engineer to help design, build, and maintain our web-based SaaS platform that enables researchers and clinicians to engage with … of clinicians and researchers. Continuously improve development workflows through automation, tooling, and documentation. Essential Knowledge, Skills and Experience Proven experience as a Full Stack Engineer in production applications. Strong skills in React or a similar Typescript front end framework. Proficiency in Python, with experience in FastAPI (or similar API frameworks), and SQL databases. Hands More ❯

Join a leading global bank as a Full-Stack Engineer within their front office team. You'll help drive a multi-year transformation of their Fixed Income technology platform, building … high-performance, real-time applications that support trading workflows. Key Responsibilities Design and develop real-time, high-performance microservices to support Rates and Credit trading workflows Deliver full-stack solutions across Java, React, and TypeScript Collaborate with business stakeholders to understand trading needs and deliver impactful features Contribute to the design of scalable, event-driven, microservices More ❯

Your new company An innovative and rapidly growing organisation at the forefront of space technology is seeking a Senior Full Stack Software Engineer to join their Ground Segment Software team. With a mission to tackle the critical issue of orbital debris, this company is shaping the future of sustainable space operations through More ❯

An exciting opportunity for an experienced Full-Stack Engineer to help transform a major Fixed Income front-office technology landscape. You'll architect and deliver high-performance, real-time React applications that support trading workflows, working closely with stakeholders to shape a scalable, future-ready platform. Key … Responsibilities: Design and develop modern, real-time React/Java applications for trading workflows Work closely with engineers to build robust, scalable, and low-latency systems Lead full-stack solution design, with a focus on backend performance, reliability, and system integration Translate business and technical requirements into cohesive system architectures Promote engineering excellence, modern development practices … in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design, including distributed and low-latency systems Ability to drive full-stack solutions, with a strong backend focus and solid UI fundamentals Demonstrated experience within a Rates or broader Fixed Income trading environment Strong appreciation for system-level design More ❯

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelines that power mission-critical financial transactions. We're building modern, cloud-native systems using .NET/C#, Azure More ❯

Ciphr has an exciting opportunity for a Senior Full Stack Engineer to join the team as we grow and develop. Your role will be a hands-on development position and you will work across the entire tech stack, designing, developing, testing, and maintaining software applications as well as refining user More ❯

world’s leading enterprises—including FTSE100 and Fortune 500 companies—to deliver complex digital, cloud, and data-driven solutions. What we’re looking for We are seeking a Senior Full Stack Developer (Consultant) who enjoys coding but also thrives in a client-facing environment. This role is a mix of development, solution design, and More ❯