326 to 350 of 405 Permanent Senior Full-Stack Engineer Jobs

Q1 Technologies, Inc. is seeking an experienced Full Stack Developer with strong Python and React.js expertise to design, develop, and maintain scalable web applications. You will build REST APIs, microservices, and ...

Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this roleAs a Senior Fullstack Engineer on GTM Engineering, you will design and build the backend systems and services that power our go-to-market ...

built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high … team is growing and we'd love you to grow with us. We're looking for a Senior Full Stack Engineer to help shape and scale our technology platform as we pursue our ambitious vision. In this role, you'll take ...

JustPark is seeking a Senior Fullstack Developer to ship high-impact features across web, mobile and backend. You will own meaningful parts of the product surface, collaborate with product and design, and raise code quality while contributing to AI-powered tooling adoption. You will join a fast-moving ...

Experis in London/Remote is seeking a Quality Engineer - FullStack to lead testing strategy and raise software quality across releases. This 12-month umbrella contract provides a flexible London/remote setup, with responsibilities focused on defining standards and guiding release decisions. You will work across teams ...

Ports North is looking for a talented Senior Fullstack Software Engineer to join their product engineering team. The ideal candidate will work primarily on backend services while also contributing to frontend applications, designing scalable systems, and collaborating with international teams. This remote position requires strong expertise ...

robust, performant, and reliable infrastructure as much as polished user-facing interfaces. We're looking for a Senior Full Stack Engineer to join Team Web, who is passionate about crafting intuitive front-end experiences and building the backend systems and tools that ...

Applied Intuition UK in London is seeking a Senior Fullstack Engineer to join our UK team. You will design and ship production software spanning front-end and back-end, ensuring coherence with the broader product line. You will work closely with designers and product managers, owning ...

thoughtfully rather than rewriting it, and being trusted to deliver without heavy supervision, this role will feel unusually well-matched. The role As Senior Fullstack Software Engineer, you will help design, build and maintain the production systems that power Outsmart’s platform. You’ll work closely … systems that matter. The environment We are a small, intellectually serious company. That has advantages and responsibilities. You will: Speak directly with senior decision‐makers when needed Operate without perfect documentation Balance speed with long‐term maintainability This role suits someone comfortable with autonomy, accountability and cross‐functional ...

Reapit is seeking a Staff Full Stack (TypeScript/React) Engineer to own end-to-end delivery across the stack. You’ll work embedded in a squad, including forward-deployed work with clients, shaping requirements, prototyping in sessions and delivering production-grade software. ...

fast-growing tech firm is seeking a Senior Full Stack Developer to work on AI-powered tools that support critical decision-making. You'll handle a React frontend and Java/Spring Boot backend, guiding architecture, mentoring developers, and driving engineering standards. Offering ...

experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team ...

CGI in the United Kingdom is seeking Full Stack Software Engineers to deliver end-to-end digital solutions that empower organisations to innovate, scale and succeed in a digital-first world. ...

Flok Health is seeking driven software engineers with a product mindset to build AI-native healthcare applications in a collaborative, patient-focused team. You’ll work across the stack, partner with design and ...

Softwire is looking for experienced software developers based in London, focused on delivering great client solutions through technology. With at least 3 years of experience, you will lead teams, foster technical excellence, and communicate effectively ...

hiring hyper-talented people who want to work at the forefront of AI and revolutionise an industry. At a glance Role: Senior Fullstack Engineer Location: London, UK (Hybrid, in-person 4 days per week) Team: Engineering Compensation: Top of market. Competitive base + OTE The role ...

Expedia Group is seeking a senior Fullstack Engineer for the Product Experience team to design, build, and maintain high-availability property detail pages across multiple domains. You will join a multi-functional team and work toward scalable, resilient systems with a growth mindset. Based in London ...

SmartChoice International Limited is seeking a Full Stack Developer in the United Kingdom to join our engineering team building scalable, cloud-based applications. You will work on backend services and modern ...

Convergence Group is seeking a Full Stack Software Engineer with strong C# skills to design and build the next generation of software powering our business. The role offers a fast-paced, high-growth environment with a hybrid working model and Solihull office days. ...

Gravy is seeking a Senior Software Engineer to join a fast-growing team building AI-native features across the full stack. You will own critical features from frontend interfaces to robust backend services and data layers, leveraging TypeScript/Node.js and AI tooling. ...

Informed Solutions is seeking a Senior Full Stack Software Engineer to lead end‐to‐end delivery of complex digital solutions in the public sector. You’ll own architecture, guide teams, and collaborate across engineering, design, and delivery management on greenfield projects. ...

Kpler, a dynamic data platform provider, seeks a Senior Fullstack Engineer to evolve the frontend platform behind MarineTraffic and Kpler Terminal. You will lead migration to Atlas, unify monorepo architecture, and build platform-level microservices powering maps, search, and dashboards for millions of users. Working with ...

Avallo in the United Kingdom is hiring a Senior Full Stack Engineer to join our core engineering team. You will take ownership of technically demanding projects across client engagements and work with founders, executives and client teams. The role is hands ...

Jackalope Digital LLC in London is seeking a Senior Fullstack Engineer to own complex merchant-facing solutions from problem definition through design and production. You will work across backend and frontend services, collaborating with product, design, and operations to deliver scalable, reliable features. You will mentor ...

Threecolts LLC is seeking a Full-Stack TypeScript Developer to enhance their AI-driven e-commerce platforms. The role involves driving technical decisions, designing scalable applications, and collaborating with product teams to improve user experience. Ideal candidates should have at least 6 years of software development ...