276 to 300 of 407 Senior Full-Stack Engineer Jobs

Senior Full-Stack Engineer — AI & Real-Time Systems

Location
England, United Kingdom
Atarus, a fast-growing AI company, is seeking a strong Full Stack Engineer to own and ship core product features end-to-end, spanning backend systems, frontend applications and AI-powered functionality. You will build scalable services and APIs handling real-time data, develop ...

Senior Full-Stack Engineer — Production-Grade Data Apps (AI)

Location
Southampton, England, United Kingdom
Analytium Ltd, a boutique UK data and analytics consultancy, seeks a capable engineer to productionise an existing analytics accelerator. You will own the product, take it from prototype to real users, and collaborate with client teams to meet deployment and security constraints. Strong Python, data modelling, and containerised ...

Senior Full Stack/Native Cloud Engineer (Vice President)

Hiring Organisation
Jefferies Financial Group
Location
London, UK
Employment Type
Full-time
equity, high yield, convertible and international securities for institutional investors and high net worth individuals. Role OverviewJefferies is seeking a highly experienced Senior Full Stack/Native Cloud Engineer at Vice President level to join our London Technology team. This … build resilient, high-performance platforms and user-facing solutions that support critical front-office workflows. This role is well suited to an engineer who is comfortable operating across the full technology stack, from backend services and distributed data architecture through to responsive user interfaces ...

Senior Full-Stack Engineer, North Tools & Retrieval

Hiring Organisation
Cohere
Location
London, UK
Employment Type
Full-time
that connects enterprise data sources to North's agents. We are a small team owning a wide surface area, and we need a senior generalist who can move freely across backend and frontend as the roadmap demands. You will pick up any layer of a feature, from ...

Senior Full-Stack Engineer — Climate Tech, Stock Options

Location
Greater London, England, United Kingdom
Currence is an AI-native market intelligence company focused on clean, cheaper and faster energy solutions. We’re a hybrid team with London headquarters and a strong global presence, seeking engineers who can work across ...

Senior Software Engineer: AI/ML, Full-Stack, Equity, Hybrid

Location
Greater London, England, United Kingdom
Iterum Trading Limited is seeking a Mid‐Level to Senior Full Stack Developer in London to help build Iterum IQ, focusing on AI/ML‐driven features. You’ll work closely with the Head of Product and a Fractional CTO, shaping architecture and mentoring ...

Senior AI Full-Stack Engineer - Hybrid, Impact-Driven

Location
City of Westminster, England, United Kingdom
National Grid plc is seeking a Senior AI Full Stack Engineer to lead AI-enabled product development across discovery, design, and production. The role focuses on turning strategic intent into usable, valuable software while collaborating with product, design, data, and security teams. ...

Senior Full Stack Engineer

Location
Greater London, England, United Kingdom
requiresSecurity Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high‐quality software and designing robust systems. You will work on complex, large‐scale solutions across … collaboration, and continuous learning, and we actively support innovation and knowledge sharing. Your Future Role As a Senior Full Stack Engineer, you will: Design, build, and deploy scalable, high‐quality systems Translate business and client requirements into technical solutions Work directly with ...

Senior Full-Stack Engineer — High-Impact, Flexible & Global

Location
United Kingdom
Xcelirate is seeking a seasoned Full-Stack Developer to own features end-to-end across PHP backend and modern JavaScript frontend. You’ll ship clean, maintainable code, tackle legacy quirks, and refactor for speed and scalability. With independence, you’ll drive initiatives, participate in design reviews ...

Senior Full-Stack Engineer for AI-Driven NetworkOps

Location
Greater London, England, United Kingdom
Ookla, an Accenture company, seeks a Senior Developer to shape intelligent, AI-driven operations for global telecom operators. You’ll build front-end interfaces in React and robust Python back-ends handling large time-series telemetry, collaborating with a global product and engineering team across cloud platforms ...

Senior Full Stack Software Engineer

Location
United Kingdom
insights to ensure development releases securely, IT purchases safely, and the SOC can effectively detect, isolate, and respond. Your future role as a Senior Software Engineer is extremely important for the success of our solution – a spectra.assure platform for software assurance. This is a game-changing ...

Senior Front-Office Full-Stack Engineer (Hybrid)

Location
Greater London, England, United Kingdom
Vanguard is seeking a Senior Full Stack Software Engineer to design, develop and optimize front office applications within the GIFS team. You will collaborate directly with portfolio managers and product owners to deliver high-impact software. The role requires deep experience ...

Senior Full-Stack Engineer — AI‐Driven Fintech with Flexible Work

Location
Greater London, England, United Kingdom
Lendable is seeking a fullstack Python engineer to join the Central Operations team in a fast‐moving fintech environment. You will ship web apps and automation that empower Ops—driven by data, AI, and scalable architectures. You’ll work with FastAPI, Python ...

Hybrid Senior Laravel Full-Stack Engineer

Location
United Kingdom
Test Partners LLP is seeking a Senior PHP/Laravel Full-Stack Developer to join our in-house team. You will own features end-to-end across Laravel applications, from design through to deployment, while maintaining a security-first mindset. Ideal candidates bring 10+ ...

Senior Full-Stack & Edge Systems Engineer (SbD)

Location
Greater London, England, United Kingdom
Zaizi Ltd in London is seeking a Senior Full Stack & Systems Engineer to join Defence delivery. You will build mission-critical web applications and API backends for MoD programmes, while contributing to edge and TAK platforms. You will work at the intersection ...

Senior Full Stack Engineer

Location
Sheffield, England, United Kingdom
role of Senior Full Stack Engineer. In the role as Senior Full Stack Engineer, you will focus on hands‐on engineering across backend microservices, UI applications and databases to deliver a first‐in‐class solution iteratively ...

Senior Full-Stack Engineer — AI-Driven Commerce Platform

Location
Greater London, England, United Kingdom
Swap Commerce Limited in London is seeking a Full Stack Engineer to join our growing engineering team. You will design and implement elegant software across the stack, choosing the right tools and libraries to meet product needs and scale. You will work ...

Senior Full-Stack Engineer – AWS Serverless & GraphQL

Location
West of England, England, United Kingdom
Hargreaves Lansdown seeks a full stack engineer to design and evolve customer-facing services within AWS serverless environments. You will build backend services, APIs, and platform capabilities, while contributing across the stack including React. You’ll join a collaborative team delivering secure ...

Senior Full Stack Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Security Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high-quality software and designing robust systems. You will work on complex, large-scale solutions across … guide other engineers, this role is engineering-led rather than people-management-focused. Where Purpose Meets Career Technology This is a true full-stack role , offering exposure to a broad range of technologies and architectures. You will continuously upskill while working alongside highly talented engineers, selecting ...

Senior Full Stack Engineer

Location
Westminster, West End, United Kingdom
Security Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high-quality software and designing robust systems. You will work on complex, large-scale solutions across … guide other engineers, this role is engineering-led rather than people-management-focused. Where Purpose Meets Career Technology This is a true full-stack role , offering exposure to a broad range of technologies and architectures. You will continuously upskill while working alongside highly talented engineers, selecting ...

Senior C# Full-Stack Engineer for Scalable Web Apps

Location
Metropolitan Borough of Solihull, England, United Kingdom
Convergence Group in Solihull seeks a Full Stack Software Engineer with strong C# skills to design and build the next generation of software powering the business. The role focuses on creating scalable web apps using C#, JavaScript, React/Blazor, and Azure services, with ...

Senior Full-Stack Engineer (React/Node) - Hybrid London

Location
Greater London, England, United Kingdom
Sanderson in London is seeking a Full Stack Developer with a strong React and Node background to join a fast-growing technology company delivering innovative digital products to a global customer ...

Senior Full-Stack Engineer – Public Sector Cloud

Location
Leicester, England, United Kingdom
Consulting UK FutureNow is seeking a Senior Full Stack Developer to drive delivery of cloud-native applications across front-end and back-end technologies. You’ll design, develop, test and deploy solutions, focusing on secure, scalable architectures and strong API ecosystems. Join a multidisciplinary ...

Senior Fullstack Engineer (Java/React) — AI-Driven Architect

Location
Leeds, England, United Kingdom
CreateFuture, an AI-native consulting partner, is seeking a Senior Fullstack Engineer to shape technical direction, mentor teams and embed AI into delivery. You’ll design scalable backend in Java/Spring and frontend in React, building APIs and microservices that power business outcomes. ...

Senior Fullstack Engineer (Java/React) — AI-Driven Architect

Location
Manchester, England, United Kingdom
CreateFuture, an AI-native consulting partner, is seeking a Senior Fullstack Engineer to shape technical direction, mentor teams and embed AI into delivery. You’ll design scalable backend in Java/Spring and frontend in React, building APIs and microservices that power business outcomes. ...