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Senior GenAI Product Engineer – Full‑Stack & AI

Funding Circle UK is hiring a Senior Full Stack Engineer in Greater London to develop innovative AI/ML products. The role requires strong expertise in full-stack web applications, and a passion for AI technologies. Responsibilities include developing GenAI applications, collaborating cross-functionally with AI e ...

Senior Software Engineer Full‑Stack, Performance‑First

Europython is looking for a Senior developer to work in London, Barcelona, Edinburgh and Berlin. The ideal candidate will have a strong pragmatism and obsession for simplicity, efficiency, and performance, along with extensive experience in building technically complex products in any web programming language ...

Senior Software Engineer Full‑Stack, Performance‑First

Europython is looking for a Senior developer to work in London, Barcelona, Edinburgh and Berlin. The ideal candidate will have a strong pragmatism and obsession for simplicity, efficiency, and performance, along with extensive experience in building technically complex products in any web programming language ...

Senior Full Stack Engineer Hybrid London, Impact

RVU Co UK is seeking a Senior Software Engineer to join our Engineering Department in London. This role offers a hybrid work approach with two office days per week and a commitment to personal and professional growth. As a Senior Full Stack Engineer, you will contribute significantly to modernizing our ...

Senior Full Stack AI Engineer ML & GenAI

Fitch-Group in London is seeking a Senior Software Engineer, Full Stack - AI, to join their agile team. This role focuses on designing and developing innovative AI solutions utilizing cloud-based and containerized architectures. The ideal candidate will have over 7 years of software engineering experie ...

Full Stack Engineer: Investment Tech & AI Trading

CBSbutler Holdings Limited trading as CBSbutler is seeking a Contract Full Stack Engineer to work on a high-profile investment platform in London. This role offers a flexible hybrid work model and pays between £850 and £1200 per day, depending on experience. The ideal candidate will have strong full-stack engine ...

Platform & Cloud Full Stack Engineer — Hybrid London

Vector Recruitment Ltd is seeking a Full Stack Software Engineer to join their fast-growing London technology design consultancy. This role involves designing, building, and maintaining user interfaces with Angular, developing backend services with Go, and contributing to cloud-native solutions. Candidates shoul ...

Frontend Product Engineer Full Stack (Equity Options)

Treefera is seeking a Frontend Product Engineer to enhance delivery capacity in Environmental Intelligence. You will join a cross-functional team, focusing on building software across user interfaces and APIs. The ideal candidate is proficient in TypeScript, React, and NestJS, capable of turning complex ideas in ...

Hybrid Full Stack Engineer for Avios App

IAG Loyalty is seeking a Full Stack Engineer in London to enhance the Avios App. This role involves building features across mobile and backend systems, working with React Native and .NET/C#. Applicants should have strong experience in one area and familiarity in the other, alongside excellent communication skil ...

Full Stack Engineer (Angular Only + UX Focus)

Full-time | Hybrid | Startup Environment Location: Central London Job Summary We’re looking for a motivated and curious Full Stack Engineer to join our early-stage startup based in London. We’re building an industry-specific productivity management tool, AI-powered, suppor ...

Full Stack Engineer – Enterprise Platform, Secure & Scalable

Elliptic is looking for a Full-Stack Software Engineer to design and build customer-facing experiences and platform services. You will work across frontend and backend, developing secure, scalable features that empower authentication and user management. The ideal candidate brings 3–6 years of experience with Ty ...

Full Stack Engineer — Remote & Flexible SaaS/Ecommerce

Elevation Recruitment Group is expanding their UK software engineering team and is seeking two Full Stack Software Engineers. The role involves working on both a long-established LMS platform and a modern headless ecommerce website using React technologies. Candidates should possess strong commercial experience ...

Senior Full Stack Engineer — Web Platform Leader

Fleetio is looking for a Senior Software Developer to coordinate and manage the design, development, and maintenance of the Auto Integrate Web presence in Portsmouth, England. The ideal candidate will have experience with web applications, specifically in front-end and back-end development using React, ASP.NET, ...

Full Stack Engineer: Build Scalable Gaming Systems

FDJ UNITED in Greater London is seeking a Full Stack Developer to engage in the full system development life cycle, from design discussions to product care. The role requires a foundation in Java and Spring frameworks, understanding of REST APIs, and troubleshooting skills. Successful candidates will enjoy a col ...

Full Stack AI Engineer Contract Outside IR35

Full Stack Engineer (AI) - Python, TypeScript Contract Initial 6-month Contract Oliver Bernard are partnered with a fast-scaling AI platform building production-grade systems embedded directly into enterprise workflows. This isn’t experimentation, their tech is already ...

Full Stack Engineer C# .Net Core JavaScript

Overview Opportunity to progress your career in a hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it f ...

Full Stack Engineer, Senior Specialist (Talent Pool)

Full-Stack Engineer (Senior Specialist) Location: Manchester, United Kingdom. Role Overview The role focuses on strong data analysis skills, logical thinking, problem solving, and system design to develop scalable solutions and AI-enabled capabilities across data platforms and a ...

Senior Full Stack Engineer — Drive Web Growth

Praktika.ai in Greater London is seeking a Senior Full-stack Engineer to own their web assets, including onboarding and marketing tools. You will drive product decisions using a data-driven approach, with responsibilities covering the entire web stack, from architecture to deployment. Candidates should have exte ...

Senior Full Stack Engineer — Shape Architecture & Impact

Harnham is looking for three Senior Software Engineers to join their growing team in London, requiring 5+ years of experience in NodeJs and ReactJs. This hands-on role focuses on technical direction and collaboration, encouraging engineers to think critically and shape solutions. Candidates should be self-starte ...

Full Stack Engineer / Technical Lead B2B SaaS

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote – up to £130k. Opportunity for a full stack technologist to join a highly regarded provider of serverless real‑time infrastructure for the Internet that processes billions of messages a day and powers everything ...

Senior Product Engineer – Full Stack, AI Tooling

Allstate Northern Ireland Limited is looking for a Full Stack Engineer based in Belfast. The candidate must have at least 3 years of experience with Java 17+, Spring Boot 3+, and React 18+. Responsibilities include participating in iteration planning and ensuring understanding of technical requirements. Applican ...

Full Stack Engineer – Cloud Native, Scalable Apps

A leading investment platform in Manchester is seeking a talented Developer to design and support scalable applications. The role requires experience in business-critical platforms and proficiency in React, AWS, and microservices architecture. You will be contributing towards strategic technical decisions while ...

Senior Full Stack Engineer – Frontend Editor UI

A leading technology startup in London seeks a Senior Full-Stack Engineer to help build an editor interface for visualizing and annotating data. The role involves end-to-end ownership of projects, requiring expertise in building performance-driven software, particularly complex UIs. This position offers signific ...

Senior Full Stack Engineer: JVM/Kotlin, Hybrid

A boutique technology firm is seeking a Senior Full Stack Engineer to drive the development of scalable solutions across the full technology stack. This role involves working closely with internal teams and clients to deliver robust backend services, data pipelines, and more. Candidates should have strong progra ...

Senior Full Stack Engineer: Shape Architecture & Impact

Senior Full Stack Engineer Department: Tech - Engineering Employment Type: Full Time Location: Zinc - London Reporting To: Rob Leonard Compensation: £70,000 - £80,000 / year <b ...

Senior Full Stack Engineer — Hybrid & AI Tools

Pharmacy2U | Certified B Corp in Leeds is hiring a Senior Full Stack Engineer to develop a new single-platform solution in a flexible hybrid role. The position requires experience with .NET, Microsoft SQL, and familiarity with Agile environments. Applicants should have strong skills in API design, React, TypeScr ...

AI Augmented Full Stack Engineer, Cloud & ML

BNY is looking for a Senior Specialist, AI-Augmented Full-Stack Engineer in Manchester. This role emphasizes using cutting-edge AI tools and cloud-native architectures to enhance financial technology. The ideal candidate will have experience in software engineering, cloud services (Azure/AWS), and a strong desir ...

Senior Full Stack Engineer — Remote, Lead & Build

A leading UK-based provider of HR solutions is seeking a Senior Full Stack Engineer to join their team. This role involves providing technical direction, developing complex applications, and maintaining high-quality standards. You will work closely with the engineering team and mentor less experienced engineers. ...

Senior Full Stack Engineer — Remote, Equity & Impact

A leading online marketplace is seeking a Senior Full Stack Engineer in Bournemouth, UK. This role offers the chance to own engineering delivery end-to-end, from customer-facing experiences to backend systems. Candidates should possess strong full stack experience, expertise in PHP (Laravel), and JavaScript fram ...

Frontend Led Senior Full Stack/AI Engineer

A tech company in the UK is seeking a Senior Full-Stack/AI Engineer with strong JavaScript and TypeScript skills, and expertise in AI applications. As a key player, you will lead technical projects, engage with clients, and contribute to building digital solutions. The role offers a collaborative environment wit ...

Principal Full Stack Engineer Hybrid Tech Leader

A forward-thinking consultancy in Greater London is seeking engineers passionate about coding and collaborative work. Ideal candidates should have experience in programming languages such as Python and JavaScript, expertise in cloud environments (AWS or Azure), and a desire for continuous learning and technical ...

Senior Full Stack Engineer — Fintech Platform, Remote

A growing fintech software company in Greater London is looking for a full-stack software developer with 4-7 years of experience in web development. You'll join a dynamic tech team to optimize and build features for an award-winning web platform using technologies like ReactJS, NodeJS, MongoDB, and AWS. This rol ...

Senior Full Stack Engineer: Remote, Scalable & Secure

A leading technology firm in London is seeking an experienced software engineer specializing in both frontend and backend development to join their team. The ideal candidate will have a commitment to high standards in user experience, privacy, and security. This role offers flexible working options and a compreh ...

Growth‑Focused Full‑Stack Engineer — Marketing Tech

A leading training platform for runners is looking for a full stack engineer to join their Growth team. This role involves building marketing technology systems and full-stack features to enhance user acquisition and engagement. The ideal candidate has 3+ years of full-stack experience, strong skills in TypeScri ...

Senior Full Stack Engineer | AI & Systems Architecture

Atos in Greater London is seeking a Senior Full Stack Engineer to design and build high-quality systems. In this role, you will lead complex projects, collaborate with clients, and support other engineers while remaining actively involved in development. The ideal candidate has a proven track record in full stac ...

Senior Full Stack Engineer – Trading Platform (Hybrid)

NPAworld is seeking a Senior Full-Stack Engineer for their trading platform in Waterloo, London. The position involves building and maintaining high-performance features, requiring strong experience in TypeScript, Node.js, and React. The role is hybrid and emphasizes collaboration with clients and internal teams ...

Senior Full Stack Engineer AWS Fusion Platform

TP ICAP is seeking a Senior Engineer to join their team and build the next generation of the Fusion Platform in collaboration with AWS. The successful candidate will demonstrate deep technical skills, take ownership of software design, development, and deployment, and support junior team members. Ideal applicant ...

Full Stack Engineer (Remote) (City of Edinburgh)

Job Description About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw?We collaborate with leading AI organizations to train L ...

Senior Software Engineer Full‑Stack, Performance‑First

Europython is looking for a Senior developer to work in London, Barcelona, Edinburgh and Berlin. The ideal candidate will have a strong pragmatism and obsession for simplicity, efficiency, and performance, along with extensive experience in building technically complex products in any web programming language ...

Senior Software Engineer Full‑Stack, Performance‑First

Europython is looking for a Senior developer to work in London, Barcelona, Edinburgh and Berlin. The ideal candidate will have a strong pragmatism and obsession for simplicity, efficiency, and performance, along with extensive experience in building technically complex products in any web programming language ...

Senior Full Stack Engineer Hybrid London, Impact

RVU Co UK is seeking a Senior Software Engineer to join our Engineering Department in London. This role offers a hybrid work approach with two office days per week and a commitment to personal and professional growth. As a Senior Full Stack Engineer, you will contribute significantly to modernizing our ...

Senior Full Stack AI Engineer ML & GenAI

Fitch-Group in London is seeking a Senior Software Engineer, Full Stack - AI, to join their agile team. This role focuses on designing and developing innovative AI solutions utilizing cloud-based and containerized architectures. The ideal candidate will have over 7 years of software engineering experie ...

Lead Full Stack Engineer – Hybrid (Public Sector)

Informed Solutions is seeking a Lead Full Stack Software Engineer to take charge of technical ownership of complex digital solutions. This role involves collaborating across teams to shape enterprise-scale solutions while mentoring colleagues. The position offers flexibility to work from either the Altrincham ...

Senior Full Stack Engineer, Front End Leaning

About us Encord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPath, Zipl ...

Senior Full Stack Engineer in Ireland Blockdaemon

Join Our Technical Team In this role, you'll join forces with a seasoned technical team of senior engineers, all dedicated to bridging the world with blockchain technology. Together, you'll create state-of-the-art applications and high-performance services, shaping the industry's future. Req ...

Full Stack Senior Engineer in London Loopla

About Us Loopla is an online family events platform with a mission to grow and develop a web-based events platform and event management system. We are a small, dynamic team based in London with a passion for connecting families through engaging and memorable experiences. About the Role </h ...

Senior Full Stack Engineer — TypeScript, AWS & Svelte

Java Script Works is seeking a Senior Full Stack Engineer to join their team in London. The role requires knowledge of Typescript, Svelte, and AWS Serverless, with confidence in learning new technologies being essential. The company offers a competitive salary and bonus as part of its commitment to valuing exper ...

Senior Full Stack Engineer: Remote Energy Impact

Amber Electric Pty, based in the UK, is seeking a Senior Full Stack Engineer to join their dynamic team. The ideal candidate will contribute to optimizing energy usage and driving the transition towards renewables through innovative technology, including a strong focus on front-end and back-end solutions. </p ...

Senior Full Stack Engineer, Activation GCP/Serverless

Akeneo seeks a Senior Software Engineer to shape the future of a scalable serverless cloud environment. You will architect solutions using technologies like Node.js and React, mentor fellow engineers, and work collaboratively across teams. The role emphasizes ownership of projects, communication skills, and a co ...

Senior Full Stack Engineer, AI & Data Platforms

hackajob is seeking a Full-Stack Engineer (Senior Specialist) to develop scalable AI-enabled solutions and tackle complex enterprise data problems. The role involves collaborating with cross-functional teams, designing both front-end and back-end applications, and experimenting with AI methodologies. Candidates ...

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    Full Stack Engineer Python And React Jobs in United Kingdom Job Search Guide, Trends and Insights