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Generative AI Engineer: Build Scalable LLM Apps

Checkout.com in Greater London seeks a skilled AI Engineer to develop high-impact Generative AI applications. The successful candidate will collaborate across diverse teams, leveraging expertise in cloud computing and backend development. Responsibilities include designing user-friendly AI solutions and optimizi ...

Lead Java Engineer AWS & Microservices

AND Digital Limited in Bristol is seeking a Lead Engineer to drive technical decisions in a commercial development team. The ideal candidate should have expertise in Java and JavaScript, with a strong grasp of cloud-native architecture. This position offers a blended working model and emphasis on perso ...

Remote AI Systems Engineer Backend & Orchestration

Outlier AI is looking for experienced backend engineers to improve AI agents through human feedback on innovative projects. Applicants should have over two years of experience in backend engineering or AI automation, along with strong programming skills in languages like Python and JavaScript. The role offers re ...

Remote AI Orchestration Engineer

Outlier AI, based in Leicester, is looking for an experienced backend engineer to help improve AI agents through human feedback. This role requires a minimum of 2 years of experience in backend engineering, with strong skills in Python, JavaScript, SQL, and complex systems integration. Ideal candidates will poss ...

Lead Quality Engineer Test Automation & CI/CD Expert

Java Script Works is seeking a Lead Quality Engineer specializing in Test Automation based in Alderley Edge, United Kingdom. The role requires in-depth expertise in automation for web-based applications and strong programming skills in JavaScript, TypeScript, or Python. The successful candidate will jo ...

OMS & Trading Systems Implementation Consultant

Java Script Works is seeking an experienced Implementation Consultant based in Greater London. The ideal candidate will have a BSc or MSc in IT, Economics, Mathematics, or Finance, along with substantial software implementation experience. Proficiency in JavaScript and familiarity with various programming langua ...

Remote AI Solutions Engineer Multi Turn Agent Systems

Outlier AI is seeking an experienced backend engineer to help shape the future of autonomous agents. The ideal candidate will have over 2 years of experience in backend engineering, AI automation, or complex systems integration, and a strong command of at least two major programming languages like Python or Java ...

AI Creative Tools Forward Deployed Engineer

Customuse Ltd is seeking a Forward-Deployed Engineer to work closely with customers and enhance creative workflows using AI tools. You will build integrations and rapidly iterate on AI workflows for image, video, and 3D asset creation. The role requires strong technical skills in TypeScript, JavaScript, React, a ...

Remote AI Evaluation Engineer: Train Next Gen Agents

Outlier AI is seeking a backend engineer to help shape the future of AI agents with a strong focus on automation and complex systems integration. The ideal candidate will have over 2 years of experience in backend engineering and proficiency in at least two major programming languages, such as Python or JavaScri ...

Senior Full Stack Engineer Remote UK, High Impact

OnBuy in Greater London is seeking a Senior Full Stack Engineer to build and scale their core commerce platform. The role entails end-to-end engineering ownership responsible for developing high-quality solutions that bolster customer experience and seller performance. Candidates should have strong full-stack ex ...

Remote AI Systems Engineer Backend & Orchestration

Outlier AI is looking for experienced backend engineers to improve AI agents through human feedback on innovative projects. Applicants should have over two years of experience in backend engineering or AI automation, along with strong programming skills in languages like Python and JavaScript. The role offers re ...

Lead Java Engineer AWS & Microservices

AND Digital Limited in Bristol is seeking a Lead Engineer to drive technical decisions in a commercial development team. The ideal candidate should have expertise in Java and JavaScript, with a strong grasp of cloud-native architecture. This position offers a blended working model and emphasis on perso ...

Principal Engineer (UI) in Newcastle upon Tyne Oak Engage

Product Goals Lead the development of high-quality, accessible, and performant UI components using React, TypeScript, and other JavaScript frameworks. Collaborate closely with designers, product managers, and backend engineers to shape seamless user experiences across... About the Role < ...

Senior QA Automation Engineer Hybrid (Playwright, TS)

Applied Blockchain is seeking a Senior QA Automation Engineer to join their trading platform development program. The role involves building and maintaining automated test pipelines and ensuring high quality as the platform evolves. Applicants should have 3+ years of experience, with strong knowledge of autom ...

Remote Full Stack Engineer: C#/.NET Core, React & SQL

Huxley is seeking a Full Stack Software Engineer with expertise in C# .NET Core, SQL, and JavaScript to join their online education business. This fully remote role offers a salary between £50,000 and £60,000, along with opportunities to work on industry-leading e-learning software. The candidate will be respons ...

Senior Full Stack Engineer (C#, Azure) Hybrid + 33 Days PTO

Convergence Group, located in Solihull, seeks a Full Stack Software Engineer with strong C# skills to join their ambitious team. With over 5 years of experience in software development, you will build high-quality web applications, focusing on both front-end and back-end technologies, including C#, JavaScript, a ...

Technical Account Manager — Enterprise Security & Growth

HUMAN Security, Inc. is seeking a Technical Account Manager to enhance customer success and satisfaction. In this role, you'll manage relationships, provide exceptional support, and collaborate with diverse teams. The ideal candidate has 5-7 years of B2B enterprise experience, strong organizational skills, and a ...

Global Software Architect Scalable & Secure Systems

LexisNexis Risk Solutions in Richmond, UK, is seeking a Software Architect to lead architecture design and ensure governance for scalable, secure systems. You will work with global teams to align technical decisions with business goals, implement emerging technologies, and foster inclusive, high-performing teams ...

Lead Integrations & API Architect

A pioneering AI technology company in Cambridge is seeking a Head of Integrations to lead technical aspects related to system integration. The ideal candidate will possess a deep technical background in software development and can engage with clients effectively. Responsibilities include overseeing integration ...

Growth Focused Full Stack Engineer (Marketing Tech)

A digital fitness platform in the UK seeks an experienced full stack engineer to enhance their marketing technology systems. You’ll work on implementing ad tracking, building full stack features, and integrating CRM tools. The ideal candidate has over 3 years of experience in full stack development, strong JavaS ...

Senior Software Engineer — ASP.NET/React ERP Web Apps

Java Script Works is looking for a Senior Software Engineer to join their team in Hungerford, United Kingdom. The ideal candidate has hands-on experience in web and application development using ASP.NET, JavaScript, TypeScript, React, and Web API, with ERP systems experience being a plus. The position offers a f ...

Frontend HTML5 Developer Slough in London Quant Capital

Tech Stack HTML5, CSS3, JavaScript, Angular, React Client Details My client is based in Slough, SL2 and offers one of the best training and development packages in the market, all inclusive. Job Opportunity Challenge: Develop Greenfield systems and increase functional ...

Core Java Engineer Fintech, SQL, £80k+ Bonus

Java Script Works is seeking a Core Java Engineer in Greater London to join their fintech client, recognized as one of the top 100 financial technology businesses. The role offers a competitive salary of £80k plus bonuses. The ideal candidate will possess strong Core Java skills, SQL experience, and ideally some ...

Frontend Engineer React/TypeScript Leader & Player Coach

Required Skills You’ll need solid knowledge of JavaScript and TypeScript, HTML, and CSS. We’re also looking for strength in with Mobx, React, and Redux. Responsibilities You’ll be our resident expert on frontend best practices and be a player/coach with the rest of the frontend tea ...

Frontend HTML5 Developer Build Greenfield, High Traffic Apps

Tech Stack HTML5, CSS3, JavaScript, Angular, React Client Details My client is based in Slough, SL2 and offers one of the best training and development packages in the market, all inclusive. Job Opportunity Challenge: Develop Greenfield systems and increase functional ...

Staff Frontend React Engineer | Lead & Shape UI

Java Script Works is seeking a Staff Frontend React Engineer to lead the design and implementation of frontend applications. You will collaborate with architects and cross-functional teams to define and ship new features. The ideal candidate has over 10 years of experience in software engineering with ...

Senior Software Engineer Hybrid, Cloud & Leadership

A sustainability-focused engineering firm in the UK is seeking a Senior Software Engineer to join their Tech Hub. This role involves designing scalable software solutions and leading a team to deliver high-quality features for critical systems aimed at achieving Net Zero by 2050. The ideal candidate will have st ...

Senior Software Engineer Biotech Instrumentation (On site)

A pioneering biotechnology firm in Cambridge is seeking a Senior Software Engineer to lead the development of the Amperia analytical tool. The role requires strong full-stack capabilities, collaboration with lab scientists, and expertise in Python, C++, and JavaScript. You will contribute to product direction an ...

Lead Integrations & API Architect

A pioneering AI technology company in Cambridge is seeking a Head of Integrations to lead technical aspects related to system integration. The ideal candidate will possess a deep technical background in software development and can engage with clients effectively. Responsibilities include overseeing integration ...

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 ...

Frontend Led Senior Full Stack/AI Engineer

A progressive tech company in Greater London seeks a Senior Full-Stack/AI Engineer with expertise in JavaScript and a focus on frontend technologies. You will work on AI-integrated projects and engage directly with clients to deliver high-quality solutions. This role requires strong leadership and collaborative ...

Senior SDK Engineer Onboarding & Web Platform

A financial technology company in Greater London is seeking an experienced software engineer to architect and build a client-side SDK. This involves designing a JavaScript/TypeScript interface for identity verification and engaging with customers to ensure seamless integration. Ideal candidates will have over 5 ...

Graduate AI Web Engineer – Remote 3x/Week

A multinational technology firm is seeking a personable IT graduate to join their team in Manchester. The role allows for work-from-home flexibility up to three days a week. Responsibilities include developing innovative web-based user interfaces using JavaScript, HTML5, and CSS3 while utilising AI to improve cu ...

Growth Focused Full Stack Engineer (Marketing Tech)

A digital fitness platform in the UK seeks an experienced full stack engineer to enhance their marketing technology systems. You’ll work on implementing ad tracking, building full stack features, and integrating CRM tools. The ideal candidate has over 3 years of experience in full stack development, strong JavaS ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading technology company in the UK is seeking a full-time Software Engineer to join its growing teams in London, Gloucester, or Manchester. The ideal candidate will have full-stack experience, proficiency in Java with Spring Boot, and familiarity with modern JavaScript frameworks. This position offers compet ...

Senior Frontend Engineer – Scalable Enterprise UI

A global technology company in Greater London is looking for a Frontend Engineer to join their TechOps team. In this role, you will be responsible for developing high-quality software products, implementing features, and resolving bugs. The ideal candidate will have over 5 years of software development experienc ...

Remote Full Stack Engineer & AI Trainer

A leading tech consulting firm is seeking a Full Stack Engineering Specialist - AI Trainer to utilize their expertise in frontend and backend technologies. The role involves reviewing AI-generated code, ensuring its quality, and collaborating with teams to enhance AI models. Ideal candidates should have strong s ...

Lead Software Engineer Python & Java, Markets Tech

A leading financial services institution in Greater London is seeking a Lead Software Engineer to design scalable technology solutions that support business goals. You will work in an agile environment, developing high-quality production code and collaborating across functions to ensure compliance and functional ...

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 Java Engineer Equities Platform Lead

A global financial services firm is seeking a Lead Software Engineer to create and support innovative software solutions for their Equity Derivatives platform. The ideal candidate will have strong expertise in Java, Spring Boot, and JavaScript frameworks, with a focus on agile team collaboration. You'll work wit ...

Senior Growth Full Stack Engineer — Onboarding & Funnels

A technology startup focused on fitness is looking for a Senior Full Stack Engineer to join their Growth Engineering team. This role involves architecting and building user journeys to enhance conversion rates, collaborating with various teams, and implementing tracking for user behavior insights. The ideal cand ...

Senior Full Stack Engineer & Technical Leader

Burendo is seeking passionate engineers to join their team in Leeds, UK. This role involves working across the tech stack and participating in all stages of the software development lifecycle. Candidates should have experience in key programming languages like Python and JavaScript, and familiarity with cloud en ...

Cloud & Integrations Engineer (Remote UK)

NedGraphics, Inc. is hiring a Software Engineer (Cloud & Integrations) to work remotely from the UK. You will join a scrum team to build and maintain cloud products, design serverless architectures on AWS, and develop secure APIs. The ideal candidate has over 3 years of software development experience, strong ex ...

Remote UK Senior Full Stack Engineer | End to End Platform

Gofractional is looking for a Senior Full Stack Engineer Contractor based in the UK. This remote role involves owning the engineering delivery from front-end to back-end systems. You will design and build scalable solutions across UI, APIs, and backend, collaborating with cross-functional teams. Essential qualif ...

Lead AI Engineer: Agent Platform Architect

A leading AI-driven e-commerce platform in Greater London is seeking a Lead AI Engineer to oversee the architecture and technical direction of the agent platform. This role will involve building scalable conversational AI agents using modern JavaScript and Python frameworks. The ideal candidate has over 6 years ...

Growth Optimization Lead: Subscriptions & Retention

A leading audio streaming service is seeking a Lead, User Growth Optimization in London. This role focuses on elevating the conversion optimization strategy to drive subscriptions, reduce churn, and maximize lifetime value. Responsibilities include managing A/B testing initiatives and collaborating across teams ...

Senior Full Stack Engineer, GCP & AI Platform (Remote UK)

A technology consulting firm is seeking a Senior Full Stack Engineer to work on a cloud-native market intelligence platform. The role includes developing and maintaining scalable backend services and user-facing applications using Google Cloud Platform. Candidates should have strong skills in programming languag ...

Engineering Manager Lead Impactful Tech & Teams

A leading insurance startup in the UK is seeking a Software Engineering Manager to lead engineering teams across various projects. You will collaborate with cross-functional teams, mentor engineers, and influence key product decisions. The ideal candidate has at least 3 years of software engineering experience, ...

Senior Python Web Engineer (Django/Flask/FastAPI)

Low Carbon Contracts Company is seeking a Senior Software Engineer to deliver critical systems for achieving Net Zero by 2050. The role focuses on Python and JavaScript/TypeScript development within a collaborative team. You'll lead design efforts, mentor engineers, and ensure high code quality. Additionally, th ...

Software Engineer (NodeJS/TypeScript) for Trading Systems

Harrington Starr is seeking an experienced Software Engineer specialized in NodeJS and TypeScript to join their innovative Digital Currency Investment Platform team in London. This role offers an exciting opportunity to work on cutting-edge trading systems and analytics, contributing within a small, specialized ...

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    Fullstack Javascript Developer Reactnode Hybrid Jobs in United Kingdom Job Search Guide, Trends and Insights