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    Growth Optimization Lead: Subscriptions & Retention

    A leading audio streaming service is seeking a Lead, User Growth Optimization to enhance their conversion strategy. In this impactful role, you will focus on user subscriptions and retention by driving conversion optimization initiatives. Responsibilities include developing A/B experiments, utilizing JavaScript, ...

    Senior Tech Lead & Systems Architect

    A leading tech company in Greater London is seeking a principal engineer to lead engineering projects while maintaining hands-on involvement. The ideal candidate has over 15 years of experience in building complex web applications, including expert knowledge in PHP and modern JavaScript frameworks. This role off ...

    Go Backend Engineer – AI Driven FinTech, Flexible Remote

    A forward-thinking FinTech firm in London seeks a Software Engineer (Go) to develop high-performance back-end services supporting financial applications. The ideal candidate will have strong AI integration skills, proficiency in JavaScript and experience with modern development tools. Benefits include 38 days of ...

    Senior .NET Engineer — Lead, Build & Mentor (Remote Ready)

    A tech company in the UK is seeking a Senior .NET Engineer to lead software quality and vision for clients. You will tackle large-scale projects, mentor junior developers, and collaborate in a dynamic team environment. Ideal candidates should have strong skills in .NET, JavaScript, TypeScript, and extensive expe ...

    Senior SDET: Remote API & Data QA Architect

    A progressive healthcare technology company based in the UK is seeking an experienced SDET to champion test automation practices. The role involves creating automated testing frameworks, conducting code reviews, and influencing the development of testing strategies. Ideal candidates will have extensive experienc ...

    Remote Full Stack Engineer — AI Powered Markets Platform

    A leading sports betting platform in Greater London is seeking a Full Stack Software Engineer to design and maintain web applications that allow users to engage with prediction markets. You will work on scalable features using React, Next.js, and JavaScript/TypeScript while leveraging AI tools for development. T ...

    Senior Java Spring Boot Consultant | Microservices & REST

    A leading technology solutions provider in Belfast is seeking a Senior Consultant. The role requires efficient Java Spring Boot development and collaboration on projects using Agile methodologies. Applicants should have at least 5 years of experience in IT, strong skills in Angular, JavaScript, and REST APIs. Th ...

    Principal Engineer

    Scalers HQ are proud to be partnering with an innovative and fast growing Media organisation in London. We are looking for a Principal JavaScript Engineer/Team Lead to join their collaborative tech team. You'll play a key role in delivering cutting-edge AdTech analytics solutions, reporting directly ...

    Ecology Data Leader: Digital Tools & Automation (Hybrid)

    SLR CONSULTING is seeking a Principal/Technical Director Ecology Data Manager to join their growing team in Southampton. The role involves driving automation and innovation in ecological workflows, including developing digital tools and systems. Candidates should have strong experience in ecology and environment ...

    Senior Data Scientist — Time Series & AI Systems (Java/JS)

    Java Script Works is looking for a Data Scientist / Senior Data Scientist to join their team in Greater London. The ideal candidate should have strong experience with JavaScript and Java, along with familiarity in time series and dynamical systems. This full-time role offers a competitive compensation package. T ...

    Lead Software Engineer — AI‑Driven Full‑Stack (JS/Java/Python)

    Java Script Works is seeking a Lead Software Engineer to join their team in Greater London. The ideal candidate should have extensive experience writing production-quality code in various languages including JavaScript, Python, and Java, as well as proficiency in leveraging AI tools for development tasks. This f ...

    Remote AI Systems Engineer — Backend & Orchestration

    Outlier AI is seeking a backend engineer to enhance AI agents through human feedback in Woodthorpe, UK. The role demands over 2 years of experience in backend engineering or AI automation and proficiency in languages like Python or JavaScript. Responsibilities include building production-grade software and addre ...

    Principal Front End Engineer: React & TS

    Java Script Works is seeking a Principal Front-End Engineer based in Newcastle upon Tyne. This role focuses on leading the development of high-quality UI components using React and TypeScript, while collaborating with designers and backend engineers. Your technical expertise will be crucial in shaping ...

    Shopify Platform & Integrations Engineer

    Hallmark Cards in Bradford seeks an eCommerce Platform & Integration Engineer to develop and optimize their eCommerce platforms. This role involves enhancing the Shopify ecosystem, building integrations, and expanding into new sales channels. Candidates should possess strong Shopify development experience, knowl ...

    Senior Consulting Engineer Cloud & Architecture Expert

    Java Script Works is seeking a Senior Consulting Engineer to work in London, United Kingdom. The role involves collaborating with a team, engaging in pair programming, and applying strong architectural principles. This position requires proficiency in multiple programming languages, including Java, Python, Node. ...

    Lead Audio Software Product Manager

    Java Script Works is seeking an Engineering Product Manager based in Greater London, United Kingdom. The ideal candidate will have a strong background in audio software development and experience with C++, JUCE, JavaScript, and Python. This role demands successful technical leadership and product management expe ...

    Senior Cloud Native Full Stack Engineer (Azure, React/Java)

    Charles River Development, based in Greater London, is seeking a full-stack, cloud-native engineer to enhance their Enhanced OTC Module. You will work with Java, C#, SQL, and modern JavaScript frameworks while mentoring junior engineers. A degree in a related field is required, along with 8-10 years of software ...

    Senior Frontend Engineer: Angular & AI Driven UI Innovator

    ClickUp is seeking a Front-End Engineer to join their team in Greater London. The role involves building features in Angular 2+, collaborating with backend and integration teams, and ensuring code quality through tests. Candidates should have over 5 years of experience with JavaScript and frameworks like Angular ...

    Lead React Native Engineer — Front End & Mobile Apps

    JPMorgan Chase & Co. is seeking a Lead Software Engineer - Front-End Engineer to join their Personal Investing team in the UK. You will be responsible for delivering end-to-end solutions with a focus on cloud-native microservices. The ideal candidate will have strong skills in JavaScript and TypeScript, experien ...

    Senior Software Engineer (Associate) Full Stack React/AWS

    Java Script Works is seeking a Senior Software Engineer (Associate) to work in London, United Kingdom. This full-time position offers competitive compensation and opportunities to work with modern technologies such as C#, .NET core, and React.js. Ideal candidates will possess strong technical abilities ...

    Senior Software Engineer — Web Apps & .NET Mastery

    Norstella is seeking a Mid to Senior Software Engineer in London to focus on building and maintaining web-based products. The ideal candidate should have strong technical skills, particularly in C#, HTML, and JavaScript, and be capable of translating business requirements into working software. Responsibilities ...

    Staff AI Driven Full Stack Engineer

    Agoda is seeking a Staff Full Stack Engineer to design and build AI-driven chat experiences from their Bangkok HQ. The role requires 8+ years of software engineering experience, expertise in Java, Kotlin, .NET, and JavaScript/TypeScript. You will lead full-stack architecture for user-centric solutions and mentor ...

    Staff Software Engineer Cloud Web Apps TypeScript/Angular

    LGBT Great in Edinburgh seeks a skilled software engineer to design, develop, and deliver cloud-based web applications. The role involves collaboration within an agile engineering team, requiring proficiency in modern frameworks like TypeScript, JavaScript, and Angular, along with a solid foundation in C#/.NET. ...

    Remote Test Engineer: Automation & API

    Zaizi is seeking a Test Engineer passionate about technology for a remote role. You will collaborate closely with clients and cross-functional teams to design and build automation frameworks. Key requirements include strong knowledge of Selenium, programming skills in Java, JavaScript, or Python, and excellent c ...

    Automation QA Engineer – CI/CD & FinTech Testing

    NatWest Group is hiring a Quality Automation Specialist in Bristol. In this role, you'll enhance automated testing activities, supporting teams to deliver quality solutions in an Agile environment. Your responsibilities include designing automation strategies, collaborating with cross-domain teams, and ensuring ...

    Proactive AI Implementation Engineer Lead Deployments

    NiCE is seeking a Professional Service Implementation Engineer in Greater London to spearhead key projects for their clients' success. The role involves configuring Proactive AI products, collaborating with various teams, documenting application integrations, and mentoring junior staff. Successful candidates wil ...

    Remote Backend Engineer Communications Platform

    Phorest Software in Leatherhead is looking for a Mid-level Software BackEnd Engineer to join our Communications team. You'll help shape our multi-tenant SAAS platform that impacts millions globally. The role requires strong Java skills, with knowledge of JavaScript and RESTful APIs being essential. Enjoy benefit ...

    Lead React/UI Engineer Build Scalable, Secure UIs

    JPMorganChase is looking for a Lead Software Engineer based in Glasgow. In this role, you will be part of an agile team responsible for developing trusted market products. You will execute creative software solutions, develop high-quality code, and lead evaluation sessions. Candidates should possess hands-on exp ...

    Engineering Manager Lead Cloud CX Platform Teams

    A leading cloud technology company in Bracknell is seeking a Software Engineering Manager to lead teams in delivering high-quality software solutions. The role involves managing a development team, overseeing software delivery, and ensuring technical quality. Ideal candidates possess a strong background in softw ...

    ServiceNow Experience Solutions Specialist

    Capgemini is seeking a ServiceNow Platform Implementation Solution Specialist in Greater London. This role involves developing and integrating ServiceNow solutions to enhance the customer, technology, and employee experiences. Responsibilities include designing workflow applications, creating modern user interfa ...

    Frontend Engineer – AI 3D Web Apps (Abu Dhabi)

    ai71 is seeking a Frontend Engineer to design and enhance user interfaces for AI-powered applications in Greater London. This role involves close collaboration with backend engineers to develop interactive web applications using modern frameworks like React or Angular. Candidates should have at least 3 years of ...

    Streaming Solutions Engineer (Customer Facing)

    Via Licensing Corporation is seeking a candidate for a role focused on streaming technology. The ideal applicant will have 2-3 years of relevant experience, a foundational understanding of the video streaming industry, and proficiency in languages such as JavaScript, React, or Swift. This position invo ...

    Remote Generative AI Engineer Multi Agent Orchestration

    Outlier AI is looking for skilled professionals in backend engineering and AI automation to enhance autonomous agent training. This role requires a minimum of 2 years of experience in complex systems integration and proficiency in languages such as Python, JavaScript, or Go. Ideal candidates will have experience ...

    Senior Automation Engineer – Full Stack API & UI Testing

    Java Script Works in Northampton is looking for skilled individuals with experience in designing and implementing test automation frameworks for both front-end and back-end applications. Candidates should be proficient in Java and JavaScript, with experience in API and integration testing. The ideal ap ...

    Client Facing Technical Consultant: Cloud, AI & Automation

    Verelogic is seeking a Technical Consultant to join their team in Swindon, UK. The role involves delivering a range of client projects from discovery to implementation while ensuring ongoing service delivery. The ideal candidate has a minimum of 2 years' experience in backend engineering, strong profic ...

    Senior TypeScript Backend Engineer – Hybrid London

    The BBC is seeking a Senior Software Engineer to join the Audio Mobile Business Layer team in London, working hybridly. In this role, you'll develop REST APIs using TypeScript and lead the migration to a new framework. The position offers training opportunities, a healthy work-life balance, and the chance to wor ...

    Software Engineer Galileo Platform: Cloud & Web Innovator

    Java Script Works in Cambridge, United Kingdom is looking for a Software Engineer specialized in the Galileo Platform. Candidates should have hands-on experience with cloud-hosted systems, particularly Azure and AWS, and a strong foundation in JavaScript, HTML, and CSS. The role offers competitive comp ...

    Application Engineer: Image & Signal Processing

    Java Script Works is seeking an Application Engineer based in Cambridge, United Kingdom. This full-time role requires a Bachelor's degree in Computer Science or equivalent experience. Candidates should possess strong programming skills in MATLAB, Python, JavaScript, and C++, along with expertise in developing ...

    PDRA: Advanced Computational Structural Biology

    Java Script Works is seeking a Postdoctoral Research Associate (PDRA) in Computing for Integrated Structural Biology located in Southampton, United Kingdom. The role requires proficiency in programming languages like C++ and Python, as well as JavaScript. Ideal candidates will have experience in structural biolo ...

    London Engineering Manager Frontend & Scale Leader

    Java Script Works is seeking an Engineering Manager based in London, United Kingdom. This full-time role requires a leader with strong expertise in Node.js, React, JavaScript, Next.js, and TypeScript. The candidate should have experience managing engineering teams and ensuring best coding practices. While the co ...

    Head of Integrations & Cloud Architecture

    Java Script Works in Cambridge, United Kingdom is seeking a Head of Integrations to lead integrations and full-stack development. The ideal candidate will have extensive experience in Cloud Architecture and demonstrate strong skills in JavaScript, Node.js, and Python. This full-time role requires excel ...

    IT Data & Process Analyst Intern — 12 Month Placement

    Eligo Recruitment Ltd is seeking an IT or Engineering intern for a 12-month placement. The role involves implementing and improving software processes for a global manufacturing organization. Candidates should have some knowledge of Google Cloud Platform and scripting languages like JavaScript or HTML. This offi ...

    Remote Agentic AI Engineer — Build Proactive AI Agents

    Outlier AI is looking for a Backend Engineer to shape the future of autonomous agents. The ideal candidate will have over 2 years of experience in backend engineering or AI automation, proficient in multiple programming languages such as Python and JavaScript, and experience with SQL databases. The role involves ...

    Cloud Contact Center Engineer (JS/Python)

    Java Script Works is seeking an Amazon Connect Engineer based in Glasgow, United Kingdom. The ideal candidate should have strong attention to detail, good communication skills, and teamwork abilities. Experience with scripting languages like Python and JavaScript is preferred, along with skills in performance an ...

    Remote AI Agent Orchestrator

    Outlier AI is seeking a skilled engineer to improve AI agents through human feedback. This role will involve backend engineering and complex systems integration, focusing on building and maintaining production-grade software. Ideal candidates will have at least 2 years of experience, proficiency in major program ...

    Tech Lead: Software Engineer — Hamiltonian Dynamics

    Java Script Works, located in Gloucester, is seeking an experienced Software Engineer with team lead experience to join their expanding technology team. This role offers an exciting opportunity for growth and development within the organization, and it comes with a competitive salary for the right candidate. Ide ...

    ML Software Engineer (Python/React) – Contract, London

    Java Script Works is seeking a Machine Learning Software Engineer for a contract role based in London, United Kingdom. The candidate should have a Bachelor's degree in Computer Science or a related field and possess backend experience in Python, as well as frontend skills in JavaScript and React. This position i ...

    Front End Engineer: React + Remix UI Specialist

    Java Script Works is seeking a proactive individual for a position focused on creating responsive and user-friendly web applications. The ideal candidate will thrive in designing and implementing front-end solutions utilizing technologies such as React, TypeScript/JavaScript, CSS, and Tailwind. Familiarity with ...

    Senior Frontend Engineer: Own Features, Lead & Build

    Traveltechessentialist is looking for a Frontend Software Engineer to take real ownership of feature lifecycles and drive technical decisions that impact customers. The ideal candidate has mastery in JavaScript, TypeScript, CSS, and experience with modern frameworks like React. This role requires collaboration i ...

    Senior Software Engineer, Cloud Web Apps (Java/JS)

    Elsevier in Greater London is seeking a Software Engineer III to contribute to the development of ScienceDirect's cloud-hosted web applications. This role entails designing, developing, and deploying applications while collaborating with product teams. Candidates should be proficient in Java, Spring, and JavaScr ...

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