• United Kingdom Jobs Expertini profile avatar

    • 1,775,397+ Full Stack Tech Lead Node Js React Java Script Jobs in UK — Top Companies Hiring June 2026

    Professional job seekers finding United Kingdom jobs through Expertini
    750,000+ professionals on Expertini 750,000+ Candidates
    Join our global community
    Explore Leading Employers
    High-Paying Careers
    Expertini Penguin Mascot Resume Score™
    Resume Score™ Instantly
    Upload Your CV
    Quick 30-second process

    Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

    1. Expertini
    2. United Kingdom
    3. Jobs
    4. Full Stack Tech Lead Node Js React Java Script Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Backend Engineer for AI Powered SaaS

    A fast-growing AI company in London is seeking a Back-End Developer to design and maintain systems for their innovative AI-powered products. You will collaborate with senior engineers and data scientists, optimize performance, and contribute to system enhancements. Ideal candidates will have 3-5 years of back-en ...

    Senior Software Engineer, Scale — Fintech Platform

    Airwallex, a global payments platform, seeks an experienced Software Engineer to join our team in Greater London. You'll design and maintain our embedded finance infrastructure, collaborate across departments, and impact how businesses use our services. We're looking for someone with 5+ years in Java/Spring Boot ...

    Senior Software Engineer Risk Platform & VaR Analytics

    A leading trading firm in Greater London is seeking a Senior Software Engineer to join their Unified Platform - Risk team. The ideal candidate will possess strong programming skills, particularly in languages like Python or Java, and a good understanding of financial concepts like VaR. Responsibilities include d ...

    Senior Android Engineer Digital Identity & Fintech

    A leading financial services firm is seeking a Software Engineer III - Android to focus on creating customer-centric products. You will be responsible for developing and delivering product features, collaborating with cross-functional teams, and ensuring high-quality code. The ideal candidate will have advanced ...

    Senior Front Office Developer, Crypto HFT & Trading Systems

    A boutique alternative asset manager in Greater London is looking for a Front-Office Developer specializing in high-frequency trading for cryptocurrencies. The successful candidate will design and implement trading algorithms and work closely with quantitative teams. A strong background in high-performance Java ...

    Streaming Architect: Kafka, Confluent & Cloud Platforms

    A technology consulting firm is seeking a Confluent Solution Architect based in Canary Wharf, London. The role involves designing and architecting enterprise-grade streaming solutions using Apache Kafka and the Confluent Platform. Candidates should possess over 8 years of experience in Kafka, strong skills in Ja ...

    Senior GenAI Platform Engineer

    A global information provider is seeking a Senior Software Engineer II to drive architectural decisions and develop generative AI services. The ideal candidate should have over 5 years of software engineering experience, deep expertise in Python or Java, and strong experience with Kubernetes. Responsible for des ...

    Crypto ML Scientist & LLM Engineer

    Unchain Data is seeking a skilled Machine Learning Engineer to optimize ML systems and enhance AI capabilities. The role involves consulting on objectives, designing self-running systems, and analyzing data to improve predictive accuracy. Ideal candidates will possess a Bachelor's in a relevant field a ...

    Senior Software Engineer Conversational AI in Healthcare

    A healthcare technology company in Birmingham is looking for a Senior Software Engineer to enhance their innovative conversational agent platform. The role involves designing and implementing scalable solutions, collaborating with cross-functional teams, and mentoring junior engineers. The ideal candidate has ov ...

    Senior Software Engineer, Unified Trade Platform & Orders

    DRW in London is looking for a Senior Software Engineer for their Unified Platform, focusing on trade management and order processing. This role involves building reliable and scalable systems, engaging in both legacy and green-field development, and promoting new technologies. Candidates should have e ...

    Lead Solutions Architect – Connected Mobility & Data

    Toyota Connected Europe in Greater London is seeking a Solution Architect to join their engineering team. The role involves delivering solutions across various initiatives in driver apps and data integration. Responsibilities include designing secure systems, collaborating with stakeholders, and documenting arch ...

    Senior Software Engineer FX Trading Platforms

    A global financial services provider is seeking a Senior Software Engineer to enhance electronic FX trading solutions. In this role, you will leverage your Java expertise and work in a collaborative environment to deliver robust systems that meet business needs. You will contribute to solution design, guide engi ...

    Graduate Salesforce Consultant: Build Elegant Solutions

    A technology consulting firm is seeking a Graduate Salesforce Consultant to join their Salesforce development team in Manchester. This position offers exciting career growth with responsibilities in designing and developing innovative Salesforce solutions. Ideal candidates will have a degree in IT or Computer Sc ...

    VP of Low Latency EMS/SOR Trading Architecture

    A leading digital assets firm in Greater London is seeking an experienced EMS / SOR Developer to design and implement a low-latency trading system. The role demands strong Java programming skills, extensive experience developing routing strategies, and a solid understanding of algorithmic trading environments. R ...

    Senior Software Engineer — FinTech Payments & Banking Integrations

    A leading fintech company in Greater London is looking for a Software Engineer to drive the development of payment technologies. In this role, you'll integrate new bank APIs and work on a variety of challenges in crypto and fintech. Ideal candidates should have a strong knowledge of Java and enterprise software, ...

    Cloud SRE & Observability Architect (OpenTelemetry)

    A global technology company in the UK seeks an architect for their Observability Centre of Excellence. The role involves leading the implementation of OpenTelemetry, developing automation scripts with Terraform, and ensuring platform performance optimization. Candidates should have extensive experience with obse ...

    QA Automation Engineer — AI‑Driven Apps, Onsite Lisbon

    A technology-driven organization based in Lisbon is searching for a QA Automation Engineer to design and maintain automated test frameworks for web and mobile applications. The ideal candidate should have over 3 years of experience in test automation, proficiency in frameworks such as Selenium and Cypress, and s ...

    Senior Software Engineer FX Trading Platforms

    Macquarie Bank Limited is seeking a Senior Software Engineer to join their eFX Digital Technology team in London. This role involves designing and enhancing electronic FX trading solutions in a dynamic environment, collaborating with various stakeholders and technical teams. The ideal candidate holds e ...

    Automation Test Engineer – Defence (Hybrid Cloud & AI)

    A global technology company is looking for an Automation Test Specialist to join their team in Southampton, England. This role involves designing automated test scripts, collaborating with cross-functional teams, and analyzing test results to enhance software quality. Candidates should possess a bachelor’s degre ...

    Senior Palantir Engineer: Scalable Data Solutions Lead

    A leading technology firm in Budock Water is seeking a Senior Palantir Engineer to design and develop data processing software for large-scale solutions. The ideal candidate will have strong experience in Java, Scala, or Python, and familiarity with data-processing platforms like AWS and Azure. This role emphasi ...

    Senior Software Engineer Security Cleared, Secure Cloud Native

    A leading digital products company in the UK is looking for Senior and Principal Engineers to design secure, scalable software in agile teams. Applicants must hold active or recently active SC or DV clearance and possess strong experience in delivering production systems. Proficiency in modern programming langua ...

    DV Cleared Data Science Engineer Cloud & ML

    A prominent technology recruitment company is seeking a Data Science Engineer to support a major public sector programme in London or Manchester. The role involves designing and maintaining scalable data processing systems, collaborating with multidisciplinary teams, and requires DV Clearance. Candidates should ...

    Fintech Software Engineer – Payments & Cloud

    Edenred Italia S.r.l. seeks a Software Engineer for its London office, focusing on the design and implementation of innovative payment solutions. You will be part of a collaborative team working under Edenred PayTech, a leading fintech company managing over €100 billion in global payments. Ideal candidates will ...

    Staff Backend Engineer — Remote, Impactful FinTech Systems

    A leading UK bank is seeking a Staff Engineer to join their dynamic team. In this role, you will collaborate with various teams to enhance the backend of their innovative financial services. The ideal candidate will have experience with distributed systems and strong knowledge of programming languages like Go an ...

    Senior Staff Backend & Data Engineer FinTech (Relocation)

    Agoda is looking for an experienced backend engineer in Greater London, UK to architect and maintain scalable systems fundamental to our FinTech solutions. The ideal candidate has over 8 years of experience in software development, particularly in Java, Kotlin, Scala, or C#, with expertise in big data and real-t ...

    Cyber Software Vulnerability Engineer (DV Cleared) – Manchester

    A leading cybersecurity company in Manchester is looking for a Cyber Software Vulnerability Engineer. You will analyze and reverse engineer software to uncover vulnerabilities and improve security in a collaborative Agile environment. Proficiency in languages like C, C++, or Java, along with a good understanding ...

    Security‑Focused Data Engineer for Intelligence Analytics

    Envitia is seeking a Data Engineer to join their Security and Intelligence team in Cheltenham. The successful candidate will design and maintain secure, scalable data platforms and pipelines, facilitate advanced analytics, and collaborate with multi-disciplinary teams. This role requires experience in data engin ...

    Senior AdTech Backend Engineer: Real Time, Scalable

    Depop Limited is seeking a Senior Backend Engineer to join our AdTech team in Greater London. You will help design and build scalable systems for advertising and monetization, ensuring real-time decision making. The ideal candidate has experience with backend languages like Scala or Java, and familiari ...

    Low Latency Algo Dev EMS/OMS & SOR Engineer (Hybrid)

    Harrington Starr is seeking an experienced Algo Developer to join their London engineering team. This role focuses on designing and building a low-latency, high-throughput trading system within the digital asset space. Ideal candidates will have over 8 years of Java experience with a proven record in execution a ...

    Security Engineer, Amazon Security Automation in London Amazon UK Services Ltd.

    Security Engineer, Amazon Security Automation Amazon UK Services Ltd. London, UnitedKingdom Requirements Knowledge of computer science or equivalent Knowledge of networking protocols such as DNS and TCP/IP Experience programming in Python, Ruby, Go, ...

    Cloud DevOps Engineer CI/CD & Automation Leader

    A leading technology firm in Greater London is looking for a DevOps Engineer responsible for integrating project functions across the product life cycle. The ideal candidate should have strong skills in Linux-based infrastructure, Ruby, Python, Perl, and Java. Knowledge of database management, automation tools, ...

    Senior Quant Risk Manager – Margin Models & Risk IT Lead

    London Stock Exchange Group is seeking a Manager for their Quant Risk Management team. This role involves implementing market data and risk-related projects, developing front-end IT tools, and analyzing existing models to improve performance. Candidates should have a degree and over 5 years of experience in the ...

    Crypto Quant Developer: High Frequency Trading & AI

    A global leader in digital assets is looking for a highly skilled Quantitative Developer for their Crypto trading desk. In this role, you will work closely with traders and quantitative analysts to design and optimize trading algorithms and models. The ideal candidate will have strong programming skills in Java ...

    HFT Quantitative Developer Graduate – Onsite London

    Queueco in Greater London is searching for a bright graduate to join as a quantitative developer focused on High-Frequency Trading. The role involves working with traders and researchers to understand market data and develop low-latency solutions. A Bachelor’s or Master's degree in a relevant field is required, ...

    Cloud Software Engineer Build Scalable AI Systems

    Amazon is looking for a Software Development Engineer I to work in Edinburgh, UK. This role involves designing and building scalable services, contributing to innovative products, and participating in code reviews. Candidates should be enrolled in or have completed a degree in a relevant field and have experienc ...

    Senior Software Engineer Lead – Scalable Backend & Cloud

    A technology company is seeking a Manager of Software Engineering in London, responsible for architecting scalable backend systems and leading complex projects. The ideal candidate has over 7 years of software engineering experience, with strong expertise in Golang or Java and AWS. This hands-on role requires te ...

    Enterprise Solutions Engineer: GenAI & AI Apps

    A leading AI company is seeking individuals to partner closely with clients, delivering tailored AI solutions and demonstrating expertise in Generative AI applications. Strong engineering background, especially in Python and Java, is essential. Ideal candidates should have experience in technical client engageme ...

    Senior Backend Engineer – Identity & Access (OAuth/OIDC)

    Ripple is looking for a Senior Software Engineer to join our Authentication & Authorisation team in London, UK. You’ll own the identity platform design and delivery, focusing on authentication flows, IdP integrations, and more. The ideal candidate will have significant backend engineering experience in ...

    Backend Engineer Monetization & Pricing Platforms

    Miro is seeking a passionate Backend Engineer for its Monetization team in Greater London. This role involves designing and maintaining backend services that support pricing and monetization, requiring over 5 years of backend engineering experience, preferably with Java or Kotlin. The candidate will work on exci ...

    Dev Productivity Engineer — Accelerate Engineering Velocity

    Palantir, located in London, is hiring a Software Engineer to enhance developer productivity. This role involves building software at scale to support various engineering activities and improve workflows. Candidates should have over 2 years of software engineering experience and be proficient in languages like J ...

    Senior Backend Platform Engineer London (Hybrid)

    A technology company is seeking a backend engineer to design and maintain production-grade services. The ideal candidate will have significant experience in backend engineering, particularly with Java, Go, or Python, and strong understanding of AWS. This role offers a hybrid work model based out of the London of ...

    Senior Android Engineer Remote friendly, Africa scale impact

    A dynamic renewable energy company seeks a Senior Android Engineer to join their team in Sheffield. You'll develop and maintain mobile applications vital for transforming energy access in Africa. The role involves building robust offline-first functionalities and integrating with backend systems. Candidates shou ...

    Software Engineer Govt Ready, TDD & Pairing

    Opencast | B Corp™ is seeking Software Developers in Newcastle upon Tyne who are passionate about building robust products. Applicants must have expertise in Java or Scala and hold a valid Security Check (SC) Clearance or be eligible for it. The role involves collaboration with team members, delivering user stor ...

    Site Reliability Engineer – Cloud Native & Resilient Systems

    A leading fintech company in London is seeking a Site Reliability Engineer to ensure the reliability and scalability of their production infrastructure. You will work closely with product engineering teams and have the opportunity to influence the global financial landscape while tackling complex challenges. The ...

    Backend Infrastructure Engineer: Scale & Secure Systems

    A leading software company in Greater London seeks a Backend Software Engineer to build scalable and performant systems, tackling real-world problems with innovative solutions. The role involves collaborating across teams and working autonomously to create APIs and systems that support impactful products. Candid ...

    VP, Low Latency Algo Trading Systems

    Citigroup Inc. is seeking a Software Engineer to join the Equities Electronic-Execution technology team in London. You'll design and deliver next-generation low-latency execution platforms including Algorithmic Trading and Smart Order Routing. Candidates should have strong knowledge in Java, C++, or Rust, along ...

    Senior Backend Engineer Distributed Data Platform

    A leading data and AI company in London is seeking an experienced Software Engineer to enhance their Lakehouse Platform. The role focuses on building reliable and secure services for data storage and access, requiring 8+ years of experience in Java, Scala, C++, or similar. Candidates should possess a BS in Compu ...

    Forward Deployed Infra Engineer for Scalable Systems

    A leading technology company is seeking a Forward Deployed Infrastructure Engineer to develop and maintain high-performance services for its platforms. This role involves deploying new products, troubleshooting complex systems, and automating operations. The ideal candidate will have a strong engineering backgro ...

    Impact Focused FDSE: Field Embedded Data Solutions

    A leading data analytics company in Greater London is seeking a Forward Deployed Software Engineer. You will work closely with customers to tackle critical challenges, utilizing advanced technology and large-scale data. Candidates should possess a strong engineering background, be proficient in languages like Py ...

    Cloud Native Software Engineer — CI/CD & Security

    A leading consulting firm in Leeds is seeking talented software engineers to develop traditional and serverless applications in an agile environment. Candidates should have experience in Java, Typescript, C#, Python, or Go, and familiarity with cloud technologies such as AWS or Azure. The position offers a compe ...

    🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

    Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

    To-Do Planner

    Organize your job search and personal tasks. All data is confidential.

    Open Planner →

    Wellbeing Center

    Access your confidential wellness report and resources to manage job search stress.

    Check Wellbeing →

    Skill Coach

    Plan your skill development with O*NET support to stay competitive in your field.

    Start Coaching →

    Outfit Helper

    Get AI-powered suggestions on what to wear for your next interview.

    Find Outfit →

    Income Tax Calculator

    Plan your finances with our calculator, updated for 2025 tax regulations.

    Calculate Tax →

    Salary Benchmark

    Get accurate, AI-supported salary trends to know your worth and negotiate better.

    Check Salaries →

    Interview Practice

    Practice for any interview with AI-enabled Q&A sessions. All data is private.

    Start Practicing →

    Interview Predictor

    Use our AI-supported tool to predict potential interview questions based on your resume.

    Predict Questions →

    Interview Practice Timer

    Use our mock interview trainer to perfect your answers under timed conditions.

    Start Timer →

    Behavioral Mastery

    Ace tricky behavioral interviews with our AI-powered practice module.

    Master Answers →

    Question Journal

    Confidentially record interview questions you were asked for future reference.

    Open Journal →

    Interview Ace

    A comprehensive tool to help you master every aspect of your interviews.

    Become an Ace →

    Q&A Logs

    Confidentially track your answers to common questions and refine them over time.

    View Logs →

    Application Planner

    Schedule and organize your job applications in one confidential planner.

    Open Planner →

    Cover Letter Tool

    Create perfect, tailored cover letters for each application with AI support.

    Generate Letter →

    Resume Score

    Get instant feedback on your resume with our NLP-supported analysis tool.

    Check My Score →

    ATS Score

    Check your resume's compatibility with Applicant Tracking Systems (ATS).

    Check ATS Score →

    Application Analyzer

    Use AI to analyze job descriptions and optimize your application materials.

    Analyze Application →

    Career Visualizer

    Confidentially plan and visualize your long-term career path and goals.

    Visualize My Career →

    Offer Genius

    Get intelligent insights and strategies to confidently negotiate job offers.

    Negotiate Offers →

    JobFlow

    Track your entire job search progress from application to offer with this intelligent tool.

    Track My Flow →

    JobSense

    Our intelligent matching engine that provides smart job recommendations.

    Get Smart Matches →

    Networking Toolkit

    Tools to build and manage your professional connections. All data is confidential.

    Build Network →

    Professional CV

    A classic, O*NET supported template for corporate and professional roles.

    Use This Template →

    Executive CV

    A premium, O*NET supported template designed for senior and C-level positions.

    Use This Template →

    Modern CV

    A fresh, stylish, O*NET supported template perfect for tech and modern industries.

    Use This Template →

    Creative CV

    A visually distinct, O*NET supported template for design and artistic roles.

    Use This Template →

    Minimalist CV

    A clean, simple, O*NET supported template that focuses purely on content.

    Use This Template →

    Europass CV

    The standard European Union recommended format for wide compatibility.

    Use This Template →

    Student CV

    An institution-recommended template perfect for internships and first jobs.

    Use This Template →

    Graduate CV

    An institution-recommended template for recent graduates entering the workforce.

    Use This Template →

    Academic CV

    The researcher-recommended format for roles in academia and research.

    Use This Template →

    Developer/IT CV

    A tech-savvy recommended template to highlight your technical skills.

    Use This Template →

    Skilled Worker CV

    A trades-recommended template to showcase hands-on skills and experience.

    Use This Template →

    Monochrome CV

    A sleek, black-and-white, O*NET supported template for a professional look.

    Use This Template →

    Art CV

    An artist-recommended template that allows your creativity to shine.

    Use This Template →

    Harvard CV

    A researcher-recommended template based on the classic Harvard format.

    Use This Template →

    Volunteer Research

    Help us improve our platform by joining our community research program.

    Join Research →

    Review Us

    Share your experience with our tools to help other job seekers.

    Share Experience →

    Register

    Create your free account to save jobs, build your profile, and track applications.

    Create Account →

    Login

    Access your dashboard, manage applications, and continue your job search.

    Access Your Account →

    Profile Builder

    Create a comprehensive professional profile that attracts recruiters and showcases your skills.

    Build Your Profile →

    View Profile

    See your public profile exactly as employers will see it. Make sure it's perfect.

    Preview Profile →

    Bookmarked Jobs

    Keep track of all your saved job opportunities in one organized place.

    View Saved Jobs →

    Your Reviews

    View and manage all the company reviews you've submitted.

    See Your Reviews →

    Following

    Manage the list of companies you follow to stay updated on their new openings.

    Manage Following →

    Find Companies

    Discover and research top employers in your country and industry.

    Discover Employers →

    Standalone CV Builder

    Use our O*NET supported CV builder to create a professional resume from scratch.

    Build Your CV →

    PDF to DOC (Beta)

    Convert your PDF resumes or documents into editable Word (DOC) format.

    Convert PDF →

    DOC to PDF (Beta)

    Create universally compatible PDF documents from your Word (DOC) files.

    Create PDF →

    General FAQ

    Find answers to common questions about our job site and platform.

    Read FAQ →

    Job Seekers FAQ

    Get help and find answers to questions specifically for job seekers.

    Get Help →

    Job Matching

    Learn about the technology and algorithms behind how we match you to jobs.

    Learn How →

    Personalized Matching

    Discover how we use your profile and activity to provide customized job suggestions.

    Learn More →

    Quick Apply

    Understand our fast application process and how to make the most of it.

    Learn More →

    Alert Frequency

    Learn how to manage your job alert settings so you get the updates you want.

    Manage Settings →

    Job Alerts Guide

    A complete guide to understanding how job alerts work and how to use them effectively.

    Read Guide →

    Resume Matching

    Learn how our system matches your resume to job requirements.

    Learn More →

    Ethical Branding

    Read our guide to building a professional and ethical personal brand.

    Read Guide →

    Candidate Visibility

    Learn how to increase your visibility to recruiters on our platform.

    Increase Visibility →

    Verified Badge

    Find out how you can get a verified badge to build trust with employers.

    Get Verified →

    AI ATS Technology

    Learn about the advanced AI and ATS technology that powers our platform.

    Learn More →

    ATS Ranking

    Understand how Applicant Tracking Systems rank you as an applicant.

    Learn More →

    Semantic Matching

    Learn how our AI-powered semantic matching goes beyond keywords.

    Learn More →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

      Buffering Video...

      Full Stack Tech Lead Node Js React Java Script Jobs in United Kingdom Job Search Guide, Trends and Insights