• United Kingdom Jobs Expertini profile avatar

    • Senior Lead Fullstack Engineer React Java Python Aiml Jobs in UK

    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. Senior Lead Fullstack Engineer React Java Python Aiml Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Full stack Software Engineer

    Job DescriptionWe’re looking for Full Stack Software Engineer with strong TypeScript and mobile development skills to join our fully remote team. You’ll lead the charge on building high-impact, scalable mobile applications, collaborating with a global team of engineers, and working within a modern, AI- ...

    Senior Support Engineer R10210042

    Overview Join to apply for the Senior Support Engineer - R role at Northrop Grumman UK . UK CITIZENSHIP REQUIRED FOR THIS POSITION: YesRELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: UK-Highest Level of Government ClearanceTRAVEL: ...

    Java Architect in Manchester

    Principal Engineer/Architect (Java, AI) – Greenfield Platform Location: Manchester (hybrid) (4 days a week on site) The role Opportunity to join a greenfield build focused on a next- Corporate Actions platform within a global financial environment. This is a hands‑on Pri ...

    Front End Developer in Manchester Adria Solutions Ltd

    Requirements 2+ years of experience in software engineering Proficiency in React and React Native Experience with front-end testing tools (e.g. Cypress) Familiarity with Agile development methodologies Strong analytical skills Salary £40,0 ...

    Software Engineer

    Overview Full Stack Software Engineer – Java & Springboot Location: Hybrid Remote (occasional travel to client offices depending on base location: London/Glasgow/Newcastle/Manchester). Type: Permanent | Full-Time Sector: Digital Consultancy / Public Sector / Privat ...

    Full Stack Engineer

    Full Stack Developer — Digital Health (Remote, UK) The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have.Who we are? Cowlabs is a multi-product studio. Our team creates s ...

    Full Stack Engineer

    Full Stack Developer — Digital Health (Remote, UK) Who we are? Cowlabs is a multi-product studio. Our team creates successful products from scratch combining technical expertise, business experience, and a rich network of innovators. We build consumer-orie ...

    Full Stack Engineer

    Full Stack Developer — Digital Health (Remote, UK) Who we are? Cowlabs is a multi-product studio. Our team creates successful products from scratch combining technical expertise, business experience, and a rich network of innovators. We build consumer-oriented software products that users ...

    Customer Architect in Manchester Datalex

    Customer Architect Manchester, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble. Tech stack MongoDB JavaScript J2EE PostgreSQL HTML5 REST React JQuery ...

    Software Engineer

    Base pay range: This range is provided by Candour Solutions. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Overview Senior Software Engineer - Leeds I'm currently working with a client looking for a versatile and skilled ...

    Frontend Product Engineer (Full Stack)

    Grow with Treefera We are a first-mile intelligence platform, delivering granular visibility into the point of origin in global ag & soft commodity supply chains - where risk, cost, performance and exposure are set. You’ll join a global, cross-functional team that values rigour, c ...

    Full Stack Engineer

    Feefo helps both consumers and businesses make the right decisions. Founded in 2010, Feefo works with 6,000+ brands worldwide to collect reliable and constructive reviews they can learn from and display. We invite confirmed customers to leave feedback, which results in reliable, fake-free reviews, so consu ...

    Lead Full Stack Engineer (.Net)

    Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for t ...

    Full Stack Engineer for AI Web Apps (React/Next.js)

    An innovative AI solutions provider in Greater London seeks a skilled Full-Stack Engineer with at least 5 years of experience. The ideal candidate should be proficient in building modern web applications using React and Next.js, with backend development expertise in Python preferred. Responsibilities include des ...

    Founding Engineer AI Driven Insurance Platform

    A high-growth startup in London is seeking a Founding Engineer to architect and ship end-to-end systems utilizing Python, TypeScript, Django Ninja, and React. The ideal candidate will have 2–4 years of experience in high-growth environments and a strong understanding of AI workflows. You will play a pivotal role ...

    Founding AI Engineer — Equity, LLM Platform, London

    A pioneering AI startup in London is seeking a Founding AI Engineer to automate competitive intelligence in the pharmaceutical sector. You will design and implement AI systems, collaborating closely with the CTO to drive the product roadmap and develop core LLM orchestration and data pipelines. The ideal candida ...

    Forward Deployed Full Stack AI Engineer

    A leading AI technology firm is looking for a Full Stack Software Engineer (Forward Deployed) to collaborate with public sector teams in building impactful AI applications. The role involves designing architectures, mentoring staff, and ensuring scalable solutions. Ideal candidates will have a Master's or PhD in ...

    Full Stack Engineer for AI Energy Platform (Hybrid UK)

    Hypercube Consulting, a UK-based data and AI startup located in Glasgow, is seeking a full-stack Software Engineer. This role focuses on building and delivering scalable software solutions for the energy sector, collaborating with a talented team, and engaging in community outreach. Ideal candidates will have ex ...

    AI Software Engineer — End to End Product Builder (Hybrid)

    SRG is seeking an AI Software Engineer to join their innovative Electronic Engineering team in Sedgefield. In this hybrid role, you will design and develop software products from concept to production, working closely with hardware engineers. You will need experience in full-stack development, particularly with ...

    Software Engineer II — AI/ML Labs, Growth & Impact

    A global consulting firm is seeking a Software Engineer II to join their London office. You will work within interdisciplinary teams to develop innovative AI and machine learning solutions. The role requires 2-5+ years of experience in software development, a degree in computer science, and a passion for technol ...

    London Full Stack Engineer: End to End Ownership

    A tech startup in Greater London is seeking a Full-Stack Engineer to join their small team. The ideal candidate will own the delivery of product features, write backend logic, and build user interfaces using React. The position requires 3-5 years of experience in software development and a strong proficiency in ...

    Hybrid Software Engineer Catalog Insights & Analytics

    A leading data-driven marketing platform in London is looking for a Software Engineer for its Catalog Insights Team. Your role includes delivering key product capabilities for Marketing Analytics, designing data processing pipelines, and ensuring end-to-end ownership of product solutions. The ideal candidate has ...

    Founding Full Stack/Platform Engineer — AI SaaS, Equity

    A tech startup is seeking a Full-Stack/Platform Engineer to be a foundational hire in developing an AI-native platform. Responsibilities include owning the technical lifecycle, designing production SaaS solutions, and scaling AWS infrastructure. The ideal candidate has 7+ years of experience with strong skills i ...

    Internal Tools Engineer, Safeguards Foundations

    A leading AI safety firm based in London is seeking a Software Engineer to enhance internal tooling used for review and enforcement processes. The ideal candidate should have over 4 years of experience, strong knowledge of Python and React, and the ability to work closely with both technical and non-technical te ...

    AI First Full Stack Engineer for Autonomous Agents

    TopTek Talent is seeking a Full Stack Software Engineer specializing in AI, based in London with a hybrid work model. You will play a pivotal role in transitioning the platform architecture to an AI-first approach, building autonomous agents and managing full-stack execution with a focus on Python and React. The ...

    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 ...

    IoT Focused Full Stack Engineer: AWS & GraphQL, Equity

    Jack & Jill, an IoT climate-tech startup in London, is seeking a Full-stack Engineer to join their small, impactful team. The role involves leading a platform migration to AWS/Postgres and building reliable data pipelines for real-time IoT telemetry. Ideal candidates will have 3-5 years of experience in Python a ...

    Senior Full Stack AI Engineer: Build Production Ready AI

    A leading technology company is seeking a Full Stack Engineer to join their team in Birmingham. The ideal candidate will have 5+ years of experience in software engineering and be proficient in React, TypeScript, Python, and Node or Go. This role involves building and shipping AI-driven features and requires a s ...

    AI Fintech Full Stack Engineer — 4 Days/Week in London

    A leading global fintech is seeking a Full-Stack Engineer for their new AI Innovation Team in Central London. You will join a greenfield team focused on building an AI Platform for compliance technology. The ideal candidate has over 2 years of engineering experience, with skills in React, TypeScript, and Python. ...

    Creative WebGL Developer (Three.js / React Three Fiber / React)

    Build web experiences people can’t stop sharing. We’re partnering with a well-known, well-trusted major Media company at the intersection of technology, storytelling, and global brand campaigns —and we’re hiring a Creative WebGL Developer </s ...

    Lead Solutions Engineer, Ads Platform

    A leading social media platform in London is seeking an experienced engineer to manage relationships with client-side engineering teams, influence product development, and collaborate with sales partners on business opportunities. Ideal candidates should have a Bachelor's degree in Computer Science, over 5 years ...

    PKI & Identity Security Software Engineer

    A leading recruitment agency is seeking a talented software engineer to develop high-volume PKI solutions in an agile environment. The ideal candidate will have experience with Go, Java, C++, or Python, and possess knowledge of full-stack applications, REST APIs, and DevOps principles. Strong communication skill ...

    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 Platform Engineer Cloud, Automation & DevSecOps

    A leading derivatives marketplace in Belfast is seeking a Platform Engineer III to develop and automate core capabilities on GCP. The successful candidate will enhance platform functionalities while ensuring scalability and security. Responsibilities include collaborating with cross-functional teams and optimizi ...

    Software Tools Engineer – Cross Platform Dev Tools

    A prominent technology company in London is seeking a Software Tools Engineer to develop high-performance applications that facilitate innovative audio and electronics experiences. Successful candidates will have a strong programming background, particularly in Java and Python, a Bachelor's in Computer Science, ...

    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 ...

    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 ...

    National Security Cyber Software Engineer

    A leading digital intelligence firm in Gloucester is seeking an Operational Cyber Software Engineer. This role focuses on developing secure, reliable software solutions for critical cybersecurity needs. Candidates should be eager to learn and have a foundational understanding of programming languages like C++, J ...

    Platform Engineer: Distributed Systems & Cloud

    A leading technology company in London is seeking a skilled software engineer to join their Platform Engineering team. The role involves building and maintaining critical financial infrastructure, working on high-availability distributed systems, and enhancing developer tooling. Ideal candidates will have 3+ yea ...

    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 ...

    Remote Test Engineer – API & Automation Specialist

    A technology consulting firm is seeking a Test Engineer to join their team. In this remote role, you will engage with clients and work collaboratively on automation and testing frameworks. The ideal candidate has strong knowledge of Selenium and programming languages like Java or Python, as well as outstanding c ...

    Full Stack AI Driven Data Onboarding Engineer

    A global data and AI platform is seeking a full stack Software Engineer to join their Feed & Workflow Intelligence team. This role involves collaborating with product, design, and engineering teams to deliver solutions that enhance user workflows. Applicants should have a degree in Computer Science, prior full-s ...

    Data Engineer & Platform Analyst – Lakehouse AI (London)

    A leading global investment bank in London seeks a Data Engineer to design and support data pipelines and curated datasets on their AI data platform. The ideal candidate will have experience in Python or Java, solid SQL knowledge, and a background in data modeling. Responsibilities include enhancing data pipelin ...

    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 ...

    Trading Reliability Engineer: Build Robust Systems

    A leading investment management firm is seeking a Reliability Engineer to enhance the reliability of their trading systems. The role involves leading software support for distributed applications, improving operational reliability, and collaborating with other teams. Required qualifications include a degree in C ...

    Cloud Security Engineer Automation & Resilience

    A leading technology firm in the UK is seeking a Cloud Security Engineer to manage and enhance security systems related to cloud technologies. The ideal candidate should have strong experience in Linux and Windows environments, AWS services, and high-level programming languages like Python and Java. Responsibili ...

    Senior Software Engineer in Southampton Matchtech

    Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/ ...

    Staff Software Engineer – Embedded/Crypto, Mentoring & Leadership

    Staff Software Engineer, Onchain (Applied Cryptography) Location: 108 E 16th Street, New York, NY 10003 Responsibilities Technical mentoring of junior engineers Sprint board management Required Skills Significant experience with embedded C/ ...

    Data Architect in London Accenture

    Migration Approach Data integration approach Experience Being a hands-on data architect (only when needed) with program languages Java, Scala , and Python. Accenture is a global professional services company offering expertise in digital, cloud, and security solutions ...

    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 ...

    🚀 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 →

      Senior Lead Fullstack Engineer React Java Python Aiml Jobs in United Kingdom Job Search Guide, Trends and Insights