• United Kingdom Jobs Expertini profile avatar

    • Application Engineering Lead Java Python Microservices 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. Application Engineering Lead Java Python Microservices Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    AI Cloud Engineer: Automation & Python on Azure (Hybrid)

    A prestigious financial services organisation seeks an AI Cloud Engineer to develop automation solutions. You’ll transform complex business processes into streamlined workflows using Python and Azure. The role requires 2 days in Central London per week, featuring a competitive salary of £90K-£100K with bonuses, ...

    Senior Python Data Engineer — Enterprise ETL & Cloud Pipelines

    A technology consulting firm is seeking a Data Engineer (Python Enterprise Developer) with over 8 years of experience, specifically in Python scripting and SQL. This role requires creating ETL pipelines and working in an Agile environment. The successful candidate will work in a hybrid mode, primarily at London, ...

    Senior Backend Engineer Python/FastAPI, Scale up CPMS

    A leading Charge Point Operator is seeking an experienced Senior Backend Engineer to develop their Charge Point Management System and customer-facing applications. This full-time, hybrid role based in Southwark involves backend development using Python and FastAPI, API design, and system performance optimization ...

    Founding Python Engineer Early Stage Start Up London

    Overview Founding Python Engineer required for an early stage start-up building the future of AI-powered data processing. Joined by a founding team from leading industry names and backed by prestigious VC and angel investors, this is a ground-floor opportunity to work on technically challenging AI ...

    Senior Software Engineer Health Tech (Hybrid, Python/API)

    A recruitment firm in Cambridge is hiring a Senior Software Engineer to develop cutting-edge health technology. The role requires strong Python skills, particularly in API development. Responsibilities include writing scalable code and building robust APIs, while working in a collaborative culture that encourage ...

    ML Researcher (PhD in Statistics) – Python & AI, Remote

    A high successful SaaS tech company in Cambridge is seeking a Machine Learning Researcher (PhD Statistics Python AI R&D) to develop new tools and techniques for probabilistic models. The role involves conducting independent research and contributing to product development in the automotive sector. Competitive sa ...

    Senior Full Stack AI Engineer (Remote, React/Python)

    A leading technology services provider in Edinburgh is seeking a skilled developer to work in an Agile Scrum environment. You will collaborate with cross-functional teams to design and enhance digital products using React and Python, supporting AI-driven solutions. Ideal candidates will have strong experience in ...

    Senior GCP DevOps Engineer | Kubernetes, CI/CD, Python

    A technology services company is seeking a GCP DevOps Engineer to optimize CI/CD, cloud infrastructure, and application performance. You will work extensively with Kubernetes and Google Cloud Platform. This contract position offers hybrid working, with three days in the office, preferably in Sheffield, and an ex ...

    Senior Python Quant Developer for HFT & Crypto Trading

    A leading trading firm in the City Of London is seeking an experienced Python Quant Developer to join their high-frequency trading team. This role focuses on expanding the Python analytics stack to support trading strategies in crypto markets. You will work closely with traders and quant researchers, developing ...

    Python Developer: Front Office Trading Tech & R&D

    A tech-native consultancy in London is looking for a Python Developer to join their Front Office R&D and Trading Technology team. The role involves designing and maintaining Python-based core libraries, providing L1/L2 user support, and improving system reliability. Ideal candidates should have a strong grasp of ...

    Python Software Engineer – Quantitative Hedge Fund : £120 180k

    Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edge data science, and sophisticated trading systems to deliver excep ...

    Software Engineer Python Ubuntu Pro client graduate level

    Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Canonical is a l ...

    Senior Python DevOps Engineer for High Performance Trading

    A leading trading firm in Greater London is seeking a dynamic software engineer to enhance their quantitative trading teams. The role involves ensuring production servers are configured properly, writing and maintaining python infrastructure, and addressing trading operational issues. Ideal candidates will posse ...

    Senior Full Stack Architect: Python/TS, Azure & AI

    A managed service provider in Dundee is seeking a Senior Engineer to drive technical architecture on complex client projects. You will design robust systems, mentor engineers, and utilize AI tools within Azure environments. Ideal candidates will possess expertise in Python, TypeScript, and CI/CD practices. This ...

    Mid Level Software Engineer (Python) RegTech 2026 UK

    Suade is building world‑leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand‑in‑hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

    Senior Backend Python Engineer for Scalable ML Platform

    A fast-growing educational technology startup in London is seeking a Senior Back end Python Developer to help build scalable, ML-driven learning systems. You will leverage a modern tech stack, including Python, AWS, Docker, and Terraform, to design high-scale applications that serve millions of users. Collaborat ...

    Senior Data Platform Engineer I Database Platform Python

    Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier ...

    Senior Python Engineer: Equity Factor Risk & Data Platform

    A leading financial firm in the United Kingdom is seeking an experienced individual to join their Equity Factor Risk Model Technology Team. The role focuses on designing and developing equity portfolio analytics, building big data infrastructure, and implementing process improvements. Ideal candidates will have ...

    Python Cloud Engineer – AWS, Terraform, FastAPI | Hybrid UK

    A premier technology recruitment agency is seeking an experienced Python Engineer for a contract role in the United Kingdom. This position entails designing cloud-native applications and optimizing CI/CD pipelines using Python, AWS, and Terraform. Candidates should have a proven track record of at least 5 years ...

    AI Inference Engineer | GPU Scale Rust/Python | Equity

    We are looking for an AI Inference Engineer to join our growing team. We build and run the inference engine behind every Perplexity query and deploy dozens of model architectures at scale with tight latency and cost budgets. Our stack is Rust, Python, CUDA, and CuTe DSL.Responsibilities</stron ...

    Python Developer – APIs & LLM Data Infrastructure (Energy Markets)

    Overview Modo Energy is building the data and AI infrastructure behind the energy transition — ingesting global energy datasets and powering APIs, analytics platforms, and LLM-driven systems that understand real-world power markets. Our data platform processes huge volumes of energy marke ...

    Python Software Engineer : Quant Trading Fintech : London : £200k

    Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across ...

    Python Software Engineer : Quant Trading Fintech : London : £200k

    Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across ...

    Senior Data Engineer – Azure Data Pipelines (Python/Scala)

    This is a job posted by our partner Jooble. Below is a snippet of the job description. Technical Skills: Proficiency in programming languages such as Python, SQL, or Scala. Experience with cloud platforms and data storage solutions, particularly Azure. ...

    Full Stack Engineer: React & Python in Cloud + AI

    A high-growth technology company in Belfast is seeking a Full Stack Engineer experienced in Python and React for their newly established engineering hub. You will work on building full stack features, developing APIs, and collaborating with a diverse team on a modern data-driven platform. The role is ideal for a ...

    Senior Python Automation Engineer for AI & LLM Systems

    Resillion is seeking a Senior Automation Tester (Python) to join their team in Glasgow. This role involves developing automation frameworks for AI systems, executing tests for conversational flows, and collaborating closely with product teams to ensure high-quality AI-powered features. The ideal candidate has st ...

    Senior Python SDET for Payments – API & UI Automation

    JPMorgan Chase is seeking a Software Engineer III in Glasgow to enhance the Payments Technology team. In this role, you will design and develop robust test automation frameworks essential for maintaining a high-performance payment system. Successful candidates will demonstrate practical experience in Python, exp ...

    Remote Python Engineer Contract (1 Month, 20h/wk)

    Mercor is looking for a Software Engineer to develop and maintain complex Python systems for real-world environments. As a contractor, you will earn $100 per hour and work 20 hours per week remotely. Ideal candidates should have experience at top US tech firms and a proven track record with complex Python system ...

    Senior Product Engineer (Python/React) Tech for good

    Senior Product Engineer (Python/React) - Tech for good Salary: Up to £85k Location: 1-2 days p/week in London (some flexibility) Senior Product Engineer (Python/React) - would you like the opportunity to work for a tech for good organisation operating in the restoration space? They’re cur ...

    Senior Python Backend Engineer for AI Energy Efficiency

    Roc Search is looking for a Python focused Software Engineer to join their team in Greater London. This position involves developing advanced AI solutions aimed at optimizing energy efficiency in data centers. Responsibilities include building and maintaining internal tools, collaborating on feature design, and ...

    Front Office FX Python Engineer – Real Time Trading

    mthree is seeking a Python Developer to join its Front Office FX Options Technology team in Greater London. In this high-impact role, you will design and support cutting-edge trading systems. Responsibilities include collaborating with traders, enhancing trading algorithms, and integrating systems with regulator ...

    Hybrid Python AI/ML Engineer for AIOps Platform

    Overview At CGI, we’re shaping the future of intelligent operations through secure, scalable technology that drives real impact for clients. As a Python Developer in our Emerging Technology Practice, you’ll help advance our AIOps platform—engineering solutions that boost reliability, automation, ...

    Product Engineer – Full‑Stack (React/Python) with Equity

    Jack & Jill is seeking a Product Engineer in London to join a high-growth startup focused on creating innovative solutions for enterprise software deployment. The role involves designing intuitive user experiences, direct user engagement, and owning the entire lifecycle of product features. Ideal candidates will ...

    Pricing Data Scientist Python for GI/Personal Lines

    Arthur Financial, an innovative personal lines insurer in Greater London, is seeking a Modelling Specialist / Pricing Data Scientist to elevate their modelling capabilities. The role involves building and testing pricing models, integrating third-party data, and peer code reviews. Ideal candidates will have stro ...

    Fast Focus Python Engineer – Ship Products in London

    Fuku is looking for a Fast Engineer in London to build and ship products independently. We seek hungry, high-energy individuals who thrive in a fast-paced startup environment and have a proven track record of delivering results quickly. This is a build seat, focused on making decisions and shipping products regu ...

    Remote Python Full Stack Engineer — Low Code Automation

    MOST Specialist Technologies, localizada em Full Sutton, Reino Unido, busca um(a) desenvolvedor(a) para atuar em automação de workflows utilizando ferramentas low-code como N8N e integração com APIs. O candidato ideal deve ter formação em Ciências da Computação ou áreas relacionadas, experiência em Python e conh ...

    Hybrid Data Analyst R/Python | Stats & Data Quality

    A prominent UK brand is seeking a self-motivated Technical Data Analyst to conduct detailed analyses of large datasets. This hybrid role requires you to be in the London office twice a month. Candidates should have strong coding abilities in R and Python, along with experience in statistical software like SPSS. ...

    Backend Platform Architect for AI Systems (Python) + Equity

    SR2 | Socially Responsible Recruitment | Certified B Corporation™ is seeking a Senior Backend Engineer in London to design and build robust backend systems using Python. You will work with a high-calibre startup developing an agentic AI product, focusing on infrastructure and tooling. Responsibilities include de ...

    Senior Python Backend Engineer — Global, AI Powered & Cloud

    Grid Dynamics is seeking experienced engineers in Greater London. You will build and own engineering systems for global finance software, utilizing Python and modern cloud-native technologies. Ideal candidates are skilled in AI-assisted engineering and have experience with DevOps tools like Docker and Kubernetes ...

    Graduate Full Stack Engineer (Python/React) Fintech Growth

    targetjobs UK is seeking a motivated Graduate Full Stack Engineer to join its tech team in Birmingham. The role involves working on backend-focused tasks while contributing to frontend features using technologies like Python, FastAPI, Next.js, and TypeScript. Ideal candidates are recent graduates with a degree i ...

    Remote Python & Kubernetes Data Engineer AI/ML Workflows

    Canonical Group Ltd is seeking a Python and Kubernetes Software Engineer focused on Data, Workflows, AI/ML, and Analytics. This remote position requires collaboration on end-to-end data analytics and MLOps solutions using open-source tools. Ideal candidates will have a strong background in Python, experience wit ...

    Senior Python Automation Tester for AI & LLM Systems

    Resillion is looking for a Senior Automation Tester (Python) to develop and maintain a Python-based automation framework for AI systems. The ideal candidate will have strong Python skills and hands-on testing experience with LLM-driven applications. Responsibilities include designing automated tests for conversa ...

    Python Engineer: AI & LLM for Fintech (Hybrid, London)

    LGBT Great is seeking a Python Engineer in London to help develop scalable AI-driven fintech products. The role involves designing backend systems, integrating LLM features, and working with product and engineering teams. Candidates should have strong Python skills, experience with AI and LLMs, and API developme ...

    Senior Python Automation Tester for AI & LLM Systems

    Resillion is seeking a Senior Automation Tester with strong Python skills to develop scalable automation frameworks for AI systems, including LLM-driven applications. This hybrid role requires a solid background in test automation and experience with AI testing. Key responsibilities include designing automated t ...

    Software Engineer Python Ubuntu Pro client graduate level

    Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely use ...

    Fixed Income Python Engineer — Risk Analytics for Trading

    Paragon Alpha - Hedge Fund Talent Business is seeking an experienced Software Engineer to join their risk team in London. You'll be responsible for developing and optimizing risk analytics platforms, collaborating with traders and quants while troubleshooting issues in a fast-paced environment. Ideal candidates ...

    Python Engineer at a Global Private Equity Firm

    Are you a Data Engineer in finance looking to work on greenfield projects? This is an opportunity to join a global private equity firm that is taking a tech-first approach. You’ll be working as a Data Engineer, closely with stakeholders across both investments and technology. This is a hands‑ ...

    ML Full Stack Engineer: Python Backend & AI Systems

    Machine Learning Software Engineer - Full Stack (LLM) London, United Kingdom Bachelor’s degree in Computer Science, Computer Engineering, or a related technical background. Experience Backend software engineering experience in Python. Responsibilities and Requirement ...

    Hybrid Python Full Stack Engineer | Vue/JS, FastAPI

    Client Server is looking for a software professional with Python framework experience to work on technically challenging projects. With a salary of up to £65k plus bonuses, the role supports hybrid working conditions, allowing you to work from home most of the time with occasional office meetings in Cambridge. T ...

    RF Software Engineer: Real Time Python for Lab

    Technify Talent is seeking a talented Software Engineer to join an innovative engineering team in the UK. This role focuses on developing high-performance software for advanced radio frequency measurement and optimization on cutting-edge hardware. The ideal candidate has a degree in Electronic Engineering or Phy ...

    🚀 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 →

      Application Engineering Lead Java Python Microservices Jobs in United Kingdom Job Search Guide, Trends and Insights