• London Jobs Expertini profile avatar

    • Backend Developer Java Spring Bootpython Jobs in London, 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. London
    4. Jobs
    5. Backend Developer Java Spring Bootpython Jobs

    6. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior C++ Developer/Software Engineer London/Hybrid

    Senior C++ Developer/Software Engineer - London Based in the City of London (2 days in the office)/6 months rolling/£650 per day (Inside IR35) A global leading fintech solutions company and member of the Fortune 500, seeks an experienced Senior C++ Developer/Software Engineer, to be res ...

    Remote Full Stack Developer: PHP & Angular 18+

    Dynamic Nation is seeking a hands-on Full-Stack Developer to build and scale high-performance web applications. This fully remote position requires strong experience in Angular and PHP, as well as a solid understanding of databases like MySQL and Postgres. You will take real ownership of projects from end-to-end ...

    Power BI Developer (Application Server Technologies/Insurance)

    I am hiring for Power BI Developer (Application Server Technologies/Insurance) Location: London, UK (Hybrid – 2–3 Days Onsite) Job Description: Develop end-to-end Power BI reports from data preparation to final visualization Design and impleme ...

    Front Office Python Developer: FX & Rates Trading

    Pontoon is looking for an experienced Front Office Python Developer for a 12-month contract in London, working closely with a high-performing FX & Rates trading desk. You will develop and enhance pricing and risk systems while collaborating directly with traders. Ideal candidates will have strong production-leve ...

    Mobile Android Developer for Green Tech & Impact

    A technology company in Greater London is looking for a mobile developer for their Kraken Field platform, aimed at retrofitting homes with smart energy solutions. The role involves working in a multifunctional team, using Kotlin and Jetpack Compose, with a focus on app architecture and user experience. Candidate ...

    Front Office Python Developer (Rates/FX Trading)

    Job Title: Front Office Python Developer (FX/Rates Trading)Contract: 12 MonthsLocation: London (3 days a week onsite)Rate: Highly competitive daily rateStatus: inside IR35 About the Role We are seeking an experienced Front Office Python Developer to join a global inves ...

    Trading Developer 12 month FTC x 2

    We are seeking skilled Trading Developers to design and deliver high-performance trading tools and automated processes that enable profitable trading across multiple markets and commodities. You will play a key role in building robust, scalable, and secure solutions that support front-office trading activi ...

    Trading Developer Hybrid, Global Impact, Flexible Work

    SmartestEnergy in Greater London is looking for skilled Trading Developers to design high-performance trading tools and automate processes. In this hybrid role, you'll collaborate with various teams to build robust solutions for trading activities. Candidates should have experience with coding, statistical analy ...

    Senior C++ Developer & VP, Low Latency Trading

    LGBT Great is seeking a Senior C++ Developer to join their Vice President in the Latency Sensitive Electronic Trading (LSET) department. This role involves developing C/C++ components for low-latency trading services alongside a high-performing team in a hybrid work environment. Candidates must have proven C/C++ ...

    Junior Quant Developer – HFT & Low Latency Trading

    Queueco Limited is seeking a graduate for an onsite role as a quantitative developer specializing in High-Frequency Trading (HFT) in Greater London. You will work with traders to understand market data and APIs, requiring strong programming skills and attention to detail. Candidates with relevant internships or ...

    VP Quantitative Developer High Performance Pricing & Risk

    Citigroup Inc. is seeking an experienced Quantitative Developer to join the Numerical Performance Group in London. The role involves designing and enhancing quantitative libraries for pricing and risk management, leveraging advanced mathematical techniques. Ideal candidates will have strong programming skills in ...

    Frontend Developer (Angular) Hybrid, Impactful Web/Mobile

    Venator Recruitment is looking for a Frontend Developer to join an eCommerce company in London. In this hybrid role, you will work in the office four days a week and contribute to developing mobile and web applications. Responsibilities include understanding business problems and proposing technical solutions. I ...

    Remote Scala Developer for Public Sector Solutions

    BrightBox Group is looking for a skilled Scala Developer to join their team on a crucial public sector project. The role involves designing, developing, and maintaining scalable applications using Scala and AWS. You will collaborate with cross-functional teams and participate in code reviews to ensure best pract ...

    Android Developer (Kotlin) – Hybrid, 12‑Month FTC

    GUARDIAN NEWS AND MEDIA seeks an Android Developer for a fixed-term contract in London. You will build and test features for their Android apps while collaborating closely with a diverse team. The role requires expertise in Kotlin and a strong interest in technology. The position offers a salary starting at £62, ...

    Volunteer iOS Developer SwiftUI for Climate Action

    The Climate App is seeking a Volunteer iOS Developer in Greater London to assist in developing features for a global sustainability platform. The role focuses on using SwiftUI to create meaningful applications that help tackle climate change by connecting communities and tracking their impact. If you are passion ...

    Senior Ruby on Rails Developer — Remote, GovTech

    TXP is seeking a Senior Ruby Developer for a remote position with a duration of 3 months, with scope to extend. The ideal candidate should have strong Ruby on Rails experience and be familiar with working in a government setting. Experience in the public sector is preferred, along with strong communication skill ...

    Senior 3D Web Frontend Developer (React/Three.js)

    A leading software company in the UK is looking for a Senior Frontend Developer specialized in 3D interfaces. The role involves designing high-performance user interfaces, collaborating on 3D workflow implementations, and requires strong expertise in React and Three.js. Ideal candidates will have 5-8 years of re ...

    Lead .NET/JS Developer Perm Creative Agency

    Job Type: Permanent Location: London Job Ref: BBBH _ Date Added: April 22nd, 2026 Consultant: Heather Thompson Tech Lead - Award Winning Creative Agency Hybrid: 3 days per week to the London Office We're working with an award‑winning digital experien ...

    Sports Nutrition Product Developer (NPD) — Hybrid + Pension

    Seven Search and Selection Ltd is hiring for a role focused on delivering customer NPD projects and designing formulations for nutritional products. The candidate should be degree-qualified in Food Science or a related field, with experience in food manufacturing and strong knowledge of ingredient functionality. ...

    Senior Quant Developer: Pricing, Risk & Models Lead

    TradingHub is seeking a Senior Quantitative Developer (VP) to lead in designing, building, and validating pricing models. This role requires a mix of strong mathematical skills, proven experience in financial markets, and proficiency in programming languages like C# and Python. The ideal candidate will work on v ...

    VP Product Developer: Data Driven Institutional Banking

    Citi is seeking a Product Development professional in London to join their Enterprise Data Office. This role focuses on creating product visions, managing execution, and collaborating across teams to implement analytic capabilities. Candidates should have experience in data analysis, problem-solving, and financi ...

    Senior Quant Developer – Derivatives Risk & IMM Analytics

    Talensa is seeking an experienced Quantitative Developer at Associate Director level to enhance their Derivatives risk management. The role requires strong expertise in Python and experience in quantitative development to build risk libraries, validate methodologies, and collaborate with cross-functional teams. ...

    ServiceNow Developer in London VIRTUS Data Centres

    VIRTUS Data Centres is a UK and global leader in the data centre industry, committed to delivering reliable, resilient and responsible digital infrastructure. VIRTUS owns, designs, builds and operates a new generation of agile, connected data centres. Requirements Service Catalogue, CMDB, P ...

    Back End Developer Elixir 12 Months FTC

    Overview Back End Developer - Elixir - 12 Months FTC SQUAR ENIX - London 07 Feb 2023 Workplace On-site / Remote Type Freelance Responsibilities Work as an integral part of the Back end team to provide the business with user and player related services in a ...

    C# Desktop Applications Developer — Hybrid (Canary Wharf)

    A global banking institution is looking for a C# Developer to work in a hybrid capacity based in London. The role involves developing desktop applications primarily using WPF and WinForms, conducting business analysis, and ensuring user support. With a duration of 6 months and a competitive daily rate of £415, t ...

    Senior Frontend Developer (React/TypeScript) – AI FinTech

    Cornspring, an innovative FinTech startup in Greater London, is looking for a developer to create sophisticated data manipulation interfaces using TypeScript. You will work on Excel Add-ins and web applications enhanced by AI, ensuring seamless integration and exceptional user experiences. Ideal candidates are s ...

    Hybrid Mainframe Developer — CICS / z/OS Expert

    N Consulting Limited is seeking a Mainframe Developer with experience in IBM Mainframe technologies, including CICS, z/OS, and COBOL, to work on critical banking applications. The role involves development, maintenance, and optimization of legacy systems, with a focus on performance tuning and production support ...

    Senior Salesforce Developer (Marketing Cloud/Data Cloud)

    Senior Salesforce Developer (FSC / Data Cloud / Marketing Cloud) London (Hybrid) Up to £90,000 + Benefits UK Passport Holders/ILR Only. We’re hiring a Senior Salesforce Developer to play a key role in a major platform transformation across Financial Services Cloud, Data Cl ...

    Remote Full Stack Developer — React + .NET Core

    Crises Control is seeking a Full Stack Developer experienced in React.js, .NET Core, and MS SQL to join their team in Greater London. The role involves designing and developing user interfaces and robust APIs while collaborating with cross-functional teams in an Agile environment. Candidates should have 3+ years ...

    Senior C++ Developer — Financial Markets & Low Latency

    Broadridge is seeking a Senior C++ Developer to participate in the design and development of financial markets software products. The role requires over 5 years of C++ development experience, strong analytical skills, and a solid understanding of modern C++ standards. This position offers a hybrid work model whe ...

    C++ Junior Software Developer, London Heathrow, UK

    Want to launch your career as a C++ Junior Developer? At mthree, we match ambitious graduates with leading global companies across finance, travel, healthcare, and more. What You’ll Do You’ll work on large‑scale, mission‑critical software engineering challenges, collaborating clos ...

    Front Office C# Developer Commodities Derivatives Hybrid

    Sanderson Recruitment is seeking a Front Office C# Developer for a hybrid position in City of London. The role focuses on supporting the Commodities Derivatives trading platform, which includes pre-trade and pricing processes. Candidates should have a solid background in C# and experience in trading systems deve ...

    Lead Developer – Real Time Investment Data Systems

    Overview hackajob is collaborating with Vanguard to connect them with exceptional professionals for this role. The Role We are seeking a Lead Developer to work on the design and delivery of real‑time and time‑series data platforms within our investment management ...

    Software Developer Enterprise Technology [Node JS / Typescript]

    About Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core servi ...

    Part Time Software Developer Community Current (Remote)

    Repowering London is looking for an experienced Software Developer to join the Community current development team on the Elysia solar billing operations platform. The role involves collaboration with another remote developer, focusing on high-quality and security-conscious coding. The position is a fixed term fo ...

    Freelance Business Developer (UK Market) M/F

    At Transatel, we imagine innovative cellular connectivity solutions and deploy them around the world for prestigious clients like Airbus, Stellantis, Worldline and Jaguar Land Rover. As a leading Mobile Virtual Network Operators enabler and global IoT connectivity pioneers, our SIM & eSIM connect millions ...

    Hybrid London: RTD Beverages & Supplements Product Developer

    Aspire is seeking a Product Developer for functional beverages and supplements in London. This role focuses on leading new product development, ensuring compliance and quality across various markets. Ideal candidates will have over 3 years of product development experience, especially with ready-to-drink beverag ...

    Product Leader: Agentic AI Platform & Developer Tools

    Trimble Inc. is seeking a Product Manager to lead the Agentic Services Platform. This role focuses on developing a strategic roadmap for AI-driven tools, enhancing developer experiences while collaborating with engineering teams. Successful candidates will have over 8 years of technical product management experi ...

    Machine Learning Developer Quant Strategies in London)

    Overview Machine Learning Developer - Quant Strategies – an exciting position with an innovative investor looking for an ML developer to focus on quantitative strategies and research. Responsibilities In terms of day‑to‑day activities you will be building brand‑new statistical m ...

    Salesforce Developer / Application Engineer (Financial Services Cloud)

    Role Title: Salesforce Developer / Application Engineer (Financial Services Cloud) x 2 Division: Technology Location: London, Liverpool, Glasgow Contract: Permanent Hiring Manager: Christopher Coleman Working pattern: Hybrid About the Role The Salesforce ...

    Senior Product Developer– Sportswear / Activewear / Athleisure Apparel

    We are working with our client of more than 22 years. Looking for 2 senior Apparel Product Developers with expereince in Sportswear / Activewear / Athleisure Apparel Are you an experienced Senior Product Developer with a strong background in sportswear, activewear, athleisure, menswear and ...

    Finance Systems Developer – Hybrid (12‑Month FTC)

    RSA Group is looking for a Finance Systems Developer for a 12-month FTC based in Greater London. This hybrid role involves the delivery of finance reporting systems, requiring skills in finance systems development, SQL knowledge, and experience with CCH Tagetik. You will collaborate with finance and IT teams for ...

    PHP Developer: Modernise Legacy Systems & Own Features

    Siemens is seeking a hands-on Software Developer to join their Advanta business, primarily home-based with some travel to the London office. The candidate will deliver, strengthen, and modernise a business-critical digital platform. Responsibilities include designing and improving PHP-based applications, improvi ...

    Senior API Platform Product Manager | Developer Experience

    Ebury is seeking a Senior Product Manager for their API platform to own the product strategy and execution. The role involves collaborating with engineering and commercial teams to build scalable APIs, ensuring an excellent developer experience. Responsibilities include managing API endpoints and working with st ...

    FX Prime Brokerage Developer VP (FX Prime)

    Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

    Front Office C++ Quant Developer – Rates & Credit

    Jobs via eFinancialCareers is seeking a Contract Quantitative Developer (C++) specialized in Rates and Credit Derivatives in London. This hands-on role involves supporting pricing, risk, and P&L infrastructure, collaborating closely with trading desks and quantitative teams. Candidates should have 3–7 years of e ...

    Senior Developer Experience Writer: API & SDK Docs

    A leading tech company is seeking a Senior Technical Writer to enhance the developer experience within their Engagement Docs Team. This role offers flexibility to work remotely while playing a crucial role in organizing product knowledge and documenting features. The ideal candidate should have a strong command ...

    Senior Trend Accessory Product Developer Part Time

    FASHION PERSONNEL is seeking a Senior Product Developer to join their dynamic accessories brand in Greater London on a part-time basis (3 days a week). The role involves taking ownership of the full product development process from concept to launch while collaborating closely with the design team. Ideal candida ...

    Front Office Quant Developer: C++/Python/XVA

    mthree is seeking a motivated Quant Developer to join their Front Office XVA team in Greater London. This role involves developing high-performance quantitative libraries in C++, enhancing XVA calculations, and supporting trading desks with risk analytics. The ideal candidate will have a degree in Mathematics, P ...

    New Job SharePoint Office 365 Developer London

    Title: SharePoint Office 365 Developer Salary : £416-£490 per day (umbrella) Location : London Hybrid : 3 days a week in office & 2 days wfh Job status : 6 Months (rolling contracts up to 2 years) Start date : ASAP <p ...

    🚀 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 →

      Backend Developer Java Spring Bootpython Jobs in London Job Search Guide, Trends and Insights