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    Senior Back End Developer Java and AWS (27629)

    This company is developing an AWS-based platform to securely share medical diagnostics between clinicians and researchers worldwide, and enable online characterisation and measurements from scan images. This will feed into a better understanding of disease processes and ultimately better treatments for pat ...

    Quantitative Developer (Low Latency) EMEA (F/M/D)

    Quantitative Developer (Low Latency) EMEA (F/M/D) Direct message the job poster from Flowdesk. Flowdesk's mission is to build a global financial institution for digital assets, one designed from the ground up for market integrity and efficiency. To achieve this in a rapidly evolving marke ...

    C++ Quant Developer Crypto Options, High Performance Trading

    A crypto-native trading firm in London is looking for an experienced C++ Developer to join its growing options team. In this role, you will design and implement high-performance trading systems and collaborate directly with traders. Candidates should possess strong C++ skills and experience in trading platforms. ...

    Remote Python Developer & AI Task Designer (Part Time)

    A leading technology company in the UK is seeking skilled Full-Stack Developers for remote, part-time project-based consultant work. Candidates should have strong expertise in Python and JavaScript/TypeScript, along with 3–7 years of software engineering experience. Responsibilities include designing multi-file ...

    Senior Java Developer Build High Throughput Trading Systems

    A financial technology firm in London seeks a sharp Senior Java Developer to join a collaborative team. The role focuses on building trading venues and infrastructure, with emphasis on writing clean, maintainable code. Ideal candidates are passionate learners with a good understanding of peer-to-peer networks an ...

    C++ Quant Developer – Crypto Options, High Speed Trading

    A leading crypto trading firm based in London is seeking an experienced C++ Developer to join its options team. In this role, you will design scalable and low-latency trading systems, optimize performance, and contribute to testing processes. The ideal candidate has strong C++ skills and experience in HFT enviro ...

    Quant Developer Fixed Income & Real Time Pricing (C++)

    A financial services firm in Greater London is seeking a skilled developer to enhance its bond pricing library and implement quantitative models for fixed income instruments. The role requires strong C++ development capabilities and a solid understanding of pricing concepts. Candidates must ensure rigorous testi ...

    C++ Quant Developer – Build Scalable Crypto Trading Systems

    A leading crypto trading firm in Greater London is looking for a C++ Quant Developer to enhance their trading platform and data infrastructure. This role demands at least two years of C++ experience and strong analytical skills. The firm offers significant independence in problem-solving and a collaborative cult ...

    Senior Rates Java Developer Hybrid London (12m Contract)

    A leading consulting firm is seeking a Senior Rates Developer to join their London-based team on a hybrid basis. This role focuses on Java development in a high-performance trading environment, enhancing pricing capabilities for Rates and FX. The ideal candidate will have strong server-side Java experience and a ...

    Junior C# Developer: Learn, Build & Grow in .NET

    A digital transformation leader in London is seeking a Junior Developer (C#) to support technical development and integration projects. The ideal candidate will have a strong understanding of C# and .NET principles, be eager to learn about Sitecore ContentHub, and work collaboratively in a fast-paced environment ...

    Intermediate React Developer: Clean Code, Agile, Flexible Working

    A technology company in London is searching for an Intermediate React Developer to join a skilled team focused on building modern web applications. The role involves designing interactive single-page applications, writing thorough tests, and collaborating with designers and product owners to ensure exceptional u ...

    SharePoint Developer Hybrid UK | Power Apps & REST API

    SharePoint Developer Our client, a leading global supplier for IT services, requires experienced SharePoint Developer to be based at their client's office in London. This is a hybrid role - you can work remotely in the UK and attend the London office 3 days per week. ...

    Junior C# Quant Developer Hybrid London (Mentorship & Impact)

    Role: Junior C# Quantitative DeveloperClient: Leading Hedge FundCompensation: Competitive Base + Performance BonusLocation: London (Hybrid) Overview <b ...

    Rust Quant Developer Low Latency Systems, Hybrid London

    Rust Quant Developer | Hybrid in London | Up to £300k + Up to 100% Bonus + Package We’re working with a fast-growing, engineering-led company to find a Rust Quant Developer to join their high-performance systems team. This organisation operates in a real-time, data-intensive environment, ...

    Latency Critical Quant Developer – Real Time Trading Systems

    Quantitative Developer | Global Electronic Trading Firm | London Engineering at the Frontier of Electronic Markets The Role You will work on the production systems that make markets globally. This is a quantitative engineering role operating at the intersection of: Real-ti ...

    Lead Intranet Developer C#/.NET Core, SQL | Hybrid

    Lead Intranet Developer required for innovative further education college in Greater London C# /.NET Core / SQL Hybrid working arrangement As Lead Intranet developer, you'll be responsible for developing and supporting the college's intranet platform (.NET Core). You ...

    Android Developer: Kotlin, Payments, CI/CD (London Onsite)

    Our client are a global consulting firm, working on a project in the Card Payments space, they are on the lookout for an Android Developer to come in on a contract basis. Key Skills/Requirements: Strong Kotlin experience with Java familiarity for legacy support REST API integration ...

    Salesforce Developer: Apex, LWC & Cloud (9 Month Contract)

    I'm currently working with a Fin-Tech Salesforce Customer who are actively seeking a Salesforce Developer to join them as soon as possible on a 9 month Fixed-Term Contract. They are looking for a Salesforce Developer experienced in building out Apex classes, triggers and Lightning Web Components on ...

    Front Arena Developer 6 Month Trading Contract (London)

    A consulting firm is seeking a Front Arena Developer with 3 to 5 years of experience in developing applications for Front Arena. You will work to design and support integrations while collaborating with colleagues in a dynamic environment. Essential skills include knowledge of programming languages associated wi ...

    Remote NetSuite Developer with Salesforce — 6 Month Contract

    A technology solutions provider is seeking an experienced NetSuite Developer with Salesforce experience for a 6-month assignment. The position allows remote work and is focused on enhancing the NetSuite ecosystem through technical expertise. Candidates will work on configurations, custom developments, and improv ...

    React Native Developer in London Immediate Media Co

    React Native Developer (up to £55,000) Immediate is home to some of the biggest and most loved consumer brands in the UK, including Radio Times, Good Food, and BBC Gardeners World magazine. Our trusted, quality content reaches millions of people a month across digital and print. Work across ...

    VP Quantitative Developer Front Office Pricing & Risk (C++)

    Location London Corporate Title Vice President Group Strategic Analytics (GSA) is part of Group Chief Operation Office (COO) which acts as the bridge between the Bank’s businesses and infrastructure functions to help deliver the efficiency, control, and transformation goals ...

    Senior Java Developer Fixed Income Algo Technology, VP

    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 global markets, ...

    Python Counterparty Credit Risk Senior Developer, Vice President

    The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deploym ...

    Senior Python Developer for Counterparty Credit Risk VP

    Citigroup Inc. is seeking a Counterparty Credit Risk Senior Application Developer in Greater London. This senior role involves integrating pricing models and enhancing workflows within the Analytical Calculation Engine application. Responsibilities include maintaining applications, optimizing performance, and co ...

    Senior Python Risk Developer, VP — Counterparty Credit (Hybrid)

    Citibank (Switzerland) AG is looking for a Python Counterparty Credit Risk Senior Developer in London. This role focuses on the development and maintenance of applications for derivatives credit risk and exposure calculations. The successful candidate will interface with Quant and Front Office technolo ...

    Développeur(se) de données Sénior / Senior Data Developer

    L’opportunité Développeur(se) de données Sénior appelé(e) à diriger la conception et la mise en œuvre de notre plateforme de données essentielle aux activités de l’entreprise. Occuper un rôle avec une grande autonomie, intégré(e) à une équipe de développeur(se)s logiciel et de données sén ...

    Senior Java Developer: Lead & Scale High Performance Apps

    Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in ...

    Remote iOS Developer (Swift/Obj C) 12mo Contract

    Experis is hiring a talented iOS Developer for a remote position, requiring occasional travel to London. You will develop and maintain innovative iOS applications using Swift and/or Objective-C, collaborate with cross-functional teams, and ensure optimal performance. Candidates must have proven experience in iOS ...

    RPA Automation Developer – UiPath, C#, .NET | Hybrid London

    Pontoon is seeking an Automation Application Developer to join their dynamic team in London. In this role, you'll design and implement automation solutions to drive efficiency within a leading financial institution. Key responsibilities include collaborating with teams to pinpoint automation opportunities, maint ...

    Remote Blockchain Developer (Solidity / Smart Contract) Quantum Studio

    We are in search of a dynamic and skilled Blockchain Developer to join our team. As a Blockchain Developer, you will be at the forefront of designing, implementing, and maintaining innovative blockchain solutions that drive the evolution of our projects. If you are enthusiastic about decentralized technolo ...

    ASP.NET MVC Developer – London, Fast Paced Weekly Releases

    Java Script Works is seeking a full-time ASP.NET MVC Developer based in London, England to join a small team. The role involves working with a varied tech stack, including ASP.NET, C#, Angular, SQL, and JavaScript. The ideal candidate will have a computer science degree or equivalent and experience wit ...

    HTML5 CSS MVC Developer in London Quant Capital

    HTML5 CSS MVC Developer London, UnitedKingdom Posted 11 months ago This is a job posted by our partner Jooble Tech stack JavaScript CSS HTML5 Frontend Development Role Description The Web Developer wil ...

    Low Latency Java Developer: FX Trading Integration (London)

    Matchtech is seeking an experienced eFX Java Developer in London, United Kingdom. The role focuses on building the integration layer between the FIX pricing engine and the FX Connect Global Link trading platform, requiring expertise in low-latency Java trading. This contract-based position offers compe ...

    Lead Python Web Developer in London Quant Capital

    Lead Python Web Developer London, United Kingdom Posted 11 months ago Tech stack Python Django Analyst web Investment Framework Derivatives C JavaScript Development Experience < ...

    C++ Developer FX eTrading London in London Ascendion

    C++ Developer - FX eTrading - London London, United Kingdom Posted 9 months ago Tech stack Databases C Bash Python Perl Scripting Trading SQL Time series databases Requ ...

    Python Developer Quant Trading in London Quant Capital

    Python Developer Quant Trading London, United Kingdom Posted 11 months ago Quant Capital Quant Capital is urgently looking for a Python C# Developer to work for our high profile Hedge Fund. Tech Stack Python C# Quantitative </l ...

    Senior KDB Developer Real Time Fixed Income Analytics

    hackajob is seeking a Senior KDB Developer to join their G10 Rates e-Trading team. You will work closely with business, traders, and quants to develop enhancements for the KDB data analytics platform, ensuring best design and deployment practices. The ideal candidate should have strong KDB and Q skills ...

    React Native Lead Developer Hybrid (London) iOS/Android

    A leading digital agency in London is seeking a talented React Native App Lead to provide technical leadership for their digital initiatives. This newly created role offers the opportunity to design, develop, and maintain mobile applications across iOS and Android platforms. You will ensure that digital solution ...

    Remote Power BI & Power Apps Developer — Data Architect

    Methods Business and Digital Technology is looking for a Power BI / Power Apps Developer to join their Public Sector Business Unit. This permanent role, mainly remote with travel requirements, focuses on designing, building, and maintaining impactful business solutions. Candidates should have deep expertise in P ...

    Senior Java Developer Fixed Income Algo Technology, VP

    For additional information, please review .***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 advance ...

    Senior Dynamics 365 CE Developer & Power Platform Lead

    Dormont Manufacturing Co is seeking a skilled Customer Engagement Developer to design, develop, and implement Microsoft Dynamics 365 Customer Engagement (CE) solutions. The ideal candidate will have a strong background in business analysis, with proven experience in configuring and implementing Dynamic ...

    React Developer Build modern, accessible web apps (Hybrid)

    Global Relay is seeking an Intermediate React Developer in Greater London to join a dynamic team. In this role, you will be responsible for designing and implementing modern single-page applications using leading-edge technologies. Your creativity and coding skills will help build complete system solutions th ...

    Senior Quant Algo Developer Low Latency C++ & KDB+

    JoinusasaSeniorQuantAlgoDeveloperatBarclays,supportingtheEquityFlowDerivativesbusiness,whereyouwillhelpbuildouralgorithmicvolatilitytradingstackandmarketsfacinganalytics.Inthisroleyouwillworkalongsidetraders,developers,quants,complianceandriskteamstohelpmanagingriskandmakepositivesignificantimpacttoourreve ...

    Senior/Principal Java Developer Low Latency Financial Services

    Senior/Principal Java Developer - Low Latency - Financial Services 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are looking for low-latency Java Developers to join our clients FX eTrading team. The developers will be ...

    Java/Scala Developer for Trading Tech, Open Culture

    Quant is urgently looking for a Java/Scala developer to join our high-profile client. Our client is a well-known algorithmic trading broker based in central London. The environment is similar to that of Facebook or Google—relaxed, open, with a focus on quality work. Job Responsibilities and ...

    C++ Low Latency Developer Leading HFT Firm | London

    C++ Low‑Latency Developer - Leading HFT Firm | London We are seeking an exceptional C++ Engineer to join one of the world's most advanced high‑frequency trading firms. This is a rare opportunity to work at the intersection of cutting‑edge technology and global financial markets, where per ...

    Android / App Developer / Dev for The Climate App!

    Overview We're on a mission to create a global movement of climate action. We make climate action easy, fun & social. We are a global network of highly skilled developers, activists and professionals - all on a mission to help solve the greatest threat of humankind! We're making an enviro ...

    Full Stack Developer (React + Python/ AI enabled Focus)

    Role This full-stack developer role requires someone with with a strong front-end focus, responsible for building the Data Portal interface and integrating it with backend services and AI capabilities. The role requires expertise in modern front-end development (React) combined with working knowl ...

    Ruby on Rails Developer — Ownership, Equity & Hybrid London

    A fast-growing technology business is looking for a Ruby on Rails Developer in London (hybrid). You'll work on a modern platform focusing on backend services and APIs, with the opportunity to influence architectural direction in a small team. The role requires 2+ years' experience in Ruby on Rails or Python, and ...

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