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    Full Stack Engineer: Scale AI Driven Front & Back End

    Arrows is seeking a top-tier engineer to join their fast-growing startup in Greater London. The ideal candidate will build both front-end and back-end systems, focusing on scalability and collaboration within a high-performance team. Applicants should have expert Python skills, experience with PostgreSQL and mod ...

    AI Driven Full Stack Technical Lead (6 Month Contract)

    ECA International is looking for a Full Stack Technical Lead for a 6-month contract in London. This hands-on leadership role requires a mix of technical expertise in Node.js, JavaScript/TypeScript, React, and a passion for mentoring developers. You will be instrumental in guiding technical direction and deliveri ...

    Front Office Trading Systems Engineer (Python)

    Castleton Commodities International, LLC is seeking a dedicated professional to develop Python-based solutions in a modern trading environment. This role involves working directly with trading teams to optimize processes and analytical models.The ideal candidate will have strong technical qualification ...

    DevOps Engineer

    Overview The DevOps Engineer (Developer Experience) role is key to improving our delivery speed at Trayport as we move towards continuous deployments across our products. Our team in Joule Direct is the one that presents the most exciting and challenging work going forward and the role will ...

    DevOps Engineer

    The DevOps Engineer (Developer Experience) role is key to improving our delivery speed at Trayport as we move towards continuous deployments across our products. Our team in Joule Direct is the one that presents the most exciting and challenging work going forward and the role will join a team who impacts an eng ...

    DevOps Engineer

    The DevOps Engineer (Developer Experience) role is key to improving our delivery speed at Trayport as we move towards continuous deployments across our products. Our team in Joule Direct is the one that presents the most exciting and challenging work going forward and the role will join a team who impacts an eng ...

    Principal Engineer ($50k – $80k • 0.5% – 1.0%) at Perry AI

    Job Title: Principal Engineer Salary: $50k – $80k • 0.5% – 1.0% Equity Company Description: Perry AI - High-velocity Legal AI startup for venture capital Location: London, UK or Remote Job Description: As a Principal Engineer at Perry ...

    Lead Fullstack Engineer

    We are looking for a Staff Full‑Stack Engineer to take technical ownership across backend and frontend development, shaping high‑quality, scalable solutions and setting engineering standards for the team. This role combines hands‑on delivery with technical leadership, mentoring, and close collaboration wit ...

    Senior Software Engineer, Content Agent

    We're hiring a senior engineer for Content Agent – Sanity's operations layer for structured content. It's the system that turns content work (bulk edits, audits, translation, publishing) into things an agent can actually run. It lives in Dashboard, Studio, Slack, and behind a headless API. If you've spent ...

    Microsoft Cloud Native Lead

    Roles: Microsoft Cloud Native Lead.Location: London, UKDuration : Contract – 6-12 monthsIs it Onsite/Remote/Hybrid: Hybrid</strong ...

    Microsoft Cloud Native Lead

    Roles: Microsoft Cloud Native Lead.Location: London, UKDuration : Contract – 6-12 monthsIs it Onsite/Remote/Hybrid: Hybrid</strong ...

    Project Quantity Surveyor London Residential Growth Path

    Intermediate / Project Quantity Surveyor While many residential developers are slowing production and reducing headcount, this London developer is doing the opposite. With a strong pipeline of phased residential developments already secured, the business is continuing to invest heavily in ...

    Product Lead / Entrepreneur in Residence (Project Bonsai)

    At JetBrains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover, and create. Bonsai is an innovat ...

    Product Engineer Gram

    Join us at the early stages of our newest product, Gram, and help shape the future of agentic development. About SpeakeasyWe began by building toolchains for crafting high-quality SDKs for APIs, and have since expanded into agentic tools and MCPs with the launch of Gram. Demand has grown rap ...

    Senior Full Stack C# Developer for Engine Room Platform

    Marex in Greater London is on the lookout for a Full Stack C# Developer to join their Enterprise Technology team. In this role, you will contribute to the Engine Room platform, developing high-quality C#/.NET solutions that facilitate business growth and innovation. The ideal candidate possesses strong ...

    Hybrid SQL Server DB Developer | T SQL & Performance Tuning

    WR Logistics is hiring for a SQL Server Database Developer to join their IT Development team in Dartford. In this hybrid role, you will design, build, and optimise database solutions critical for business operations. The ideal candidate should possess over 5 years of SQL Server development experience, strong T-S ...

    Senior Quant Algo Developer Low Latency C++ Vol Trading

    3761 Barclays - BX - UK is seeking a Senior Quant Algo Developer to support the Equity Flow Derivatives business. The role involves building a modern algorithmic volatility trading stack and enhancing market-facing analytics. The ideal candidate will have low-latency C++ experience, a Master's or PhD i ...

    UK Based Salesforce Contract Roles | Senior Developer, 4 Admins

    Date de début de la mission : Durée de la mission : 90 jours Date de publication de l'offre : Description de l'offre : Objectif de la mission : Recherche d'experts Salesforce pour des rôle ...

    Mozilla: Engineering Manager, Web Developer APIs and Tools – London

    tendersglobal.netJOB DESCRIPTION Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with ...

    E Trading Quant Developer (C++ / Python) – Rates / FX / Equities

    E-Trading Quant Developer (C++ / Python) – Rates / FX / Equities Leading Hedge Fund | London Compensation: Highly competitive We are hiring an E-Trading Quant Developer into a high-performing systematic trading environment within a leading global hedge fund. ...

    Dynamics 365 CRM Developer — Hybrid UK Role with Growth

    About Anthony Nolan We’re Anthony Nolan. We’re here to uncover the answers inside us. Answers for people with blood cancer and blood disorders. Answers that will not only improve lives today but save them tomorrow. By uniting people and science, we’re growing our world‑leading stem cell register, ...

    Senior Front End Blockchain Developer in London Supportwave Ltd

    Salary £90,000 - 90,000 per year Requirements Ruby/Rails: Minimum 7 years of hands‑on experience React: Minimum 7 years of hands‑on experience API Integrations: Minimum 5 years of experience Professional Software Development: 10 years of experie ...

    Front Office C# Developer for Real Time Trading (Hybrid)

    A leading quant trading firm is seeking a skilled C# Developer to join their world-class team in London. In this hybrid role, you will develop modern applications that support global trading operations. The ideal candidate has over 5 years of experience in financial software development, a degree in Computer Sci ...

    [C#. Net Developer] in London for major banking group

    C# .NET Developer Location: London Contract: 6 Months Initially Pay: £415.16 Umbrella/day Company: Leading provider of IT services to one of the major Japanese banking group in the EMEA region, supporting one of Japan's largest banks and a g ...

    Finance BI Developer (12 Month FTC) | Power BI Lead

    The Role Saffery is undergoing a significant digital transformation in how we deliver business intelligence. As part of this, we are strengthening our Finance reporting capability with an additional BI resource focused on accelerating the delivery of financial reporting and KPIs over the next 12 ...

    Security Cleared Dynamics 365 F&O Developer | Power Platform

    A leading technology solutions provider is looking for a Dynamics 365 F&O Developer in London. This role includes customizing and configuring Dynamics 365 Finance & Operations, participating in the ERP implementation lifecycle, and developing financial modules to ensure high-quality data and transaction processi ...

    Remote UI Developer Intern Build Responsive Front End UIs

    A leading digital platform is seeking a motivated UI Developer Intern to join their front-end team in Greater London. This internship will provide valuable hands-on experience in creating user-friendly web applications, where you'll collaborate with designers and developers. Candidates should have a basic unders ...

    Senior .NET Developer – Greenfield, Remote UK, Path to Lead

    A leading global media company is seeking .NET Developers to work on an exciting new online application. You will collaborate with Microsoft consultants and receive industry-recognized training across a range of technologies including .NET, C#, and Azure SQL. There's a structured career progression to a Team Lea ...

    Full Stack .NET Developer – C#, Azure, REST API | Remote

    A global software innovator in London is seeking a skilled .NET Developer to join their dynamic team. In this role, you'll work on groundbreaking .NET and C# software products while enjoying the flexibility of remote work. The ideal candidate will have robust experience in .NET technologies, Azure, and enterpris ...

    FinTech Developer (Backend / Full Stack) – London / Amsterdam | Hybrid / Remote

    Looking for a passionate and skilled FinTech Developer to join a growing team. In this role, you will work on building secure, scalable, and high-performance financial applications that power modern digital finance solutions. You will be part of a fast-paced environment working on cutting-edge syst ...

    Junior C# Developer Hedge Fund up to £100k + bonus

    Ready to work side-by-side with quants and traders from day one? You’ll be joining an established hedge fund that, unlike many peers who have stayed steady, has spent the last two years aggressively investing in growth - building two brand-new trading platforms from scratch and continuing to scale thei ...

    Senior Front Office C#/.NET Developer – Live Trading Tools

    LevelUP HCS is looking for a Senior Software Developer (VP) in the Corporate Investment Banking sector. This hands-on role requires strong expertise in C# and .NET, with experience in trading environments. You will work closely with Front Office teams to develop real-time trading tools. Key requirements include ...

    Senior Business Developer, Nonprofits EMEA, AWS Global Nonprofit Business

    Senior Business Developer, Nonprofits EMEA, AWS Global Nonprofit Business Job ID: | AWS EMEA SARL (UK Branch) We are seeking a Senior Business Developer to accelerate revenue growth and deepen customer relationships for the AWS for Nonprofits business across EMEA. Based in London, you w ...

    Senior Software Developer with C# .Net and Fixed Income

    C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ide ...

    iOS Developer: SwiftUI for a Gamified Climate Action App

    The Climate App is seeking a skilled iOS developer to join their passionate team focused on climate action. This role involves developing an innovative iOS app that gamifies environmental efforts, aiming to create a global movement. Ideal candidates should have familiarity with SwiftUI and a strong commitment to ...

    Finance BI Developer: Power BI Dashboards & KPIs (12M FTC)

    Saffery Champness seeks a Finance Systems BI Developer for a 12-month FTC to enhance financial reporting capabilities. The role involves designing and delivering dashboards in Power BI, managing stakeholder relationships, and ensuring data governance. The ideal candidate should have extensive BI develo ...

    Lead Front End Developer – Luxury Ecommerce & A/B Tests

    Liberty. is seeking a Senior Front-End Developer for its Digital team in Greater London. The role involves leading front-end development across LibertyLondon.com and ensuring high-quality user experiences. Ideal candidates will have substantial experience in ecommerce, knowledge of Salesforce Commerce Cloud, ...

    Senior C# .NET Azure Developer – End to End Delivery

    Expleo is seeking a software developer to join our collaborative team in Greater London. You will be responsible for delivering high-quality systems, contributing to design and development while adhering to Agile methodologies. The ideal candidate will have a degree in Computer Science and experience with C# ...

    Software Developer with C# .net SQL Server and RPG

    Software Developer with C# .Net SQL Server and RPG Role Description This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer with expertise in C# .NET, SQL Server, and RPG, your responsibilities will include developing software ...

    Software Developer with C# Dot net SQL Server SSIS

    Software Developer with C# Dot Net asp.net with SQL Server SSIS SSRS Our Client is a bank based in Central London who are looking to recruit at least 7 years plus experience as a Data Engineer with the ability to work with C# Dot net and SQL Server with SSIS. You must have solid expertise ...

    Part Time Remote Mobile Game Developer Music & Fan Engagement

    A music industry startup is looking for a part-time Mobile Game Developer for a remote position. This role involves developing a range of mobile games centering on music and fan engagement. Ideal candidates should have experience in game design, a track record of successful mobile games, and a deep understanding ...

    Senior BI Developer Power BI, Fabric Lakehouse, Remote UK

    A leading global organisation is seeking a Senior BI Developer to join their expanding Group IT function. This role involves designing and optimising enterprise-wide BI solutions with Microsoft Fabric and Power BI, as well as mentoring junior developers. Candidates should have strong skills in SQL, Python, and B ...

    Quantitative Developer – High Performance Trading (C++/Python) – Hybrid London

    An elite algorithmic market making firm is seeking a talented Quantitative Developer to join their highly technical team in London. The role involves developing high-performance trading platforms and implementing quantitative models. Candidates should have experience with C++ or Python, strong system design skil ...

    UK Based Salesforce Contract Roles | Senior Developer, 4 Admins

    Offre activeMission publiée sur Laotop# UK-Based Salesforce Contract Roles | Senior Developer, 4 AdminsConsultez les informations essentielles de la mission, puis candidatez depuis votre espace freelance.## Description de l'offre**Objectif de la mission:** Recherche d'experts Salesforce pour des rôles à durée li ...

    TM1/PA Developer – Finance Systems (Hybrid, 12 Month FTC)

    Systems Accountants is seeking a Senior TM1 / IBM Planning Analytics Developer for a 12-month fixed-term contract. This hybrid role involves developing and enhancing TM1 solutions to support finance, reporting, and regulatory requirements. Ideal candidates will have over 5 years of experience in TM1 de ...

    Senior Footwear Product Developer Luxury, End to End Craft

    Burberry is hiring for a key position in Product Development to manage the end-to-end process in a collaborative environment. The ideal candidate will work closely with the Design team, ensuring that product designs are transformed into high-quality prototypes while maintaining effective vendor relationships. St ...

    iOS App Developer | Dev | Swift | SwiftUI for climate change!

    We’re looking for someone who cares about preventing the upcoming climate crisis and has the necessary skills to create a ground-breaking iOS app to join our existing iOS team. The Climate App is an environmental‑social app that helps people cut carbon by creating a movement of action through socia ...

    UI Focused Front End Web Developer for Voting Platforms

    Civica UK Ltd is seeking a candidate to set up and configure online voting and election-related sites using their bespoke Content Management System. The ideal candidate will have excellent knowledge of HTML and CSS, along with strong problem-solving skills. Responsibilities include preparing candidate statements ...

    European Power and Gas Quantitative Developer in London Gunvor

    European Power and Gas Quantitative Developer London, United Kingdom Posted 9 months ago Technology stack: SQL Databases, Quantitative, Python, Agile Key Requirements 3-5 years experience in a software development role Proficient in Python ...

    Python Quant Developer — Hybrid (London) for High Impact Trading

    Durlston Partners is seeking a Python Quant Developer in London. The role involves developing and maintaining a quantitative research environment for a global investment management fund. You will work on data acquisition, pricing of financial instruments, and enhancing existing systems with the goal of seeing pr ...

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