Software Developer Pythonreact Jobs in London, UK

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Senior Rates Real Time Risk Developer

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, ...

Senior Quant Developer: Derivatives Risk & IMM

Talensa Partners is looking for a Quantitative Developer in London. This role is key for maintaining and enhancing Derivatives risk - Initial Margin Model (IMM) and analytics infrastructure. Candidates should have strong programming skills in Python, knowledge of risk modeling, and a Master's in a quantitative d ...

Quantitative C++ Developer – Rates & Credit Derivatives

HSBC is seeking a C++ Developer to join their Fixed Income Currencies and Commodities (FICC) Quants team in London. The candidate will assist in designing and implementing pricing and risk infrastructure, supporting quantitative modellers, and developing necessary tooling. Required qualifications include 3-7 yea ...

HFT Quantitative Developer Graduate – Onsite London

Queueco in Greater London is searching for a bright graduate to join as a quantitative developer focused on High-Frequency Trading. The role involves working with traders and researchers to understand market data and develop low-latency solutions. A Bachelor’s or Master's degree in a relevant field is required, ...

Senior Ruby Developer Remote, Performance & Scalability

Opus Recruitment Solutions is seeking a Senior Ruby Developer for a remote role to optimize a Ruby on Rails application. The position lasts for an initial 3-month contract with a high likelihood of extension. Responsibilities include identifying performance bottlenecks, improving application scalability, and del ...

Senior Python Developer in London GroupM

Qualifications Proven experience and a passion for developing and operating data-oriented solutions Experience in AdTech technology highly desired Tools and Technologies The ideal candidate should have experience with the following tools and technologies: ...

Senior UI Developer £165k + Bonus London

Our client is a rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets . Their platform powers modern, high-performance trading infrastructure used by participants operating in fast-paced global financial markets. You’ll be joining a ...

Senior Python Developer – eTrading & FIX Connectivity

DXC Luxoft is partnering with a major commodity trader to build out their eTrading capability . Our client plans to trade against a bespoke risk‑neutral model that identifies key risk factors within specific portfolios. We are seeking a Python specialist with expertise in eTrading ...

Lead Python Developer eTrading & FIX Systems

Luxoft is seeking a Python specialist with expertise in eTrading and FIX connectivity to build systems for a major commodity trader. Responsibilities include automating order execution, developing integration applications, and integrating with trading technologies. The ideal candidate has over 10 years of experi ...

Lead Node Developer Tech Scale up

Lead Node Developer / Backend Engineer (Node.js Postgres AWS) London / WFH to £100k Would you like to join a scale‑up technology company in an influential role where you can take ownership and see the business impact of what you do? You could be progressing your career as a Lead Node Develo ...

Webflow Developer / Front End Engineer London

About the Role This role sits within our Marketing Website team, responsible for how Synthesia shows up to millions of users globally. As a Webflow Developer / Front-End Engineer, you’ll work across Webflow, front-end code, and supporting tooling. You’ll collaborate closely with Des ...

Senior Salesforce Developer — Lightning, Apex & DevOps

Falcon Smart IT (FalconSmartIT) is seeking a skilled Salesforce Developer in Greater London, UK. This role requires extensive experience with Salesforce implementations, particularly in customization and technical solutions using Salesforce Lightning and associated tools. The ideal candidate will have a solid un ...

Full Stack Desk Developer (Python/React)

Job Description We are hiring for a Full Stack Developer, working closely with a wide range of business lines. You will be given the opportunity to work with technical and non‑technical experts and develop innovative solutions, and full‑stack applications used globally across a wide range of comm ...

Product Developer: Accessories & Clothing (Rapid Launch)

Y2K Vintage, a fast-growing vintage retail company in Greater London, is seeking a Product Developer for Accessories & Clothing. In this hands-on role, you will lead the development of small-scale product categories, managing the entire production process from concept to launch. Ideal candidates will have at lea ...

Lead Developer AI First Frontend & Platform

Trinity College London is seeking a Lead Developer for a small innovation team focusing on AI-driven music and language teaching products. This role involves enhancing a pilot codebase and collaborating with AI, DevOps, and Data specialists. Applicants should have expert knowledge in ReactJS and Next.js, strong ...

Sr Python Developer – Trading / Risk Platforms

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities <ul ...

Hybrid C# .NET Developer — Banking Projects

Adecco is seeking a C# .Net Developer to join their banking client in Canary Wharf. This hybrid role involves designing robust applications using C# and .Net frameworks, collaborating with teams, troubleshooting existing applications, and participating in code reviews. Candidates must have proven experience in C ...

Senior Earnix Developer Insurance Pricing Architect

EXL is seeking a Data Management and Analytics Developer to lead Earnix pricing solutions implementation in their Insurance business. The ideal candidate will have over 5 years of experience in insurance technology, with a strong background in Earnix systems, cloud technologies, and APIs. The position offers a c ...

Java Developer with Apache Struts Migration

Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, ...

Full Stack Applications Developer | Lead Delivery

Synaxia Group in Greater London is looking for an Applications Developer to work across the full stack, including ASP.NET MVC, SharePoint, SQL, and React. This role involves designing and building web applications, optimizing databases, and mentoring team members. Ideal candidates have over 3 years of experience ...

Senior SharePoint Administrator & SPFx Developer – Hybrid

Eutopia Solutions is seeking a Senior SharePoint Administrator in London for a hybrid position. The role involves designing and developing SharePoint environments, leading migrations from SharePoint 2016 to modern platforms, and managing system administration tasks. Strong hands-on experience with SharePoint SE, ...

Quantitative Developer, Risk Tech — Python & AWS

Millennium is seeking a Quantitative Developer to join our Risk Technology team in London. The successful candidate will leverage their skills in Python, AWS, and data manipulation to provide risk managers with data-driven insights on our fund's risk profile, specifically related to technology and data science. ...

Store Leader & Talent Developer (Fashion Retail)

Urban Outfitters is seeking a Store Manager in Greater London. The successful candidate will be responsible for overseeing store operations, managing a large team, and supporting the Store Manager to achieve both short and long-term goals. Responsibilities include team recruitment, performance management, and en ...

RPA Automation Developer Azure & Power Automate

Qualifications: Strong knowledge and experience with programming languages (e.g., Java, Python) Proficiency in web technologies (e.g., HTML, CSS, JavaScript) Familiarity with relevant technologies (e.g., XML, XSD) Skills: Experience in usi ...

Lead Quantitative Developer Python, Algo Trading

Geo Alpha is seeking an experienced quantitative developer to join our London team. This role requires proven expertise in Python development within data-intensive environments, particularly in Algorithmic Trading and Machine Learning. The successful candidate will design and maintain trading infrastructure, imp ...

Product Developer (Powder Blends or Beverages)

Job Title: Product Developer (Powder Blends or Beverages) Reports to: Technical & Product Manager Works With: NPD, Operations, Marketing, Commercial, Supply Chain & Manufacturing Partners Employment Eligibility: Must have full right to work in the UK - No VISA sponsorship R ...

Quantitative Developer Intern — Platform & Trading Tech

Qube Research & Technologies is offering an internship for a Quantitative Developer in Greater London. This program lasts from 5 to 6 months starting in 2026, aimed at penultimate or final-year students of Bachelor's or Master's programs. Interns will work on engineering solutions for quantitative research, deve ...

SharePoint & .NET Applications Developer Hybrid London

Eutopia Solutions is seeking an Applications Developer for their London team. This role is ideal for someone skilled in the Microsoft stack, particularly in SharePoint development and ASP.NET. You will design, develop, and support internal business applications and collaboration platforms, focusing on SharePoint ...

Senior Front Office Developer Systematic Trading

Fasanara Digital was established 7 years ago and is the crypto arm of Fasanara Capital, a 14 year‑old boutique alternative asset manager. We are a Quantitative Investment fund applying a scientific approach to investing in crypto assets. Our goal is to achieve exceptional risk‑adjusted returns. We pursue a ...

Lead Site Reliability Developer CSRE Consulting

Job Summary Lead Site Reliability Engineer – CSRE Consulting Location: London, United Kingdom Division: Ticketmaster UK Limited Line Manager: Engagement Lead, CSRE Consulting Contract Terms: Permanent, 40 hours per week Role Overview As a Lead Sit ...

UI Developer, Macro Front Office Technology

A Career with Point72’s Technology Team As Point72 reimagines the future of investing, our Technology team is constantly evolving our firm’s IT infrastructure and engineering capabilities, positioning us at the forefront of a rapidly evolving technology landscape. We’re a team of experts who expe ...

Senior Quant Developer (Python) Systematic Trading

Some firms talk about impact. This one is built around it. Tempest Vane Partners is working exclusively with a top-tier systematic macro hedge fund – one of Europe’s most respected names in the space – to find an exceptional Quantitative Developer for their London-based Alpha Technology team. <p ...

Back End Developer Java Spring Boot

Backend Developer - Java, Spring Boot - Start Up We are hiring a talented Mid Level Backend Developer to out growing team in London. Hybrid working 1-2 days in office and rest remote 3-6yrs hands on back end development using Java and Spring Boot Prior experience working in ...

Anaplan Architect & Developer: Financial Planning Pro

Resource Informatics Group, Inc is seeking an experienced Anaplan Architect/Developer based in Canada. The role involves designing and building scalable planning solutions with a focus on Integrated Financial Planning (IFP). Candidates should have over 5 years of experience with Anaplan, strong financial plannin ...

Senior PMM: Developer Platform & API Ecosystem

A leading technology company in London is looking for an experienced Senior Product Marketing Manager. The role emphasizes driving adoption of the developer ecosystem. Candidates should have over 5 years of product marketing experience, strong communication skills, and a solid understanding of API and technical ...

Scala/Java Developer — Fintech & Blockchain (London)

Scala / Java Developer Fintech / Blockchain Cryptocurrency London, United Kingdom Quant Capital is urgently looking for a Scala, Functional Developer, or Java Developer to join our team. If you are an exceptional programmer in any language, please apply! £100,000 pa + b ...

Quantitative Developer – Systematic Hedge fund £400k

Overview Quantitative Developer – Systematic Hedge Fund – £400k Paragon Alpha are partnered with a top performing Quant Hedge Fund currently managing around $30b in AUM. They are looking to hire a Quant Developer to build mid-frequency trading infrastructure and a signal generation framewor ...

Java Developer Fixed Income (Hybrid, London)

A financial services firm in London is seeking a skilled Java Developer with extensive experience in Capital Markets and Fixed Income Products, including hands-on work with FIX Protocol and SQL. Candidates must have over 8 years in the industry and a strong proficiency in Java and Git. The role offers a hybrid w ...

Salesforce Developer: AI Driven LWCs & Integrations

A leading property technology company in the UK is seeking a Salesforce Developer to enhance efficiency and effectiveness in a cross-functional Agile team. You will create innovative solutions, maintain Salesforce applications, and collaborate closely with product teams. Ideal candidates have strong Salesforce e ...

Senior Salesforce Developer Platforms & Experience Cloud

A global payments technology provider is seeking an experienced Salesforce Developer to enhance their Salesforce organization. The ideal candidate will have at least 4 years of Salesforce Development experience and will be responsible for analyzing complex requirements, supporting system architecture, and collab ...

Senior Azure Cloud Full Stack Developer

Introduction At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for t ...

Remote Graduate .NET Developer – Training & Growth

A leading financial institution is seeking a Graduate .NET Developer to join their innovative team in London. You will design and develop a state-of-the-art investment banking application, working with cutting-edge technologies such as .NET, C#, and Azure. The company offers extensive training programs and caree ...

SAS Developer London, UK Remote Working

About the job SAS Developer - London, UK - Remote Working Job Location: This is a 6-month contract role inside IR-35 in London, working exclusively for a well-known consulting company. Due to Covid-19, this role will be based as remote working in London. Your role as an experienc ...

Senior C# Developer – Analytics & Risk Platforms

A global financial services firm in London is seeking a Senior C# Developer for its Analytics Development Team. The role involves developing advanced pricing and risk platforms that support quantitative research and trading. Candidates should have strong C# skills and familiarity with financial markets. The posi ...

Senior C# Developer FX & Orchestrade Expert

A global consulting group is seeking an experienced Senior C# Developer to join their team in Greater London. This role requires deep experience in FX products and the Orchestrade trading platform. The successful candidate will be responsible for designing and developing solutions for trading and risk functions ...

Senior Solutions Engineer, Developer Security (EMEA)

A leading cybersecurity firm in London is looking for a Senior Solutions Engineer to bridge the product and customer relationship effectively. This role will involve driving technical adoption of the developer security platform, leading sales engagements, and collaborating with partners to enhance their offering ...

Senior Salesforce Developer Service & Marketing Cloud

A leading recruitment agency in London is seeking a Senior Salesforce Developer to enhance their Salesforce capabilities. The ideal candidate will have hands-on experience in Salesforce development, expertise in Apex, Lightning Web Components, and a solid understanding of Salesforce's data architecture. This rol ...

Senior React + TypeScript Developer (Stock Options)

A dynamic sports technology startup in London is seeking a Senior React.js and TypeScript Developer. The role involves developing new features for a web SDK and Twitch Extension in a fast-paced environment, requiring strong proficiency in JavaScript and React.js. Ideal candidates should have over 3 years of rele ...

Impactful React Native Developer – FinTech (London)

A well-established trading brokerage in London is looking for a talented React Native Developer to join their growing technology team. You will play a key role in building innovative trading applications, taking ownership of the project and utilizing your expertise in mobile app development. This is a full-time ...

Sr React Developer Equities Vice President

LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 03/16/2026, 10:48 AM Locations 25 Bank Street, Canary Wharf, London, Greater London, E14 5JP, GB <l ...

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