You will work with Python, JavaScript, SQL, Kafka, AWS/Azure, PostgreSQL, SQL Server, ClickHouse, and MongoDB. The team designs and delivers real-time, high-performance trading systems for Energy & Commodities, integrating market data, risk, and front-to-back office workflows.

Java (JDK 11+), multithreading, SQL/NoSQL databases (Oracle, MySQL, PostgreSQL, MongoDB, Cassandra), message queuing (Kafka, Tibco, Solace), Linux, JVM, and TDD. This tech lead role builds high-performance FX risk calculation systems for Citi’s Markets technology team, which supports global trading and risk management.

ExxonMobil★3.9 (5.7k)· London

Work as a Full Stack Developer using Python, Node.js, React or Angular, SQL/PostgreSQL/MongoDB, and cloud platforms like Azure/AWS/GCP. You will build and maintain scalable web applications, APIs, dashboards, databases, and data pipelines to support ExxonMobil's Global Trading organization's commercial and trading activities.

You will work with front-end technologies (HTML, CSS, JavaScript, React, Angular), back-end (Python, Node.js), databases (SQL, PostgreSQL, MongoDB), and cloud platforms (Azure, AWS, Google Cloud). You will design and maintain applications supporting commodity trading, market analysis, and risk management within ExxonMobil's Global Trading organization.

ExxonMobil★3.9 (5.7k)· London

Full stack developer using React or Angular, Python or Node.js, SQL/PostgreSQL/MongoDB, and cloud platforms (Azure, AWS, Google Cloud). Builds and maintains web applications, APIs, and data pipelines supporting commodity trading, market analysis, and risk management within ExxonMobil’s Global Trading organization.

Senior C# .NET Developer working on high-performance applications for Global Markets IT. You will use C#, .NET, MS SQL, and DevOps/CI/CD tooling to build event-driven architectures supporting XVA, Liquidity and Financial Resource Management, collaborating with Front Office stakeholders.

You will work with Playwright, JavaScript, TypeScript, automation frameworks and CI/CD pipelines on a strategic front‑office derivatives trading platform, embedded within the bank’s Front Office Derivatives Technology team.

Grid Dynamics★3.4 (19)· London

Build high-performance React and TypeScript trading applications using WebSockets, RSocket, and streaming market data. Work within an embedded team modernising a Tier 1 investment bank’s electronic trading platforms, migrating legacy Angular apps to React. Collaborate with backend Java engineers on mission-critical front-office systems.

TP ICAP★3.1 (34)· London

You will work with React, TypeScript, C#, .NET, Java, SQL, GitLab, CI/CD, and AWS. As part of the Equities technology team, you will contribute to front-end and back-end software for internal broking users and external customers.

Build UI components using React.js, TypeScript, JavaScript, HTML5, CSS3/SASS, and state management tools. You will join the Global Markets Technology team at a leading investment bank, designing responsive, data-driven interfaces for trading, risk, and analytics platforms.

Work with React (or similar JavaScript frameworks), Python, Go, or Java, building APIs with REST, gRPC, NATS, AMPS, or Kafka, and handling data/storage layers. You will own end-to-end features for the firm’s proprietary trading and risk platforms, supporting real-time pricing, risk management, and execution across global commodities markets.

Jump Trading★3.8 (11)· London

As a core development intern, you will design, code and test the firm's distributed trading system using C++ and Python on Linux, with Git for version control, and gain experience with Agile methodologies. The team builds and maintains Jump Trading's world-class low-latency trading platform and infrastructure.

Visa★3.9 (1.2k)· London

You will work with Java, microservices, Kafka, Kubernetes, MySQL, and event-driven architecture on the FX Client Pricing and Risk team at Visa, building a platform that abstracts foreign exchange complexities behind a simple API for frictionless currency exchange.

You will work with Python, React/TypeScript, REST APIs, SQL, Snowflake, and AWS RDS. The role supports Jain Global’s compliance function by building tools for trade compliance, surveillance, and regulatory reporting.

Visa★3.9 (1.2k)· London

You'll build and maintain mission-critical foreign exchange trading services—pricing engines, risk management systems, and market data providers—for Currencycloud's API that has processed over 50 billion USD in cross-border transactions. The FX Routing and Aggregation team uses Java 11+, Spring Boot, AWS, Kubernetes, Kafka, and SQL databases to power real-time, high-throughput FX trading microservices handling billions in transactions, with mentoring responsibilities for junior engineers.

TP ICAP★3.1 (34)· London

Lead a cross-functional engineering team delivering Front Office solutions for Rates & FX trading at TP ICAP, a major financial market infrastructure provider. You'll work with C#/.NET Core, REST/GraphQL APIs, relational databases (MSSQL/MySQL), AWS/Azure cloud deployment, and distributed event-driven systems in an Agile environment. The role requires managing team delivery, setting engineering standards across regions, and maintaining full SDLC accountability.

JPMorgan★3.9 (20k)· London

You'll develop and maintain production systems for Equity Derivatives front-office workflows at JPMorgan, using Python, Java, JavaScript/TypeScript, Spring Boot, Hibernate, and JUnit within large-scale enterprise environments. You'll own critical system reliability, architect complex applications, drive user acceptance testing for pricing and risk workflows, and lead team adoption of AI-assisted development practices while collaborating across front office, operations, and technology functions.

Old Mission Capital, a proprietary trading firm, seeks a Python Software Engineer with 3+ years of production experience to refine and advance trading systems and mission-critical applications. You'll work with Python on Linux, relational databases like PostgreSQL or MySQL, and collaborate with quants, traders, and research teams to enhance system adaptability and scalability across multiple asset classes.

Hudson River Trading★4.5 (2)· London

You'll build backend processes and UIs using Python and React for Hudson River Trading's trading and research infrastructure. Work on either the platform team supporting distributed-compute frameworks for model training across the compute cluster, or the acceleration team building trading oversight tools, risk assessment dashboards, and strategy research capabilities directly with algo developers and traders.