Java 11+, Spring Boot, microservices, event-driven architecture, Terraform, and cloud platforms (Azure, AWS, or GCP). The team builds post-trade technology solutions including business-critical applications, APIs, client reporting platforms, and web portals for capital markets. You will mentor developers and contribute to architectural decisions.

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.

bp★3.8 (5.2k)· London

Work hands-on with Python, SQL, C#, Spark/PySpark, Palantir Foundry, planlogic EOS ETRM, Stonebranch, and AWS to build and maintain backend services, RESTful APIs, front-end components, and data pipelines. You will support bp’s LNG Energy Trading and Risk Management applications, including bespoke solutions for trade capture, operations, analytics, risk, reporting, and finance. This Staff Engineer role also includes mentoring and line management of the engineering team.

JPMorgan★3.9 (20k)· London

Lead projects on the Strategic Index Technology team, using Python, Java, C++, or C# to build and maintain the cross-markets index platform alongside Quantitative Research, Trading, and Sales.

T. Rowe Price★3.6 (709)· London

SQL, Excel, Jupyter notebooks, Jira, and Confluence are used. The role partners with the Fixed Income Investments technology team to build next-generation cloud-first portfolio management capabilities for front office engineering teams.

You will work with Go and/or Python, plus Kubernetes, Docker, and cloud infrastructure. You'll support a systematic cryptocurrency trading team by maintaining live production trading and research systems, and helping to deploy strategies.

Use Core Java, Spring, Linux, relational databases, and multi-threading to build and maintain front office eTrading applications for Fixed Income and Derivatives flows. You will work directly with traders, sales, and quants in a globally distributed team, optimizing performance and supporting low-latency solutions.

Python, SQL, Git, and logging/monitoring tooling for distributed systems and large-scale data processing. The Quant Developer builds scalable research and trading platforms alongside quantitative researchers in a global systematic hedge fund.

Adaptive Financial Consulting★5.0 (1)· London

You will work with Core Java, Java 17+, FIX protocol, and event-driven architecture in cloud-based environments. You will help design and deliver front-office trading technology solutions (OMS, EMS, exchange systems, matching engines) for capital markets clients.

Adaptive Financial Consulting★5.0 (1)· London

Java, Spring, Cucumber, JUnit, GitHub, FIX Protocol, and Aeron are key technologies. The role is within a financial consulting firm that designs and delivers front-office technology solutions for capital, commodity, and digital market participants. This is a contract position, outside IR35, in the Fintech sector.

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 Java 11+, Spring/Spring Boot, Microservices, TDD/BDD (JUnit, Spock, Mockito), Git, Maven, and CI/CD on a cloud platform (AWS, Azure, or GCP). The role involves building and evolving a post-trade technology platform — including in-house systems, APIs, and client portal — for a specialist post-trade clearing and prime brokerage firm. You will also manage and mentor a small team of Java developers.

S&P Global★3.9 (1.7k)· London

The role uses SQL, Python, Snowflake, Databricks, Spark, AWS, Azure, and Azure DevOps. It designs data pipelines and integration workflows for market data ingestion into risk analytics products that measure market risk, counterparty credit risk, and regulatory capital.

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.

Core Java, Spring Framework, Linux, and relational databases for low-latency eTrading applications on a globally distributed team building the next generation Front Office Trading System for Fixed Income and Derivatives flows.

UBS★3.8 (2.5k)· London

You will work with Python, Airflow, Prefect, Azure (AKS, EventHub, Terraform), Delta tables, DuckDB, Apache Spark, PostgreSQL, KDB, Docker, Kubernetes, JupyterHub, PowerBI, Streamlit, Marimo, and Java. You will lead the Credit Principal Algo Data team within UBS Global Markets, building and enhancing the trading analytics platform for automated eCredit trading.

Morgan Stanley★3.8 (5.4k)· London

You will work with Java, HTML5, Angular, REST, FIX, CI/CD, and generative AI. The team builds document and workflow automation solutions for Morgan Stanley’s institutional equity derivatives platform, which processes structured products and OTCs. This VP-level role leads a globally distributed engineering team.

Work with Java 21, Spring Boot, Spring Cloud, ReactJS, Microsoft Azure, Kafka, JMS, REST APIs, microservices, and CI/CD. You'll contribute to FX platform modernisation programmes, transforming legacy systems into cloud-native architectures within a financial services consultancy.

Java, Spring Boot, DevOps, and Linux are used to design and develop front office eTrading applications for the trading business, working directly with traders, sales, and quants. The role is part of a globally distributed team.

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.

Java, Spring Boot, microservices, cloud, TDD/BDD (JUnit, Spock, Mockito), and CI/CD tools (GitHub, Azure DevOps, Jenkins). You will build and evolve a post-trade clearing and prime brokerage platform, including in-house systems, APIs, and a client web portal. The role includes managing a small Java team and has an explicit pathway to Head of Engineering within 24 months.

Use TypeScript, ES6, HTML5, advanced CSS, RxJS, and optionally Angular+NgRx or React+Redux. Build a next-generation SPA platform for high-performance derivatives trading in a front-office investment bank environment.

JPMorgan★3.9 (20k)· London

Work with Python, Java, and relational databases to build and enhance pricing, trading, and risk systems for the Credit Technology team within JPMorgan’s Commercial and Investment Bank.

Work with C# or Java, SQL, and Python scripting within the Jetstream ecosystem, integrating SonarQube to improve code quality. As part of the front-office technology team, you will develop and enhance systems for FX trading, automate release notes, and build dynamic web pages for streaming indicative prices.

Morgan Stanley★3.8 (5.4k)· London

Work with Scala, Java, and Python on a front-to-back trading and risk management platform for the Commodities division at Morgan Stanley. You will design and build systems supporting pre-trade pricing, trade lifecycle, risk management, and market data. This is a VP-level role on a global team.