Senior Software Engineer, Unified Platform - London

DRW; Greater London; On-site; GBP 62,000 - 102,000; Full time

Job summary

DRW, a diversified trading firm, is seeking a seasoned server-side developer for its London-based teams. You will design and build scalable systems across Java, Python, and Clojure, with a focus on micro-services, testing, and maintainability.

You will work on legacy and greenfield projects, leveraging Kubernetes, Docker, and modern data pipelines. The role demands strong problem-solving, domain modeling, and the ability to own outcomes in a fast-paced, collaborative environment.

Qualifications

• Several years of server-side development.
• Solid understanding of micro-service architectures and CAP theorem.
• Strong grasp of functional paradigms and type theory.
• Confident JVM knowledge.
• Proficiency in Java, Python, and Clojure.
• Experience with Airflow or other Python-based workflow orchestration tools.
• Proficiency in domain-driven design and domain modeling.
• Exposure to Kubernetes, Docker, Linux, Kafka, RabbitMQ, or git.
• Working knowledge of SQL, HTML, CSS, and JavaScript.
• Experience using AI coding assistants to accelerate development while owning the outcome.

Responsibilities

• Build systems with a constant focus on testing, reliability, scalability, and maintainability.
• Design, model, and program in a variety of languages and technologies.
• Work on legacy code as well as green field development.
• Take initiative and drive projects to completion.
• Learn and promote new technologies with a focus on best practices.
• Provide on-call support as needed.
• Sometimes work alongside other developers on the same task.

Skills

Java

Python

Clojure

Functional programming

JVM

Microservices

CAP theorem

Domain-driven design

Airflow

Kubernetes

Docker

Linux

Kafka

RabbitMQ

Git

SQL

HTML

CSS

JavaScript

AI coding assistants

MCP

Energy trading

Tools

Docker

Kubernetes

Airflow

Git

Kafka

RabbitMQ

Linux

Job description

Salary: £62,000 - 102,000 per year

Requirements:

• Multiple years of server-side development.
• A solid understanding of micro-service architectures and CAP theorem.
• A good understanding of functional paradigms and type theory.
• Confident JVM knowledge.
• Knowledge of modern programming languages, especially Java, Python, and Clojure.
• Experience with Airflow or other Python-based workflow orchestration tools.
• Proficiency in domain-driven design and domain modeling.
• Exposure to Kubernetes, Docker, Linux, Kafka, RabbitMQ, or git.
• Working knowledge of SQL, HTML, CSS, and JavaScript.
• Experience using AI coding assistants to accelerate development while owning the outcome.
• Exposure to agentic frameworks or MCP server development.
• Knowledge of financial concepts, exchange trading, or physical energy trading.

Responsibilities:

• Build systems with a constant focus on testing, reliability, scalability, and maintainability.
• Design, model, and program in a variety of languages and technologies.
• Work on legacy code as well as green field development.
• Take initiative and drive projects to completion.
• Learn and promote new technologies with a focus on best practices.
• Provide on-call support as needed.
• Sometimes work alongside other developers on the same task.

Technologies:

• AI
• Airflow
• CSS
• Clojure
• Docker
• Git
• Support
• JVM
• Java
• JavaScript
• Kafka
• Kubernetes
• Linux
• MCP
• Python
• RabbitMQ
• SQL

More:

We are DRW, a diversified trading firm with over three decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, and we operate using our own capital and trading at our own risk. Headquartered in Chicago, we have offices throughout the U.S., Canada, Europe, and Asia, and trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities, and Energy across major global markets. We have also leveraged our expertise and technology to expand into real estate, venture capital, and cryptoassets. We operate with respect, curiosity, and open minds, and we value high expectations, integrity, innovation, and a willingness to challenge consensus. Our Unified Platform (UP) consolidates data and technologies into a comprehensive solution that accelerates time to market, simplifies implementing new ideas, and enhances our competitive edge. Our development teams value rapid deployment and feedback, automated testing, and cohesive, transparent, lightly coupled service architectures. UP teams include domain engineering groups that build services and data products supporting a broad array of use cases, and we are passionate about finding the best team and role for each candidate through the interview process.

last updated 36 week of 2026