Senior Software Engineer - Data Integration in London

Job Location: London

Employment type: Regular

Department: Technology

Targeted Start Date: Immediate

DRW is a diversified trading firm with over 3 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, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters—it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus.

As a Senior Software Engineer on our Platform Data-Integration team, you will play an integral role in building systems and tools that allow users to discover and share data across the DRW organization. You will work alongside individual Traders, Quantitative Researchers, and Back-Office personnel to best utilize the firm’s data and platform tools.

What you will do in this role:

• Design and deliver software services and data tools that expand the data delivery capabilities of DRW’s Data Platform.
• Define architectural patterns, standards, and technology decisions for the team. Apply these decisions to new solutions, as well as to evolve legacy systems.
• Collaborate with teams across the organization to enable standardized data access.
• Apply platform thinking to solve problems in a repeatable way at scale with standard 3rd party, open source, and in-house toolsets.
• Develop AI workflows to improve team processes and accelerate feature delivery.

What you will need in this role:

• 8+ years of experience designing, developing, and delivering data-heavy software services.
• Excellent written and verbal communication skills.
• Proven ability to work in a collaborative, agile, and fast‑paced environment, prioritising multiple tasks and projects, and efficiently handle the demands of a trading environment.
• Strong technical problem‑solving skills.
• Comfort working within a globally distributed team.
• Expertise in Python, Java, or C#.
• Expertise in multiple programming paradigms, design patterns, and refactoring.
• Experience with multiple data storage technologies (e.g. RDBMS, NoSQL, Cassandra, Kafka, etc.) and knowledge of their associated trade‑offs.
• Experience designing software in multiple architectural styles (e.g. Service‑Oriented, Event‑Driven, Monolithic, etc.).
• Experience building distributed systems which include load balancing, horizontal scaling, and data processing.
• Experience confidently discussing trade‑offs between different technology and architectural choices and driving them to consensus.
• Experience with multiple data formats and serialization systems (e.g. Protobuf/gRPC, Avro, Thrift, JSON, etc.).
• Experience owning products end‑to‑end, from requirements through operations.
• Experience responding to, managing, and resolving incidents.
• Experience managing and observing workloads in a Kubernetes environment.
• Experience mentoring junior software engineers.