Remote Senior C++/C# Engineer — Real-Time Market Data

Databento; Town of Boston (NY); Remote; USD 140,000 - 210,000; Full time

Job summary

Databento is a remote-friendly data platform powering real-time and historical market data for futures, options, and equities. We seek a midlevel to senior IC to own our C# client library and contribute to high-performance C++ server code, with a focus on low latency, throughput, and scalable data processing.

You’ll work alongside a tight-knit engineering team to deliver robust APIs, battle-tested components, and reliable data feeds, while embracing remote collaboration and modern deployment

Qualifications

• 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.
• Experience designing APIs with intuitive, developer-friendly interfaces.
• Knowledge of systems programming, algorithms, data structures, multithreading, networked I/O, serialization, CPU architecture, kernel, and compilers.
• Familiarity with release management, versioning, changelogs, issue triage, and backwards compatibility.
• Good communication skills and ability to work in a remote team.

Responsibilities

• Own and maintain our C# client library, ensuring it is robust, well-tested, and easy for external users to integrate.
• Design, develop, and maintain high-performance server applications in C++.
• Write message parsers and feed handlers for direct market data feeds from trading venues.
• Optimize existing codebase for high throughput and low latency.
• Implement tools and libraries for petabyte-scale data processing and analysis.
• Collaborate with the systems team to implement build, deployment, and CI/CD best practices.
• Implement monitoring and improve application uptime.
• Ensure smooth feature rollouts and updates.

Skills

C++

C#

Java

API design

Multithreading

Performance optimization

Open source practices

Job description

Databento is a remote-friendly data platform powering real-time and historical market data for futures, options, and equities. We seek a midlevel to senior IC to own our C# client library and contribute to high-performance C++ server code, with a focus on low latency, throughput, and scalable data processing.

You’ll work alongside a tight-knit engineering team to deliver robust APIs, battle-tested components, and reliable data feeds, while embracing remote collaboration and modern deployment