Remote C++/Java Engineer for High-Performance Market Data

Databento; Oregon; Hybrid; USD 150,000 - 250,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Disability insurance

Life insurance

401(k) matching

100% remote work

Job summary

Databento is hiring a midlevel to senior IC to own and maintain the Java client library and contribute to high-performance C/C++ server components. You will write parsers for direct market data feeds, optimize for ultra-low latency, and build tools for petabyte-scale data processing.

This is a remote-friendly role with exposure to real-time market data workflows. The team values deep systems knowledge, open source practices, and a strong emphasis on developer-friendly APIs.

Qualifications

• 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.
• Strong proficiency in both C/C++ and Java.
• Experience with C# is a plus.
• Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces.
• Familiarity with open source best practices, including release management, versioning, changelogs, issue triage, and backwards compatibility.
• Knowledge of systems programming, algorithms, data structures, multithreading, networked I/O, serialization, CPU architecture, kernel, and compilers.
• Experience working with multiprocess environments.

Responsibilities

• Own and maintain our Java client library, ensuring it is robust, well-tested, and easy for external users to integrate with.
• Design, develop, and maintain high-performance server applications in C/C++.
• Write message parsers and feed handlers for direct market data feeds from trading venues.
• Optimize existing codebase for high throughput (millions of messages per second, up to 40+ gigabits) and low latency (measured in nanoseconds).
• Implement tools and libraries for petabyte-scale data processing and analysis.
• Collaborate with the systems team to implement best practices for build, deployment, CI/CD.
• Implement monitoring and improve application uptime.
• Ensure smooth feature rollouts and updates.

Skills

Java

C/C++

C#

API design

Multithreading

Open source practices

Performance optimization

Communication

Tools

LLDB/GDB

CI/CD

Release management

Job description

Databento is hiring a midlevel to senior IC to own and maintain the Java client library and contribute to high-performance C/C++ server components. You will write parsers for direct market data feeds, optimize for ultra-low latency, and build tools for petabyte-scale data processing.

This is a remote-friendly role with exposure to real-time market data workflows. The team values deep systems knowledge, open source practices, and a strong emphasis on developer-friendly APIs.