Software Engineer (C++/Java)

5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.

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.

Comfortable with lldb/gdb.

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.

Be cautious of phishing scams impersonating Databento that offer fake job interviews and request purchases. Official emails come only from

@databento.com

or

us.greenhouse-mail.io

(our ATS). Any other domains (e.g., databento-careers.com, databento.online) are fraudulent.

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