Real-Time Market Data Systems Engineer (C/C++/Rust) Remote

Databento; Salt Lake City (UT); On-site; USD 120,000 - 190,000; Full time

Job summary

Databento, a market data platform for real-time and historical data, is seeking a midlevel or senior IC to join its core engineering team. You’ll work on high-performance server code in C/C++ and Rust, handling market data feeds and optimizing throughput and latency.

You will contribute to building scalable infrastructure, tooling, and deployment practices, collaborating with systems to ensure uptime and smooth feature rollouts.

Qualifications

• 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.
• Strong proficiency in C/C++ or Rust.
• 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.
• Good communication skills and work ethic for a remote workplace.
• An interest in low-level optimization and performance engineering.
• An interest in financial data or algorithmic trading.

Responsibilities

• Design, develop, and maintain high-performance server applications in C/C++ and Rust.
• 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

C/C++

Rust

Multithreading

Networked I/O

Systems programming

Algorithms

Data structures

Kernel

Compilers

Multiprocess environments

GDB/LLDB

Tools

LLDB

GDB

Job description

Databento, a market data platform for real-time and historical data, is seeking a midlevel or senior IC to join its core engineering team. You’ll work on high-performance server code in C/C++ and Rust, handling market data feeds and optimizing throughput and latency.

You will contribute to building scalable infrastructure, tooling, and deployment practices, collaborating with systems to ensure uptime and smooth feature rollouts.