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About the Role
Databento is seeking a mid-level or senior individual contributor to join its core engineering team. This role involves implementing and maintaining the C# client library and contributing to performance-sensitive areas of the codebase.
Responsibilities
- Own and maintain the C# client library, ensuring robustness, testing, and ease of integration.
- Design, develop, and maintain high-performance server applications in C++.
- Write message parsers and feed handlers for direct market data feeds.
- Optimize codebase for high throughput (millions of messages/sec, 40+ Gbps) and low latency (nanoseconds).
- Implement tools and libraries for petabyte-scale data processing and analysis.
- Collaborate with the systems team on build, deployment, and CI/CD best practices.
- Implement monitoring and improve application uptime.
- Ensure smooth feature rollouts and updates.
Requirements
- 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.
- Strong proficiency in both C++ and C#.
- Experience with Java is a plus.
- Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces.
- Familiarity with open source best practices (release management, versioning, changelogs, issue triage, 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.
- 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.
Skills
- C++
- C#
- Java
- API Design
- Open Source Best Practices
- Systems Programming
- Algorithms
- Data Structures
- Multithreading
- Networked I/O
- Serialization
- CPU Architecture
- Kernel
- Compilers
- Multiprocess Environments
- lldb/gdb
- Performance Engineering
- Financial Data
- Algorithmic Trading
Location
- Remote
Work Type
- Remote
Experience Level
- Mid-level
- Senior
About the Company
- The financial industry is growing at a record pace, but our data providers are still stuck in the past — with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs.
- Databento is the market data platform for modern finance. The company provides real-time and historical data across futures, options, and equities through a unified API.
- By owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience.
- Our team includes alumni of Two Sigma, Citadel Securities, Flow Traders, Tower Research, PDT Partners, SIG, and other top quantitative firms.
Equal Opportunity
- Databento, Inc. provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity or expression, veteran status, or genetics. In addition to federal law requirements, we comply with applicable state and local laws governing nondiscrimination in every location where we operate. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Pursuant to applicable laws, we consider qualified applicants with arrest or conviction records. If you need an accommodation, please let us know.
- Our recruiting data suggests that underrepresented applicants often downplay their skills. Even if your experience doesn’t exactly match the qualifications listed, we still want to hear from you. Please apply!