Software Engineer (C++/Java)

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

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.We're looking for a midlevel or senior IC to join our core engineering team. You'll be responsible for implementing and maintaining our Java client library, and also working alongside our core engineering team on the most performance sensitive parts of our codebase.

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

Preferred background

• 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
• 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

We offer health, dental, disability, and life insurance benefits, as well as 401(k) matching for full-time employees. We accommodate 100% remote work, with teammates living around the globe and paid in their local currency.The base salary range for this role is $150,000-$250,000, benchmarked to Tier 1 locations in each country. Total compensation may also include bonuses, commissions, and equity, depending on the role.

--Databento, Inc. provides equal employment opportunities to all employees and applicants regardless of race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity or expression, veteran status, or genetics. We comply with federal, state, and local nondiscrimination laws in every location where we operate. This policy applies to all terms and conditions of employment, including recruiting, hiring, promotion, termination, layoff, recall, transfer, leave, 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.