C++ Software Engineer

Fintal Partners; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Fintal Partners is hiring experienced C++ Software Engineers to build highly performant, latency-sensitive systems for its global trading environment. This core engineering role blends system-level work with challenging optimizations across C++, Linux, networking, CPU performance, and distributed systems.

You will own critical components, collaborate with technical teams, and contribute to a robust trading infrastructure.

Qualifications

• 2+ years of professional software engineering experience.
• Strong experience with modern C++.
• Solid CS fundamentals.
• Experience in Linux/UNIX environments.
• Knowledge of systems performance, networking, concurrency, or distributed systems.
• Strong debugging and problem-solving abilities.
• Ability to reason about software at architectural and implementation levels.
• Interest in performance optimization for technically challenging systems.

Responsibilities

• Build and optimize high-performance C++ systems.
• Develop low-latency market data, execution, and trading infrastructure.
• Profile and optimize production code for latency and throughput.
• Work with Linux, networking, and performance-critical systems.
• Improve system and processor-level performance.
• Build scalable infrastructure for technical and research workflows.

Skills

Years of experience

Modern C++

CS fundamentals

Linux/UNIX

Systems performance

Networking

Debugging

Architectural thinking

Performance optimization

Job description

We are partnered with a leading quantitative trading firm looking to hire experienced C++ Software Engineers to work on highly performant, latency-sensitive systems supporting its global trading environment.

This is a core engineering role for someone who enjoys working close to the system level and solving challenging problems across C++, Linux, networking, CPU performance, and distributed systems.

What You’ll Work On:

• Building and optimizing high-performance C++ systems
• Developing low-latency market data, execution, and trading infrastructure
• Profiling and optimizing production code for latency and throughput
• Working with Linux, networking, and performance-critical systems
• Improving system and processor-level performance
• Building scalable infrastructure supporting technical and research workflows

Engineers have significant ownership and work closely with other highly technical teams to design, build, optimize, and troubleshoot production systems.

What They’re Looking For

• 2+ years of professional software engineering experience
• Strong professional experience with modern C++
• Strong understanding of computer science and software engineering fundamentals
• Experience working in Linux/UNIX environments
• Knowledge of systems performance, networking, concurrency, or distributed systems
• Strong debugging and problem-solving ability
• Ability to reason about software at both the architectural and implementation level
• Interest in performance optimization and technically challenging systems

The Opportunity

You’ll join an engineering-driven environment where software performance has a direct and measurable impact. The problems span everything from application-level architecture down to operating systems, networking, CPU behavior, and hardware interaction.