Senior Staff Engineer, Real-Time Trading Platform

topsteptrader; United States; Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Company-paid holidays

Health, dental, and vision insurance

401(k) matching

Remote or hybrid work options

Job summary

Topstep is seeking a Staff Software Engineer to be the go-to technical leader for our trading platform. You will own end-to-end system design for real-time trading, market data delivery, and broker integrations, using a modern .NET stack and cloud-native services.

You’ll mentor engineers, shape engineering standards, and drive architecture decisions across teams while balancing reliability, performance, and evolving business needs.

Qualifications

• 8+ years of software engineering experience building and shipping production systems at scale.
• Proficiency in C# and the .NET ecosystem.
• Experience with React/TypeScript frontend.
• Experience designing service boundaries and API versioning in a microservices or modular architecture.
• Extensive experience building distributed, high-availability systems with asynchronous, event-driven communication.
• Deep database experience with PostgreSQL or SQL Server, including schema design and query optimization.
• Observability tools and distributed tracing in production environments.
• Proven track record of owning production systems, including debugging and incident response.
• Experience with Docker and AWS.
• Strong testing mindset and ability to mentor engineers.
• Ability to balance technical debt with feature delivery and communicate trade-offs.

Responsibilities

• Design and build services and APIs powering core trading platform capabilities.
• Own initiatives end-to-end from technical design through production deployment, monitoring, and iteration.
• Collaborate with product and design to translate user needs into scalable, maintainable technical solutions.
• Contribute to system architecture decisions and establish patterns for other teams.
• Write clean, well-tested code with emphasis on reliability and performance.
• Participate in on-call rotations, respond to incidents, and improve system reliability.
• Build observability into systems through metrics, logging, and tracing.
• Occasionally work across the stack including React/TypeScript frontend.
• Mentor engineers through code reviews and pairing, sharing knowledge on design and best practices.
• Balance technical debt against feature delivery considering business priorities.

Skills

C# & .NET

Distributed systems

Microservices

React/TypeScript frontend

Cloud platforms

Tools

Docker

Kubernetes

PostgreSQL

SQL Server

AWS

Job description

Topstep is seeking a Staff Software Engineer to be the go-to technical leader for our trading platform. You will own end-to-end system design for real-time trading, market data delivery, and broker integrations, using a modern .NET stack and cloud-native services.

You’ll mentor engineers, shape engineering standards, and drive architecture decisions across teams while balancing reliability, performance, and evolving business needs.