Senior Software Engineer
New
T
TopstepFintech Trading
Location: United StatesFull-TimeSenior
Salary$155,000 - $200,000 annually.
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Job Details
- Experience
- 5 + years
- Required Skills
- AWSDockerPostgreSQLMicrosoft SQL ServerC#.NETMicroservicesDistributed Systems
Requirements
- 5 + years of software engineering experience building and shipping production systems at scale.
- Strong proficiency in C# and the .NET ecosystem.
- Experience designing service boundaries and API versioning in a microservices or modular architecture.
- Experience building distributed, high-availability systems, including asynchronous, event-driven communication (e.g., message queues, pub/sub, or streaming).
- Solid database experience with PostgreSQL or SQL Server.
- Experience with observability tools and distributed tracing in production environments.
- Proven track record of owning production systems, including debugging and incident response.
- Experience with container technologies (Docker) and cloud platforms (AWS).
- Strong testing mindset with practical experience across unit, integration, and system testing.
- Excellent problem-solving skills, with the ability to debug complex issues across multiple systems.
Responsibilities
- Design and build services and APIs that power core trading platform capabilities.
- Own features 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, establishing patterns and practices that other teams can follow.
- Write clean, well-tested code with strong focus on reliability, performance, and operational excellence.
- Participate in on-call rotations, respond to incidents, and drive continuous improvement of system reliability.
- Build and maintain observability into your systems through metrics, logging, and distributed tracing.
- Occasionally work across the stack, contributing to the React/TypeScript frontend as features require.
- Mentor engineers through code reviews, pairing sessions, and sharing knowledge about system design and best practices.
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