[Remote] Senior Fullstack Engineer (Payments)
Note: The job is a remote job and is open to candidates in USA. Topstep is a company focused on enhancing the trader experience, and they are seeking a Senior Full Stack Engineer to build the distributed systems that power their payments and purchasing platform. The role involves defining architecture, building cloud-native applications, and influencing coding standards while ensuring reliability and scalability.
Responsibilities
- Design, build, and operate cloud-native applications with an emphasis on reliability, safe deployments, and operational simplicity
- Embed automated testing, observability, and operational ownership into every stage of feature delivery
- Proactively identify and resolve issues, helping ensure our platform remains stable, performant, and ready to grow
- Collaborate with product engineering teams to champion event-driven best practices and deliver scalable, resilient solutions
Skills
- 5 + years of experience building and operating production-grade systems with user-facing APIs, with demonstrated impact on scalability and reliability
- A solid full-stack foundation, with strength in backend API design (TypeScript, GraphQL, REST) and modern frontend development (React, Next.js, TypeScript)
- Deep expertise in designing and operating scalable, distributed systems, including event-driven architectures, message queues, eventual consistency, and race condition handling, with a strong focus on performance, security, and maintainability
- Strong database fundamentals, including experience with PostgreSQL or SQL Server—schema design, migrations, indexing, and query optimization
- Excellent communication skills, with the ability to distill complex technical concepts for a range of audiences
- A production mindset and bias toward action—embracing metrics, logging, tracing, on-call participation, and end-to-end ownership of delivery
Benefits
- Topstep is an engaging working environment that ranges from fully remote to hybrid.
- Seven Company-paid Holidays and generous Family Leave.
- Paid time off is front-loaded.
- Competitive 401(k) matching, health, dental, and vision insurance are offered for full-time employees.
- Vacations are encouraged with a bonus for taking 5 consecutive days.
- Topstep offers a food and groceries budget and contributes towards health and wellness.
- Bonus: This position is eligible for a performance-based bonus as provided by the plan terms and governing documents.
Company Overview