Topstep
SoftwareEngineerIII
Neural analysis suggests this role is
optimal for Mid candidates.
“Software Engineer III at Topstep. Skills: React, TypeScript, GraphQL, API design. Design cloud-native applications. Build cloud-native applications”
What You'll Achieve.
raising the technical bar; shipping high-quality apps; drive ongoing web development; shape the experience for traders; define what mobile excellence looks like
Industry & Context.
Proactively identify and resolve issues
on-call participation
What They're Looking For.
Must Have
3 + years of professional experience building production web applications, solid full-stack foundation, strength in backend API design, modern frontend development, database fundamentals, experience with PostgreSQL or SQL Server, schema design, migrations, indexing, query optimization, Excellent communication skills, production mindset, bias toward action, embracing metrics, logging, tracing, on-call participation, end-to-end ownership of delivery
Nice to Have
Deep expertise in designing and operating scalable, distributed systems, event-driven architectures, message queues, eventual consistency, race condition handling, focus on performance, security, maintainability, Experience building financial, trading, or fintech mobile applications, real-time data, reliability, security, Comfort with CI/CD pipelines, infrastructure-as-code tools
What You'll Do.
Design cloud-native applications
Build cloud-native applications
Operate cloud-native applications
Embed automated testing
Embed operational ownership
Ensure platform stability
Ensure platform performance
Champion event-driven best practices
Deliver scalable solutions
Deliver resilient solutions
How You'll Work.
Team & Collaboration
Embed within feature teams; Collaborate with product engineering teams
Communication Scope
distill complex technical concepts
Full Job Description
Summary Are you a full-stack engineer who thrives on building exceptional user experiences, shipping high-quality apps from scratch, and raising the technical bar for teams around you? As a Software Engineer III at Topstep, you'll play a foundational role in building our Trader Experience platform using React, TypeScript, and GraphQL. You'll be instrumental in embedding within feature teams to drive ongoing web development. This is an opportunity to shape the experience for traders. This role is ideal for someone who brings both deep web development expertise and a product mindset. Join us and help define what mobile excellence looks like at Topstep. Key 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. Required Qualifications and Key Competencies 3 + years of professional experience building production web applications, 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). 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. Preferred Qualifications Deep expertise in designing and operating scalable, distributed systems, including
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