Senior System Architect Opportunity
Upstart AEC is seeking a Tech Lead to own the architecture and evolution of their core trading engine. This system is mission-critical, responsible for trade execution, rebalancing, and scaling strategies across billions in assets.
You'll be hands-on with design and code, guiding team standards, performance, and platform reliability. High scale, high impact, and high visibility are expected.
Key Responsibilities:
* Architect and evolve core trading systems using AWS serverless tools (Lambda, Fargate, Step Functions)
* Write clean, testable code in C# and Python
* Design and optimize data flows with DynamoDB, Elasticache, and other distributed stores
* Owning CI/CD pipelines with GitHub Actions and Terraform
* Championing clarity: documentation, cross-team communication, and technical alignment
* Mentor teammates and shape the platform's future
Required Skills and Qualifications:
* 15+ years of experience building complex, distributed systems—preferably in trading, fintech, or data-heavy environments
* Deep knowledge of system design, performance tuning, and scalable infrastructure
* Strong experience with C#, Python, and AWS-native architectures
* Proven leadership and mentoring skills—able to guide direction and elevate others
* Clear communicator who thrives in collaborative, fast-moving environments
Becoming Part of Our Team:
You'll be building the backbone of a platform that powers modern investment management. Join a senior, focused team with autonomy to design systems the right way—fast-moving, cloud-native, and engineered for scale.
Remote | Full-Time | Competitive Salary Range