infrastructure
Posted Oct 17, 2025Senior Site Reliability Engineer
at Pylon
Remote
Responsibilities
- Write code, not just YAML.
Requirements
- experience in SRE, infrastructure, or platform engineering roles -
- Experience working on a team of SREs at a company with mature SRE practices (not solo SRE roles) - Real on-call
- experience at scale in a large production environment (you've carried the pager and lived through incidents) - Deep AWS expertise (ECS, RDS, networking, security) - Strong
- experience with declarative infrastructure (Terraform, CDK, or similar) - Nix
- Experience at companies with strong SRE cultures (Google, Replit, Stripe, etc.) - Background in fintech, healthtech, or other regulated domains -
- Experience migrating monitoring systems or implementing SLOs - Contributions to infrastructure tooling or open source projects OUR TECHNOLOGY STACK: We don't require that you've worked with any of these technologies before, this is just our stack for your information: - Infrastructure: AWS (ECS, RDS, CloudFront, Lambda), CDK for infrastructure-as-code - Observability: Honeycomb, OpenTelemetry - CI/CD: GitHub Actions, Nix for builds and dev environments - Core platform: TypeScript/Node backend, PostgreSQL,
- You know AWS inside and out.
Experience
- WHAT WE'RE LOOKING FOR Must-haves: - 4+ years
Benefits
- About Pylon America’s $13T mortgage market is one of the most important financial systems in the world.
- We started from zero and created the first vertically integrated mortgage platform that turns origination into a single API.
- Join us in building America’s mortgage rails.
- Mortgage is complex, our platform is complex, good SRE work is complex.
- WHO WILL SUCCEED HERE Someone who: - Is deeply curious - Wants to won features from design to development to deployment to maintence - Is willing to put the work in to solve the hardest of problems Location: Palo Alto , CA Base Salary Range: $140,000/yr to $220,000/yr + Equity + Benefits