
Software Engineer – Infra
Numeral (YC W23)
full-time
Posted on:
Location Type: Hybrid
Location: San Francisco • California • United States
Visit company websiteExplore more
Salary
💰 $180,000 - $300,000 per year
About the role
- Design and build highly scalable, secure, and reliable infrastructure to support critical APIs, services, and data pipelines.
- Lead infrastructure architecture decisions for performance, observability, and fault tolerance.
- Drive improvements in system reliability, monitoring, and incident response.
- Collaborate closely with product, platform, and data engineering teams to enable rapid feature development without compromising stability.
- Automate infrastructure management through infrastructure-as-code, CI/CD pipelines, and container orchestration.
- Champion best practices in operational excellence, disaster recovery, and distributed systems design.
Requirements
- 7+ years of experience building and scaling backend or infrastructure systems in high-growth environments
- Proficiency in Node.js, PostgreSQL, Redis, and AWS (or equivalent cloud platforms)
- Experience managing containerized workloads using tools like Kubernetes, ECS, or similar
- Expertise in observability tooling (e.g., Datadog, Prometheus, OpenTelemetry) and monitoring pipelines
- Proven ability to design fault-tolerant, distributed systems at scale
- Strong debugging and performance optimization skills across the stack
- Exceptional collaboration and communication skills, with experience partnering cross-functionally
- Startup mindset: Not scared of ambiguity and hungry for rapid growth
- Intensity & Ownership: This is not a 9-5 — we’re scaling rapidly and have a massive opportunity ahead of us.
- Customer Obsession: You deeply care about the user experience and solving their problems
Benefits
- Competitive salary and equity - you’ll share directly in the company’s success
- Full medical, dental, and vision coverage
- Wellness perks like Headspace and the Peloton One App
- 401(k) to help you build long-term financial security
- Lunch and snacks when you’re in the office
- Regular team offsites and company events as we grow
- A culture built on ownership - your work matters and people will see it!
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Node.jsPostgreSQLRedisAWSKubernetesECSobservability toolingDatadogPrometheusOpenTelemetry
Soft Skills
collaborationcommunicationdebuggingperformance optimizationintensityownershipcustomer obsession