Sr. Principal Propulsion Engineer designing mechanical systems for propulsion at Northrop Grumman. Responsible for guiding junior engineers and performing complex design tasks related to propulsion components.
About the role
- Senior Product Engineer building shared product systems and primitives for Replit's platform. Collaborating with cross-functional teams to scale systems for millions of users.
Responsibilities
- Lead major cross-team platform initiatives, taking foundational systems from 0 → 1 and scaling them to support millions of users
- Build shared, extensible Agent primitives that Replit Agent can reuse safely and consistently (Meta Programming)
- Identify the highest-leverage technical bottlenecks (performance, reliability, correctness, abuse, observability), then design and ship solutions for our scale
- Raise the bar for engineering excellence through architecture reviews, code quality, reliability standards, and mentorship
- Partner across teams to improve platform adoption, ergonomics, and velocity — turning platform work into measurable outcomes
Requirements
- 5+ years of professional software engineering experience
- Understanding of the full agentic software development stack, helping coding agents build, test and review correct code.
- Strong track record leading complex projects with cross-functional stakeholders
- Experience building and operating platform systems that other teams depend on
- Experience operating and scaling systems in production (reliability, performance, incidents, on-call readiness)
- Strong product judgment: you can balance UX, speed, correctness, and long-term maintainability
- Comfort working in modern web stacks such as TypeScript, React, Node.js, Postgres
Benefits
- Competitive Salary & Equity
- 401(k) Program with a 4% match
- Health, Dental, Vision and Life Insurance
- Short Term and Long Term Disability
- Paid Parental, Medical, Caregiver Leave
- Commuter Benefits
- Monthly Wellness Stipend
- Autonomous Work Environment
- In Office Set-Up Reimbursement
- Flexible Time Off (FTO) + Holidays
- Quarterly Team Gatherings
- In Office Amenities
Job title
Job type
Experience level
Salary
Degree requirement
No Education Requirement
Tech skills
Location requirements
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