Senior Software Engineer - Fern

Postman Postman · Enterprise · New York, NY · Product Engineering

Senior Software Engineer to build APIs, scale AI infrastructure on Vercel, AWS, and Turbopuffer, and design developer experiences for Fern, a Postman company focused on API experiences for AI companies.

What you'd actually do

  1. Scale infrastructure to keep up with growth: Work on AI systems deployed on Vercel, AWS, and Turbopuffer that must be performant, reliable, and secure under real-world load.
  2. Stay close to customers: We work directly with API teams at companies like Nvidia, Twilio, and Square. You’ll debug real production edge cases, shape APIs based on customer feedback, and ship improvements quickly.
  3. Collaborate across the stack: Partner closely with product designers and frontend engineers working in TypeScript and Next.js to define polished interfaces and slick user experiences.

Skills

Required

  • 3+ years of professional software engineering experience
  • TypeScript
  • API development
  • Infrastructure scaling
  • Customer interaction

Nice to have

  • Experience building with TypeScript

What the JD emphasized

  • AI agents
  • AI infrastructure
  • developer experience

Other signals

  • AI agents
  • AI infrastructure
  • developer experience