Founding Engineer Infra/Backend - Spur

Spur; New York (NY); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Daily lunch, snacks, and more

High quality medical, dental, and vision coverage

Unlimited PTO

Spur Swag

Job summary

Spur is seeking a founding infra/backend engineer to architect the backbone of its core platform in New York City. This role involves building and scaling infrastructure for web agents, optimizing operations at scale, and directly collaborating with the founders.

The ideal candidate has 5+ years of experience, expertise in Docker and Kubernetes, and a passion for impactful work. Streamlined infrastructure design is key, and the position includes benefits like unlimited PTO.

Qualifications

• 5+ years designing, shipping, and operating at-scale infrastructure.
• Experience with distributed task queues and performance optimizations.
• Able to drive projects independently.

Responsibilities

• Build and scale core infrastructure for browser and web agents.
• Design and maintain clusters and CI/CD practices.
• Collaborate with product, engineering, and founders.

Skills

Infrastructure design and operation

Docker

Kubernetes

Terraform

CI/CD

Job description

Overview: Spur is every company’s AI QA Engineer.

Spur lets you test your website with natural language. Our AI agents act like real users—automating end-to-end testing without requiring traditional QA infrastructure.

Spur is founded by 2 Yale Alums, and is backed by leading investors like First Round Capital, Neo, Pear VC, Conviction, and YCombinator. We are transforming the testing world, completely re-imagining what testing means from first principles. We're already accelerating engineering teams at some of the fastest-growing companies in the world.

Read our Manifesto: https://www.spurtest.com/founders-letter

The Role

As our founding infra/backend engineer, you’ll architect the backbone of Spur’s core platform—define, build, and scale mission‑critical infra powering our web agents.

We own our entire stack end‑to‑end—you’ll orchestrate fleets of browsers and web agents in the cloud and optimize them at massive scale. You’ll work directly with the founders, solving frontier infra problems with real customer impact, and set the gold standard across our stack, from low‑level infra to the UX delivered by our agents.

What you’ll do

• Build and scale our core infra to run and launch thousands of browser and web agents every day.
• Design, implement and maintain our clusters, CI/CD, observability, and CI/CD practices
• Rapidly iterate with product, engineering, and founders

Bonus Points

• Experience with distributed task queues, performance/scalability optimization
• Have worked driving impact at smaller teams and scaling infrastructure 0-1

You’ll Thrive Here If You

• Have 5+ years designing, shipping, and operating at‑scale infra
• Have deep expertise in Docker, Kubernetes, Terraform, CI/CD, Terraform
• Understand how infrastructure decisions directly impact product performance and customer experience
• Have high autonomy, and are able to drive projects on your own.
• Are ambitious and driven, and care a lot about doing great work with great people

This is an in person role at our office in NYC. We’re an early stage company which means that the role requires working hard and moving quickly. Please only apply if that excites you.

Benefits at Spur

• Daily lunch, snacks, and more are available everyday in the office (you help choose)!
• High quality medical, dental, and vision coverage options, flexible depending on your needs.
• Unlimited PTO (We believe that recharging is essential to being the best that you can be.)
• Spur Swag

Spur is an Equal Opportunity Employer committed to diversity and inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to sex, race, color, age, national origin, religion, physical and mental disability, genetic information, marital status, sexual orientation, gender identity/assignment, citizenship, pregnancy or maternity, protected veteran status, or any other status prohibited by applicable national, federal, state or local law.