Member of Technical Staff, Backend

Slope; San Francisco (CA); On-site; USD 150,000 - 265,000; Full time

Job summary

Slope, located in San Francisco, is looking for a Senior Backend Engineer. This role involves owning features end-to-end within a modular API-first architecture and requires experience with TypeScript and Node. Successful candidates will have 5+ years in software engineering and a startup mindset. The compensation ranges from $150K to $265K, making this an exciting opportunity to influence the future of voice technology while working in a dynamic environment.

Qualifications

• 5+ years experience in Full-Stack / Backend Software Engineering.
• 1+ years of experience at a company with less than 100 people.
• Previous Founding/Senior/Staff/Principal Engineer experience required.

Responsibilities

• Own and deliver entire features and projects.
• Ship optimizations and refactors efficiently.
• Communicate effectively with customers and stakeholders.

Skills

Typescript

Node

Communication

Startup Ready

Job description

Location

San Francisco

Employment Type

Full time

Department

Engineering

Compensation

• Engineering $150K – $265K • Offers Equity

Vision

We're creating the shift to voice as humanity's default interface. Why voice? Because voice captures the nuance, the emotion, and the humanity of interactions in ways text alone can't: voice makes technology human again.

Mission

We're building the platform for the future of voice technology. Our market edge is extensible, reliable infrastructure designed for the full complexity of voice interactions. 18 months, 150k developers, adding 1000 every day.

The Role

The Senior Backend Engineer will own features end-to-end from customer requests to their deployment, building on a modular API-first architecture, working within real-time low-latency constraints. You’ll also be a foundational part of how we build the culture at Vapi.

Outcomes

1. Own and deliver entire features + projects
   • Ship a pre-scoped feature within the first 7 days
   • Ship a feature independently within the first 30 days
2. Ship optimizations and refactors
   • Ship a pre-scoped optimization or refactor within the first 14 days
     1. Ex. improve the latency of a component of the speech-to-speech pipeline
   • Ship an optimization independently within the first 30 days
     1. Ex. refactor a tool-calling mechanism to make it more deterministic
3. Talk to customers
   • Receive a request from Support team and ship the fix within the first 14 days
   • Pick up customer threads unprompted, investigate and solve within the first 14 days
4. Build things that delight customers
   • Unprompted, delight a customer within the first 30 days (ex. call analytics endpoint)

Competencies

• Experience with Typescript + Node or similar backend framework
• Communication: You can clearly articulate what you’re thinking and feeling
• Cracked-ness: You’re more cracked than the most cracked person on the team
• Startup Ready: You have a reason to be here and can make sacrifices for something uncertain
• Founder Juice: New ideas come from you, you build it yourself or annoy everyone until it’s done;

Qualifications

• Previous Founding/Senior/Staff/Principal Engineer
• 1+ years of experience at company <100 ppl
• 5+ years experience in Full-Stack / Backend Software Engineering

Compensation Range: $150K - $265K