Fullstack Platform Engineer

Rime Labs

• $130K — $180K *
San Francisco, CA 94112In-Person
Technical Services
5 - 7 years of experience
Today
Be an Early Applicant
Job Overview by Ladders

Qualifications

  • 5+ years of backend or full-stack engineering experience
  • Proven experience building production APIs that handle real traffic
  • Proficient in TypeScript/Deno, Rust, SQL, and cloud infrastructure
  • Strong focus on latency and reliability measurement
  • Ability to leverage AI tools to enhance development workflows
  • Excellent written and verbal communication skills
  • Collaborative mindset with a preference for teamwork
  • Willingness to work in the Bay Area or relocate

Responsibilities

  • Develop and optimize Rime TTS API using Deno/TypeScript and PostgreSQL/Supabase
  • Ensure product reliability through testing, alerting, and monitoring
  • Scale and enhance infrastructure systems and deployment processes
  • Manage billing and credit systems efficiently
  • Oversee AWS infrastructure deployment and related services
  • Integrate with Rust-based model inference engine for real-time functionality
  • Establish engineering standards and practices to support company growth
  • Contribute significantly to a small engineering team with a large impact

Benefits

  • Work on cutting-edge voice AI infrastructure
  • Collaborate directly with company founders
  • Influence the trajectory of the company significantly
  • Competitive salary with meaningful equity opportunities
  • Enjoy high ownership with low bureaucracy
  • Adapt to a fast-paced environment with agency and freedom
  • Embrace a growth mindset and collaborative culture
Full Job Description
About the Role

What you'll work on
  • The Rime TTS API (Deno/TypeScript, PostgreSQL/Supabase, AWS), including performance-critical paths where latency directly affects product quality
  • Product reliability, testing, alerting, and monitoring
  • Scaling our infrastructure systems and deployment
  • Billing and credit systems
  • Deployment infrastructure: AWS EC2, CodeDeploy, ElastiCache/Redis, and our cron worker systems
  • Integrations with our advanced Rust-based model inference engine for real-time speech
  • Helping establish the engineering foundations: standards, tooling, and practices that will let us scale as a company
  • Engineering team is still small, you'll have a big impact!


What we're looking for
  • Strong backend fundamentals: you've built and shipped production APIs that handle real traffic under real constraints
  • 5+ years of backend/full-stack engineering experience
  • Comfortable working across the stack: TypeScript/Deno (or Node), Rust, SQL, cloud infrastructure, and deployment tooling
  • You care about latency and reliability and know how to measure both
  • Fluent with agentic development workflows: you use AI tools as a force multiplier and are thoughtful about where they accelerate good work
  • A communication style that's clear, direct, and mature: you write well, give useful feedback, and know how to align without a lot of overhead
  • Collaboration-minded: you can execute autonomously but genuinely enjoy working with others
  • Comfortable code switching
  • Bay Area based or willing to be: we strive to work together in person

Bonus points
  • Experience with voice, audio streaming, or real-time media systems
  • Familiarity with ML inference infrastructure or model-serving platforms
  • Prior startup experience (sub-100 people)
Why Join Rime
  • Category-defining voice AI infrastructure, not incremental research deltas
  • Direct collaboration with founders
  • Real impact on company trajectory
  • Meaningful equity upside, competitive base salary
  • High ownership, high standards, low bureaucracy


At Rime, we...
  • Are outliers
  • Cut through the hype to focus on the craft
  • Move fast with agency and freedom
  • Maintain a growth mindset, finding joy in the struggle
  • Do the right things, knowing that it'll lead to making money
    If that sounds like you too, you'll be a great fit for Rime!
* Ladders Estimates

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