We are seeking a Backend Engineer to build and scale high-concurrency backend systems powering messaging, phone, and SMS workflows. You will work on distributed systems, message routing, and reliability-critical infrastructure used across multiple customers. Candidates must have 5+ years of hands-on programming experience and practical implementation in at least two of Rust, Swift, TypeScript/Node.js, Backend, or Microservices.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Backend Engineer
📍 Location: San Francisco, CA (On-site)
💼 Employment Type: Full-time
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ABOUT THE ROLE:
We're looking for a Backend Engineer to build and scale high-concurrency backend systems powering messaging, phone, and SMS workflows. You'll work on distributed systems, message routing, and reliability-critical infrastructure used across multiple customers.
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Candidates must meet all of the following:
▪️5+ years of hands-on programming experience (formal employment is not required).
▪️Practical implementation experience in at least TWO of these technologies:
Rust
Swift
TypeScript/Node.js Backend
Microservices
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▪️High concurrency
▪️Distributed systems
▪️Messaging/SMS
▪️Reliability-sensitive infrastructure
▪️Available to work full-time, on-site in San Francisco.
PREFERRED EXPERIENCE :
Experience across three or more of the four core technology areas:.
Messaging, SMS, telecommunications, or multi-tenant systems.
Production reliability, observability, performance optimisation, or incident response.
Open-source contributions or independently built systems with real users.
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