Senior Backend Engineer — Real-Time AI Messaging

Clera; San Francisco (CA); On-site; USD 100,000 - 200,000; Full time

Benefits offered by this job

Equity

Sponsorship support (H-1B, OPT, CPT)

Job summary

Clera Labs, Inc. in San Francisco, CA, is building messaging infrastructure for AI agents. You will join a small engineering team to own complex systems from architecture through production, delivering reliable experiences across familiar communication interfaces.

You design and operate highly available backend services for real-time messaging, own end-to-end projects, build APIs, SDKs, dashboards, and internal platforms, and tackle distributed systems challenges to ensure robust operations.

Qualifications

• 3+ years of professional software engineering experience
• Strong proficiency in TypeScript and Node.js
• Experience with another backend language (Go, Rust, or Swift)
• Solid understanding of distributed systems, concurrency, networking, databases, and API design

Responsibilities

• Design and operate highly available backend services for real-time messaging workloads.
• Own projects end to end from problem definition through deployment and operation.
• Build intuitive APIs, SDKs, developer tools, dashboards, and internal platforms.
• Address distributed systems challenges including reliability, concurrency, fault tolerance, message delivery, queuing, and consistency.
• Contribute across backend services, infrastructure, and user-facing developer experiences.
• Evaluate tradeoffs and make pragmatic decisions balancing quality and speed.
• Use AI coding agents thoughtfully while understanding code, architecture, and operational impact.
• Participate in architecture discussions, code reviews, and incident analysis

Skills

TypeScript

Node.js

Go

Rust

Swift

Distributed systems

API design

Tools

Go

Rust

Swift

Job description

Clera Labs, Inc. in San Francisco, CA, is building messaging infrastructure for AI agents. You will join a small engineering team to own complex systems from architecture through production, delivering reliable experiences across familiar communication interfaces.

You design and operate highly available backend services for real-time messaging, own end-to-end projects, build APIs, SDKs, dashboards, and internal platforms, and tackle distributed systems challenges to ensure robust operations.