Phonely Inc. logo

Senior Backend Engineer

Job Overview

Location

San Francisco, California

Job Type

Full-time

Category

Backend Engineer

Date Posted

April 11, 2026

Full Job Description

đź“‹ Description

  • • Senior Backend Engineer role focused on building and maintaining Python-based state systems that power voice AI agents for businesses, ensuring seamless and reliable real-time conversations.
  • • Day-to-day responsibilities include designing and implementing microservices, integrating multiple LLM providers, writing high-performance async Python code, building automated tests, monitoring production systems, implementing observability, and managing SQL/NoSQL databases and authentication systems.
  • • Phonely Inc. is a fast-growing engineering-driven company building voice AI technology that aims to transform how businesses interact with customers via phone, with a mission to create a product loved by 1M+ businesses.
  • • The role offers the opportunity to solve unprecedented technical challenges in voice AI, work closely with cross-functional teams including product and customer support, and grow technically in a high-impact, high-autonomy environment where ownership and craftsmanship are valued.

Skills & Technologies

Python
JavaScript
Go
Next.js
Redis
Backend
Senior
Onsite

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Phonely Inc.
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About Phonely Inc.

Phonely is a technology company focused on revolutionizing communication through AI-powered solutions. Their core product is an AI assistant designed to manage phone calls, schedule appointments, and handle customer service inquiries, freeing up human resources for more complex tasks. Phonely targets businesses of all sizes, aiming to improve efficiency, reduce operational costs, and enhance customer engagement. The company operates within the rapidly growing AI and communication technology sectors, offering a scalable platform that integrates seamlessly with existing business workflows. Their innovative approach to automating routine communication tasks positions them as a key player in the future of business operations.

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