Product Engineer

CLERA; Berlin; On-site; EUR 85,000 - 160,000; Full time

Job summary

Clera Labs, Inc. in Berlin is seeking a software engineer to join a small team building AI-powered voice and customer communication products.

You will own features from concept through production, helping make AI agents more capable, reliable, and useful across customer workflows. The role emphasizes hands-on backend and frontend work, real-time audio and AI agent systems, and building observability into complex, event-driven architectures.

Qualifications

• At least 3 years of professional software engineering experience, including production ownership of distributed systems.
• Production backend experience with Python, FastAPI, or TypeScript, plus product development across frontend and backend.
• Strong software fundamentals, product judgment, and a bias toward action and measurable business outcomes.
• Experience with real-time audio or voice infrastructure, AI agents or LLMs, and asynchronous or event-driven systems with complex state.
• Production experience with PostgreSQL, Redis, or similar data stores, and cloud infrastructure such as AWS, GCP, or Azure.
• Technology includes TypeScript, React, Vite, TanStack, Node.js, Python, FastAPI, PostgreSQL, Redis, Temporal, and AWS.
• Experience with workflow orchestration, communication integrations, or observability tools is useful.

Responsibilities

• Build product experiences that help configure agents, troubleshoot issues, connect external systems, and surface useful answers.
• Develop and optimize voice agents for speed, reliability, and quality.
• Extend agent interactions across calls, messaging, and email, with shared memory and state.
• Build memory systems that support reasoning across customer workflows.
• Improve observability and tracing so teams can understand and resolve agent failures.
• Help agents select the right communication channel for each interaction.

Skills

Distributed systems

Backend development

Product fundamentals

Voice infrastructure

PostgreSQL

Redis

TypeScript

React

Node.js

Python

FastAPI

Temporal

AWS

Workflow orchestration

Observability tools

Tools

TypeScript

React

Vite

TanStack

Node.js

Python

FastAPI

PostgreSQL

Redis

Temporal

AWS

Job description

About the Role

Join a small team building AI-powered voice and customer communication products. You will own features from concept through production, helping make AI agents more capable, reliable, and useful across customer workflows.

What You'll Do

• Build product experiences that help configure agents, troubleshoot issues, connect external systems, and surface useful answers.

• Develop and optimize voice agents for speed, reliability, and quality.

• Extend agent interactions across calls, messaging, and email, with shared memory and state.

• Build memory systems that support reasoning across customer workflows.

• Improve observability and tracing so teams can understand and resolve agent failures.

• Help agents select the right communication channel for each interaction.

What We're Looking For

• At least 3 years of professional software engineering experience, including production ownership of distributed systems.

• Production backend experience with Python, FastAPI, or TypeScript, plus product development across frontend and backend.

• Strong software fundamentals, product judgment, and a bias toward action and measurable business outcomes.

• Experience with real-time audio or voice infrastructure, AI agents or LLMs, and asynchronous or event-driven systems with complex state.

• Production experience with PostgreSQL, Redis, or similar data stores, and cloud infrastructure such as AWS, GCP, or Azure.

• Technology includes TypeScript, React, Vite, TanStack, Node.js, Python, FastAPI, PostgreSQL, Redis, Temporal, and AWS.

• Experience with workflow orchestration, communication integrations, or observability tools is useful.

Compensation & Benefits

€85,000 to €160,000 annually, plus equity. Visa sponsorship is available.

Location

On-site in Berlin, Germany. Relocation support is available.