Senior Python Software Engineer

Synthflow AI is a

no-code platform for deploying voice AI agents

that automate phone calls across contact center operations and business process outsourcing (BPO) at scale. We help mid-market and enterprise companies manage routine calls to save teams time and resources.

Our agents have already delivered measurable impact:

Over

5 million hours

of contact center operations saved

35% more calls

answered compared to non-AI operators

45 million calls handled with a

99.9% uptime

Backed by

Accel, Atlantic Labs, and Singular

and trusted by over 1,000 customers, our growth leads an industry shift toward sophisticated and accessible conversational AI.

About the role We’re looking for a Senior Python Engineer to craft reliable, production-ready software for AI tools.

Your responsibilities will include: Develop and maintain our backend infrastructure , focusing on scalability, performance, and reliability.

Implement new features

in collaboration with our engineering team.

Participate in the entire software development lifecycle , including requirements analysis, design, implementation, testing, and deployment.

Apply Test-Driven Development (TDD) practices

to ensure robust and reliable code.

Engage in Pair Programming

to enhance code quality and foster team collaboration.

Implement and maintain Continuous Integration/Continuous Deployment (CI/CD) pipelines

to streamline development and deployment processes.

Conduct code reviews , providing constructive feedback to maintain high standards of code quality and best practices.

Stay updated with the latest trends in software development , sharing knowledge and contributing to continuous improvement.

You have: A

minimum of 5 years of experience

as a Python developer.

Strong experience in

building scalable and extensible data infrastructure .

Proficiency in

infrastructure containerization, DevOps & MLOps

(preferably GCP or AWS).

Experience in

building and maintaining enterprise-grade APIs

(e.g., with FastAPI).

Demonstrated experience with

TDD, pair programming, and CI/CD practices .

Beyond the basics: Familiarity with

voice technologies

like WebRTC and Twilio.

Knowledge of

AI , particularly Large Language Models (LLMs), Speech To Text and Voice Synthesis models.

Experience in

AI-related fields

like low-latency audio stream processing or building applications with LLMs.

Familiarity with

AI frameworks

such as LangChain, LlamaIndex, etc.

Experience with

large-scale distributed computing and cloud infrastructure .

What we offer: Autonomy at speed:

High-ownership roles in a fast-moving startup.

Cutting-edge technology:

Work on what interests you most.

Career growth:

Scale your impact as the company grows.

Rewarding package:

Competitive pay, equity options, and comprehensive benefits that reflect your skills and experience.

Founded in Berlin in 2023 by serial entrepreneurs Albert Astabatsyan, Hakob Astabatsyan, and Sassun Mirzakhan-Saky, Synthflow AI democratizes access to advanced voice AI with a no-code platform that lets

enterprises easily create, deploy and scale

natural-sounding, cost-effective voice agents tailored to their business needs.

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