Senior Python Software Engineer

This is a fully remote role, allowing you to work from anywhere in the world.

About Synthflow

At Synthflow we’re building the easiest way for businesses to create AI-powered phone agents. No coding, no fuss—just smarter automation. We’re passionate about delivering the future of voice technology with lightning-fast, scalable solutions. It’s an exciting time at Synthflow: we’re early, fast-growing, and laser-focused on impact. Join us to do the best work of your career while helping businesses thrive.

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.

• Remote-first flexibility: Contribute from anywhere, on your schedule.

• 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.