Java Developer jobs in United States

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.

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

• 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.

• 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.

• 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.

• 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.