AI Engineer (LLM)

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 are now seeking a talented and passionate AI Engineer (LLM) to lead the product development, research, and technical architecture for our main product. This is a high-ownership role that will allow you to play a key part in shaping the future of AI.

Your responsibilities will include:

• Research, design the architecture and implement new AI-powered features.

• Implement those features together with the engineering team

• Develop and maintain the backend infrastructure, ensuring scalability, performance, and reliability.

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

• Research and implement new AI technologies, frameworks, and tools to enhance the platform capabilities.

• Conduct code reviews and provide constructive feedback to team members to maintain code quality and best practices.

• Stay up-to-date with the latest AI and software development trends, sharing knowledge with the team and actively contributing to continuous improvement.

Who you are:

• Experience as a Python developer minimum 5 years

• Experience in building data infrastructure that is both scalable and extensible

• Experience in infrastructure containerization and DevOps & MLOps on (GCP or AWS)

• Experience in building and maintaining enterprise-grade API’s (e.g. with fastAPI)

• Knowledge hunger about AI and LMMs and desire make Agents accessible to Businesses and Developers

• Builder mindset and enjoy to tinker around and experiment with complex systems

Beyond the basics:

• Experience working with and fine-tuning Large Language Models (LLMs)

• Experience with low-latency audio stream processing

• Experience building production-grade applications with LLMs and using frameworks such as LangChain, LlamaIndex, etc.

• Experience with large-scale distributed compute 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.