Senior Software Engineer - (Go) Real-Time EngineSynthflow AI • New York, New York, United States
Senior Software Engineer - (Go) Real-Time Engine
Synthflow AI
- New York, New York, United States
- New York, New York, United States
Über
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 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 Go Software Engineer to build real-time voice AI systems that set the standard.
Your responsibilities will include:
Design and enhance backend infrastructure focusing on scalability, performance, and reliability. Implement features and maintain the systems that power our next-generation products.
Expertly manage concurrency and parallelism in Go using goroutines, channels, and synchronization primitives like mutexes and wait groups.
Develop robust networking and streaming capabilities, including experience with network programming, sockets, and protocols like WebSockets and WebRTC.
Lead performance optimization initiatives by profiling Go code, reducing latency, and efficiently managing memory and garbage collection.
Build fault-tolerant systems with strong recovery mechanisms and failover strategies to maintain service continuity.
Implement comprehensive logging and tracing using tools such as zap, klog, OpenTelemetry, and Jaeger to enhance monitoring and troubleshooting.
Apply Test-Driven Development (TDD) and engage in Pair Programming to ensure high code quality and promote team collaboration.
Participate actively in code reviews, offering constructive feedback to uphold code quality and adhere to best practices.
Stay informed on the latest in software development and contribute to the team's continuous learning and improvement.
You have:
At least 5 years of professional experience
with Go, along with a track record of developing scalable and extensible systems.
Additional proficiency in Python and familiarity with infrastructure containerization, DevOps (preferably GCP or AWS).
Extensive experience in
creating and maintaining robust APIs
and implementing advanced CI/CD pipelines.
A strong foundation in software engineering principles and a commitment to leading-edge practices including TDD, pair programming, and continuous integration.
Beyond the basics:
Exposure to real-time infrastructure or latency critical systems
Nice to have: A background in
AI , particularly around Large Language Models, Speech to Text, and Voice Synthesis applications.
Knowledge of
distributed computing and cloud infrastructure
at scale.
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.
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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Sprachkenntnisse
- English
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