Synthflow AISA

Staff Frontend Software Engineer

Synthflow offers a no-code platform for creating AI-driven voice agents that handle human-like phone calls, vastly improving customer engagement.

Synthflow AI

Employee count: 11-50

Germany only

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 Staff or Lead Frontend Engineer to drive our frontend architecture, lead
technical decision-making, and grow the frontend discipline at Synthflow. You’ll be our
strongest IC (80%) while also leading and mentoring the frontend team (20%). This role is
both technical and strategic—you'll directly influence the frontend product and tech roadmap
and ensure tight alignment between design, product, and backend teams.

What You'll Do

  • Lead architecture and development of our frontend platform using React,

    TypeScript, and Tailwind.

  • Own and evolve the frontend technical roadmap—performance, scalability, DX, and

    testing.

  • Collaborate closely with backend and infra teams to ensure smooth end-to-end

    system design.

  • Build polished, performant, and highly interactive features used by thousands of

    businesses.

  • Mentor and support other frontend engineers through code reviews, pairing, and

    design sessions.

  • Help shape cross-functional planning and the broader product roadmap.

  • Maintain high quality and stability through robust testing (Jest, Playwright, etc.).

  • Lead with pragmatism—prioritize shipping fast without compromising long-term

    quality

What You Bring

  • 6+ years of experience building modern web applications, with deep expertise in

    React + TypeScript.

  • Proven track record of leading architecture and driving technical direction.

  • Passion for UI/UX detail, performance, and clean code.

  • Experience mentoring engineers and fostering a culture of engineering excellence.

  • Startup mindset: you move fast, think independently, and own outcomes.

  • Experience with cloud platforms (GCP or AWS) and modern CI/CD workflows.

  • Excellent communication and cross-functional collaboration skills.

Bonus

  • Working knowledge of Python and FastAPI—a big plus for aligning effectively with
    backend teams and bridging full-stack workflows.

What We Offer

  • High-impact role: Influence architecture, roadmap, and team direction.

  • Remote-first: Flexible work from anywhere.

  • Fast-moving environment: Ship quickly, iterate often.

  • Cutting-edge stack: Build with the latest tools and libraries.

  • Competitive compensation: Strong salary, equity, and benefits.

Ready to shape the future of Voice AI? Apply now and join us on the journey.

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.

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Germany +/- 0 hours

About Synthflow AI

Learn more about Synthflow AI and their company culture.

View company profile

Synthflow is at the forefront of revolutionizing the way businesses handle communication through AI-powered voice technology. With a mission to enhance customer interactions, their platform allows users to create, deploy, and manage AI-driven voice agents without the need for coding. Their service facilitates the automation of human-like phone calls, providing a unique solution for businesses aiming to improve lead conversion rates and customer service efficiency. Synthflow currently powers over 10 million voice calls every month across more than 30 countries, showcasing its global reach and effectiveness.

The platform is designed for flexibility and ease of use, allowing enterprises to tailor voice agents according to their specific needs. Users can select voice characteristics, languages, and integrate their systems seamlessly with over 200 different APIs. Furthermore, Synthflow prioritizes security and compliance, meeting standards such as SOC 2 and HIPAA, and ensuring the protection of sensitive data, particularly in healthcare settings. With 24/7 availability and a commitment to providing excellent support, Synthflow is well-positioned to support businesses in their digital transformation journeys.

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Synthflow AI

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Synthflow AI hiring Staff Frontend Software Engineer • Remote (Work from Home) | Himalayas