Senior Software Engineer in Test
Offer summary
Qualifications:
2–3 years of experience in automated testing and 1–2 years in manual testing., Familiarity with testing tools like Playwright, Cypress, Jest, Postman, Selenium, and FastAPI., Knowledge of CI/CD processes, Github Actions, and SonarQube., Developer background is a plus..Key responsibilities:
- Develop and execute automated tests for REST APIs, UIs, and voice agents.
- Collaborate with developers to troubleshoot issues and expand test coverage.
- Ensure the reliability of AI-driven voice products through testing.
- Contribute to building and improving the test infrastructure from scratch.
Job description
Synthflow AI is a nocode platform for deploying voice AI agents that automate phone calls across contact center operations and business process outsourcing (BPO) at scale. We help midmarket 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 nonAI operators
45 million calls handled with a 99.9% uptime
Develop and run automated tests (REST, UI, Voice) in Python and JavaScript.
Analyze results, proactively triage issues, and collaborate with devs.
Grow the test suite for new features and client use cases.
2–3 years in automated testing; 1–2 years in manual.
Developer background is a big plus.
Familiar with PlaywrightCypress + JestPostman (JS) or SeleniumFastAPI (Python).
Knowledge of Github Actions and CICD, Sonarqube
No audio expertise needed (we have inhouse tools).
A chance to be at the forefront of technological innovation in a fastgrowing startup.
A dynamic and supportive work environment where teamwork and creativity are encouraged.
Competitive salary, comprehensive health benefits, and equity options.
Flexible work arrangements, including remote work opportunities.
Founded in Berlin in 2023 by serial entrepreneurs Albert Astabatsyan, Hakob Astabatsyan, and Sassun MirzakhanSaky, Synthflow AI democratizes access to advanced voice AI with a nocode platform that lets enterprises easily create, deploy and scale naturalsounding, costeffective voice agents tailored to their business needs.
What We Offer:
Who You Are:
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 AIpowered phone agents. No coding, no fuss—just smarter automation. We’re passionate about delivering the future of voice technology with lightningfast, scalable solutions. It’s an exciting time at Synthflow: we’re early, fastgrowing, and laserfocused on impact. Join us to do the best work of your career while helping businesses thrive.
About the Role
As a Senior Software Engineer in Test, you will lead the development and execution of our automated test infrastructure for REST APIs, UIs, and voice agents. You’ll work closely with developers to triage issues, expand test coverage, and ensure the reliability of our AIdriven voice products. This is a highimpact role with the opportunity to shape a new automation function from the ground up.
What Youll Do:
Required profile
Experience
Other Skills
- Teamwork
- Collaboration
- Problem Solving
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