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Location
In office (Istanbul)
Seniority
Junior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Aug 7, 2026. SESTEK scores B on the Alion truth index.

Overview
Company
Impact
Profile match
SESTEK is a Turkish conversational artificial intelligence company specialising in speech recognition and voice biometrics. Its products power call centre analytics, voice assistants and automated quality management for large enterprises. The company works with banks and telecom operators across Europe and the Middle East.

Location: İstanbul/Ankara

Working Style: Hybrid

Overview

We are looking for a “Solution Test Engineer” responsible for testing the products for our growing Professional Services Team. If you are passionate about serving customers with minimum errors, and preventing possible errors before they occur, we believe this position is just for you!

Who are we :

We are global technology company, developing AI-powered conversational solutions that empower organizations to be data-driven, enhance efficiency, and offer superior customer experiences. We are an R&D center and our solutions are developed by a team of over 100 engineers specializing in text-to-speech, speech recognition, natural language processing, and voice biometrics technologies. As of 2022 we are a part of Unifonic, a leading Communications Platform as a Service (CPaaS) provider, we have grown into an international organization with over 500 dynamic team members. We have a customer base of 500 enterprises across 20 countries in the US, EU and MENA regions.

What we expect :

  • Minimum 2 years of experience as a test engineer in IT
  • Testing solutions, to ensure high quality, minimize customer-facing issues, and prevent potential errors before they occur
  • Applying decided test methods and methodologies
  • Developing new test scenarios and updating test documents according to development processes
  • Creating test settings on virtual machines, updating and maintaining them if required
  • Reporting test results
  • Hands-on experience with test automation tools and frameworks (e.g., Postman and Playwright)
  • Working closely with Integration and Solution Engineers on solution configurations.
  • Designing solutions and configurations together with the engineering team.
  • Analyzing use cases and use common testing tools such as Postman and Playwright

Who we are looking for :

  • Bachelor’s degree from an engineering or a science faculty
  • Good command of both written and spoken English
  • Good team worker and willing to take responsibility
  • Willing to search, learn and use new technologies
  • Effective communication and work & time management
  • Analytical thinking and customer focusing
  • Openness to change and flexibility
  • Negotiation and Persuasion and Delegation
  • Experience with C#, JavaScript, or React/React Native would be a plus
  • Experience with Postman, Playwright and JavaScript
  • Knowledge of HTTP/HTTPS and WebSocket (WS/WSS) protocols and testing methodologies would be a plus
  • Experience with use case analysis and application configuration
  • Deep understanding of software architecture, scalability, and testability
  • Strategic thinking and problem-solving at a system-wide level

What we can offer you :

  • A chance to be part of a company specialized in artificial intelligence.
  • Flat organizational structure and an energetic team
  • Flexible/hybrid working style and you can work in Ankara or İstanbul office.
  • Private health insurance, meal card, transportation allowance
  • Monthly budget for external activities with your colleagues
  • Incentive for graduate and postgraduate studies
  • Training opportunities for technical and personal development as well as support for certificate programs related to the field of profession.
  • Birthday celebrations, parties, and happy hours, “Welcome to Spring/Fall” events
  • Breakfast and healthy snacks at the office all day long.

At Sestek, we believe in the power of diversity, and inclusive organizational culture. All candidates are considered equally regardless of their race, religion, color, age, sex, sexual orientation, gender identity or expression, national or ethnic origin, marital status, family status, disability, or genetic characteristics.

As SESTEK, we place great importance on protecting your personal data. Within the scope of our recruitment processes, you may access the Candidate Privacy Notice regarding the processing of your personal data via the links: English Version / Turkish Version

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