Solution Test Engineer
At SESTEK · Istanbul
- QA and testing
- Full-time
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Where you’ll work
Hybrid, based in Istanbul
“Istanbul”
From the job board field.
“Location: İstanbul or Ankara”
From the job description.
The job board lists it as hybrid.
Hybrid means some days in the office. The listing says how many, and where.
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- Posted
- 7 August 2026
- First seen by us
- 15 October 2026
- Last checked
- 42 hours ago
Job description
From SESTEK’s job post, as they wrote it.
Location: İstanbul or Ankara
Working Style: Hybrid
Overview
We are looking for a Solution Test Engineer to test our solutions for our growing Professional Services Team. If you are passionate about serving customers with minimum errors and preventing possible issues before they occur, we believe this position is just for you!
Who are we
SESTEK is a 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 part of Unifonic, a leading Communications Platform as a Service (CPaaS) provider, and 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.
Read the full description
What we expect
* Test our solutions to ensure high quality, minimize customer-facing issues, and prevent potential errors before they occur
* Apply the defined test methods and methodologies
* Develop new test scenarios and update test documents in line with development processes
* Create test environments on virtual machines, and update and maintain them when required
* Report test results
* Work closely with Integration and Solution Engineers on solution configurations
* Design solutions and configurations together with the engineering team
* Analyze 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
* Minimum 2 years of experience as a test engineer in IT
* Good command of both written and spoken English
* Hands-on experience with test automation tools and frameworks (e.g., Postman, Playwright) and JavaScript
* Experience with use case analysis and application configuration
* Good team worker, willing to take responsibility
* Willingness to search, learn, and use new technologies
* Effective communication, work and time management
* Analytical thinking and customer focus
* Openness to change and flexibility
* Negotiation, persuasion, and delegation skills
We’re also looking for
* A strong can-do attitude and a hands-on, solution-oriented approach - you see what needs to be done and take action
* A strong sense of ownership and accountability - you take responsibility, follow through, and don’t wait to be told what to do
* A flexible and collaborative mindset - you enjoy working across teams and are willing to contribute beyond your core responsibilities when needed
* A willingness to roll up your sleeves, step in where needed, and help the team get things done, even when it falls outside your usual scope
Nice to have
* Experience with C#, JavaScript, or React/React Native
* Knowledge of HTTP/HTTPS and WebSocket (WS/WSS) protocols and testing methodologies
* 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 specializing in artificial intelligence, where you’ll work on real products with real impact.
* Flat organizational structure and an energetic team that moves fast and values your voice, so you own outcomes, not just tasks.
* Freedom to try new ideas and build your own solutions, in a culture where failing fast is fine as long as we learn from it.
* Flexible/hybrid working style with the option to work from our İstanbul or Ankara office.
* Private health insurance, meal card, and transportation allowance.
* Incentive for graduate and postgraduate studies.
* Training opportunities for technical and personal development, and support for certificate programs related to the field, in a culture that encourages you to stay curious and keep learning.
* Budget for external activities with your colleagues, organized by the SESTEK Social Activity Committee.
* Birthday celebrations, parties, happy hours, and seasonal events.
* Breakfast and healthy snacks available all day long in the office.
* Exclusive discounts at our partner institutions.
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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