Customer Success Manager
SESTEKIstanbul, Turkey
Posted February 19, 2026
Full Time
About the Company
SESTEK, a pioneer in conversational automation since 2000, delivers AI‑driven customer‑service solutions that combine speech recognition, natural language processing, and voice biometrics. Its in‑house R&D team of over 100 engineers builds the Knovvu suite—Virtual Agent, Analytics, and Biometrics—enabling enterprises to automate routine interactions, gain actionable insights, and authenticate callers in real time. Serving more than 500 global clients across 20 countries, SESTEK’s technology is noted for industry‑leading accuracy and language‑agnostic performance, helping organizations reduce costs and improve self‑service. After its acquisition by CPaaS leader Unifonic in 2022, the company continues to expand its portfolio, positioning itself as a go‑to partner for digital customer‑experience transformation.
Job Description
We are looking for a Customer Success Manager to join our team and ensure the satisfaction and long-term success of our corporate clients. As a Customer Success Manager, you will be responsible for delivering exceptional customer experiences and building strong relationships with our clients.
Requirements
- Minimum 6 years of experience in customer success, user experience, or a related field
- Excellent communication and problem-solving skills, with the ability to build strong client relationships
- Proven ability to manage multiple clients, prioritize tasks effectively, and work in a fast-paced environment
- Fluency in English and Turkish (additional languages are a plus)
- Experience with AI, voice/chatbot solutions is a plus
- A proactive, results-oriented mindset with a strong sense of ownership
- Strong presentation and storytelling skills, with the ability to convey complex ideas clearly and persuasively
Benefits
- 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
