Open positions
The principles
that shape us
We improve every single day
We bring our core philosophy "Every interaction, better than the last" directly into our workplace culture. Through continuous learning and feedback loops, both our teams and technology improve every day.
We build our own tech
We build our entire AI stack in-house instead of renting third-party tech. Backed by 25+ years of experience and a 60% R&D workforce, we deliver true, patented innovation.
AI empowers our human potential
We design AI to augment human potential rather than replace it. Built on strict enterprise governance, our solutions seamlessly connect automation with human expertise.
We deliver real measurable impact
We deliver production-grade AI that drives real, measurable outcomes. With a 100% project completion rate across 500+ global clients, we take full ownership of our impact.
Check our rating
on glassdoor
.avif)
.avif)
Great working culture, friendly environment
Tech-oriented, no silos, really good company culture and environment, really qualified people are working for the company. Great leadership.
Tech-oriented, no silos, really good company culture and environment, really qualified people are working for the company. Great leadership.
Current Employee, Product Manager
93%
Recommend to a friend
100%
Approve of CEO
4.5/5
Overall rating
.avif)
100
R&D
Engineers
Engineers
170
SESTEK
people
people
4
Global
locations
locations
700+
Customers in
20 countries
20 countries
33
Average age
of employees
of employees
About SESTEK
Empowering global enterprises for over 25 years with conversational AI and voice technologies that elevate customer experience and operational efficiency.
We are SESTEK
SESTEK is a global technology company helping organizations with Conversational Solutions to be data-driven, increase efficiency and deliver better experiences for their customers. SESTEK’s AI-powered solutions are built by a team of 100+ engineers working on text-to-speech, speech recognition, natural language processing and voice biometrics technologies.
Recently we have been acquired by Unifonic, a leading Communications Platform as a Service (CPaaS) provider. We are now an international organization of 500+ young people.


Office tour with our CEO
The most important asset that will contribute to our success is our employees. For this reason, we work hard to provide a work environment that enables our employees to work effectively, contribute to their career development, and assess their performance objectively.
SESTEK is a happy place to work
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, genetic characteristics.
.avif)



.avif)
.avif)

.avif)
.avif)

.avif)
.avif)
.avif)
.avif)

.avif)

