Senior Full-stack AI Developer (m/f/d)
deutschetelekomitsolutionsslovakia
Košice, Košický kraj, Slovakia (Slovak Republic) · Košice · Slovakia
Posted Jun 3, 2026
- Full-time
- Remote
- Digital Enabler
- Mid-Senior Level
deutschetelekomitsolutionsslovakia
Košice, Košický kraj, Slovakia (Slovak Republic) · Košice · Slovakia
Posted Jun 3, 2026
Company Description Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services. Job Description Senior Full-stack AI developer works within SCRUM team and is responsible for designing, developing, and maintaining end-to-end applications that integrate artificial intelligence capabilities into ongoing business projects. You will work across both frontend and backend layers, building user interfaces, APIs, and database structures while ensuring seamless AI model integration. Follow agreed methodology steps and rituals and take responsibility for produced code to independently deliver functional solution with team. Share knowledge with less experience colleagues. Document and share best practices. Constantly work on self-development and follow industry trends. Helps Telekom manage state sponsored projects in extending highspeed internet in Germany. The platform is essential in entering project details and following with evaluation, managing entire lifecycle. WHAT WILL YOU DO? Development and integrate artificial intelligence capabilities into platform which is essential for extending highspeed internet in Germany Development according to Agile methodology – SCRUM Creation of technical documentation Creative approach within complex solution and technology used Active participation on research & development projects Work closely with other developers, UX designers, business and systems analysts on implementation and testing of the developed solution Qualifications YOU WILL SUCCEED IF YOU: Have advanced experience with Kotlin (Java), Spring Boot Have advanced experience with JavaScript with TypeScript, Have advanced experience with relational databases (PostgreSQL) Have advanced experience with Firestore DB Have advanced experience with Python (data analysis using- Pandas, Jupyter notebooks, Matplotlib) Have advanced experience with Vertex AI Have advanced experience with Google Cloud Platform Have advanced experience with LangChain/langGraph Have advanced experience with training and integration of AI models into software Have advanced experience with GitLab Have basic experience with Jira Are able to work both individually and in a team Are willing to learn and teach new technologies Are self-motivated and organized Have solid communication skills (oral and written), and willingness to develop them further Understanding of Cloud systems, DevOps concepts and tooling is advantage Speak English at least B2 level Additional Information WHY SHOULD YOU CHOOSE US? We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas: Financial benefits Benefits with focus on learning and development Benefits with focus on health and sport Benefits with focus on family and work – life balance Other benefits For more information about our benefits click to Benefits Salary Final salary is negotiable. We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 3100 € /brutto. Additional information * Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.