AI SERVICES-Senior Data Scientist specialized on NLP- KE

Daily Tasks:

· You will be responsible to improve our backends for LLM-backed agent applications such as our Chatbots in Python.

· You will foster the customer experience by stabilizing and improving the existing solution (better visualization, automated validations, enable function calling and agent actions.)

· You will be responsible for identification and implementing upcoming, new business requirements

· Cooperate with the business side including your active contribution in customer workshops, meetings, and calls so the ability to explain technical points to business colleagues is a crucial part of this job, as is a consultant’s mindset

· Participate in team brainstorming sessions, code reviews, and pair programming sessions

· You will have the chance to identify possible use cases for automation and data science, innovative ideas are welcome

We work in a HYBRID STYLE of working with an unlimited home office, but twice a week we meet in the office (Bratislava or Košice) for meetings.

The published salary is the minimum possible offer. The starting salary may be higher depending on the extent of fulfillment of the employee's requirements (education, language skills, required practice, personality assumptions and skills).

· Profound experience in software development using Python programming language, preferably in frameworks like FastAPI, Celery and data science libraries
· Furthermore, knowledge in LLM frameworks such as LangChain, LLamaIndex and the client APIs of Azure and OpenAI completes your profile
· Knowledge of database systems like Postgres or MySQL (or any other relational database) as well as document-based databases like Elasticsearch & MongoDB is a plus
· Proven experience with development of RESTful APIs
· you are flexible and responsive to changing work patterns and demands and preferably you have already successfully applied agile methodology (e.g. Scrum)
· active participation and contribution in extending and sharing your knowledge
· fluent written and spoken English.

Nice to have:
· German language skills
· Prompt Engineering: Understanding how to optimize prompts for LLM models
· Cloud DevOps Skills: Familiarity with containerization (Docker), CI/CD tools (GitHub Actions, GitLab CI), and deployment to cloud platforms (Azure, AWS, GCP) to ensure scalability and production-readiness.
· Familarity with MLOps or AI Workflow Orchestration Tools such as MLflow or Dagster
· Domain-Specific Experience in Telco or Finance industries

Interpersonal Skills
· Proactivity towards customer service is essential.
· Flexible and responsive to changing work patterns and demands
· A thorough and methodical approach to work
· Highly developed skills in interpersonal communication
· Knowledge sharing – active contributor.

• Annual Bonus (Variable Pay): In accordance with the employer’s compensation policy, employees are eligible for an annual bonus of up to 5% (expert positions).*
• Meal Allowance: Meal contribution of EUR 7.50 per working day, of which EUR 6.50 is paid by the employer, provided in advance via a Ticket Restaurant card or as a financial allowance. 
• Cafeteria Benefits: Monthly contribution of EUR 25 to the Cafeteria benefits system or a MultiSport card.* 
• Company Mobile Phone: Company mobile phone for both business and personal use, including unlimited calls, SMS/MMS, and 15 GB of EU roaming data at 4G speed. After the data allowance is consumed, the speed is reduced to 128 kbps. 
• Flexible Working Hours: Employees can organize their working day according to their preferences, while respecting the core working hours from 9:00 AM to 2:00 PM. 
• My Days: Entitlement to one or more paid leave days without the need to provide a medical certificate. The number of days is determined by the line manager. Additional paid leave is provided to parents of first-grade schoolchildren on their child’s first school day.* 
• Employee Referral Bonus: Reward of up to EUR 1,700 for the successful referral of a candidate hired on a permanent employment contract. 
• Telekom Product Discounts: Discounts of up to 50% on Telekom products, including internet, fixed-line, and mobile services. 
• Partner Discounts: Discounts with dozens of partners in the areas of health, sports, fashion, culture, travel, housing, and education.* 
• Supplementary Pension Contribution: Employer contribution to the employee’s selected supplementary pension scheme in the amount of 1.5% of gross salary.* 
• Learning & Development: Career development and training opportunities focused on both soft and hard skills. Employees receive a EUR 180 contribution towards language courses on each employment anniversary with DTSE Slovakia. 
• Corporate Events: Summer and Christmas parties, St. Nicholas Day events, Health Days, blood donation campaigns, team-building activities, and more. 
• Mojra.sk Psychological Counselling: Access to psychological counselling services through Cafeteria benefit points.* 
• Benefits for Future Parents: Employees receive a EUR 100 contribution upon the birth of a child. Fathers receive one additional week of paid leave on top of the statutory two-week paternity leave. Employees going on parental leave may retain their company mobile phone for up to one year. 
• Relocation Bonus: Employees relocating from another country to Slovakia based on an employment contract with DTSE Slovakia are eligible for a EUR 1,500 relocation allowance, paid during the first three months of employment (EUR 500 per month).

* Available after successful completion of the probation period as defined in the employment contract.