AI SERVICES-Senior Data Scientist specialized on NLP- BA

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.

· 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.