Full Stack Developer for LLM agent applications BA

Deutsche Telekom Services Europe is an internal services provider of Deutsche Telekom, one of the world's leading integrated telecommunications companies.

We feel as much at home in the cosy middle of Europe, Brno, as we do in other 9 European locations. Our shared mission is to put priority on customer satisfaction, quality and innovations in areas of finance and procurement services.

We are on our way to become industry's top service company and we want you to be a part of the success story! Apply now and design with us the world of tomorrow.


What will be your key responsibilities:

Which challenges are expecting you:
• You will be responsible to improve our backends and frontend for LLM-backed agent applications such as our Chatbots.
• Our frontend in use is built in JavaScript / TypeScript using the frameworks NextJS and React.
• 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 in Košice or Bratislava 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).

What experience should you have:

Your skills:

• Profound experience in software development using Python programming language, preferably in frameworks like FastAPI, Celery and data science libraries such as pandas, scikit, plotly etc.
• Advanced knowledge of JavaScript and common frontend libraries (preferably React/NextJS)
• Furthermore, knowledge in LLM frameworks such as LangChain, Haystack 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. German is nice to have, but not necessary


What do you get in return:

  • Annual bonus
  • Fully paid meal vouchers
  • Mobile phone also for private use
  • Notebook
  • Discounts for selected Telekom products
  • Supplementary pension saving contribution
  • Cafeteria system of benefits/Multisport card
  • Sick days
  • Sports club & Health days
  • Teambuildings, summer & Christmas party
  • Opportunities for career growth
  • Referral program
  • Flexible working time
  • Employee Assistance Program: Free telephone and e-mail access for our employees and their family members to the following professionals: Psychologist, Consultant, Lawyer, Financial Consultant
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