Karijera

Otvorene radne pozicije

Medior ML Engineer

We are looking for a Medior ML Engineer to actively participate in the full lifecycle of developing our advanced predictive models and AI solutions. The focus of this role is on independent work regarding the development, training, and validation of models (from specific feature preparation to prediction and evaluation), with support and mentorship from seniors on more complex structures.

At Mozzart, people make the difference. What sets us apart is a culture built on trust, shared knowledge, and space for ideas to grow. Operating across seven markets in Europe and Africa, we are committed to creating a workplace where people feel supported, valued, and motivated to develop. Our success is grounded in expertise, continuous learning, and a responsible approach to business. Recognised as a Top Employer and an Oscar of Quality award winner, we remain focused on what truly matters - collaboration, personal growth, and long-term impact. Beyond our teams, we stand by the communities we are part of, supporting initiatives in sports, education, healthcare, and humanitarian causes. Who you play with matters.

Opis pozicije

  • Independently develop, train, and fine-tune ML models for various business needs (classification, regression, clustering / segmentation).
  • Independently locate data and construct features from data warehouses (DWH) using SQL to support ML model requirements.
  • Participate in the development of generative AI tools (RAG systems) and smart AI assistants. (Experience with GenAI/LLMs is considered a strong plus)
  • Collaborate with seniors and technical teams to prepare models for stable operation in a production environment.

Uslovi

  • Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Data Science, Organizational Sciences, Economics or a related technical field
  • 2-4 years of experience in ML model development and implementation.
  • Excellent knowledge of SQL and Python (Pandas, NumPy, Scikit-Learn, XGBoost).
  • Experience working with databases and preparing data for modeling purposes.
  • Mandatory hands-on experience working with server environments (either On-Prem or Cloud) – the candidate must have experience developing and running models outside of a local machine environment.
  • A strong desire to learn, grow, and advance alongside more experienced colleagues.

Nudimo

Your work-life balance is essential to us, so we offer you:

  • 22 - 26 days of annual leave
  • 38-hour working week, because we value your time
  • Flexible working hours
  • Hybrid working model

 

Your health and well-being are crucial to us, so we have you covered:

  • Private health insurance
  • Mental health and well-being initiatives
  • Open feedback culture

 

We care about your personal development and professional growth, so we provide:

  • Career development program
  • Opportunity to take technical, language and soft skills trainings

 

If you are interested in the mentioned position and meet the required qualifications, please submit your CV through the application process.

We appreciate every candidate who applies for the position, and we will contact those candidates with whom the selection process will be initiated.

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Olivera Pantović

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Deo sam Mozzartovog tima od aprila 2018. godine. Nakon godinu i po dana provedenih na poziciji junior menadžera proizvoda u Sektoru klađenja na brojeve pružena mi je prilika da svoju karijeru nastavim da razvijam u izazovnom radnom okruženju na mestu menadžera bonusinga, a sada i da vodim zaseban Sektor za razvoj i upravljanje odnosima sa igračima. Moj posao je dinamičan i kreativan, usmeren na zadovoljstvo krajnjeg korisnika, ali i usko povezan sa svim ostalim sektorima u okviru kompanije. Sa direktorima proizvoda, od kojih od prvog dana imam punu podršku i pomoć u radu, radim na unapređenju postojećih i osmišljavanju novih benefita za igrače, dok njihovu implementaciju sprovodimo sa kolegama iz IT-ja. Kako je igra svakog igrača ponaosob specifična, neophodno je da i benefiti budu u skladu sa njihovom igrom i prepoznatim potrebama, što je jedan od ciljeva sektora koji vodim. Pored svih prednosti rada u Mozzartu i mogućnosti za usavršavanje koje naša kompanija pruža svojim zaposlenima, posebno bih izdvojila tim ljudi sa kojima radim, jer na osnovu ličnog iskustva mogu da potvrdim da daju sve od sebe da mlade ljude usmere ka uspehu i pruže im podršku u radu i daljem obrazovanju.

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