Data Scientist
Summary
Builds and deploys ML models for ranking, recommendations, and search relevance at a travel platform, collaborating with engineering to ship solutions.
Job Description
Job ID: MJ000277
About The Role
Traveloka's Data Science team solves complex problems and optimizes various aspects of the business — from search and ranking to broader operational and business challenges. You'll work across a range of problems, translating business goals into technical solutions, and get to work closely with ML Engineering to bring your models into production.
Key Responsibilities
- Collaborate with business and product stakeholders to understand challenges and goals.
- Translate business problems into technical requirements and modeling approaches.
- Develop, evaluate, and iterate on data-driven models and solutions (e.g. ranking, or other optimization problems within the team's scope).
- Partner with ML Engineering to bring solutions into production.
Qualifications
- Bachelor's in Computer Science, Data Science, Statistics, or related field. Master's a plus.
- 3-5 years of experience in Data Science or a related role.
- Strong ability to translate business requirements into technical specifications.
- Familiar with LLM-based systems (embeddings, structured extraction)
- Experience in ranking, recommendation, or search relevance
- Familiar with Causal Inference or Econometrics
- Experience in Optimization Techniques or Simulation
- Strong Python and experience with ML/Stats libraries (scikit-learn, LGBM, XGBoost, etc.).
- Proficient in SQL for data manipulation and analysis.
- Proactive, self-motivated, comfortable working independently on ambiguous problems.
- Comfortable working alongside AI tools (eg. Claude Code) to accelerate model development and analysis.
Good to Have
- Experience with A/B testing and experimentation platforms.
- Experience building or deploying ML models in production.
- Travel, Hospitality, or OTA experience.