Bjak

Machine Learning Engineer, Applied AI

Bjak
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27 days ago
Portugal (city not specified)Senior

Responsibilities

  • Build and improve ML models for classification, ranking, retrieval, personalization, and search relevance.
  • Optimize classifiers and models for accuracy, precision, latency, cost, and reliability.
  • Improve context retrieval using embeddings, hybrid search, and reranking.
  • Build personalization models based on user behavior while respecting privacy.
  • Develop evaluation pipelines, labeled datasets, and metrics for measuring model quality.
  • Fine-tune and adapt existing models when sufficient data is available.
  • Build and maintain ML training, inference, and deployment pipelines.
  • Debug production issues, monitor model performance, and ship improvements based on real-world feedback.
  • Collaborate with engineering and product teams to deliver reliable ML-powered features.

Requirements

  • Strong foundations in machine learning and modern neural architectures.
  • Hands-on experience building and deploying ML models in production.
  • Experience with classification, ranking, retrieval, recommendation systems, or personalization.
  • Understanding of model evaluation, experimentation, and performance metrics.
  • Ability to write production-quality code and work with real-world datasets.
  • Ability to balance model quality, latency, cost, and reliability.
  • Strong ownership and problem-solving skills.

Benefits

  • Small, high-talent-density, hands-on team with collective decision-making and continuous learning.
  • Interviews are conducted virtually and/or onsite, with a process of three and no more than four interviews.
  • Prompt hiring decisions are expected.

Tech Stack

Categories

Bjak

About Bjak

201-500 employees

Bjak builds an online insurance marketplace for consumers in Malaysia and Southeast Asia, enabling comparison and purchase of car, health, life, and travel policies. Its business model is aggregator-based, earning commissions and fees from insurers and partners while streamlining digital applications and renewals. Founded in 2019 and headquartered in Selangor, it is privately held and is expanding from insurance comparison into broader fintech services via a planned finance super app.

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