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Senior ML Engineer
Joom —Lisboa
- Período Integral
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Senior ML Engineer

Joom -
Lisboa

Candidatura rápida

Detalhes da oferta

Período Integral

Descrição completa da oferta

Joom is a global cross-border marketplace where millions can find anything they want at fair prices. Joom helps consumers to make shopping easy and entertaining and provides access to interesting and unique goods from around the world.

Joom is one of the key businesses of Joom Group, an international group of tech-centric group of e-commerce companies founded in 2016 in Latvia. Joom also includes other businesses: JoomPro, the first and only end-to-end cross-border B2B marketplace; JoomPulse, an AI analytics tool for Mercado Livre sellers; and Onfy, a pharmaceutical marketplace in Germany. Joom Group has offices in Latvia, China, Germany, and Brazil, with its headquarters in Lisbon, Portugal. We work as one international team, sharing knowledge and collaborating across countries, businesses and products.

We are looking for Senior ML developers to join our teams:

Marketing Automation team is responsible for automating marketing and optimizing its effectiveness. We are responsible for both external marketing (advertising purchases) and internal marketing (direct communications via push notifications/emails). We provide the infrastructure and tools for effective marketing. Tech stack: Spark, Scala, Python, Airflow, Go
JoomPro is the first and only end-to-end cross-border B2B marketplace. It serves small, medium, and large businesses, handling orders of any size from start to finish. Today, JoomPro operates in Brazil and Mexico, with plans to expand into other markets. You will focus on improving core search algorithms, enhancing the recommendation system's understanding of user queries, and increasing the relevance of products returned for those queries. Tech stack: Go, Python, Scala, Spark, modern LLMs, PyTorch, Docker, Kubernetes, Airflow, MongoDB, Cassandra, Kafka, Jenkins

Requirements

Strong algorithmic skills: knowledge of fundamental algorithms and data structures, as well as their implementation in standard libraries
Proficiency in any language: experience in developing and debugging distributed, high-load applications, and writing testable code
Industry experience in Machine Learning: familiarity with key modeling and training approaches (linear models, GBDT, DNN, etc.), knowledge of statistics, and end-to-end ML development experience, including raw data analysis, hypothesis formulation, model creation, experimentation, and deploying results into production

Preferred

Experience in developing recommendation or search systems
Experience training neural network models
Experience working with various data sources: Spark, Cassandra, Mongo, Kafka
Knowledge of Go

We offer

Compensation package: base salary and performance-based bonuses
Office-first: flexible hours with a possibility to work remotely 52 days per year
Care & Wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leave
Relocation Support: full assistance for a smooth relocation for the employees and their family
AI-first approach: licenses and access to a wide range of AI tools
Team & Growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional trainings, and English & Portuguese courses
Community & Engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of team work

Before applying for the above position please review our Candidate Privacy Notice here (https://legal.joom.com/recruitment/Joom_Unipessoal_LDA_Job_Applicant_Privacy_Notice.pdf). By responding to the vacancy, you acknowledge that you have read our Privacy notice.

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