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Machine Learning Engineer – Optimization, Data Platform
Location
Brazil
Posted
116 days ago
Salary
0
Seniority
Senior
Job Description
Machine Learning Engineer – Optimization, Data Platform
Semantix
• Implement, maintain and evolve data ingestion and processing pipelines across RAW, TRUSTED and REFINED layers; • Develop ingestion processes using AWS Lambda; • Manage data in Amazon S3 (Landing and Output), using Parquet and JSON formats and execution metadata; • Make data available for querying and analysis via Amazon Athena; • Ensure data quality, versioning and traceability; • Execute reprocessings and adjustments on existing pipelines; • Develop, maintain and tune optimization models based on Genetic Algorithms; • Tune parameters and fitness functions to improve solution quality, reduce execution time, and ensure stability and convergence of results; • Evaluate outcomes and support continuous improvement of operational performance; • Operate and evolve models already in production; • Integrate processing services using Amazon SQS; • Publish execution outputs, including optimization results, technical logs, and functional and operational metadata; • Support daily operation of pipelines and models in production; • Implement and maintain basic logs and metrics; • Diagnose failures and assist with fixes in the production environment; • Contribute to improvements in robustness, reliability and scalability; • Follow observability and operational standards defined by the team.
Job Requirements
- Hands-on experience in data engineering and distributed systems;
- Experience developing, operating and evolving optimization models based on Genetic Algorithms;
- Python (intermediate to advanced);
- Genetic Algorithms and fundamentals of optimization;
- REST APIs;
- AWS (hands-on): S3, Lambda, SQS, Athena, ECR, EKS (operational use);
- Docker;
- SQL (Athena);
- Git (GitHub / Bitbucket);
- Logs, metrics and observability.
Benefits
- Competitive salary;
- Caju (flexible benefits card) with a monthly top-up of BRL 1,060;
- Bradesco Health Plan;
- Bradesco Dental Plan;
- Preventive healthcare with Dr. Alper;
- Life insurance;
- Gympass;
- SESC benefits;
- Childcare allowance for parents;
- Bonus;
- Learning — area focused on developing hard and soft skills;
- Partnerships with educational institutions for technical training, MBAs, postgraduate courses, certifications, English and Spanish;
- Career plan;
- Discounts on products from a partner portal.
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