Sr Data Engineer

Sr. Data Engineer

At Onetree, we are looking for a Sr. Data Engineer to join our team and play a key role in data analysis, data modeling, and the development of data-intensive applications on Azure.

Key Responsibilities

• Analyze, model, and transform data to support business decision‑making, building analytics solutions with Microsoft Fabric: ingestion, transformation, semantic models, and reporting for business stakeholders.
• Design and optimize PostgreSQL data structures, including index design, query tuning, and schema evolution for large volumes.
• Develop and maintain data processing pipelines and asynchronous workloads using Python, Celery, and Redis, ensuring reliability, traceability, and observability.
• Build and maintain the applications that expose and operationalize data, working across the Django backend and the front‑end layer (HTML, CSS, JavaScript).
• Deploy, monitor, and optimize data workloads and applications on Azure, balancing performance, cost efficiency, availability, and maintainability.

Requirements

• Location: Candidates must be based in Mexico City and work in a hybrid model.
• Proven senior­‑level experience as a Data Developer / Data Engineer, with strong hands‑on data analysis and data modeling skills.
• Advanced knowledge of PostgreSQL, including query optimization and index design.
• Solid hands‑on development experience with Python and Django.
• Experience with Celery and Redis for asynchronous and scheduled data processing.
• Experience with Microsoft Fabric for data analysis.
• Experience deploying and operating solutions on Azure.
• Working knowledge of front‑end fundamentals: HTML, CSS, and JavaScript.
• Intermediate level of English.

What We Offer

• Opportunity to build challenging data analysis and data architecture solutions end to end.
• A highly collaborative work environment alongside senior technical teams.
• Hybrid work flexibility and continuous professional growth.