Sr. Data Developer

At Onetree, we are looking for a Sr. Data Developer 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.

📌 Sr Data Developer (Ciudad de México)
🏢 Onetree
📍 Ciudad de México