Data Engineer

Location

Mexico

Posted

9 days ago

Salary

0

Seniority

Mid Level

Job Description

Data Engineer

Nexaminds

Role Description Nexaminds is looking for a Data Engineer to lead the development, optimization, and scaling of our data solutions. The ideal candidate has hands-on expertise building end-to-end pipelines on Databricks and enjoys working in a fast-paced, highly collaborative environment. Qualifications - 5+ years Data Engineering in production Azure environments — Python, SQL, Spark - Python: production-grade OOP, config-driven design, no hardcoding, type annotations - PySpark / Spark: DataFrames, schema enforcement, partitioning, performance tuning - SQL: advanced window functions, CTEs, incremental load patterns, Delta Lake DML (MERGE, UPDATE, DELETE) - Azure Data Factory: parameterised pipelines, linked services, triggers, IR configuration - Azure Databricks: notebooks, Jobs API, DLT, cluster configuration, Unity Catalog access - ADLS Gen2, Delta Lake / Parquet format, Medallion store patterns - Testing discipline: pytest, unit and integration tests, data quality assertions - Git: feature branching, PR workflow, commit discipline, code review Requirements - Nice to have: - Scala: Spark Dataset API, typed transformations, sbt build tooling - Healthcare data formats: EDI X12 (837/835/834), FHIR R4 resource parsing - Delta Lake: schema evolution, time travel, OPTIMIZE, VACUUM, Z-ordering - dbt (data build tool) for SQL transformation layering and lineage documentation - Databricks Asset Bundles (DABs) for pipeline-as-code deployment - DP-203 Azure Data Engineer Associate certification Job Duties - Design and build the core reusable ingestion engine in Python and ADF — parameterised, config-driven, zero hardcoding - Build Python ingestion modules: file readers, schema validators, format handlers (CSV, EDI X12, FHIR R4, Parquet, JSON) - Implement PySpark / Scala transformation components for batch and streaming at scale on Azure Databricks - Write config-driven SQL data models for Bronze, Silver, Gold medallion transformations - Develop metadata-driven validation layer: null checks, type enforcement, range rules, referential integrity - Build reusable utility libraries: logging, error handling, retry logic, dead-letter routing - Implement Databricks notebooks and DLT (Delta Live Tables) pipelines for declarative transformations - Build and maintain the onboarding template library v1 and v2 — parameterised, documented, production-ready - Onboard Provider, Claims, Member, Eligibility, and Reference data domains using the framework - Write unit tests, integration tests, and data contract tests (pytest, Great Expectations or equivalent) - Optimise Spark jobs: partitioning, caching, broadcast joins, Z-ordering on Delta tables - Participate in code review, follow GitHub branching standards, and contribute to documentation Benefits - Stock options 📈 - Remote work options 🏠 - Flexible working hours 🕜 - Benefits above the law

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