Data Engineer

**Work Schedule** Standard (Mon-Fri) **Environmental Conditions** Office **Job Description** **Summarized Purpose:** We are offering an opportunity for a Mid-Level Data Engineer to design, build, test, tune, and support production data pipelines using PySpark, Python, advanced SQL, AWS data services, secure data handling practices, and AI-assisted data engineering capabilities. **Education/Experience:** * Bachelor's degree or equivalent in Computer Science, Information Technology, Data Engineering, or related field * 3-5 years of experience in data engineering, ETL development, SQL, AWS data platforms, or production data pipeline support **Major Job Responsibilities:** * Develop, test, tune, and maintain ETL and data pipelines using PySpark, Python, SQL, and AWS services * Support ingestion and transformation of flat files, relational databases, APIs, data warehouses, and enterprise data sources * Collaborate with business analysts, data architects, QA, DevOps, and senior engineers to implement source-to-target mappings and data solutions * Implement CDC, incremental load design, idempotent pipeline processing, and data reconciliation patterns for reliable data movement * Maintain technical documentation, mapping specifications, data catalog updates, runbooks, automated tests, and release support materials **Knowledge, Skills, and Abilities:** * Hands-on experience with PySpark, Python, advanced SQL, ETL best practices, data modeling, and large-scale data processing * Deep knowledge of Redshift performance tuning including distribution keys, sort keys, compression encoding, Spectrum, materialized views, WLM, vacuum, and analyze * Strong knowledge of Athena optimization including partition pruning, file formats, compression, schema evolution, and cost-efficient query design * Strong understanding of DynamoDB data modeling, access-pattern-based design, capacity planning, GSIs/LSIs, TTL, Streams, and performance tuning * Exposure to secure PHI/PII handling including encryption, access controls, auditability, retention, masking, and de-identification where applicable * Strong analytical, troubleshooting, documentation, communication, and cross-functional collaboration skills **Must Have Skills:** * PySpark, Python, advanced SQL, ETL development, and data pipeline implementation experience * AWS data services experience including S3, Glue, Lambda, Step Functions, ECS, DynamoDB, Redshift, PostgreSQL, SQL Server, and Athena integration * Flat-file ingestion, source-to-target mapping, transformation logic, CDC, incremental loads, idempotent processing, reconciliation, and data quality checks * CI/CD, GitHub workflows, automated testing, and release management for data pipelines and database changes * Problem-solving, production support, debugging, documentation, and Agile delivery skills **Good to Have Skills:** * Exposure to AI-assisted mapping automation and use of LLMs for data cleaning, data quality checks, transformation logic, or documentation * Familiarity with RAG patterns, embeddings, vector databases, semantic search, or AI-enabled data discovery solutions * Understanding of healthcare data standards such as HL7, FHIR, CCD, claims data, EMR extracts, clinical trial data, and patient de-identification * Familiarity with infrastructure as code such as Terraform or CloudFormation, plus Databricks, Snowflake, streaming, observability, or DevOps practices **Working Hours:** * Philippines: 08:00 PM to 05:00 AM PHT