Data Analyst III

Position Overview

We are seeking a Senior Data Engineer to lead critical data infrastructure and migration initiatives for our next-generation application platform. This role is essential for establishing a robust, scalable data foundation as we transition from legacy systems to modern cloud-based architecture.

Key Responsibilities

Database Architecture & Design: Design and implement PostgreSQL databases and schemas from the ground up, ensuring optimal performance, scalability, and maintainability

Legacy System Migration: Lead the migration of large-scale Oracle databases from on-premises infrastructure to AWS RDS PostgreSQL clusters, managing data integrity and minimizing downtime

Real-Time Data Products: Build and optimize data products leveraging Apache Kafka, Apache Flink, and Apache Hudi to deliver reliable data streams to downstream consumers

Schema Analysis & Optimization: Evaluate existing database schemas, identify optimization opportunities, recommend structural improvements, and ensure database integrity throughout changes

Change Data Capture & Auditing: Design and implement comprehensive change auditing solutions that track data modifications, provide audit trails, and support compliance requirements

Data Governance & Documentation: Develop and maintain a data catalog and comprehensive schema documentation to facilitate seamless integration with application development teams

Required Skills & Experience

Database Expertise: Deep proficiency in PostgreSQL database design, administration, and optimization; strong understanding of relational database principles and SQL

Data Migration: Proven experience migrating large enterprise databases (Oracle to PostgreSQL preferred) with strong change management practices

Cloud Infrastructure: Hands-on experience with AWS services, particularly RDS, EC2, and associated networking and security configurations

Streaming & Real-Time Processing: Solid experience with Apache Kafka, Apache Flink, and data lakehouse technologies (Hudi, Delta Lake, or similar)

Data Modeling: Ability to design normalized and denormalized schemas, understand trade-offs, and optimize for both OLTP and analytical workloads

Change Data Capture (CDC): Experience implementing CDC patterns and audit logging systems for tracking data lineage and changes

Communication: Strong ability to translate complex data concepts for technical and non-technical stakeholders; skilled at documenting architectures and schemas

Preferred Qualifications

Experience with AWS Data Pipeline tools (Glue, Lambda, or Step Functions)

Knowledge of data quality and validation frameworks

Familiarity with infrastructure-as-code tools (Terraform, CloudFormation)

Prior experience in application modernization or legacy system replacements

Understanding of data security, encryption, and compliance requirements (GDPR, HIPAA, etc.)

Equal Employment Opportunity Statement

Gravity IT Resources is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees and applicants. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, veteran status, or any other legally protected characteristic. All employment decisions are based on qualifications, merit, and business needs.

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