Senior Developer (ARDA / PostgreSQL) New York

Responsibilities: Refactor the ARDA application code to integrate with a dedicated PSI PostgreSQL database instance. Design and implement the segregation of PSI from the current shared database environment into a dedicated architecture. Review application dependencies to ensure secure and efficient integration. Design, develop, and implement solutions focused on application modernization. Participate in database migration projects while ensuring business continuity. Optimize database performance through performance tuning and best practices. Support enterprise-scale production environments and troubleshoot critical issues. Collaborate with cross-functional teams to design scalable and reliable technical solutions.

Job Requirements: 5+ years of experience as a Software Developer, Backend Developer, or similar role. Hands-on experience with PSI Database Segregation or dedicated PSI database implementations. Strong experience with PostgreSQL and SQL.Experience working with ARDA.Experience supporting enterprise-scale production environments. Experience with Application Modernization and System Design. Experience with database migrations. Strong knowledge of database performance tuning. Experience supporting business-critical production applications. Advanced English (required).Excellent problem-solving, communication, and collaboration skills.

Nice to Have: Experience with AWS Aurora PostgreSQL.Previous experience supporting Santander applications. Experience with ARDA or PSI-related systems.

Conditions: Payment: 4.300 USD.

Location: 100% On-site in New York, USA.

Schedule: Full-time. Project Duration: Long-term. Modality: contractor (freelance)