Senior Developer (ARDA / PostgreSQL) New York

We are looking for a Senior Developer (ARDA / PostgreSQL) to join a large- scale enterprise modernization project. The ideal candidate will have strong experience with ARDA , PostgreSQL , and enterprise database environments, with a proven ability to support application modernization initiatives, database segregation, and high-performance production systems.

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.

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)