About the Opportunity We are looking for a Senior Engineer with deep expertise in SQL performance optimization and Node.js development to join our team. This role is highly focused on database-intensive applications where speed, scalability, and reliability are critical. Responsibilities Design and implement high-performance APIs in Node.js (execution in milliseconds, not seconds). Write and optimize complex SQL queries, focusing on speed, scalability, and data integrity. Collaborate with the team to define data models, indexing strategies, and schema changes to improve overall system performance. Work closely with application logic to ensure efficient database integration. Implement caching strategies to reduce load and improve response times. Ensure system resilience and scalability in production environments. Required Qualifications Strong hands-on experience with SQL databases (PostgreSQL, MySQL, or SQL Server). Proven ability in query optimization, indexing, stored procedures, and schema design. Professional experience building APIs with Node.js (JavaScript, not TypeScript). Solid understanding of application performance tuning. Experience with AWS (Lambda, RDS, etc.). Knowledge of Kubernetes and Docker (nice to have). Familiarity with caching techniques (Redis, Memcached, etc.). Ability to analyze and troubleshoot both application logic and database performance issues. Nice to Have Skills Background as an Application DBA or Developer with strong SQL focus. Exposure to DevOps environments (though not the focus of this role). Seniority Level Mid‑Senior level Employment Type Full-time Job Function Engineering and Information Technology Industries IT Services and IT Consulting J-18808-Ljbffr