Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datasets Tackle high-scale engineering challenges to ensure reliability and efficiency under heavy traffic Collaborate cross-functionally with product, engineering, and leadership teams on backend features Proactively identify and resolve technical debt; lead refactoring projects to future-proof our stack Participate in team standups, code reviews, and deployment processes Mentor and support other engineers, helping to elevate team-wide technical excellence Take ownership of projects and drive initiatives from concept to production . 3+ years of backend software engineering experience Strong experience with Node.js and PostgreSQL (or equivalent relational databases) Strong SQL skills — able to write, debug, and optimize complex queries on large datasets Experience working on high-volume, consumer-facing platforms Solid understanding of backend architecture, distributed systems, and scalability principles Experience with DevOps practices and cloud infrastructure (preferably Google Cloud or AWS), including CI/CD, monitoring, and infrastructure as code Entrepreneurial mindset with a self-driven, ownership mentality Excellent collaboration and communication skills .