Senior Backend Software Development Engineer

HackerRank is seeking a Senior Backend Software Development Engineer to drive technical direction of critical backend systems and lead delivery of high-impact, platform-level initiatives. You will own architecture and evolution of core backend services, mentor engineers across teams, and be a key technical decision-maker ensuring platform remains fast, reliable, and scalable. Responsibilities include architecting complex systems, defining technical strategy, establishing SLOs, designing API Fram

3-6 years experience building production backend systems; expert in Python, Ruby, Go, Java, or Node.js; proven distributed systems design; deep expertise in PostgreSQL/MySQL and NoSQL; caching (Redis/Memcached), messaging (Kafka/RabbitMQ); containerization (Docker/Kubernetes); leading technical projects. Also requires proficiency with AI-powered development tools, knowledge of LLMs and agentic AI, ability to leverage AI across SDLC, understanding of AI/ML fundamentals, and ability to evaluate AI