Backend Engineer/Lead - NestJS Framework

<p><p><b>Responsibilities :</b></p><p><br/></p><p><p><b>- Deep experience designing platforms, frameworks, or extensible APIs used by other developers</b></p><p><br/></p>- Deep experience designing platforms, frameworks, or extensible APIs used by other developers<br/><br/></p><p>- Hands-on expertise in distributed systems, asynchronous processing, and scalable microservices<br/><br/></p><p>- Experience balancing developer flexibility with system guardrails strong grasp of "configuration over code" and platform product thinking<br/><br/></p><p>- Strong system design, data modeling, and observability practices especially in performance-sensitive, high-throughput environments<br/><br/></p><p>- Comfortable making architectural trade-offs and driving technical direction in ambiguous spaces</p><p><b><br/></b></p><p><p>- Lead the design and development of core platform primitives availability resolution, appointment lifecycles, time zone handling, and state-driven workflows</p><p><br/></p>- Architect a system that prioritizes configuration-driven behavior over hardcoded logic, enabling dynamic rule-based booking flows<br/><br/></p><p>- Build scalable, composable services using NestJS, Redis, Firestore, MongoDB, PostgreSQL, and GCP services like Cloud Tasks, Scheduler, and Pub/Sub<br/><br/></p><p>- Partner with product managers to translate industry-agnostic scheduling needs into developer-facing building blocks<br/><br/></p><p>- Drive platform-wide consistency in API design, configuration modeling, error handling, and extensibility<br/><br/></p><p>- Collaborate across engineering teams to ensure platform reliability, observability (Grafana/Prometheus), and maintainability<br/><br/></p><p>- Mentor engineers and foster a strong culture of platform thinking, technical excellence, and high Points :</b></p><p><br/></p>- Experience building or integrating with calendar APIs, scheduling tools, or booking platforms<br/><br/></p><p>- Familiarity with recurrence rules (RRULE), slot generation, conflict resolution, and multi-provider calendar </p><p>sync<br/><br/></p><p>- Passion for enabling others be it developers, partners, or other internal teams to build great things on top of your systems</p><br/></p> (ref:hirist.tech)