India onlyOur PeopleWith over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.
Our ImpactAs of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.
About the Role:We’re looking for a Lead Engineer to join our Calendar Platform Builder Team, which is building the foundational infrastructure for the next generation of scheduling systems.
This team is on a mission to enable businesses and developers to build flexible booking workflows across diverse industries — from salons and fitness centres to healthcare, education, sales, and rentals. We believe in Configuration over Code — empowering builders to define their scheduling logic, rules, workflows, and availability models without rewriting core logic.
As a Lead Engineer, you’ll help architect and evolve this highly extensible platform. You’ll drive cross-cutting initiatives, mentor engineers, and build backend components that other teams, partners, and customers rely on to build sophisticated scheduling systems on top of our infrastructure.
Requirements:
- 6+ years of backend engineering experience, with at least 2 years in technical leadership roles
- Deep experience designing platforms, frameworks, or extensible APIs used by other developers
- Hands-on expertise in distributed systems, asynchronous processing, and scalable microservices
- Experience balancing developer flexibility with system guardrails — strong grasp of "configuration over code" and platform product thinking
- Strong system design, data modeling, and observability practices — especially in performance-sensitive, high-throughput environments
- Comfortable making architectural trade-offs and driving technical direction in ambiguous spaces
Responsibilities:
- Lead the design and development of core platform primitives — availability resolution, appointment lifecycles, time zone handling, and state-driven workflows
- Architect a system that prioritizes configuration-driven behavior over hardcoded logic, enabling dynamic rule-based booking flows
- Build scalable, composable services using NestJS, Redis, Firestore, MongoDB, PostgreSQL, and GCP services like Cloud Tasks, Scheduler, and Pub/Sub
- Partner with product managers to translate industry-agnostic scheduling needs into developer-facing building blocks
- Drive platform-wide consistency in API design, configuration modeling, error handling, and extensibility
- Collaborate across engineering teams to ensure platform reliability, observability (Grafana/Prometheus), and maintainability
- Mentor engineers and foster a strong culture of platform thinking, technical excellence, and high ownership
Bonus Points:
- Experience building or integrating with calendar APIs, scheduling tools, or booking platforms
- Familiarity with recurrence rules (RRULE), slot generation, conflict resolution, and multi-provider calendar sync
- Passion for enabling others — be it developers, partners, or other internal teams — to build great things on top of your systems
#NJ1
United States
