Job Description :

We're looking for a strong backend engineer to join our Platforms/Supply team and build the core systems that power inventory, capacity, scheduling, and supply-side operations across Cult.fit, the backbone that our fitness centers, classes, trainers, and partner network run on.

NOTE :

We require candidates from Product Industry background only.

This is a senior IC role with real technical ownership you'll help shape our supply platform charter across architecture, execution, and mentorship as the team scales.

What You'll Do :

- Design, build, and scale backend systems using Java and Node.js that power supply-side platforms, inventory, capacity management, scheduling, and catalog systems.

- Own system design and architecture for critical services scalability, reliability, and long-term maintainability.

- Build APIs and platforms that support trainers, centers, and partner onboarding/operations at scale.

- Drive performance and cost efficiency through smart data modeling, caching, and async processing.

- Ensure production readiness testing, observability, monitoring, and incident ownership.

- Partner closely with Product, Operations, App/Web, Data, and Design to translate supply-side business problems into robust backend solutions.

- Mentor junior engineers through design/code reviews and hands-on tech leadership.

- Use AI tools to boost developer productivity, streamline internal operational workflows, and cut manual effort.

- Help raise the engineering bar across the Platforms org.

What We're Looking For:

- Tech/M. 6 to 8 years of backend engineering experience in production-grade systems.

- Strong hands-on experience with Java (Spring Boot) or Node.js (NestJS/Express).

- Solid grasp of distributed systems, microservices, and API design.

- Experience with relational + NoSQL databases (PostgreSQL, MySQL, DynamoDB, MongoDB).

- Experience with caching (Redis/Memcached) and event-driven/async processing.

- Proven ownership of complex systems end-to-end.

- Strong problem-solving, communication, and ownership mindset.

- Comfortable in Agile/Scrum environments.

Good to Have:

- Kafka, Pub/Sub, SQS, or other streaming/messaging systems.

- Experience with capacity planning, scheduling engines, or inventory systems at scale.

- Experience leading technical initiatives across teams.