unpack

unpack

unPack is a luggage rental service based in New York. The company offers a convenient solution for travelers by delivering bags to hotels via UPS by 5 pm on check-in dates. Customers can rent luggage for up to six days, making it easier to manage their travel needs. Another entity named unpack is an e-learning platform that supports tech course creators. It allows them to create and scale cohort-based learning communities, fostering collaboration and engagement among learners. Additionally, unpackai is a software library designed for developers, available for installation via pip. Each of these companies operates under the "unpack" name, serving different markets and needs.

e-learning
1-10
Founded 2021

Description

  • Design, write, and maintain high-throughput backend microservices primarily in Golang, with Node.js (TypeScript) support.
  • Own and evolve the Kafka-based event-streaming infrastructure, including partitioning, ordering, and asynchronous workflows.
  • Architect, scale, and optimize data layers using Redis and MongoDB.
  • Deploy, manage, and debug services in Google Cloud Platform and Kubernetes environments.
  • Translate ambiguous product requirements into scalable RESTful and GraphQL APIs.
  • Solve complex backend calculations and business-logic problems for domains such as gaming, payouts, or financial transactions.
  • Take ownership of service reliability and production performance.
  • Work across the full feature lifecycle from initial design to production release.

Requirements

  • 5+ years of backend engineering experience with elite Golang proficiency.
  • Strong production experience with JavaScript/TypeScript and Node.js.
  • Extensive hands-on experience with Apache Kafka in production.
  • Understanding of consumer groups, offset management, message delivery guarantees, and race conditions.
  • Real-world experience deploying and debugging containerized Go services on GCP and Kubernetes.
  • Advanced understanding of Redis and MongoDB data modeling, caching, and indexing.
  • Prior experience in small, fast-moving teams or early-stage startups with end-to-end ownership.
  • Ability to pass a hands-on technical assessment covering Go concurrency, system design, and Kafka event handling.
  • Strong mathematical background or intuition for complex calculation problems (preferred).
  • Exposure to or interest in LLMs, autonomous agentic workflows, or meta-prompting (preferred).
  • Availability to align working hours with EST and Eastern Europe (EET) business hours (preferred).

Benefits

  • Extreme architectural autonomy and minimal bureaucracy.
  • Work with a highly competent, autonomous team.
  • Strong support for professional growth.
  • Clear growth path into senior architecture and engineering leadership.
  • High-growth upside for engineers who take full ownership and scale the platform.

Interested in this position?

Apply directly on the company website

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