Senior Backend Engineer, Real-Time AI & IoT Infra

Hapiko; New York (NY); Sur place; USD 130 000 - 190 000; Plein temps

Résumé du poste

Hapiko is building the real-time infrastructure behind Stickerbox, a voice-to-sticker printer for kids. We operate a hybrid Python-Elixir stack that processes tens of thousands of concurrent device connections and delivers sub-second responses.

We are looking for a Backend Engineer to own, evolve our infrastructure and APIs, scale streaming pipelines, and ensure reliability with strong DevOps practices. The role is based in NYC/Brooklyn with on-site presence preferred.

Qualifications

• 5+ years building and shipping backend systems in Python.
• Deep experience with FastAPI and asyncio patterns.
• Hands-on experience with Redis (caching, queues, pub/sub).
• Track record of designing reliable distributed systems.
• A DevOps mindset, comfortable deploying, monitoring, and scaling.
• Experience with GenAI/LLM pipelines deployed in production.
• Clear communication skills; can translate technical tradeoffs for the team.

Responsabilités

• Own and evolve real-time infrastructure handling thousands of device connections.
• Develop FastAPI services for device auth, user management, and integrations.
• Design and maintain reliable distributed systems with observability.
• Build and optimize data pipelines feeding evaluation systems.

Connaissances

Python

FastAPI

Redis

Distributed systems

DevOps mindset

GenAI pipelines

Outils

Docker

Elixir/Phoenix

Description du poste

Hapiko is building the real-time infrastructure behind Stickerbox, a voice-to-sticker printer for kids. We operate a hybrid Python-Elixir stack that processes tens of thousands of concurrent device connections and delivers sub-second responses.

We are looking for a Backend Engineer to own, evolve our infrastructure and APIs, scale streaming pipelines, and ensure reliability with strong DevOps practices. The role is based in NYC/Brooklyn with on-site presence preferred.