Founding Backend Engineer - Marketplace and Logistics - Remote (USA)

Job Title: Founding Backend Engineer

Location: Remote

Company: Flocker

Position Overview:

• Design, build, and maintain Flocker’s backend services and APIs (FastAPI + PostgreSQL, migrating to DynamoDB over time).
  

• Implement authentication, session management, and secure cookie flows (FastAPI Users + CloudFront).
  

• Develop and scale real-time data pipelines (Kinesis, Lambda, S3) for interaction logging and personalization.
  

• Build and optimize media handling pipelines (image/video upload, compression, CDN delivery via CloudFront).
  

• Architect and tune database schemas (Postgres → DynamoDB single-table design) with focus on cost-efficient scale.
  

• Collaborate with mobile/frontend engineers to deliver seamless, low-latency user experiences.
  

• Engage in the full software development lifecycle: design, coding, testing, deployment.
  

• Work in a fast-moving, agile startup environment — iterating quickly and adjusting priorities based on learning and feedback.
  

Requirements

• 5+ years designing, building, and scaling backend systems to millions of users.
  
• Expert in modern backend development (FastAPI, Django, Flask, or similar).
  
• Proven ability to build and launch products (startup, side project, or even a failed venture).
  
• Experience with relational databases (Postgres/MySQL) and exposure to NoSQL systems.
  
• Track record of shipped products or platforms we can see live today.
  
• Leadership ability, self-motivation, and comfort navigating ambiguity.
  
• Ready to operate with founder-level ownership and commitment.
  
• Bonus: Experience with real-time data pipelines, cloud infrastructure (AWS), or consumer apps.
  
• Bonus: Demonstrated experience building or scaling marketplace platforms with integrated logistics flows (matching, routing, ticketing, or fulfillment systems). e.g. Uber, Lyft, Airbnb, or Doordash.
  
  

Benefits