Founding Backend Engineer – Marketplace and Logistics

Job not on LinkedIn

🕒 May 25

🗽 New York – Remote

🗽 New York – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

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Flocker

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2024

👥 B2C

🤖 Artificial Intelligence

B2C • Artificial Intelligence

Flocker is a consumer-facing app that helps people discover, create, and join real-life events with friends and like-minded people. It uses AI to recommend relevant friends and events based on logistics and users' history, enabling instant event creation for activities like pickup soccer, gym meetups, or playdates. Flocker focuses on simplifying social event discovery and coordination.

📋 Description

• 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

• Compensation: Salary plus equity • Opportunity to be part of a dynamic startup environment