Staff Software Engineer, Backend

The role

You will set the technical direction for backend systems and own architecture across multiple services. You will write production code, drive platform improvements, and mentor engineers.

What you will do

• Own backend architecture across multiple services and team boundaries
• Write production code daily
• Partner with engineering leads and product managers to scope large initiatives
• Improve scalability, performance, and reliability
• Identify and clear technical debt across teams
• Build security and observability into systems
• Build with data in mind including instrumentation, pipelines, and tooling
• Mentor engineers across levels and shape technical culture
• Participate in technical interviews and calibration

Required qualifications

• 8+ years of backend engineering experience, including time as a Staff, Principal, or technical lead
• Has designed and delivered systems that span multiple services or teams
• Deep expertise in backend systems: APIs, data modeling, distributed systems, event-driven architecture
• Strong working knowledge of the full stack
• Proficient in technologies relevant to our stack (e.g., Java, Node.js, PostgreSQL, MongoDB AWS or similar cloud providers)
• Has scaled platforms operationally
• Communicates technical tradeoffs clearly to engineers, product, and business leaders

Nice to have

• Experience at a consumer, social, or marketplace company

Before you apply

• Please include links to your GitHub profile or a portfolio of past projects

About the company

Posh is a platform that enables anyone to build an IRL community based on shared interests. It has a team of 70 and over 10M users.