Senior Software Engineer, Fullstack

🏢 Posh · 📍 New York City · 💼 onsite · ⏰ FullTime

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Position Summary & Responsibilities

About Posh

We are all social creatures, but the dominant “social” companies today have evolved into digital loneliness machines, driving isolation, anxiety, and mental health challenges around the world.

Human connection is lost. Posh is a beacon guiding us back.

Posh enables anyone to build an IRL community based on shared interests, while connecting consumers with the communities of people just like them. Founded by event organizers who were frustrated with the growing loneliness epidemic and the tools available to build their own event brand, we’ve built the ultimate platform for launching, monetizing, and finding IRL communities of people just like you. In just 6 years, Posh has grown to a team of 70, expanded to 10M+ users, secured $70m in venture funding, and facilitated over $400M in transactions.

About The Role

At Posh, you'll help shape our platform that brings people together through live events. Your work will directly impact how event organizers create experiences and how attendees discover and enjoy them.

We're looking for someone who excels in both technical skills and leadership. You'll tackle exciting projects that push our platform forward. Some recent work includes building a system for users to follow each other, creating curated event playlists, and tools for affiliate event promotion. If you enjoy solving real-world problems and working in a fast-paced environment, you'll fit right in.

This is an in-person position at our New York City office located in the heart of SoHo, where you'll be part of a team that's revolutionizing how people connect in the real world.

Key Responsibilities:

Lead the architecture design and implementation of complex features.
Demonstrate full stack experience with specialization in either frontend, backend, or infrastructure while contributing to broader projects.
Collaborate on architecture and technical decisions that influence the direction of the platform, ensuring scalability, performance, and user-focused improvements.

🎯 Candidate Preparation Guide For Posh Applicants

Key Role Competencies & Evaluation Highlights

Key Role Focus:

Candidates are strictly evaluated on full-stack execution, community-driven product intuition, and building high-engagement event infrastructure.

📋 Preparation Priorities (Key Areas to Clarify):

1. Building bloated, slow frontends that fail under high-concurrency event registration spikes.
2. Lacking user empathy for community organizers and event attendees.
3. Overcomplicating backend architectures for simple CRUD use cases.

✨ Recommended Role Alignment Hook:

I build high-performance consumer platforms that handle massive traffic spikes and deliver seamless community experiences.

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