Senior Software Engineer, Fullstack

The role

You will lead architecture design and implementation of complex features for a platform that brings people together through live events. You will work on full stack projects including frontend, backend, or infrastructure to ensure scalability and performance.

What you will do

• Lead the architecture design and implementation of complex features.
• Demonstrate full stack experience with specialization in frontend, backend, or infrastructure.
• Collaborate on architecture and technical decisions.
• Focus on performance optimization and system reliability.
• Build with data and analytics in mind.
• Drive experimentation with MVPs.
• Contribute to frontend design systems, database design, or dev ops/infrastructure.
• Provide mentorship to engineers.

Required qualifications

• 5+ years of experience leading complex technical projects with significant business impact.
• Strong expertise in a specific area (e.g., frontend, backend, or infrastructure) while maintaining broad knowledge of the full stack.
• Proficiency in relevant technologies (e.g., React, React Native, Typescript, AWS or similar cloud providers).
• Experience in either mobile app development or backend systems.
• Experience with scalability, performance optimization, and building tools that support data-driven decision-making.
• Strong problem-solving skills.
• Ability to lead initiatives, mentor others, and communicate effectively across technical and non-technical teams.
• Include links to your GitHub profile or a portfolio of past projects.

Nice to have

• Experience working at consumer, social, or marketplace companies

About the company

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