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Posh is a platform enabling people to build and discover in-person communities based on shared interests. Founded by event organizers frustrated with loneliness and inadequate community-building tools, Posh has grown to 70 team members, 10M+ users, $70M in venture funding, and facilitated over $400M in transactions in 6 years.
As a Senior Mobile Engineer, you will drive technical strategy and shape experiences that connect millions through live events. You'll lead development of high-performance, scalable, and delightful user experiences using React Native and Expo, with influence extending beyond coding to mobile architecture, product direction, mentorship, and organizational standards.
Key responsibilities include:
- Lead and influence high-impact, cross-functional mobile initiatives with product, design, and engineering leadership
- Own and evolve mobile application architecture, driving performance, accessibility, and maintainability
- Define organizational standards for mobile quality, scalability, developer experience, and design system consistency
- Partner with design and product teams to translate complex ideas into intuitive, beautiful interfaces
- Own end-to-end release processes including versioning, build generation, App Store/Play Store submissions, and post-release monitoring
- Mentor and grow senior engineers through coaching, workshops, and documentation; foster constructive feedback and continuous improvement
- Champion best practices in mobile tooling, testing, CI/CD, and code quality across teams
- Balance rapid experimentation with sustainable, scalable design
This is an in-person position at the NYC office in SoHo.
QUALIFICATIONS:
- 5-7 years of experience leading complex frontend projects at scale with significant organizational impact
- 3-4 years of deep expertise in mobile development with Swift or Kotlin, with strong track record of building and shipping high-quality mobile applications
- 1-2 years of experience with React or React Native
- Proven track record shaping mobile architecture and technical strategy for consumer-facing products
- Experience mentoring and developing senior engineers, and building frameworks for org-wide growth and knowledge sharing
- Strong collaboration skills with ability to influence across technical, design, and product teams
- Experience with design systems, component libraries, and cross-platform interface development
- Background in consumer, social, or marketplace products a plus—especially those focused on building real-world communities
