Skip to content
PoshPoshNew York, NY

Senior Software Engineer

Lead architecture and development of complex features for a social events platform. Requires 5+ years leading technical projects, full-stack expertise with specialization in frontend/backend/infrastructure, and proficiency in React, React Native, TypeScript, and AWS.

180k – 220k/yr
On-site5+ YOEFullstack Engineering

About the role

What You'll Learn & Achieve

  • 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
  • Focus on performance optimization and system reliability, especially as our user base grows
  • Build with data and analytics in mind which provides actionable insights for business leaders and event organizers
  • Drive experimentation with MVPs, balancing rapid iteration with long-term sustainable growth and developer experience
  • Contribute to either frontend design systems, database design, or dev ops/infrastructure to ensure scalable, secure, and maintainable systems
  • Provide mentorship to engineers, fostering a culture of growth and collaboration

What We're Looking For

  • 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), with 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 and a passion for creating products that connect people in the real world
  • Ability to lead initiatives, mentor others, and communicate effectively across technical and non-technical teams
  • Experience working at consumer, social, or marketplace companies is a plus
  • Links to GitHub profile or portfolio of past projects required when applying

Skills

ReactReact NativeTypeScriptAWSFrontendBackendInfrastructureScalabilityPerformance OptimizationData Analytics

Similar roles

Fullstack Engineering jobs
Bestow

Senior Full-stack Software Engineer II

BestowDallas, TX

Lead frontend-leaning fullstack development for complex carrier and enterprise partner integrations at Bestow. Architect scalable UIs, APIs, and reusable patterns using React, TypeScript, Go/Python, and GraphQL while providing technical leadership to cross-functional teams.

180k – 200k/yr
Remote5+ YOEFullstack Engineering
Fal

Senior Software Engineer, Core Product Systems

FalSan Francisco, CA

Founding engineer owning fal's core product systems including billing, pricing, accounts, access, and API keys. Build reliable backend systems (Python/TS) with strong PostgreSQL and React surfaces; first priority is usage-based billing. 5+ years production backend experience required.

180k – 230k/yr
On-site5+ YOEFullstack Engineering
Postman

Senior Software Engineer, Marketing Engineering

PostmanSan Francisco, CA

Senior Software Engineer owning implementation, inventory, monitoring, and performance optimization of all third-party marketing integrations (pixels, trackers, analytics, consent banners) across Postman's web properties. Requires strong frontend and debugging skills plus stakeholder communication in a fast-changing compliance environment.

180k – 220k/yr
On-site5+ YOEFullstack Engineering
Check

Senior Software Engineer

CheckNew York, NY +1

Senior Software Engineer building features for payroll, tax, and compliance systems. Requires 5+ years experience with complex systems and autonomy on cross-functional projects.

180k – 225k/yr
Remote5+ YOEFullstack Engineering
Infisical

Senior Full Stack Engineer

InfisicalUnited States

Senior Full Stack Engineer building and expanding security infrastructure platform features including PKI, SSH, and KMS product lines. Requires deep JavaScript expertise and customer-facing development experience.

180k – 250k/yr
Remote3+ YOEFullstack Engineering