Linder Hassinger

Software consultancy — Tech Lead & contributor across multiple simultaneous client projects

• Tech Lead for Umana — architected backend of an HR/recruitment SaaS, designing REST APIs, database schema, and AWS infrastructure (EC2, RDS, S3) for a scalable multi-tenant system
• Full stack developer for Corazón Puro — integrated Stripe for subscription flows, webhook handling, and secure checkout; delivered critical performance improvements
• Senior Frontend Developer for Lonely Planet (Red Ventures) — contributed to large-scale migration from Next.js to Astro for a travel platform serving millions of monthly visitors

Global software agency — embedded engineer for major US media and sports brands

• SNY (SportsNet New York) — Built a greenfield sports streaming app from scratch in SwiftUI, launching simultaneously on iOS and Apple TV; full multi-platform release (iPhone, iPad, Apple TV) in a single accelerated cycle
• FanDuel — Built a greenfield sports betting & streaming web platform from zero to production in Next.js, working in a monorepo shared with React Native mobile
• MSG Go (Madison Square Garden) — Developed full-stack features and led migration to a new video streaming player, modernizing media delivery infrastructure across devices

Technical university — Lima, Peru

• Taught Programming Fundamentals, Advanced Mobile Programming, and Intro to Databases to cohorts of 20–40 students per semester
• Served as thesis advisor, guiding students through full-cycle software projects from proposal to final defense
• Developed curriculum and practical exercises covering React, Python OOP, and mobile development with Swift

Hotel tech startup — Lima, Peru

• Shipped hotel management apps to App Store (iOS) and Google Play (Android), managing the full release cycle
• Built a WhatsApp ChatBot integrated with Twilio for automated promotional offers, boosting guest engagement
• Developed a CMS-style admin panel for hotel staff to manage content and UI configurations without developer intervention

Logistics company — Lima, Peru

• Designed and built an ERP covering logistics and maintenance workflows, replacing manual spreadsheet-based processes
• Built a task assignment and tracking system for managers with progress dashboards and exportable reports
• Implemented a gamified bonus system tied to task scoring, improving team accountability

Pet-care marketplace startup — Lima, Peru

• Developed native iOS and Android applications for a pet-care marketplace connecting dog owners with trusted caregivers
• Built the web platform frontend enabling user onboarding, profile management, and booking flows

E-commerce logistics startup — Lima, Peru

• Implemented Social Login (Google & Facebook) across buyer and traveler user flows, reducing signup friction
• Architected a microservices layer for scheduled push notifications, decoupling delivery logic from the monolith
• Developed and shipped iOS app features using Swift; extended core product with new buyer and traveler modules