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Sr Software Engineer

Computer Science Engineer

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Emmanuel Barrera Salazar

Name

Emmanuel Barrera Salazar

Availability

Partial Availability

Local Time

About

Senior Software Engineer specializing in industrial and fintech solutions consolidating enterprise-grade applications, with proven expertise delivering scalable systems serving 1M+ users.

Core Competencies:

  • Deep technical proficiency across modern web architecture, automation, and developer tooling using Typescript, EffectTS, NextJS, Playwright, and Azure ecosystems.
  • Rapid adaptation skills: learned C#, Python, React Native, Java/Spring Boot, Ruby on Rails to deliver work requirements.
  • Track record of modernizing legacy systems and leading performance optimizations.
  • Architecting secure payment integrations with Stripe, RevenueCat, and financial platforms.

Professional Impact:

  • Building InternetFriends — personal brand focused on developer tools, automation, and knowledge sharing.
  • Day-to-day: delivering mission-critical fintech applications at scale for 1M+ users.
  • Previously drove innovation at Robert Bosch, building web applications and consulting cross-functional teams.
  • Adept at navigating complex technical challenges while maintaining focus on business impact and user experience.

Professional Experience

Sr Software Engineer

Mar. 2025 - Present

Comunidad de Prestamos SAPI de CV

Building and scaling mission-critical fintech applications serving 1M+ users in Mexico. Leading mobile development with React Native and maintaining backend infrastructure with Ruby on Rails, working directly with C-level leadership to deliver high-impact features.

Key Projects (2)
  • →Zenfi App (Mexico) - Android & iOS
  • →Ruby and Rails Internal Tools

Sr Software Engineer

Oct. 2024 - Feb. 2025

Farmacias Guadalajara, S.A. de C.V.

Led modernization initiatives for legacy enterprise systems, focusing on warehouse logistics, inventory management, and supply chain optimization for one of Mexico's largest pharmacy chains.

Key Projects (2)
  • →Legacy Desktop Application Modernization for Purchasing & Logistics
  • →Modernization of KNAPP Warehouse Management System Integration

Software Engineer L3

Aug. 2019 - Apr. 2024

Robert Bosch México S.A. de C.V.

Led full-stack development and technical consulting for global enterprise applications at Bosch. Part of agile 3-developer team delivering high-velocity solutions across HR, financial systems, security compliance, and Industry 4.0 initiatives. Pioneered setting up LLM, DevOps, QA automation infrastructure while driving innovation and empowering non-technical teams through technology education and workflow automation.

Key Projects (8)
  • →National Platform for Preboarding and Onboarding Management
  • →Tariff Classifier for Aduanas
  • →Core Platform for Financial Planning and Forecasting, Audits using SQL/IBM Qube Jobs schedulers - 5 Renew Fullstack Projects
  • →Security Audits Dashboard for Management tiers
  • →Maintain and scale of Rexroth website chatbot
  • →QA Automation Framework using Azure Test Suites
  • →Many other small-projects on fullstack capability
  • →Internal collaboration with transversal departments - Innovation Supportive Role

Tech Support and Marketing Content Creator

Mar. 2015 - Feb. 2018

Zapata Camiones S.A. de C.V.

Assisted in tech support of the company's tech devices and created content for the company's social networks. Position held through various outsourcing companies (RJN Desarrolladora de Servicios, Excel Technical Services de Mexico).

Key Projects (2)
  • →Marketing Content Creator
  • →Tech Support - Tier 3