renato@portfolio:~$ tail -n all ./career.log

5 years · backend, web platforms, mobile · across leading tech companies

the log.

// job · 01current

technical lead - full stack engineer

@ zaga labs, llc

nov 2025presentloc · remote, ecuador

Lead backend and frontend development for US-based enterprise clients. Architect and maintain microservices with Spring Boot, build Angular web applications, and drive technical decisions ensuring delivery quality across the stack.

key responsibilities
  • Architect and implement backend microservices using Kotlin and Spring Boot for enterprise clients
  • Build Angular web applications with TypeScript for complex business workflows
  • Design RESTful APIs and database schemas with PostgreSQL for scalable data access
  • Drive technical decisions on system architecture, technology stack, and development practices
  • Containerize applications using Docker for consistent deployment across environments
  • Collaborate with US-based stakeholders to translate business requirements into technical solutions
impact & achievements
  • Successfully delivered multiple enterprise-grade microservices for US clients
  • Established scalable architecture patterns adopted across multiple projects
  • Improved development velocity through standardized tooling and practices
leadership
  • Technical decision-making and architecture design
  • Cross-functional collaboration with international teams
  • Quality advocacy and best practices enforcement
technologies
KotlinSpring BootAngularTypeScriptPostgreSQLDockerREST APIsMicroservicesClean Architecture
// job · 02

senior software engineer - full stack

@ globant

nov 2024nov 2025loc · remote, ecuador

Developed full-stack solutions with Kotlin Multiplatform for applications serving 100K+ users. Built backend microservices with Spring Boot and Angular dashboards. Mentored team of 5 engineers and implemented CI/CD with Docker/Kubernetes.

key responsibilities
  • Developed cross-platform applications using Kotlin Multiplatform (KMP) with shared business logic across iOS, Android, and web
  • Built backend microservices using Kotlin and Spring Boot serving multiple client applications
  • Created Angular dashboards for admin tools and real-time monitoring systems
  • Mentored and led a team of 5 software engineers on clean architecture and best practices
  • Designed and implemented CI/CD pipelines with automated testing and deployment
  • Orchestrated containerized applications using Docker and Kubernetes for scalable deployments
impact & achievements
  • Applications served 100,000+ active users with high availability and performance
  • Reduced code duplication by 60% through effective KMP shared code strategy
  • Implemented scalable backend infrastructure handling thousands of concurrent requests
  • Established team-wide technical standards that improved delivery velocity
leadership
  • Technical mentorship and team development
  • Strategic decision-making and prioritization
  • Cross-functional collaboration and communication
  • Architectural design and system thinking
  • Code quality advocacy and best practices enforcement
technologies
KotlinKotlin Multiplatform (KMP)Spring BootSpring Data JPAAngularTypeScriptPostgreSQLRedisDockerKubernetesGitLab CIARCoreMicroservicesREST APIsClean ArchitectureMVVM
// job · 03

senior software engineer - full stack

@ thoughtworks

jul 2023nov 2024loc · remote, ecuador

Developed end-to-end solutions using Kotlin for Spring Boot backend and Android mobile. Built RESTful APIs with Spring Data JPA and PostgreSQL. Led architectural decisions and implemented authentication with Spring Security/JWT.

key responsibilities
  • Designed and built backend microservices using Kotlin with Spring Boot framework
  • Developed RESTful APIs with Spring Data JPA and PostgreSQL for efficient data access
  • Created native Android applications using Kotlin with modern architecture patterns (MVVM, Clean Architecture)
  • Implemented modern Android UI using Jetpack Compose for declarative user interfaces
  • Led architectural decisions on system design, API contracts, and microservices communication
  • Designed secure authentication and authorization systems using Spring Security with JWT tokens
impact & achievements
  • Successfully architected migration from monolithic to microservices architecture
  • Improved API response times by 40% through optimization and caching strategies
  • Reduced backend service deployment time by 50% through CI/CD automation
  • Mentored 3 junior developers who received promotions during my tenure
  • Implemented automated testing pipeline catching 80%+ of bugs before production
key projects

backend api platform

Handling 50,000+ daily requests with 99.9% uptime

android mobile application

Complex business logic with offline-first architecture

admin dashboard

Real-time monitoring and analytics

technologies
KotlinSpring BootSpring SecuritySpring Data JPAAndroid SDKJetpack ComposeAngularTypeScriptPostgreSQLRedisDockerJenkinsREST APIsJWTOAuth2MicroservicesClean ArchitectureJUnitMockito
// job · 04

full stack software engineer

@ lazarillo

aug 2021jul 2023loc · remote, chile/ecuador

Built accessibility-focused full-stack applications helping visually impaired users navigate their environment. Developed Android app, Angular web portal, and backend APIs with WebSockets. Created an Android SDK used by partner organizations.

key responsibilities
  • Developed native Android application using Kotlin for accessibility navigation
  • Built Angular web admin portal for content management and analytics visualization
  • Designed backend APIs with real-time location tracking using WebSockets
  • Created and maintained native Android SDK distributed for partner integrations
  • Implemented geospatial features using Google Maps API for navigation
  • Designed PostgreSQL database schemas for geospatial data storage
social impact
  • Reduced server infrastructure costs by 30% through Docker optimization
  • Built scalable WebSocket infrastructure handling 1000+ concurrent connections
  • Created reusable SDK adopted by multiple partner organizations
  • Optimized battery consumption for background location tracking by 40%
technologies
KotlinAndroid SDKAngularTypeScriptNode.jsPostgreSQLDockerAWS (EC2, S3, RDS)Google Maps APIWebSocketsREST APIsGitHub Actions
5
years experience
100k+
users served
4
companies
5
team members led
● main
ecuador