Silvio Esterilla Elles

Silvio Esterilla Elles

About

Detail

Software developer
Medellín, Antioquia, Colombia
Contact Silvio regarding: 
work
Full-time jobs
Starting at USD4k/month
Flexible work

Timeline

work
Job
school
Education

Résumé

Jobs verified_user 0% verified
  • O
    Sr Backend Developer
    Option Latam
    May 2024 - Current (2 years 6 months)
    • Designed and maintained API integrations enabling communication between internal services and UI components.
    • Built microservices with Java/Spring Boot, following team best practices and coding standards.
    • Wrote unit and integration tests to ensure reliability and coverage.
    • Deployed and operated services on AWS using Docker.
  • remoti
    Sr Backend Engineer
    remoti
    Dec 2022 - Jul 2024 (1 year 8 months)
    • Led architecture decisions and developed new backend features; partnered with the Engineering Manager to evolve existing products.
    • Mentored/trained junior developers and supported delivery best practices.
    • Designed REST APIs, wrote unit/integration tests, and improved reliability and performance.
    • Integrated services across AWS; collaborated with frontend teams using Angular and Flutter; contributed to Node.js services when needed.
  • T
    Sr Backend Developer
    Team International YSG
    May 2022 - Mar 2024 (1 year 11 months)
    • Designed and built REST APIs and microservices with Java/Spring Boot, following team best practices.
    • Wrote unit and integration tests to ensure reliability and maintainability.
    • Deployed and operated services on AWS using Docker; implemented CI/CD and observability.
  • L
    Backend Developer
    Lumation
    Apr 2022 - Dec 2022 (9 months)
    • Designed and built APIs to store and manage data for the Promoton portal application.
    • Implemented data models, validation, and access control; automated flows via Jira and versioned code in Bitbucket; deployed to AWS.
  • Holcim
    Integration Developer
    Holcim
    Jan 2022 - May 2022 (5 months)
    • Designed system architecture using core AWS components (networking, storage, compute, observability).
    • Built and integrated APIs with API Gateway + Lambda (serverless), secured with Cognito, and managed credentials via Secrets Manager.
    • Implemented IaC/automation and best practices for reliability, security, and cost.
  • J
    Senior Java Developer
    Jedify
    Jan 2022 - May 2022 (5 months)
    • Led technical decisions, database & architecture design, and set engineering best practices; mentored Jr/SSr developers and reviewed code for compliance.
    • Partnered with customers to capture business requirements and translate them into microservices and APIs; coordinated delivery via Trello/GitLab; collaborated with React teams.
  • Nisum
    Full-Stack Developer
    Nisum
    Jun 2021 - Nov 2021 (6 months)
    • Built and maintained full-stack features for Walmart Chile, delivering RESTful services with Node.js/Koa and modern UIs with React.
    • Implemented unit tests with Sinon, integrated service discovery/config via Consul, and optimized performance/reliability across services.
  • freelance
    Software Developer
    freelance
    Jan 2021
    • Delivered end-to-end web apps: REST APIs/microservices with Java/Spring Boot and Node/NestJS; SPAs with Angular 8/9 + Redux.
    • Built CI/CD pipelines in Azure DevOps, containerized services with Docker, and deployed to AWS/Azure.
    • Designed schemas and optimized queries across PostgreSQL, SQL Server, and Oracle.
    • Collaborated directly with clients; used Git/SVN for version control and wrote unit/integration tests.
  • Sophos Solutions
    Technical Analyst
    Sophos Solutions
    Jan 2020 - Jan 2021 (1 year 1 month)
    • Developed a back-end and front-end application for Bancolombia’s CEDEX department, focused on managing RPA processes in collaboration with Project Managers.
    • Participated in all stages of the software development lifecycle — from technical design to implementation and deployment.
    • Applied hexagonal architecture principles to ensure maintainable, modular, and scalable code.
  • B
    Software Developer
    BPT Software Integration
    Jul 2019 - Nov 2019 (5 months)
    • Contributed to the development of an E-commerce platform for Bon Bonite, building and maintaining multiple front-end modules and developing various APIs to expose business data.
  • T
    Mid Web Developer
    Technology Specialist Group
    Jul 2017 - Jul 2019 (2 years 1 month)
    • Developed multiple portlets for Leonisa’s E-commerce and CRM platforms, enhancing business functionality and user experience.
    • Contributed to the development of the calendar application (back-end and front-end) to manage catalog sales dispatch schedules, ensuring efficient order processing.
  • Xoftix
    Junior Developer
    Xoftix
    May 2015 - Jun 2017 (2 years 2 months)
    • Built a configurable online help module managed by an administrator user, improving usability and user autonomy.
    • Collaborated closely with Project Managers, stakeholders, and Product Owners to define and validate functional requirements, ensuring business alignment.
    • Provided technical support for the Panama Weapons Management System, responsible for overseeing firearm ownership, carrying, and distribution permits.
Education verified_user 0% verified
  • Certiprof
    Scrum Foundational Professional Certificate
    Certiprof
    Jan 2019
  • Fundacion Universitaria Tecnologico Comfenalco
    System Engineer
    Fundacion Universitaria Tecnologico Comfenalco
    Feb 2015 - Jun 2017 (2 years 5 months)
  • Fundacion Universitaria Tecnologico Comfenalco
    Software Development Technologist
    Fundacion Universitaria Tecnologico Comfenalco
    Feb 2012 - Aug 2015 (3 years 7 months)