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Michael CastilloMC

Michael Castillo

Software Engineer

€134/day
Madrid, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Michael

More than 4 years of experience in software development, design and implementation of scalable solutions, specializing in web development, RESTful APIs, distributed systems, generative AI, deployment automation, and agile methodologies. I have knowledge of exposure to enterprise platforms such as SAP S/4HANA, SAP Commissions, and Salesforce, collaborating in integration and automation processes for business and compensation flows. I have led and participated in high-impact projects for sectors such as e-commerce/fintech, health, and food, providing quality solutions and working in cross-functional teams.
  • Spanish

    Native or bilingual

Can work on-site
Madrid (up to 50km)

Experience

  • Mercado Libre
    Software Engineer
    E-COMMERCE
    October 2024 - Today (1 year and 8 months)
    Madrid, Spain
    • Development of the Dashboard/Hub for seller shop management, NextJS, Typescript, and NestJS.
    • Maintenance and implementation of BUS services with .NET Core, and CORE services with JAVA (Spring Boot) integrating functionalities with enterprise APIs and flows connected with Salesforce for customer and sales management.
    • Implementation of incentive calculation processes on back-office services, with exposure to SAP Commissions, participating in the technical integration of seller compensation systems.
    • Automation of CI/CD processes with GitHub and Jenkins, use of Blue/Green and Canary deployment strategies, deployments in test and prod scopes of AWS (Fargate, EC2, S3 Bucket, and Lambda).
    NestJs Next.js TypeORM React.js Motion Graphics
  • Swiss Medical Group
    Sr. Software Developer
    April 2022 - October 2024 (2 years and 6 months)
    Buenos Aires, Argentina
    • Technical lead in the re-engineering of the "Sample Collection Manual" project with Angular and NestJS.
    • Complete development and implementation of the Agile Prescriber, with Scrum methodology, ReactJs with Typescript, .NET Core for the app's CORE service, and NestJS for the BFF service. SQL and administration and deployment on AWS, CI/CD with GitLab, Jenkins, Docker, Kubernetes, and SonarQube.
    • Implementation and integration of commercial management and CRM tools, with technical exposure to Salesforce and SAP S/4HANA, facilitating interoperability between clinical and administrative systems.
  • Arcor Group
    Software Developer
    January 2021 - April 2022 (1 year and 3 months)
    BS, Buenos Aires, CF, Argentina
    • Development of VIPO both FE and BE, Scrum methodology, with NextJS/Typescript and REST services with ASP.NET.
    • Development of the FE for TOKIN's CRUD by consuming a GraphQL API.

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Education

  • Superior Technician in Development
    Universidad Tecnológica Nacional - UTN
    2024
    Técnico Superior en Desarrollo de

Skill set

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