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Percy Muñoz ChavezPM

Percy Muñoz Chavez

Software Engineer

€278/day
Lima, PE
8-15 years
C#
.NET
Angular
SQL
Clean Architecture

Average response time: 1 hour

Freelancer profile translated to English.
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About Percy

Software Engineer with over 10 years of experience in the design, development, and implementation of high-impact technological solutions. Specialist in the .NET ecosystem and modern architectures such as Clean Architecture, Microservices, and CQRS. I have participated in critical projects for the health, air transport, and insurance sectors, contributing to the construction of scalable, maintainable, and highly available systems. My focus is on code quality, performance optimization, and cloud service integration. Additionally, I promote the adoption of Artificial Intelligence tools to enhance productivity, improve development quality, and accelerate the delivery of business solutions.
Consulting and Audits
Health and Wellness
Software Publishing

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • INDRA
    Software Engineer
    November 2024 - Today (1 year and 9 months)
    Lima, Peru
    • Development and implementation of the backend for the NewSGR system (Radioactive Waste Management) using .NET 6, applying Clean Architecture and Domain-Driven Design (DDD) principles to achieve robust separation of responsibilities and high scalability.
    • Optimization of the persistence layer by refactoring Entity Framework and complex LINQ queries, achieving reductions of up to 90% in response times for critical services and improving data processing efficiency and overall system performance.
    • Driving the integration of AI-assisted workflows (Claude, GitHub Copilot, Gemini) to accelerate development, promote cleaner and more modular code, and align solutions with good quality and maintainability practices.
    • Participation in the DevOps ecosystem through agile task management and tracking with Jira and Azure DevOps, collaborating in continuous deployment processes with Azure Pipelines.
    • Close collaboration with the frontend team in Angular, ensuring solid integration with backend services and contributing to a fluid and consistent user experience.
  • PRAGMA
    Software Developer
    June 2022 - September 2024 (2 years and 3 months)
    • Participation in the modernization of digital platforms for the insurance sector, focused on updating the Digital Lease flow and redesigning service-oriented solutions.
    • Implementation of microservices in .NET Core, applying distributed architecture principles and good backend development practices.
    • Integration of the system with a digital signature provider, ensuring support for electronic validation and authorization processes.
    • Integration of SOAP and REST APIs, ensuring correct communication between systems and service interoperability.
    • Development of AWS Lambda functions in Java, oriented towards event processing and cloud automation.
    • Sending notifications via RabbitMQ, contributing to asynchronous messaging between services.
    • Integration with SAP systems, connecting developed services with business processes and corporate data.
  • MUNICIPALIDAD DE LIMA (SISOL)
    Programmer Analyst
    September 2019 - May 2022 (2 years and 8 months)
    Lima, Peru
    • Leadership in the development and implementation of the Hospital Information System (HIS) in .NET, including modules for appointment management, clinical records, and billing.
    • Development and implementation of functionalities and improvements in existing clinical systems, aligned with operational and business needs.
    • Implementation of an online appointment booking system using .NET Core and SQL Server, including payment gateway integration.
    • Implementation of a security module with SSO to unify and secure access to the organization's various systems.
    • Promotion and adoption of good development practices by applying DDD patterns, clean architecture, CQRS, and clean code principles in clinical system projects.
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Education

  • Bachelor's Degree
    UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS - UNMSM
    Bachiller
  • IESTP VILLA MARÍA
    2007

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