juan sebastian muñoz
@juansebastianmuoz
Full-stack developer and functional analyst focused on clean, scalable APIs for web and mobile.
What I'm looking for
I’m a software developer and functional analyst with 2+ year of professional experience delivering backend and full-stack solutions across web and mobile platforms. I integrate third-party APIs and build scalable internal tools that reduce operational errors and improve system efficiency, and I’m currently focused on microservices with NestJS, React Native for iOS and Android, and cloud infrastructure with AWS.
In my current role, I help design, develop, and maintain corporate web applications, build RESTful APIs following clean architecture and SOLID principles, and integrate AWS services to support reliable deployment and scalability. Previously, I configured third-party integrations, developed internal web applications and APIs for cross-department communication, reduced data transfer errors by 40%, and standardized integration processes with well-documented APIs under Swagger/OpenAPI while ensuring quality through testing and validation.
Experience
Work history, roles, and key accomplishments
Full-Stack Developer
AFFI S.A.S
Apr 2025 - Present (1 year 2 months)
Designed and built new features for a corporate web application, ensuring clean, efficient code. Developed React Native iOS/Android apps and implemented NestJS REST APIs using clean architecture and SOLID principles, integrating AWS services for scalable deployment.
Functional Technology Analyst
AFFI S.A.S
Oct 2024 - Apr 2025 (6 months)
Integrated third-party APIs into the organization and developed internal web applications to improve operational efficiency across departments. Reduced data transfer errors by 40% through a successful system integration and standardized APIs with Swagger/OpenAPI.
Education
Degrees, certifications, and relevant coursework
Universidad De La Salle
Software Engineering
Student of Software Engineering at Universidad De La Salle in Bogotá, Colombia (in progress).
Universidad del Valle
Technology in Software Development, Software Development
2021 - 2024
Completed a Technology in Software Development program at Universidad del Valle in Cali, Colombia from 2021 to 2024.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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