About Me
Hello! I'm Yesid Bernal, a passionate Software Developer with expertise in Frontend, Backend, DevOps, and Cloud Computing. I build comprehensive solutions using modern development practices and cloud technologies.
I specialize in developing scalable applications with modern frameworks, working with both SQL and NoSQL databases, and following industry best practices. I'm driven by creating efficient solutions that make an impact while continuously learning and sharing knowledge with the developer community.
My Skills
Frontend Development
Crafting responsive and intuitive user interfaces with modern frameworks and tools for exceptional user experiences.
Backend Development
Building robust server-side applications and APIs with a focus on scalability, performance and cloud architecture.
Cloud & System Design
Designing and implementing scalable cloud architectures and distributed systems with a focus on reliability and performance.
Development Tools
Utilizing modern development tools and practices for efficient software development and team collaboration.
Featured Projects
Explore some of my most impactful projects that showcase my technical skills and problem-solving abilities.
Billing and Inventory SaaS
A multi-tenant SaaS system designed for complete control and management of bars and restaurants. This application leverages Django for the backend, PostgreSQL for database management, and TailwindCSS along with DaisyUI for a responsive and modern user interface.
SIMU API - Payment Service Provider Simulator
A serverless API specifically designed for a Payment Service Provider (PSP) to simulate financial entities (banks) by generating responses to various transactions including debits, credits, reversals, and reports. Built with a hexagonal architecture and Infrastructure as Code (IaC), the system implements asynchronous responses using AWS services including SQS, Lambda, API Gateway, DynamoDB, VPC, VPC Endpoints, Security Groups, Secrets Manager, CloudFormation, and CloudWatch, with full CI/CD integration.
Meeting Scheduling System
A comprehensive meeting management platform built with Django and deployed on AWS Elastic Beanstalk. Features include calendar scheduling, resource allocation, attendee management, file attachments, meeting comments, and rating system. Integrated with Microsoft Teams and includes a robust MFA authentication system. The platform utilizes AWS RDS for database management, SES for email notifications, and implements CI/CD for continuous deployment.
Work Experience
- Developed and maintained full-stack applications using modern frontend and backend technologies
- Designed and implemented cloud architecture solutions using AWS services including Lambda, S3, and DynamoDB
- Established CI/CD pipelines using AWS CodePipeline for automated testing and deployment
- Created comprehensive technical documentation for system architecture and API specifications
- Implemented hexagonal architecture and designed scalable systems
- Collaborated with cross-functional teams to deliver high-quality software solutions while following agile methodologies
- Implemented secure disk management protocols including secure data erasure and partition management
- Automated system testing and software deployment processes using shell scripting and terminal commands
- Managed multi-OS installations and configurations including Windows and Linux distributions
- Developed and maintained testing procedures for system performance and functionality validation