Gustavo A.
Back-end and Systems Engineer

Skills

.NET

Microsoft Sql Server

Python

Mysql

Gustavo is available for hire

Hire Gustavo A.

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Bio

The candidate brings over five years of expertise in .Net (Framework and Core), showcasing proficiency in Oracle DB, MySql, SQL Server, MongoDB, CosmosDB, and DocumentDB, as well as in unit testing with Xunit and Rest API development. Their professional journey includes international collaboration with team members from Brazil, Colombia, Chile, Argentina, Mexico, India, and Turkey, reflecting a versatile and global perspective. The candidate has attained certifications as an AWS Cloud Practitioner, AWS Developer Associate, and in Microsoft Azure Fundamentals (AZ-900). Available for freelance contractual engagements.

.NET Developer
8/1/2022 - 5/1/2023

Developed comprehensive expertise in modernizing back-office systems, working within a multicultural team environment comprising members from Mexico, Chile, and Brazil. Leveraged advanced knowledge of Java, Spring Boot, and Hibernate to streamline backend processes. Implemented frontend solutions using Angular and React, enhancing user experience and system functionality. Utilized AWS services such as EC2, S3, and RDS for scalable cloud infrastructure. Employed Docker and Kubernetes for containerization and orchestration, ensuring efficient development and deployment workflows. Applied PostgreSQL for robust database management, coupled with Redis for caching to improve system performance. Emphasized collaborative code maintenance and version control using Git and GitHub, while ensuring CI/CD best practices with Jenkins and GitLab CI.
.NET Developer
8/1/2023 - 8/1/2023

Developed a large property management system utilizing .Net Core, Rest API, and Razor pages. Gained substantial experience working within the PJ (corporate entity) regime, exhibiting adeptness in constructing scalable and efficient web applications. Demonstrated capability in building and integrating RESTful APIs, as well as creating dynamic, responsive user interfaces with Razor pages. Advanced proficiency in .Net Core enabled effective handling of backend logic and performance optimization, contributing to the overall robustness and maintainability of the property management system.
.NET Developer
8/1/2023 - Present

Developed proficiency in .Net Core while engaged with intricate projects. Acquired comprehensive experience in implementing robust back-end solutions, ensuring optimal performance and scalability. Demonstrated expertise in designing and refining APIs to integrate various services and applications seamlessly. Utilized advanced debugging tools and performance monitoring systems to maintain high code quality and reliability. Excelled in collaborative coding and version control through Git, facilitating effective teamwork and project continuity. Employed agile methodologies to manage tasks efficiently and adapt to evolving project requirements.
AWS Builder
2/1/2022 - 6/1/2022

Developed advanced technical skills in cloud computing and infrastructure management, evidenced by achieving AWS certification twice. Leveraged expertise in AWS services such as EC2, S3, RDS, Lambda, and CloudFormation to design and implement scalable, reliable, and cost-effective cloud architectures. Utilized IAM for secure access management and VPC for isolated network environments, ensuring robust security and compliance. Worked extensively with AWS CLI and SDKs for automation and integration tasks. Managed large-scale distributed systems using ECS and EKS for container orchestration. Implemented monitoring and logging solutions with CloudWatch, CloudTrail, and third-party tools to ensure operational excellence. Applied DevOps practices, utilizing tools such as Jenkins, Terraform, and Ansible for continuous integration and continuous deployment (CI/CD) pipelines. Demonstrated strong problem-solving skills in troubleshooting and optimizing cloud infrastructure, enhancing system performance and reducing operational costs.
.NET Developer
10/2/2018 - 2/1/2022

Led the creation of a new API for reinsurance calculation to support a high volume of policy emissions, transitioning from a legacy system unable to handle over 1000 policies per day. This project utilized .Net Core (C#), SQL Server, Azure, Azure Functions, and Azure DevOps, and incorporated XUnit for testing and EventHub for event processing within a Scrum framework from 2020 to 2021.

Developed a new environmental alert API for processing high-frequency environmental data such as water turbidity and temperature for a significant Brazilian mining company. The project spanned 2021 to 2022 and employed technologies including C#, .Net Core, CosmosDB, SQL Server, Azure Functions, and Azure DevOps.

Engineered a digitized API for traffic tickets processing, transitioning from a manual, paper-based system to a highly efficient digital solution and reducing paper waste. The team was recognized as a 'model team' within the organization. This initiative, running from 2018 to 2020, incorporated C#, .Net Framework, SQL Server, Azure, and Azure DevOps.