Valentina Santa
Valentina Santa Osorio

Hello, I'm

Valentina Santa

SSR Software Developer

Systems and computing engineer and full-stack software developer with 5+ years of experience in backend and frontend development. Strong in backend systems, cloud-native architecture on AWS and Azure, and collaborative delivery in Agile teams.

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Projects

🌱

Cloud Authentication Platform

Designed cloud architecture across AWS and Azure, implementing secure authentication and authorization with Cognito and JWT in Spring Boot services.

Java Spring Boot AWS Azure
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🦋

Messaging API Platform

Developed and maintained REST APIs on AWS, including user management, authentication, and mailing systems for high-volume messaging workflows.

AWS Lambda RDS ECS Redis
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🌻

Laravel Web Solutions

Built and maintained web pages using PHP Laravel with relational databases, delivering maintainable full-stack features for business workflows.

PHP Laravel MySQL HTML/CSS
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Experience

  1. Timeline point

    Software Developer L2

    Jan 2025 – Present

    Acre Security

    • Building and maintaining full-stack software features in a production environment.
    • Collaborating with cross-functional teams to deliver secure and reliable solutions.
    • Contributing to code quality and iterative product improvements.
    C# .NET AWS Docker
  2. Timeline point

    Fullstack Developer

    Nov 2023 – Jun 2024

    Destiny WS

    • Delivered full-stack features for web applications across frontend and backend layers.
    • Integrated APIs and relational databases to support core product workflows.
    • Collaborated in agile delivery cycles to ship and refine functionality.
    PHP Laravel JavaScript MySQL
  3. Timeline point

    Semi Senior Software Developer

    2023 – 2024

    Konex, Innovation · Full-time

    • Designed cloud architecture across AWS and Azure for scalable services.
    • Implemented Hexagonal Architecture in Spring Boot Java services.
    • Led team delivery and implemented secure auth with Cognito and JWT.
    Java Spring Boot AWS Azure
  4. Timeline point

    Semi Senior Software Developer

    2020 – 2023

    Masiv · Remote

    • Developed REST APIs using AWS services such as EC2, Lambda, RDS, Cognito, ECS, and API Gateway.
    • Built user management, authentication, and mailing system features.
    • Implemented and maintained email template flows for messaging products.
    AWS REST API Cognito ECS

Education

🎓

Bachelor's Degree in Systems and Computing Engineering

University of Quindio, Armenia, Colombia

2015 – 2020

Systems and computing engineering program focused on software design, development fundamentals, and collaborative problem-solving.

📜

Scrum Foundation Professional Certificate (SFPC)

CertiProf

2020

Professional certification in Scrum principles, roles, and agile delivery practices.

Contact

Based in Ottawa, ON (Open Work Permit). If you'd like to collaborate on backend, cloud, or full-stack projects, I'd love to connect.

valen970211@gmail.com LinkedIn Profile

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Download my CV to see my full experience, skills, and education.

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