I’m a Software Engineer



I’m always enthusiastic about new projects and ideas. I use an iterative approach to reach what the customer is looking for delivering high quality and testable code.

Juan Andres Ferreyra Letamendia

Software Engineer

  • Javascript/Typescript
  • React/Native
  • Angular2+
  • Node
  • Python
  • MongoDB
  • SQL
  • Firebase
  • Cloud Services
  • UI Design


Frontend Development

Modern, responsive and high-performant web apps. Cutting edge frameworks.

Backend Development

Server and serverless apps to handle your business logic. Deployments to cloud services.

Mobile Development

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Fast Prototyping

Prototyping before coding to validate your money and time. Planning and wireframing

Testing Suites

Design of automated testing suites to make your code maintainable in the future.

UI Design

Intuitive layout design to keep your users happy. Constant customer feedback




A goal is defined for the current iteration​




Only core functionality is implemented to validate if it aligns with the customer needs. 




Customer validates the prototype for the current feature.




Full feature is implemented using a TDD(test-driven development) approach, implementing tests suites to make a solid codebase



Customer validates the implementation once again



Time to keep moving forward reiterating and adding more functionality​


Get In touch


Send me a message

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