Servando Valdez

Software Engineer

Mexico City, Mexico[email protected]GitHub
SV

About

Backend-focused Software Engineer building services with Spring Boot and serverless workflows on AWS (Lambda, Step Functions, EC2, CloudWatch). Previously developed web applications and high-performance REST APIs with Python, Django and FastAPI, including systems handling nationwide traffic. Experienced in designing robust, scalable backends backed by relational databases, and comfortable across the stack with TypeScript and React. Used to collaborating with distributed teams in the US and Mexico and delivering on tight timelines.

Experience

  1. 2025 — Present

    Software Engineer · Grupo Salinas

    On-site

    • Backend development using Spring Boot, integrated with AWS Step Functions and AWS Lambda (TypeScript).
    • Hands-on experience with AWS CloudWatch, EC2, Step Functions, and Lambda for monitoring, testing, and troubleshooting backend workflows.
    • Implemented new business workflows that contributed to a significant increase in loan origination.
    • Worked with distributed teams in the US and Mexico, consistently meeting delivery timelines and adapting to changing requirements.

  2. 2023 — 2024

    Full Stack Developer · Issirmax

    Remote

    • Developed web applications using Django.
    • Built RESTful APIs with Django Ninja, enabling 100% seamless integration with internal and external services.
    • Refactored code to create reusable functions, improving efficiency and reducing redundant code by 25% across multiple projects.
    • Robust and scalable database development using relational databases.
    • Optimized API performance, reducing response times by 30%.
    • Collaborated on projects with tight deadlines, ensuring on-time delivery without compromising quality.
    • Collaborate closely with the design team and stakeholders to translate customer requirements into effective and functional technical solutions.

  3. 2022 — 2023

    Backend Developer · Media Aérea / Drone Solutions & Technology

    Remote

    • Developed high-performance REST API and web applications for the Mexican National Customs Agency (ANAM) using FastAPI and Django, enabling management of millions of simultaneous requests nationwide.
    • Development and maintenance of web applications using Django Framework.
    • Development and maintenance of Rest APIs using FastAPI.
    • Development and implementation of an algorithm designed to accelerate CSV file generation by 50%.
    • Creation and management of relational databases.
    • Collaboration with the development team to design and develop efficient and scalable technical solutions.

Skills

  • Python
  • Django
  • FastAPI
  • Java
  • Spring Boot
  • AWS Lambda
  • AWS Step Functions
  • Amazon EC2
  • Amazon CloudWatch
  • Docker
  • Node.js
  • Typescript
  • JavaScript
  • React
  • Zustand
  • Git

Education

  1. 2019 — 2023

    Software Engineering

    Technological Institute of Sonora