Summary
Overview
Work History
Education
Skills
Timeline
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JOSÉ DAVID RUIZ TOLEDO

BACKEND DEVELOPER AND DATA ENGINEER
Ciudad de México

Summary

Developer with experience in microservices (Nest.js, MongoDB) and data processing (Python, pandas, ETL, PostgreSQL, MySQL). I have worked on code optimization and process automation, integrating analytical solutions with Power BI. Focused on efficiency, scalability, and alignment with business objectives within agile environments.

Overview

4
4
years of professional experience
1
1
year of post-secondary education
2
2
Languages

Work History

SOFTWARE DEVELOPER

Carfax Mx
11.2022 - 05.2025
  • Implementation of scalable microservices in TypeScript (Nest.js), improving software architecture and facilitating the integration of new functionalities.
  • Development of RESTful APIs using FastAPI and Flask, enabling efficient communication between services and external systems.
  • Creation of unit and integration tests using Pytest, ensuring robustness and maintainability of Python applications.
  • Development of a desktop application in .NET (C#) for internal use, optimizing processes and improving operational efficiency.
  • Refactoring and optimization of code in Python, TypeScript, and JavaScript, in collaboration with Senior Developers, increasing the performance and maintainability of applications.
  • Design and execution of ETL processes in Python, integrating data from PostgreSQL, MySQL, MongoDB, and Neo4j, ensuring quality and availability for analysis.
  • Administration and optimization of Neo4j, developing advanced queries in Cypher for graph data modeling and analysis, improving the efficiency of operations based on complex relationships.
  • Development of custom solutions, collaborating directly with clients to design and implement products aligned with their business objectives.

DATA ENGINEER

Konfio
07.2022 - 09.2022
  • Designed and developed ETL processes for data extraction from an external API, transforming and loading the information into tables within Amazon Redshift, ensuring data integrity and quality.
  • Implemented and maintained optimized data flows feeding dashboards in Tableau, following industry best practices and ensuring compliance with business requirements.
  • Automated repetitive tasks previously performed manually, improving efficiency and accuracy in querying.

SOFTWARE DEVELOPER

Konfio
11.2020 - 07.2022
  • Contributed to the design and implementation of SSO and OTP solutions using AWS (Lambda, S3, Cognito, Redis), improving system security and scalability.
  • Managed development tasks autonomously, collaborating with the team in creating microservices and distributed architectures.
  • Provided technical support to product teams, ensuring the stability and efficiency of services, including integration with AWS Cognito.
  • Developed and applied security patches, improving software functionality and ensuring its performance.

Education

GRADUATE IN - INFORMATION TECHNOLOGIES

Universidad La Salle
Ciudad de México, delegación Cuauhtémoc
01.2022 - 12.2022

Skills

JavaScript

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Timeline

SOFTWARE DEVELOPER

Carfax Mx
11.2022 - 05.2025

DATA ENGINEER

Konfio
07.2022 - 09.2022

GRADUATE IN - INFORMATION TECHNOLOGIES

Universidad La Salle
01.2022 - 12.2022

SOFTWARE DEVELOPER

Konfio
11.2020 - 07.2022

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JOSÉ DAVID RUIZ TOLEDOBACKEND DEVELOPER AND DATA ENGINEER