Wingz.
Candidate Resume
Gildardo
Full-Stack Engineer | Colombia
Colombia
Summary

Full-Stack Engineer with 6+ years of professional experience building scalable web backends and cross-platform mobile applications. Proficient in Python, Django, and Django REST Framework for designing and maintaining high-performance REST APIs, with strong experience in PostgreSQL schema design, query optimization, and database migrations. Skilled in React Native for iOS and Android mobile development.

Technical Skills
Backend
Python, Django, Django REST Framework (DRF), FastAPI, Flask, Node.js, Express.js, REST APIs, GraphQL, Microservices
Mobile
React Native (iOS & Android), bare workflow, Metro bundler, Redux Toolkit, RTK Query
Frontend
React.js, Next.js, TypeScript, JavaScript, HTML, CSS, TailwindCSS
Databases
PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, Firebase, Supabase
Testing
Unit testing, integration testing, Jest, Django test framework
DevOps & Cloud
Docker, Kubernetes, AWS (Lambda, EC2, S3, DynamoDB, CloudWatch), GitHub Actions, GitLab CI, Jenkins
Languages
Python, TypeScript, JavaScript, SQL, Go, C#, Java
Work Experience
Full-Stack Engineer
Kradeon
Remote | Jun 2025 - Present
Designed scalable REST APIs using Django and DRF. Built React Native mobile features. Designed PostgreSQL schemas. Collaborated on AWS deployment with Docker.
Full-Stack Engineer
ReversOZ
Remote | Feb 2024 - Jun 2025
Developed backend APIs using DRF. Built React Native mobile features for iOS/Android. Wrote unit and integration tests.
Full-Stack Engineer
Lazyapeofficial
Remote | Sep 2022 - Feb 2024
Built scalable backend APIs using Python and Node.js. Developed React Native mobile apps. Implemented CI/CD pipelines with GitHub Actions.
Full-Stack Engineer
CryptoCats
Remote | Jul 2020 - Aug 2022
Developed full-stack web and mobile applications using Python (Django/Flask), React.js, React Native. Led code reviews and mentored junior engineers.
Software Developer
Lingnan University
Hong Kong | Oct 2019 - Jun 2020
Built backend services and REST APIs using Python and Node.js for research prototypes.
Education
Bachelor's Degree in Computer Science
Lingnan University, Hong Kong
2015 - 2019