Wingz.
Candidate Resume
Nicolas B
Senior Full Stack Engineer | Colombia
Colombia
Summary

Senior Full Stack Engineer with 9+ years of experience specializing in Python, Django, and Django REST Framework, building scalable backend systems and mobile-integrated platforms. Strong expertise in developing high-performance APIs, designing optimized database schemas, and delivering production-grade applications using PostgreSQL and cloud infrastructure (AWS). Experienced in building cross-platform mobile applications using React Native, with a focus on performance, scalability, and user experience.

Technical Skills
Backend
Python, Django, Django REST Framework, Node.js, .NET Core, C#, REST APIs
Frontend & Mobile
React Native (iOS & Android), Flutter, React, Angular, TypeScript, HTML5, CSS/SCSS
Databases
PostgreSQL, MySQL, SQL Server, MongoDB
Cloud & DevOps
AWS (EC2, ECS, Lambda, S3, RDS, API Gateway, CloudWatch), Docker, CI/CD (GitHub Actions, GitLab CI), Terraform
Architecture
RESTful APIs, Microservices, Distributed systems, Cloud-native applications
Testing
PyTest, Jest, Cypress, xUnit, NUnit
Work Experience
Senior Backend Engineer
Predictably
Remote | Nov 2018 - Mar 2026
Designed and developed scalable backend systems using Python, Django, and DRF for high-traffic SaaS platforms serving thousands of users daily. Built robust RESTful APIs for web and mobile applications. Developed React Native mobile features for iOS and Android. Designed and optimized PostgreSQL database schemas, queries, and migrations. Led testing with PyTest and integration testing. Mentored engineers and improved code quality.
Full Stack Engineer
Arazas
Remote | Jun 2017 - Nov 2018
Developed full-stack applications using Python (Django), DRF, and modern JavaScript frameworks. Built scalable backend APIs reducing latency by 25%. Designed and optimized PostgreSQL/MySQL schemas. Participated in cloud deployment workflows with AWS and Docker.
Full Stack Developer
Troi Design
Remote | Apr 2015 - Jun 2016
Developed web applications using Python (Django), JavaScript, and SQL Server. Built dynamic UI components and backend logic for data-driven applications. Designed and optimized database queries and data models.
Education
Bachelor of Computer Science
The University of Tokyo, Japan
2010 - 2014