Nils Alexandre Bergsten

Nils Alexandre Bergsten

Mentor
Rising Codementor
US$8.00
For every 15 mins
ABOUT ME
Full Stack Developer
Full Stack Developer

Senior Front-End Engineer specialized in Vue.js (2 & 3), with over 10 years of experience building, maintaining, and scaling production-level applications. Skilled in debugging, performance optimization, refactoring legacy codebases, and implementing clean enterprise-level code to deliver reliable features in fast-paced environments. Full-stack capable when needed, with experience in Django and PHP.

Portuguese, Spanish, English
Brasilia (-03:00)
Joined November 2017
EXPERTISE
10 years experience
Experience with websites, enterprise applications and RESTful APIs, with solid understandings of OOP and design patterns.
Experience with websites, enterprise applications and RESTful APIs, with solid understandings of OOP and design patterns.
10 years experience
I master HTML5 and CSS3, I have a lot of experience in converting PSD to HTML and in WordPress theme development.
I master HTML5 and CSS3, I have a lot of experience in converting PSD to HTML and in WordPress theme development.
10 years experience
I have a lot of experience in JavaScript, jQuery and AngularJS. I have developed many mobile apps with Ionic Framework.
I have a lot of experience in JavaScript, jQuery and AngularJS. I have developed many mobile apps with Ionic Framework.
7 years experience
10 years experience
4 years experience
4 years experience

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EMPLOYMENTS
Senior Software Engineer
BairesDev
2026-03-01-Present
  • Selected to join a client-facing engineering team at a Fortune 500 company delivering outsourced software solutions
  • Devel...
  • Selected to join a client-facing engineering team at a Fortune 500 company delivering outsourced software solutions
  • Developed an end-to-end AI-driven application during an internal hackathon, focusing on data processing pipelines and LLM integration using Node.js and modern AI tooling
HTML/CSS
Python
Node.js
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HTML/CSS
Python
Node.js
PostgreSQL
WebSocket
TypeScript
React
JavaScript
Nuxt.js
Vue.js
Langchain
Ai/llm apis
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Full Stack Engineer
Intelycx
2024-08-01-2025-12-01
  • Maintain and evolve existing Vue.js SPAs, delivering new features, UI improvements, and visual redesigns.
  • Refactor legacy...
  • Maintain and evolve existing Vue.js SPAs, delivering new features, UI improvements, and visual redesigns.
  • Refactor legacy codebases to increase maintainability and reduce technical debt.
  • Support and extend the Django backend with GraphQL and Elasticsearch within a Dockerized environment.
  • Diagnose and resolve production bugs.
  • Worked on real-time systems where machines sent updates every minute, powering live dashboards and charts using WebSockets.
  • Debugged and refactored real-time codebases, improving reliability, readability, and overall system stability.
  • Resolved issues with inconsistent UI updates and handled edge cases in real-time data flow.
  • Gained strong experience managing production-grade real-time data systems, ensuring stability during long-running sessions.
HTML/CSS
Python
Django
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HTML/CSS
Python
Django
PostgreSQL
Unit Testing
Debugging
WebSocket
Elasticsearch
Socket.IO
Docker
Code Refactoring
Code Review
JavaScript
GraphQL
RESTful API
Vue.js
SCSS
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Senior Front End Developer
Blitzpay & NRE
2020-12-01-2024-08-01
  • Led the development of multiple front-end projects using Vue.js 2 & 3 and Nuxt.js.
  • Responsible for checkout pages tha...
  • Led the development of multiple front-end projects using Vue.js 2 & 3 and Nuxt.js.
  • Responsible for checkout pages that processed several million dollars in transactions.
  • Contributed to backend development using Django.
  • Mentored junior developers, fostering best practices in Vue.js development.
HTML/CSS
Python
Django
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HTML/CSS
Python
Django
Git
JavaScript
Mentoring
Nuxt.js
RESTful API
Vue.js
SCSS
Sass
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PROJECTS
2024
Python
Django
SPA
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Python
Django
SPA
JavaScript
Vue.js
Sass
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Vivendo as EscriturasView Project
2023
Python
Django
SPA
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Python
Django
SPA
JavaScript
Vue.js
Sass
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