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Bernardo – AWS, React, Typescript, experts in Lemon.io

Bernardo

From Portugal (UTC+1)flag

Full-stack Web Developer|Senior
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Bernardo – AWS, React, Typescript

Bernardo is a seasoned full-stack engineer with in-depth expertise in Node.js, React, TypeScript, Next.js, and AWS, spanning multiple startups. He demonstrates strong skills in backend architecture, authentication systems, and both relational and non-relational databases. His experience encompasses technical leadership, extensive client communication, and the clear articulation of complex concepts.

9 years of commercial experience in
Cloud computing
Fintech
Information services
Media
Social media
Video streaming software
Main technologies
AWS
5 years
React
6 years
Typescript
5 years
Node.js
7 years
Next.js
5 years
Additional skills
MongoDB
Direct hire
Possible
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Experience Highlights

Tech Lead
Feb 2023 - Ongoing2 years 9 months
Project Overview

It's a POS and broker portal for non-QM mortgage lending.

Responsibilities:
  • Led a team of 4 software engineers and 1 QA tester, coordinating development and ensuring high-quality delivery.
  • Built new products to drive business growth and expansion.
  • Interfaced directly with clients, translating requirements into actionable technical solutions.
  • Developed a full-stack TypeScript application using Next.js (React), tRPC, MUI, and Prisma ORM.
  • Integrated multiple enterprise APIs, including credit, income, AVM, loan pricing, KYC, and more.
  • Performed unit testing using Jest and React Testing Library.
  • Executed end-to-end testing with Playwright and Cypress to ensure robust functionality.
Project Tech stack:
Typescript
tRPC
MongoDB
AWS
React
Node.js
Next.js
Software Engineer
Jan 2021 - Aug 20221 year 6 months
Project Overview

It includes 2 projects: a video conferencing platform and a PaaS application.

Responsibilities:
  • Built a PaaS application automating deployments to AWS.
  • Developed a real-time video communication tool using React.js.
  • Tested and optimized cloud architecture to ensure reliability and performance.
  • Performed full-stack development using TypeScript.
  • Implemented UI components with TailwindCSS for responsive design.
  • Maintained a Hasura backend, ensuring smooth data operations and performance.
Project Tech stack:
React
Next.js
Node.js
AWS
Software Engineer
Aug 2020 - Jan 20215 months
Project Overview

It's a project involving infrastructure automation and a proof-of-concept implementation of Single Sign-On (SSO) to streamline user access.

Responsibilities:
  • Maintained and developed Infrastructure-as-Code (IaC) stacks to support scalable deployments.
  • Implemented a proof-of-concept SSO solution for streamlined authentication.
  • Maintained and improved cloud infrastructure for reliability and performance.
  • Performed DevOps tasks, maintaining and optimizing CI/CD pipelines.
  • Collaborated with a distributed team across multiple time zones, ensuring smooth coordination and delivery.
Project Tech stack:
Java
AWS
Node.js
Bash
Linux
Jenkins
Software Engineer
Nov 2018 - Nov 20191 year
Project Overview

It's a social media automation startup.

Responsibilities:
  • Deployed projects independently and within teams following Agile/Scrum methodologies.
  • Developed new Laravel systems and enhanced existing ones, including Vue.js SPAs.
  • Engineered WordPress themes and plugins, resolving issues and optimizing performance.
  • Implemented responsive UIs with Sass and Bulma, ensuring fast loading and smooth UX.
  • Optimized SEO for existing and new websites.
  • Conducted automated and manual testing to ensure high-quality deliverables.
  • Analyzed Google Analytics data to inform tracking and strategy.
  • Delivered marketing-focused solutions, including landing pages, blogs, and internal management tools.
Project Tech stack:
Laravel
Vue.js
Node.js
WordPress
HTML
CSS
PHP
Front-end Developer
Feb 2016 - Nov 20171 year 9 months
Project Overview

It's a student company developing software for local businesses.

Responsibilities:
  • Joined the university’s Computer Engineering student company during its early revival and contributed to its growth from 5 to 20+ members.
  • Elected CFO in the first year and oversaw administrative tasks including balance sheets, board meetings, client communications, and benchmarking.
  • Led company restructuring, implementing project management tools like Kanban and Scrum methodologies.
  • Developed landing pages for local companies and trained new members in web technologies (HTML, CSS, JavaScript).
  • Performed unit testing with Jest and manual software testing to ensure quality.
  • Contributed to recognition as one of the Fastest Growing Student Companies of 2017 in Bahia.
Project Tech stack:
HTML
CSS
JavaScript

Education

2024
Computer Systems Analysis
Bachelor of Technology - BTech

Languages

Spanish
Pre-intermediate
Portuguese
Advanced
English
Advanced

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