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Lucas – React, Node.js, Typescript, experts in Lemon.io

Lucas

From Brazil (UTC-4)

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Full-stack Web DeveloperSenior
Hire developer
12 years of commercial experience
AI
Cloud computing
Consulting services
Data analytics
E-commerce
Supply chain
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Lucas – React, Node.js, Typescript

Experienced software engineer with 10 years of building and scaling applications across diverse environments, from startups to large enterprises. Proficient in Node.js and React, with a solid background in cloud platforms like AWS. Skilled in addressing scalability challenges, managing small teams, and navigating both monolithic and complex microservices architectures. A curious and proactive learner, always focused on understanding and optimizing the technologies in use, while sharing knowledge with the team.

Main technologies
React
8 years
Node.js
7 years
Typescript
6 years
AWS
8 years
Next.js
4 years
Additional skills
JavaScript
Docker
Azure DevOps
React Query
Jest
Microsoft SQL Server
PostgreSQL
Kubernetes
Apollo GraphQL
Prisma
Nest.js
OpenAI
Express.js
CircleCI
Travis CI
CI/CD
Terraform
Vercel
Tailwind CSS
Strapi
jQuery
Ready to start
ASAP
Direct hire
Potentially possible

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Experience Highlights

Senior Software Engineer
May 2023 - Sep 20241 year 3 months
Project Overview

Development of a new version of the company's core frontend application aimed at enhancing user experience and improving overall performance. The project involved integrating Backend-for-Frontend (BFF) layers using Node.js with existing Data APIs. As part of a critical AI-driven supply chain system, the application plays a key role in data processing and decision-making, meeting high expectations due to its significant impact on business operations.

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Responsibilities:
  • Created a new front-end architecture to modernize the application;
  • Migrated 80% of clients to the new system within six months;
  • Developed and implemented CI/CD pipelines for build and deployment processes;
  • Redesigned and optimized API integrations for improved efficiency;
  • Wrote unit and integration tests using Playwright to ensure code quality and reliability;
  • Enhanced AI utilization to increase system capabilities and performance.
Project Tech stack:
React
Next.js
Node.js
Fastify.js
PostgreSQL
Jest
AWS
Auth0
Typescript
Tailwind CSS
Vercel
Senior Software Engineer
May 2021 - May 20232 years
Project Overview

The project focuses on accelerating the company’s digital transformation by developing multiple platforms dedicated to scientific research data analysis. It centers around creating a middleware ecosystem designed to consume data from APIs provided by the data team and distribute it efficiently to various products within the organization. This ecosystem enables seamless data integration, streamlining operations, and supporting advanced analysis across platforms.

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Responsibilities:
  • Created frontend and backend architecture to enhance system scalability and performance;
  • Developed a Backend-for-Frontend (BFF) architecture to optimize data retrieval and improve API performance;
  • Built a design system library to standardize UI components and ensure consistency across the application;
  • Wrote unit tests and integration tests to maintain code quality and ensure system reliability.
Project Tech stack:
Node.js
React
Fastify.js
Docker
React Query
Azure DevOps
Azure Functions
Typescript
Microsoft SQL Server
Jest
Vite
Tailwind CSS
Next.js
Senior Software Engineer
Nov 2019 - May 20222 years 6 months
Project Overview

It is a comprehensive platform that simplifies the process of managing home construction and renovations. It offers an all-in-one solution that integrates project planning, contractor coordination, and budgeting tools. It ensures transparency and efficiency by leveraging technology to provide real-time updates, cost tracking, and a seamless client experience. Its innovative software streamlines complex processes, making homebuilding and remodeling stress-free for homeowners.

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Responsibilities:
  • Created an OCR solution to read bill files and automatically populate data into the platform;
  • Developed billing features to enhance and expand the functionality of the existing project;
  • Built an event-driven integration with SAGE ERP to improve system connectivity and data flow;
  • Redesigned the bill payment authorization flow to optimize efficiency and user experience.
  • Worked on the catalog, inventory, features using Payload CMS to new self service home template solution.
Project Tech stack:
React
Apollo GraphQL
Jest
Vite
Fastify.js
AWS
Docker
Kubernetes
Typescript
Strapi
Next.js
Vercel
Lead Software Engineer
Dec 2018 - Nov 20201 year 10 months
Project Overview

It is a leading technology company specializing in accelerating digital transformation for businesses. This platform simplifies the creation and management of cloud infrastructure on AWS (Amazon Web Services). Automating provisioning, monitoring, and scaling enables companies to build robust, secure, and scalable cloud environments with ease. The platform integrates seamlessly with AWS tools, ensuring efficient resource utilization, compliance, and cost optimization, empowering organizations to focus on innovation while it handles the complexities of cloud infrastructure.

Skeleton
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Skeleton
Responsibilities:
  • Created the front-end architecture to ensure scalability and maintainability;
  • Developed a design system library to standardize UI components across projects;
  • Established the communication architecture for seamless interaction between micro-frontends;
  • Wrote unit and integration tests to ensure code quality and reliability;
  • Integrated automation pipelines using AWS and Terraform to streamline deployment and infrastructure management.
Project Tech stack:
AWS
Node.js
React
Vite
Jest
API Gateway
Nest.js
Typescript
Prisma

Education

2012
Graphic Design
Bachelor
2015
Systems Analysis and Development
Bachelor

Languages

Portuguese
Advanced
English
Advanced

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