lucas vieira

Lucas Vieira

Full-Stack Software Engineer

I build products, tools and web/mobile systems end to end.

Software Engineer at Finne Brazil · UTC-3
About

Full-stack software engineer

I work across frontend, mobile, backend, databases and integrations, with experience in SaaS, credit workflows, onboarding, digital account and digital signature products.

Main stack: React, Next.js, TypeScript, React Native, Node.js, PHP, CodeIgniter 4, MySQL, Docker and CI/CD.

Experience

Software Engineer

Finne

Full-stack engineer on a B2B SaaS credit-management platform for financial institutions, banks and credit-focused companies.

  • Led the frontend of a self-service loan onboarding flow using React, Next.js and TypeScript.
  • Designed frontend boundaries for credit workflows, multi-tenant customization and reusable modules.
  • Built backend features with PHP, CodeIgniter 4 and MySQL: REST APIs, business rules and financial-service integrations.
  • Implemented Node.js jobs and queues for reports, external integrations, credit bureaus and batch operations.
  • Optimized MySQL queries and report generation using schema design, indexes and EXPLAIN.
  • Worked on React Native apps for iOS and Android, including shared validation and release support.
  • Contributed to CI/CD, code review, release planning and AI-assisted review with Claude Code.
  • React
  • Next.js
  • TypeScript
  • React Native
  • Node.js
  • PHP
  • MySQL
  • CI/CD

Software Engineer

Dimensa Tecnologia
1 yr 6 mos

Software engineer on fintech, digital account and digital signature products, with focus on frontend and mobile.

  • Led the frontend refactor of Dimensa Sign using React and TypeScript.
  • Built and published React Native apps to the App Store and Google Play.
  • Developed responsive React interfaces integrated with REST APIs.
  • Implemented backend features in PHP and MySQL when needed.
  • Worked with product, UX, QA and backend teams through planning, release and post-launch support.
  • React
  • React Native
  • TypeScript
  • JavaScript
  • PHP
  • MySQL
Skills

Core stack

Frontend

Web interfaces, design systems and application shells with typed UI and consistent styling.

React · Next.js · Astro · Vue · Tailwind CSS · Material UI · shadcn/ui

Mobile

Cross-platform and native mobile development with release-oriented workflows.

React Native · Expo · Swift

Backend

Application services, REST APIs, business rules and integrations with external systems.

Node.js · NestJS · PHP · Go · Python · REST APIs

Data & messaging

Relational data, caching, event-driven workflows and query tuning for operational flows.

MySQL · PostgreSQL · Redis · Kafka · SQL

Cloud & DevOps

Cloud infrastructure, containers and release pipelines for deployed applications.

AWS · Docker · CI/CD · GitHub Actions · GitLab

Quality

Testing, code review and team workflows for maintainable software delivery.

Tests · Code review · Scrum · Kanban · Git

Contact

Contact

LinkedIn is the best channel for professional contact. Code and public experiments are on GitHub.

Message me on LinkedIn linkedin.com/in/lucasgomesv5 See my GitHub github.com/lucasgomesv5