08/19/2026 updated
100 % available
Senior Software Engineer & Technical Consultant | React, TypeScript, Ruby on Rails, Python
Campos dos Goytacazes / Rio de Janeiro, Brazil
Only remote
Bachelor of Computer ScienceAbout me
Senior full-stack engineer with 7+ years shipping production software for teams in the US, Norway, and Italy. React/TypeScript + Rails/Node/Python. Led frontend teams, cut testing costs by 80%, raised test coverage 40% on legacy code. Open to fixed-scope projects and ongoing collaborations.
GitHubPython (Programming Language)Node.jsRuby On RailsRubyTypeScriptAzure Service BusEvent-driven ArchitectureReact.jsBackendEvent Driven ArchitectureFull Stack DevelopmentGraphQLFront End Software Development
React & TypeScript Frontend Development
Expertise in building scalable frontend applications using React and TypeScript, including design systems and component libraries with Storybook achieving 90%+ test coverage across multiple products.
Ruby on Rails & Full-Stack Engineering
Strong background in full-stack product delivery with Ruby on Rails backends combined with React/TypeScript frontends, owning features end-to-end from scoping with stakeholders to production deployment.
CI/CD Pipelines & Testing Infrastructure
Proven track record in building and optimizing CI/CD pipelines using GitHub Actions and Azure DevOps, as well as implementing visual regression testing solutions with Playwright that reduced infrastructure costs by 80%.
Python Backend Development
Contribution to Python backend services, including data visualization dashboards and serverless architectures with low operational costs.
Node.js & GraphQL API Development
Experience building GraphQL API gateways unifying multiple backend services and developing microservices with Node.js.
Cloud & DevOps (AWS, Azure DevOps)
Hands-on experience with cloud infrastructure on AWS and Azure DevOps, including intelligent caching strategies and automated deployment pipelines.
Database Management (PostgreSQL, MongoDB, Snowflake)
Proficiency in relational and non-relational databases including PostgreSQL, MongoDB, and Snowflake, as well as data exposure initiatives integrating DBT for reporting teams.
Serverless Architecture
Design and implementation of serverless, low-cost architectures for MVPs and startups, achieving low operational costs through automated pipelines.
Event-Driven Architecture & Azure Service Bus
Architecture of event-driven automation using Azure Service Bus, replacing manual ERP data entry and improving operational efficiency.
End-to-End Type Safety (Elysia + Eden Treaty)
Implementation of end-to-end type safety across monorepos using Elysia and Eden Treaty, eliminating API contract bugs.
Expertise in building scalable frontend applications using React and TypeScript, including design systems and component libraries with Storybook achieving 90%+ test coverage across multiple products.
Ruby on Rails & Full-Stack Engineering
Strong background in full-stack product delivery with Ruby on Rails backends combined with React/TypeScript frontends, owning features end-to-end from scoping with stakeholders to production deployment.
CI/CD Pipelines & Testing Infrastructure
Proven track record in building and optimizing CI/CD pipelines using GitHub Actions and Azure DevOps, as well as implementing visual regression testing solutions with Playwright that reduced infrastructure costs by 80%.
Python Backend Development
Contribution to Python backend services, including data visualization dashboards and serverless architectures with low operational costs.
Node.js & GraphQL API Development
Experience building GraphQL API gateways unifying multiple backend services and developing microservices with Node.js.
Cloud & DevOps (AWS, Azure DevOps)
Hands-on experience with cloud infrastructure on AWS and Azure DevOps, including intelligent caching strategies and automated deployment pipelines.
Database Management (PostgreSQL, MongoDB, Snowflake)
Proficiency in relational and non-relational databases including PostgreSQL, MongoDB, and Snowflake, as well as data exposure initiatives integrating DBT for reporting teams.
Serverless Architecture
Design and implementation of serverless, low-cost architectures for MVPs and startups, achieving low operational costs through automated pipelines.
Event-Driven Architecture & Azure Service Bus
Architecture of event-driven automation using Azure Service Bus, replacing manual ERP data entry and improving operational efficiency.
End-to-End Type Safety (Elysia + Eden Treaty)
Implementation of end-to-end type safety across monorepos using Elysia and Eden Treaty, eliminating API contract bugs.
Experience
Professional experience5 - 10 years
Freelancer since2025
Languages
EnglishFluentPortugueseNative speakerSpanishFluent
Project history
Senior-level freelance delivery including full-stack product work with React/TypeScript, Rails, Node, and Python; design systems with Storybook; technical consulting on architecture reviews, CI/CD pipelines, and test strategy; and MVPs for founders using serverless architectures.
Led a 3-person frontend team developing BI solutions for the oil & gas industry. Built design system and component library with Storybook at 90%+ test coverage. Reduced infrastructure costs by 80% with custom Playwright visual regression testing. Architected end-to-end type safety using Elysia + Eden Treaty. Built data visualization dashboards with React, TypeScript, and ECharts. Developed CI/CD pipelines with GitHub Actions and Azure DevOps.
Consultant for Procore's 20-year-old Rails/React enterprise construction management platform. Improved test coverage by 40% and delivered critical features for the budget management module. Led cross-team data exposure initiatives and integrated DBT for the Reports team. Won internal hackathon with a landing page solution reducing user navigation by 30%.