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Lemon.dev

Project Portfolio

Explore my projects in mobile development, front-end, back-end, full-stack, and artificial intelligence. From apps to APIs and complete platforms.

21 projects found

Check out my GitHub for more repositories, demos, and open source experiments.

Screenshot of Neutrix - web development project by Anderson Lima
AI Productivity

Neutrix

AI-powered productivity app that helps you manage tasks smarter. With intelligent suggestions powered by machine learning, Neutrix learns your workflow and surfaces the right tasks at the right time — so you focus on what matters and get more done, effortlessly.

React NativeTypeScriptAIMachine LearningAndroidFirebase
Screenshot of luminALL - web development project by Anderson Lima
Generative AI + Inclusion

luminALL

Inclusive career platform with generative AI. Uses GPT-4 to create personalized resumes, interview preparation, and professional profile analysis for neurodivergent individuals.

Next.jsGemini APIsTypeScriptFirebaseTailwindCSSWhite Labeli18nFrontendAIFirebaseUX/UI
Screenshot of XGame API - web development project by Anderson Lima
REST API

XGame API

Built in C# with .NET Core, using Entity Framework and Swagger for documentation.

BackendAPIC#EF CoreSwagger
Screenshot of React Cupertino UI - web development project by Anderson Lima
Design System

React Cupertino UI

React component library with iOS 26 Liquid Glass design. Over 100 accessible, TypeScript-first, production-ready components. Built with Vite, Tailwind CSS, and Storybook.

ReactTypescriptScssAtomic DesignStorybookFrontendFront-end
Screenshot of IgnitionStack - web development project by Anderson Lima
SaaS + AI

IgnitionStack

AI-powered SaaS boilerplate to launch your startup fast. Built with Next.js, TypeScript, Supabase, and Tailwind. Includes authentication, payments, AI integrations, and everything you need to ship quickly.

Next.jsReactTypeScriptSupabasePostgreSQLStripeTailwind CSSShadcn UIOpenAI API
Screenshot of Avenexi - web development project by Anderson Lima
Web product + AI

Avenexi

A web product for career development and professional progression with artificial intelligence. Explore the experience at avenexi.pro.

Next.jsTypeScriptOpenAI APISupabase
Screenshot of Decoding the Layers of AI - web development project by Anderson Lima
Free E-book

Decoding the Layers of AI

Free e-book for devs who want to become AI-native: understand and build the agentic systems beneath the chat. One layer at a time — LLM, harness, agent, subagent, context, skill, plugin, MCP and CLI — on top of a concrete example: an Orders CRUD.

LLMAI AgentsSubagentsMCPClaude CodeContext EngineeringCLI
Screenshot of VaiDeFut - web development project by Anderson Lima
Mobile App

VaiDeFut

VaiDeFut mobile app with an official website and an Android distribution listing on Google Play.

React NativeExpoTypeScriptFirebase
Screenshot of Track Habits - web development project by Anderson Lima
Mobile App

Track Habits

Habit tracking application using React Native, Node.js, Prisma, and SQLite

React NativeNode.jsPrismaSQLite
Screenshot of Todo Ultimate - web development project by Anderson Lima
PWA

Todo Ultimate

Task manager built with React, TypeScript, TailwindCSS, Firebase and PWA concept.

ReactTypeScriptTailwindFirebasePWA
Screenshot of Fire Chat - web development project by Anderson Lima
Real-time Chat

Fire Chat

Real-time chat built with React, TypeScript, TailwindCSS, and Firebase.

ReactTypeScriptTailwindFirebase
Screenshot of OmniStack Web - web development project by Anderson Lima
Web App

OmniStack Web

Developed in ReactJS, responsible for the web front-end of the Be The Hero application.

ReactJavaScript
Screenshot of React Boilerplates - web development project by Anderson Lima
Boilerplate

React Boilerplates

Scaffold for React projects with TypeScript, React Query, Zustand, and TailwindCSS.

ReactTypeScriptReact QueryZustandTailwind
Screenshot of LinkMosaic - web development project by Anderson Lima
SaaS Platform

LinkMosaic

Link in bio platform similar to Linktree, with custom themes, analytics and QR code generator.

React.jsTypeScriptFirebaseTailwindCSSAIApple Design System
Screenshot of OmniStack API - web development project by Anderson Lima
REST API

OmniStack API

Developed in Node.js, responsible for CRUD of the Be The Hero application.

Node.jsExpressSQLite
Screenshot of Spec Loop - web development project by Anderson Lima
DevTools

Spec Loop

Technical specification library and feedback loop for iterative development. Continuous validation system for requirements and implementation.

TypeScriptReactNext.jsTestingDocumentationIterative Development
Screenshot of Contacts API - web development project by Anderson Lima
REST API

Contacts API

Developed in Node.js, Express handles contact CRUD. API to be used in a contacts app.

Node.jsExpressMongoDB
Screenshot of Java H2 Database - web development project by Anderson Lima
Backend + Java

Java H2 Database

A Java backend project using H2 Database, available on GitHub for inspection and extension.

JavaH2 Database
Screenshot of Java Journey - web development project by Anderson Lima
Backend + Java

Java Journey

A Java study and practice repository documenting a learning journey on GitHub.

Java
Screenshot of Dart Samples - web development project by Anderson Lima
Full-stack

Dart Samples

Dart training by Alura school, Dart is a language created by Google for full-stack development.

DartFlutter
Screenshot of Lemon Http Status Code - web development project by Anderson Lima
Documentation

Lemon Http Status Code

Developed in ReactJS, documents the main HTTP status codes. In an interactive and organized way.

ReactTypeScriptFirebase
On-demand services

Stop guessing. Get senior technical guidance on demand.

Focused formats for technical review, architecture, and mentoring — with an objective diagnosis and direct access to me.

We'll agree on the format and timing when you reach out

Application auditPopular

End-to-end code review

You need to know what breaks before your users find out. I audit code, architecture, and deploys to catch bugs, security holes, and bottlenecks.

Scope agreed togetherAI-native & legacy apps
  • Report with prioritized bugs, debt, and risks
  • Video walkthrough covering the critical sections

You get a prioritized fix list and keep shipping while technical debt gets resolved.

Book this service
ArchitectureStrategic

Architecture and critical decisions

Your team is debating Next.js vs Remix, Postgres vs MongoDB. I cut through the noise, choose the stack, and document why.

Next.js, React, AI-nativeDocumented ADRs
  • Matrix of technical requirements and constraints
  • Architecture blueprint and data flows

Your team moves forward with documented architecture decisions, not endless Slack debates.

Book this service
Vibe coded appsNew

Review for AI-generated apps

You shipped an MVP using Cursor or v0 in 48 hours. Now it needs real architecture. I refactor critical paths and hand it back production-ready.

Vibe codingGuided refactors
  • Compliance & best-practices checklist
  • Refactors for the critical sections

Your MVP scales without turning into a rewrite six months later.

Book this service
1:1 Mentorship

Mentorship for senior devs and founders

Want to level up your career, reposition yourself in the market, or structure your squad? I build a custom plan with real deliverables: updated CV, polished LinkedIn, portfolio ready to deploy, and mock interviews.

Career, squads & positioning4 to 12 week plans
  • Custom career roadmap with quarterly milestones
  • CV and LinkedIn profile reviewed and updated

You leave with clear positioning, professional materials ready to go, and confidence for your next move.

Book this service
View all services

Focused formats for technical review, architecture, and mentoring — with an objective diagnosis and direct access to me.

Want to see more projects?

Check out my GitHub for more repositories, demos, and open source experiments.

View on GitHub