Danilo Lopes

Backend Developer

Backend developer building reliable APIs and services, from database design to cloud deployment.

  • Microservices
  • Cloud-Native
  • RESTful APIs
  • Node.js & C#

About

Hello

I’m a developer passionate about technology and fascinated by the world of software development. With over 4 years of experience, I have been creating personal projects and continuously improving my skills, with a special focus on back-end development.

Here, you can explore some of the projects I have developed and the ones I’m currently working on. Are you here out of curiosity or because I shared this with you? Either way, feel free to explore!

Additionally, right below, you’ll find the technologies I work with and improve my skills in daily.

Projects

Here are some of the projects I’ve developed.

Neko Tracking

Automated real-time package tracking WhatsApp bot built with Node.js and Baileys library, handling asynchronous event flows.

Node.jsBaileysTypeScriptEvent-Driven

NiceTools

REST API built with Node.js, Express, and MongoDB featuring secure JWT authentication, route validation, and frontend integration.

Node.jsExpressMongoDBJWT Auth

Person API

Web API developed in C# (ASP.NET Core) with full CRUD operations, MySQL database integration, and clean layered architecture.

C#ASP.NET CoreMySQLClean Arch

Skills

Technologies, tools, and concepts I apply in software development.

Backend & APIs

Building high-performance RESTful APIs, microservices, and real-time automations with Clean Architecture and SOLID.

Stack
Node.jsC# / .NET CoreTypeScriptExpressBaileys
Conceitos
Clean ArchitectureSOLIDAPIs RESTfulEvent-Driven
In portfolio:
Neko TrackingNiceToolsPerson API

Databases

Relational and NoSQL modeling focused on integrity, ACID transactions, migrations, and optimized queries.

Stack
PostgreSQLMongoDBMySQLPrismaEF Core
Conceitos
Modelagem RelacionalNoSQLACIDMigrations
In portfolio:
Person APINiceTools

DevOps & Cloud

Environment parity with Docker & Docker Compose, version control, and cloud deployments (AWS / Linux).

Stack
DockerDocker ComposeAWSGitGitHub Actions
Conceitos
Conteinerização12-FactorCI/CDGit Flow
In portfolio:
NiceToolsNeko TrackingPerson API

Frontend & Web

Developing fast, responsive, modern web interfaces with Next.js and Tailwind CSS integrated with APIs.

Stack
Next.jsReactTailwind CSSTypeScript
Conceitos
SSR & SSGComponentizaçãoUI/UXAPIs
In portfolio:
PortfólioNiceTools Web

Get in touch

Feel free to reach out for collaborations or just to say a friendly hello.

Available for new opportunities

Interested in building scalable solutions, robust APIs, or discussing new projects? Reach out anytime:

Danilo Lopes · BackendOnline