I will rest API development with net core, nodejs or nestjs

C
cosme_sousa
C
cosme_sousa
Cosme S
rest API development with net core, nodejs or nestjs
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rest API development with net core, nodejs or nestjs
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rest API development with net core, nodejs or nestjsrest API development with net core, nodejs or nestjs

About this gig

Fullstack Developer specialized in .NET Core, Node.js, NestJS and Python. From small backend scripts to complete websites and web applications, I build scalable REST APIs, database integrations, payment systems and clean architecture solutions.

  • Programming language

    • C#

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Security
    • Design
    • Databases

  • Frontend framework

    • Bootstrap
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • NestJS
    • Next.js
    • Node.js

  • AI & low/no code builders

    • Lovable
    • Cursor
    • Other

Get to know Cosme S

Cosme S

Software Engineer

  • FromBrazil
  • Member sinceApr 2026
  • Avg. response time1 hour

  • Languages

    English
I am a Senior Software Engineer / Fullstack Developer focusing on .NET, Node.js, Python, Golang, and React.js, mainly working on financial systems, payments, receivables, and settlement.

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