I will fix bugs and errors in your python, nodejs, or spring boot backend

M
manoj1449
M
manoj1449
Manoj Kumar
Algumas informações são exibidas no idioma inglês.
fix bugs and errors in your python, nodejs, or spring boot backend
Tela Inteira
fix bugs and errors in your python, nodejs, or spring boot backend
Tela Inteira
Tela Inteira
fix bugs and errors in your python, nodejs, or spring boot backendfix bugs and errors in your python, nodejs, or spring boot backendfix bugs and errors in your python, nodejs, or spring boot backend

Sobre este Serviço

Is your FastAPI, Spring Boot, or Node.js backend throwing errors 

you can't figure out?


I'll find the root cause and fix it not just patch it.


WHAT I FIX

REST API errors and broken endpoints

Authentication issues (JWT, sessions, OAuth)

Database query errors (PostgreSQL, MySQL, SQLite)

Redis caching problems

Docker and deployment issues

Performance bottlenecks

CORS, middleware, and integration errors


WHY TRUST ME

I have open source contributions merged by Tim Abbott 

 (Zulip founder/CEO) and Lee Calcote (Layer5 founder)

I've built production systems with Kafka, Redis, 

 JWT auth, and PostgreSQL RLS

My code ships with tests 150+ tests written across projects

GitHub: github.com/manoj-1407


WHAT YOU GET

Working fix with explanation of what was wrong and why

Clean, commented code

README update if needed

1 round of revisions


IMPORTANT

Message me BEFORE ordering. Send me:

- What your backend does

- What the error/problem is

- Your tech stack


I'll confirm I can fix it before you pay a single rupee.


Tech: FastAPI · Spring Boot · Node.js/Express · PostgreSQL · 

Redis · Docker · JWT · Kafka

  • Especialidade

    • Depuração
    • Desempenho
    • Banco de Dados
    • Procedimentos de teste

  • Linguagem de programação

    • Python

  • Estrutura de back-end

    • Express.js
    • FastAPI
    • Node.js
    • Spring

Conheça mais sobre Manoj Kumar

Manoj Kumar

Full Stack Developer : APIs, Automation, Backend, Web Apps

  • A partir deÍndia
  • Membro desdeabr. de 2026

  • Idiomas

    Telugu, Hindi, Inglês, Alemão
Backend developer with production-grade systems in FastAPI, Spring Boot, and Node.js. I have open source contributions merged by Tim Abbott (Zulip founder/CEO) and Lee Calcote (Layer5/Meshery founder) — 8 PRs across 4 CNCF orgs. Built and deployed: a financial API with Kafka + circuit breaker, a real-time order matching engine, and a multi-tenant SaaS with PostgreSQL row-level security. 150+ tests shipped. I fix root causes, not symptoms. GitHub: github.com/manoj-1407

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