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I will build your startup mvp backend API with auth, database, and deployment

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Ujjwal C
build your startup mvp backend API with auth, database, and deployment
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build your startup mvp backend API with auth, database, and deployment

About this gig

not throwaway prototypes

  • I deliver on time with clear communication at every stage
  • - 11+ years of real engineering experience across startups and large-scale systems

  • This gig is ideal for:

  • - Are you building a startup, SaaS product, or MVP and need a solid backend API fast? You are in the right place.


I am a Principal-level software engineer with 11+ years of experience building production-grade backend systems for startups and enterprises. I have shipped APIs and distributed systems used in telecom, cloud infrastructure, automotive, and SaaS products.


What I will build for you:


  • REST or GraphQL API tailored to your product requirements
  • - Secure authentication and authorization (JWT, OAuth2, role-based access)
  • - Database design and integration (SQL or NoSQL, your choice)
  • - Third-party integrations (payments, email, storage, SMS, and more)
  • - Input validation, error handling, and structured logging
  • - API documentation (Swagger / OpenAPI)
  • - Deployment configuration (Docker, cloud-ready)

Why work with me:


  • I work in any stack. Whether you are using Node.js, Python, Java, Go, or something else, I adapt to your existing setup
  • - I write clean, well-commented, production-ready code

  • Expertise

    • Performance
    • Security
    • Databases
    • Source control
    • Testing procedures

  • Programming language

    • JavaScript

  • Backend framework

    • Express.js
    • FastAPI
    • NestJS
    • Node.js
    • Yii2

Get to know Ujjwal C

Ujjwal C

Senior Full Stack and Systems Engineer, APIs, Backend, React, Cloud

  • FromIndia
  • Member sinceDec 2023
  • Avg. response time4 hours

  • Languages

    English
Principal-level engineer, 11+ years across the full stack: systems programming, backend APIs, frontend UIs, and cloud infra. Shipped production software for startups and enterprises across SaaS, telecom, automotive, and cloud domains. What I offer: Backend: REST/GraphQL APIs, SQL and NoSQL databases Frontend: Component-based UIs, responsive design Systems: Low-level programming, performance tuning DevOps: Containers, CI/CD, Linux, cloud deploy Clean code. Clear communication. Fast delivery.

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