I will build scalable custom saas applications

S
santoshdms2003
S
santoshdms2003
Santosh M
build scalable custom saas applications
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build scalable custom saas applications

About this gig

Looking for a reliable developer to build your web application or SaaS product?


I have 15+ years of software engineering experience, specializing in Python, FastAPI, Flask, React, PostgreSQL, and scalable backend systems.


My services include:


 1. Custom SaaS application development


 2. Python backend and REST API development


 3. Full-stack web application development


 4. Database design and integration


 5. Admin dashboards and business applications


 6. Third-party API integrations


 7. Bug fixing and performance optimization


I focus on clean code, responsive design, scalable architecture, and reliable delivery.


Let's discuss your requirements and turn your idea into a working application!


  • Programming language

    • Python

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Performance
    • Databases

  • Frontend framework

    • Angular
    • AngularJS
    • jQuery
    • Next.js
    • React.js

  • Backend framework

    • FastAPI
    • Flask

  • AI & low/no code builders

    • Lovable
    • Claude
    • Cursor
    • Emergent

Get to know Santosh M

Santosh M

Python Data Engineer And Automation Developer

  • FromIndia
  • Member sinceNov 2026
  • Avg. response time1 hour

  • Languages

    English, Hindi
Python-focused Data Engineer and Backend Developer with 15+ years of software engineering experience building ETL pipelines, data platforms, REST APIs, and automation systems for enterprise SaaS and fintech products. Built backend systems processing approximately 20–50 lakh transactions per day. Strong in query and script performance tuning, workflow orchestration with Airflow, system integrations, and production reliability.

My Portfolio

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