11/02/2026 updated
100 % available
Full Stack .NET Developer | Web API & SQL Specialist | Python & AI Integration
Kolhapur, India
Only remote
Master of Computer Applications (MCA), Computer EngineeringAI AgentsASP.NETApplication Programming Interfaces (APIs)C Sharp (Programming Language)DevOpsPython (Programming Language)PostgreSQLMessaging Application Programming InterfaceAzure SQLWindows APISoftware ArchitectureAngular 2+Azure Machine LearningSoftware SystemsSQL Databases
Backend Development with ASP.NET Core & Microservices
Expertise in designing and scaling multi-tenant REST APIs and microservices using C#, .NET 8, ASP.NET Core, and Minimal APIs, following Clean Architecture and SOLID principles. Delivery of end-to-end features bridging EF Core backend logic with interactive frontends.
SQL Server & Database Optimization
Authoring of optimized SQL Server stored procedures, indexing schemas, and advanced queries, improving query execution time and overall API performance by up to 30%. Experience with MySQL and PostgreSQL including optimization, indexing, and stored procedures.
AI & ML Integration (RAG Pipelines, LLM Workflows, OpenAI API)
Architecture of AI-driven integrations including RAG pipelines, custom LLM workflows, and Python (FastAPI/Flask) microservices. Hands-on experience with OpenAI API, ML.NET, Chatbot Development, Claude AI, and Copilot for building intelligent, scalable systems.
Frontend Development (React, Next.js, Razor, JavaScript)
Building of responsive, cross-browser UIs using React, Next.js, Razor, JavaScript (ES6+), HTML5, CSS3, and Bootstrap for seamless data entry and reporting.
Cloud & DevOps (Azure, AWS, Docker, CI/CD)
Utilization of Docker, Azure DevOps, basic AWS and Azure services, GitHub Actions, and CI/CD automation to maintain high development velocity and zero-downtime deployments.
Security & Access Control (JWT, RBAC)
Implementation of JWT authentication, API key management, and role-based access control (RBAC) to secure distributed corporate assets and reduce manual operational errors.
Python Microservices (FastAPI/Flask)
Development of Python-based microservices using FastAPI and Flask, integrated alongside .NET APIs for AI-driven and data-intensive workflows.
Software Architecture & Best Practices (Clean Architecture, SOLID, DRY)
Application of Clean Architecture, SOLID principles, and DRY practices to build maintainable, scalable, and testable software systems.
Tools & Practices (Git, Jira, Postman, Unit Testing)
Proficient use of Git for version control, Jira for project management, Postman for API testing, and unit testing frameworks to ensure code quality and team collaboration.
Expertise in designing and scaling multi-tenant REST APIs and microservices using C#, .NET 8, ASP.NET Core, and Minimal APIs, following Clean Architecture and SOLID principles. Delivery of end-to-end features bridging EF Core backend logic with interactive frontends.
SQL Server & Database Optimization
Authoring of optimized SQL Server stored procedures, indexing schemas, and advanced queries, improving query execution time and overall API performance by up to 30%. Experience with MySQL and PostgreSQL including optimization, indexing, and stored procedures.
AI & ML Integration (RAG Pipelines, LLM Workflows, OpenAI API)
Architecture of AI-driven integrations including RAG pipelines, custom LLM workflows, and Python (FastAPI/Flask) microservices. Hands-on experience with OpenAI API, ML.NET, Chatbot Development, Claude AI, and Copilot for building intelligent, scalable systems.
Frontend Development (React, Next.js, Razor, JavaScript)
Building of responsive, cross-browser UIs using React, Next.js, Razor, JavaScript (ES6+), HTML5, CSS3, and Bootstrap for seamless data entry and reporting.
Cloud & DevOps (Azure, AWS, Docker, CI/CD)
Utilization of Docker, Azure DevOps, basic AWS and Azure services, GitHub Actions, and CI/CD automation to maintain high development velocity and zero-downtime deployments.
Security & Access Control (JWT, RBAC)
Implementation of JWT authentication, API key management, and role-based access control (RBAC) to secure distributed corporate assets and reduce manual operational errors.
Python Microservices (FastAPI/Flask)
Development of Python-based microservices using FastAPI and Flask, integrated alongside .NET APIs for AI-driven and data-intensive workflows.
Software Architecture & Best Practices (Clean Architecture, SOLID, DRY)
Application of Clean Architecture, SOLID principles, and DRY practices to build maintainable, scalable, and testable software systems.
Tools & Practices (Git, Jira, Postman, Unit Testing)
Proficient use of Git for version control, Jira for project management, Postman for API testing, and unit testing frameworks to ensure code quality and team collaboration.
Experience
Professional experience0 - 5 years
Freelancer since2023
Languages
EnglishFluentHindiFluent
Project history
Design and scaling of multi-tenant REST APIs and microservices using C#, .NET 8, ASP.NET Core, and Minimal APIs following Clean Architecture and SOLID principles. Authoring of optimized SQL Server stored procedures and advanced queries, improving query execution time and API performance by up to 30%. End-to-end feature delivery bridging EF Core backend with React, Next.js, and Razor frontends. Architecture of AI-driven integrations including RAG pipelines, custom LLM workflows, and Python (FastAPI/Flask) microservices. Implementation of JWT authentication, API key management, and RBAC. Maintenance of CI/CD pipelines for zero-downtime deployments.
Ownership of the full SDLC including requirements gathering, database schema design, development, and cloud deployment for a custom management system. Built a responsive, multi-tier application using ASP.NET MVC and C# with secure business logic and strict server-side validation. Designed and managed optimized SQL Server schemas and queries for high-integrity internal data transactions. Delivered a clean, cross-browser UI with HTML5, CSS3, JavaScript, and Bootstrap.
Building and integration of modular web components using C# and ASP.NET MVC, applying DRY principles to reduce redundant logic. Refactoring of legacy queries and tuning of SQL Server indexing, cutting query execution times by 25-30%. Implementation of Role-Based Access Control (RBAC) and automated core workflows, reducing manual operational errors by 40%. Contribution to the user module of an enterprise Banking Management System and enhancement of UI/UX and system stability.