Senior Software Developer

Innovage Fintech Private Limited (5nance); Mumbai Suburban; On-site; INR 1,500,000 - 2,200,000; Full time

Job summary

Innovage Fintech Private Limited (5nance) seeks a Senior .NET Developer to build and maintain enterprise web applications and APIs in a fast-paced fintech environment.

You will work on C#, .NET MVC, .NET Core/Web API, REST APIs, SQL Server and frontend tech like React/Next.js, delivering secure, scalable solutions while collaborating with cross-functional teams and ensuring performance improvements.

Qualifications

• 4–6 years of hands-on development experience.
• Strong knowledge of C#, .NET MVC, and REST APIs.
• Experience with SQL Server and performance tuning.

Responsibilities

• Develop and maintain enterprise web applications and APIs using C#, .NET MVC, .NET Core/Web API, React.js/Next.js and TypeScript.
• Design and optimize SQL Server stored procedures, queries, views, functions, and database operations.
• Develop RESTful APIs, integrations, and backend services.
• Work on performance optimization, indexing, execution plans, and troubleshooting SQL issues.
• Implement secure, scalable, and maintainable application architecture using SOLID principles and design patterns.
• Collaborate with frontend, QA, and business teams to deliver features.
• Debug production issues and provide root-cause analysis and fixes.
• Exposure to AI/Python/FastAPI and AI-driven SQL optimization is an added advantage.

Skills

C#

.NET MVC

.NET Core/Web API

SQL Server

Stored Procedures

React.js/Next.js

JavaScript/TypeScript

REST APIs

Git

debugging and performance optimization

Job description

We are looking for a Senior .NET Developer with strong experience in building and maintaining enterprise web applications and APIs.

Key Responsibilities:

• Develop and maintain applications using C#, .NET MVC, .NET Core/Web API, React.js/Next.js and TypeScript.
  
• Design and optimize SQL Server stored procedures, queries, views, functions, and database operations.
  
• Develop RESTful APIs, integrations, and backend services.
  
• Work on performance optimization, indexing, execution plans, and troubleshooting SQL issues.
  
• Implement secure, scalable, and maintainable application architecture using SOLID principles and design patterns.
  
• Work with existing enterprise modules, reports, payment/transaction flows, and third-party integrations.
  
• Debug production issues and provide root-cause analysis and fixes.
  
• Collaborate with frontend, backend, QA, and business teams to deliver features.
  
• Exposure to AI/Python/FastAPI and AI-driven SQL optimization is an added advantage.
  

Required Skills:

C#, .NET MVC, .NET Core/Web API, SQL Server, Stored Procedures, React.js/Next.js, JavaScript/TypeScript, REST APIs, Git, debugging and performance optimization.

Experience:

4-6 Years