Sr. DotNet Developer at Indus Net Technologies — Kolkata, IND | Base Career

Preferred Background: Product Company (SaaS / ERP / CRM / HRMS / LMS / FSM) Role Summary We are looking for a hands-on Senior Software Engineer (.NET) to take ownership of critical enterprise applications and contribute to architecture, development, deployment, API design, and technical decision-making.

The candidate should be capable of understanding complex existing systems, guiding developers, reviewing code, resolving production issues, and delivering scalable software solutions.

Understand and own existing product architecture and codebase.
Design, develop, and maintain enterprise-grade web applications and APIs.
Participate in architecture and technical design discussions.
Review code and ensure adherence to engineering standards.
Drive application performance, security, maintainability, and scalability.
Work closely with Product Managers, QA, Support, and Leadership teams.
Troubleshoot and resolve critical production issues.
Manage technical debt and modernization initiatives.
Create and maintain technical documentation.
Mentor developers and share technical knowledge.
Ensure timely delivery of roadmap items and customer commitments.
Contribute to engineering process improvements and best practices.
Support customer deployments and production releases.
Reduce dependency on individuals through documentation and knowledge sharing. Technical Expertise Required Backend Development
C#

ASP.NET Core / .NET 8+

Design and develop RESTful APIs.
API-first application development.
JSON request/response handling.
API versioning and backward compatibility.
JWT / Token-based authentication.
Swagger / OpenAPI documentation.
API security and performance optimization.
Third-party API integration.
Mobile App API integration experience. Database

Stored Procedures
Functions and Views
Database Design
Query Optimization
Performance Tuning
Indexing and Execution Plan Analysis Architecture
MVC Architecture
Layered Architecture
Clean Architecture
SOLID Principles
Design Patterns
Service-Oriented Architecture
API-First Design

HTML5
CSS3
JavaScript
jQuery
Bootstrap

IIS Hosting and Configuration

Release Management
Production Support
Application Monitoring

Visual Studio AI-Assisted Development (Mandatory) Hands-on experience using:
GitHub Copilot
ChatGPT
Claude
Cursor or equivalent AI development tools Ability to leverage AI for:
Faster development
Code review
Refactoring
Documentation
Unit test generation
SQL optimization
Debugging and troubleshooting
Productivity improvement Preferred Experience

ERP Products
CRM Products
HRMS Products
LMS Products

Microservices Architecture
Redis Caching
Docker
RabbitMQ
Azure or AWS Exposure

Ability to independently own major product modules.
Strong debugging and problem-solving skills.
Experience working on customer-facing production systems.
Good communication and stakeholder management skills.
Experience guiding junior developers and reviewing code.
Ability to estimate effort, identify risks, and propose technical solutions.
Ownership mindset with focus on product quality and delivery. Success Criteria
Understand existing product architecture within 60–90 days.
Independently handle major modules and releases.
Improve code quality and engineering processes.
Reduce dependency on individual team members through documentation and knowledge sharing.
Deliver releases with minimal production issues.
Contribute to long-term product architecture and modernization initiatives. Candidate Rejection Criteria
No ASP.NET Core experience.
Weak SQL optimization knowledge.
No API development experience.
No production support experience.
No architecture/design exposure.
Unable to explain dependency injection or SOLID principles.
No experience with AI-assisted development tools.
Service-company-only experience without ownership of a product codebase may be given lower preference.

Sr. DotNet Developer

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Key Skills for This Role

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Key Responsibilities

• ASP.NET MVC 5

• ASP.NET Web API

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