Dotnet Full stack developer

Crisil

Mumbai, Hyderabad

On-site

INR 1,200,000 - 1,800,000

Full time

3 days ago

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Job summary

Crisil is seeking a Senior .NET Full Stack Developer to own and evolve a portfolio of enterprise applications. You will work across ASP.NET 4.8, .NET Core, and React.js, participate in migration efforts, and support Oracle 19c databases and AWS S3 integrations.

Ideal candidates bring strong development and troubleshooting experience in large-scale environments, with focus on modernization and performance tuning. On-site Mumbai/HYD location with enterprise IT stacks.

Qualifications

5-8 years of hands-on experience in .NET full-stack development.
Strong experience with ASP.NET 4.8, .NET Core, and React.js.
Proficiency in Oracle databases and RESTful services.

Responsibilities

Develop, enhance, and modernize enterprise applications using ASP.NET, .NET Core, and React.
Migrate ASP.NET 4.8 apps to modern .NET Core and React architectures.
Design REST APIs, services, and reusable components with performance in mind.
Provide production support and contribute to DevOps pipelines.

Tools

ASP.NET MVC/Web Forms

.NET Core

React.js

Oracle 19c

Azure DevOps

REST API Development

Web API

Entity Framework

LINQ

AWS S3 integration

Job description

Role: Senior .NET Full Stack Developer

Technology: ASP.NET, .NET Core, React, Oracle

Experience: 5-8 Years

Work Location: HYD, Mumbai, India

Job Summary

We are seeking an experienced Senior .NET Full Stack Developer to support, enhance, and modernize a portfolio of enterprise applications. The candidate will be responsible for maintaining applications built on ASP.NET 4.8 and .NET Core, supporting existing Windows Services, and driving UI modernization initiatives using React.js.

The application landscape consists of 2 applications already migrated to .NET Core and 2 applications currently running on ASP.NET 4.8, which will be migrated over time. The role also involves supporting Oracle 19c databases, ARP Authentication, SpreadsheetGear-based Excel processing, AWS S3 file storage integrations, and day-to-day production support activities.

The ideal candidate should possess strong development, troubleshooting, modernization, and support experience in enterprise application environments.

Key Responsibilities

Application Development & Modernization

Develop, maintain, and enhance applications built on ASP.NET 4.8, .NET Core, and C#.
Support and enhance 2 existing .NET Core applications.
Maintain and modernize 2 ASP.NET 4.8 applications.
Participate in migration initiatives from ASP.NET 4.8 to React and .NET Core architecture.
Design and develop REST APIs, business services, and reusable components.
Implement scalable, secure, and high-performance application solutions.

Front-End Development

Develop modern and responsive user interfaces using React.js.
Convert existing ASP.NET pages into React-based components.
Work with JavaScript, TypeScript, HTML5, CSS3, and Bootstrap.
Improve application usability, accessibility, and performance.

Production Support

Provide L2/L3 production support for business-critical applications.
Investigate and resolve production issues within SLA timelines.
Perform root cause analysis (RCA) and implement preventive measures.
Analyze application logs, database issues, and integration failures.
Support application releases, deployments, and post-deployment validation.

Windows Services Support

Support and enhance existing Windows Services.
Troubleshoot service failures, scheduling issues, and processing bottlenecks.
Ensure continuous availability and stability of batch processing services.

Oracle Database Development

Develop and maintain Oracle 19c database objects.
Create and optimize Stored Procedures, Packages, Views, Functions, and Queries.
Perform query optimization and database performance tuning.
Support data correction and migration activities.

Excel & Spreadsheet Processing

Support SpreadsheetGear-based functionality.
Maintain Excel import/export and transaction processing modules.
Troubleshoot business-critical data upload and reporting issues.
Support bulk data loading and file generation processes.

Cloud & File Storage Integration

Support integrations with AWS S3 file storage.
Develop and maintain file upload, download, archival, and processing solutions.
Troubleshoot cloud storage connectivity and file-processing issues.

Security Compliance & Vulnerability Management

Analyze and remediate findings from:
Vulnerability Assessment (VA)
Dynamic Vulnerability Assessment (DVA)
Security Scans
Code Review Findings
Work closely with Information Security teams to resolve security vulnerabilities.
Ensure applications comply with organizational security and compliance standards.
Perform security fixes and validation before production deployment.

Source Control & DevOps