Company: Preemptive Technofield Pvt. Ltd.

Location: New Delhi – Kalkaji

Work Mode: On-site

Experience: 8–12 Years

Employment Type: Full-time

About the Role

Preemptive Technofield Pvt. Ltd. is looking for an experienced Senior Software Developer with strong hands-on expertise in ASP.NET, C#, Microsoft SQL Server and web application development.

The ideal candidate should have experience working on ERP, CRM, e-commerce and enterprise applications, along with the ability to handle application development, database integration, API integrations, deployment, troubleshooting and production support.

Key Responsibilities

- Develop, maintain and enhance web-based enterprise applications using ASP.NET, C# and .NET.
- Work on ERP and CRM applications, internal business applications and administrative portals.
- Develop and maintain e-commerce modules such as product catalogues, customer accounts, cart, checkout, orders, inventory and related workflows.
- Design and maintain SQL Server databases, queries and database-driven applications.
- Develop responsive web interfaces using HTML, CSS, JavaScript, jQuery and Bootstrap.
- Integrate third-party APIs and payment gateways into business applications.
- Understand business requirements and convert them into practical technical solutions.
- Handle application debugging, issue resolution and production support.
- Support application deployment, hosting/server configuration and troubleshooting.
- Work across frontend, backend and database layers.
- Maintain and enhance existing applications while ensuring stability and compatibility with business processes.




- Identify performance and application issues and implement appropriate fixes.
- Coordinate with internal teams/users to understand application requirements and resolve technical issues.
- Participate in application upgrades, maintenance and continuous improvement initiatives.

Required Skills
- 7–10 years of relevant experience in software/web application development.
- Strong hands-on experience with C# and ASP.NET / .NET.
- Strong knowledge of Microsoft SQL Server and SQL queries.
- Good understanding of HTML, CSS, JavaScript, jQuery and Bootstrap.
- Experience with ERP / CRM application development or maintenance.
- Experience in e-commerce application development is preferred.
- Experience with REST APIs / third-party integrations / payment gateways.
- Good understanding of application deployment and production support.
- Exposure to Windows Server / hosting environments.
- Strong debugging and problem-solving skills.
- Ability to independently handle application modules from development through production support.

Good to Have
- Experience with Node.js or React.js.
- Experience with WordPress.
- Experience working on business-critical ERP/CRM applications.
- Experience with payment gateway integrations such as Authorize.Net or similar platforms.
- Experience in application optimization and performance improvement.





What We Are Looking For We are looking for someone who can take ownership of existing and current business applications, understand functional requirements, develop solutions, troubleshoot production issues and work comfortably across development, database, deployment and support.

Key Technology Stack:

C# | ASP.NET | .NET | SQL Server | JavaScript | jQuery | Bootstrap | HTML/CSS | ERP | CRM | E-commerce | REST APIs | Payment Gateway | Windows Server

Location: New Delhi – Kalkaji

Work Mode: On-site

Application Question(s)

- Could you please share your current CTC and notice period?
- Total experience in ASP.NET / C# / .NET?
- How strong is your hands-on experience with SQL Server and SQL queries?
- Have you independently worked on ERP or CRM applications? Please briefly mention the application/module.
- What kind of e-commerce applications/modules have you worked on?
- Do you have experience with API and third-party integrations/payment gateways?
- How much experience do you have in production support, debugging and live application troubleshooting?
- Have you handled application deployment and Windows Server/hosting-related issues?
- Are you comfortable working on both frontend and backend?
- Can you independently develop a CRM system from requirement to deployment?
- Can you develop an ERP application/modules based on business requirements?
- Can you independently develop and maintain business websites/web applications?
- Please share 2–3 major ERP/CRM/website projects you have personally developed and your role in them.

Work Location: In person

📌 Senior Software Developer – .NET / ERP / CRM / Web Applications (Delhi)
🏢 Preemptive Technofield
📍 Delhi