Dot Net Developer

Geotech Infoservices Pvt. Ltd.; Kolkata District; On-site; INR 900,000 - 1,400,000; Full time

Job summary

GeoTech Infoservices Pvt. Ltd. in Kolkata, India, is seeking a Senior Dot Net Developer with strong experience in the .NET Framework and .NET Core. You will work on high-value projects across both SQL and NoSQL databases, with emphasis on MS SQL Server and web API development.

The role requires migrating applications from .NET Framework to .NET Core, implementing secure authentication (OAuth 2.0/OpenID Connect/JWT), and delivering robust, scalable microservices in an Agile/Scrum environment.

Qualifications

• Experience with .NET Framework and .NET Core (4.x+).
• Migration experience from .NET Framework to .NET Core with dependency management.
• Strong SQL Server knowledge with complex queries and procedures.
• RESTful API design and modern auth (OAuth/OpenID/JWT).
• Experience in Agile/Scrum and using Git/Jira/TFS.

Skills

.NET Framework

.NET Core

ASP.NET Core

RESTful API

OAuth 2.0

JWT

Agile/Scrum

SQL Server

NoSQL databases

Migration expertise

Cross-platform deployment

Tools

Entity Framework

Dapper

NHibernate

EF Core

Jira

TFS

Azure (App Services)

SQL Server

Job description

We are hiring for Senior Dot Net Developer.

The ideal candidate should have experience working with the .NET Framework and a strong understanding of data structures. Familiarity with both SQL and NoSQL databases is highly desirable. Additionally, experience with MS SQL Server would be beneficial. As a key member of the team, this individual will contribute to several high-value projects within GeoTech.

About Us:

GeoTech is a software development company based in Kolkata, India. We are focused to bring the best and most efficient business solutions to our clients using the new and evolving technologies. Along with our people, our assets are the rich experience and knowledge we have gained across technology verticals.

Apart from developing in classical as well as contemporary Open Source and Microsoft technologies GeoTech is also working with the solutions of the future, blending mobile technologies with Proximity Sensors, Augmented Reality and IoT.

Role Requirement:

1. Technical Skills

1.1 DOT NET

• a. Strong proficiency in .NET Framework (version 4.x or higher).
• b. Deep understanding of .NET Core (.NET 6+), including experience with ASP.NET Core, dependency injection, middleware, and web API development. Knowledge of cross-platform development and deployment using .NET Core.

1.2 Migration Expertise

• a. Experience migrating applications from .NET Framework to .NET Core, including addressing issues like package compatibility, dependency management, and performance tuning.
• b. Experience in identifying and resolving challenges in the migration process such as legacy database interactions, third-party libraries, and security concerns.
• c. Ability to optimize and refactor legacy code while ensuring minimal disruption to business operations during the migration.

1.3 Web Technologies

• b. Familiarity with RESTful API design and integration.
• c. Knowledge of modern authentication protocols such as OAuth 2.0, OpenID Connect, and JWT.

1.4 Databases and ORM

• a. Proficiency with SQL Server or other relational databases, including writing complex queries, stored procedures, and performance optimization.
• b. Hands-on experience with ORM tools like Entity Framework (EF6/EF Core), Dapper, or NHibernate.

2. Experience

• a. Minimum of 4-7 years of experience in .NET development, with at least 2 years working with .NET Core.
• b. Experience in migration projects, particularly from .NET Framework to .NET Core..
• c. Experience working in Agile/Scrum teams with an understanding of software development lifecycle.
• d. Knowledge of source control (e.g., Git) and task management tools (e.g., Jira, TFS).

3. Optional Skills (Nice to Have)

• a. Knowledge of microservices architecture.
• b. Experience with test-driven development (TDD) and automated testing frameworks like xUnit, or NUnit.
• c. Familiarity with Agile methodologies such as Scrum or Kanban.
• d. Experience in cloud platforms such as Azure particularly with services like Azure App Services, databases (e.g., SQL Server).