Dot Net Developer

Responsibilities:

Develop and maintain front-end applications using Razor View (MVC) in C#, JavaScript, jQuery, and React / Angular.

Design and implement robust backend services using C# focusing on Rest APIs and integrating third-party APIs.

Work with databases like Microsoft SQL, with a focus on gradually adopting NoSQL solutions.

Create and maintain reporting solutions using SSRS, Crystal Reports, and Power BI.

Design and manage ETL processes and data warehousing solutions using SSIS and SSAS.

Collaborate with cloud infrastructure teams to deploy and maintain solutions on Azure, AWS, and Private Cloud environments.

Ensure code quality and performance optimization through regular reviews and updates.

Work in an Agile environment, actively participating in sprints, code reviews, and team meetings.

Ideal Candidate

Proficiency in front-end technologies such as Razor View (MVC), JavaScript, jQuery, and React / Angular.

Strong backend development experience in C# using the Design First and Code First approaches.

Experience with RESTful API development and integration of third-party APIs.

Familiarity with Microsoft SQL and NoSQL databases.

Hands-on experience with reporting tools like SSRS, Crystal Reports, and Power BI.

Knowledge of ETL and data warehousing tools, particularly SSIS and SSAS.

Experience with cloud platforms like Azure, AWS, and Private Cloud.

Solid understanding of software development principles and practices.

Experience with Power BI or other BI tools for data visualization.

Knowledge of Python, Spark, or Databricks for advanced data processing

Responsibilities

• Enhance and maintain our main web application, ASCLOGS, built on ASP.NET MVC

(.NET Framework 4.8) with features such as authentication, PDF generation via

IronPdf, audit logging with log4net, Twilio SMS integration, and data access through

PetaPoco.

• Support multiple companion projects including:

• CopyForm, an MVC tool that copies form templates between SQL Server

databases using AJAX and PetaPoco data access.

• SQLImportApp, a WinForms importer leveraging ExcelDataReader and

Z.Dapper.Plus for bulk inserts.

• DEAVerification, a WinForms app automating data retrieval via Selenium

WebDriver and storing results with PetaPoco.

• UniversalScrapperAPI, an ASP.NET Web API that scrapes licensing

information using Selenium and logs results with log4net.

• HL7DocAssistantSync, a VB.NET library for HL7 message processing and

PDF generation with PdfSharp.

• ChatGPT Implementation, a .NET 8 Web API example showing how we

integrate with OpenAI's ChatGPT service.

• S3MicroService, a .NET 8 Web API using AWS SDK packages

(AWSSDK.S3, AWSSDK.Extensions.NETCore.Setup) and Entity Framework

Core for storage.

• Maintain PowerShell utilities used for onboarding tasks such as document-to-PDF

conversion and CSV generation.

• Review existing code to improve reliability, enhance testability, and refactor large

code files (for example, BusinessLayer/BusinessLayer.cs is roughly 28k lines).

• Work closely with stakeholders to gather requirements for new features and ensure

compatibility with our SQL Server backend.

• Assist in modernizing legacy components and implementing best practices for

security, error handling, logging, and deployment automation.

Required Skills

• 10+ years of development experience

• Extensive experience with C# and the .NET ecosystem, including both legacy .NET

Framework and modern .NET Core / .NET 8.

• Solid understanding of ASP.NET MVC, Web API, and Windows Forms development.

• Familiarity with PetaPoco, Entity Framework Core, and SQL Server.

• Experience integrating third-party services such as Twilio, OpenAI, Selenium

WebDriver.

• Ability to write and troubleshoot PowerShell scripts for automation tasks.

• Comfortable navigating large codebases and improving code quality through

refactoring, unit testing, and documentation.

• Proficiency with version control (Git) and the Visual Studio toolchain.

Preferred Skills

• Background in healthcare or regulated industries, since many applications manage

sensitive data (e.g., DEA verification, HL7 messaging).

• Knowledge of PDF generation libraries (IronPdf, PdfSharp) and logging frameworks

(log4net).

• Experience with CI/CD pipelines for .NET applications.

• Nice to have Unit Testing frameworks (i.e. NUnit, MS Testing Framework )

Location & Work Environment

This role requires working with Visual Studio on Windows for the .NET Framework solutions

and .NET 8 projects. Experience with IIS or IIS Express is helpful for local development and

testing.

VB.NET Developer (5+ Years Experience)

Job Description

We are seeking a highly skilled VB.NET developer with 5+ years of experience to join our development team. The ideal candidate will have a strong foundation in VB.NET and the .NET Framework, along with a proven track record of designing, developing, and deploying scalable and maintainable software solutions.

Responsibilities:

• Design, develop, and implement complex applications using VB.NET and the .NET Framework.
• Collaborate with designers, product managers, and other stakeholders to understand requirements and translate them into functional and user-friendly applications.
• Write clean, efficient, and well-documented code that adheres to best practices and coding standards.
• Develop and maintain web applications using ASP.NET (Web Forms or MVC).
• Build and interact with databases using ADO.NET.
• Create and implement reusable components and libraries.
• Troubleshoot and debug complex technical issues.
• Participate in code reviews and provide constructive feedback.
• Stay up-to-date with the latest trends and technologies in VB.NET and the .NET Framework.
• Contribute to the continuous improvement of our development processes and tools.

Required Skills and Experience:

• 5+ years of experience as a VB.NET developer.
• In-depth knowledge of VB.NET syntax, data types, control flow, and object-oriented programming (OOP) concepts.
• Strong understanding of the .NET Framework, including the CLR, CLI, and BCL.
• Experience with ASP.NET (Web Forms or MVC) for building web applications.
• Proficiency in ADO.NET for database access.
• Experience with Windows Forms for desktop application development (a plus).
• Familiarity with web services (SOAP and REST) and their integration.
• Understanding of XML and its use in data exchange and configuration.
• Knowledge of SQL for interacting with relational databases.

Preferred Skills:

• Experience with design patterns for writing maintainable code.
• Proficiency in version control systems like Git or SVN.
• Experience with unit testing frameworks like NUnit or MSTest.
• Understanding of cloud platforms (Azure, AWS) is a plus.
• Knowledge of API development and integration.
• Experience with security best practices and vulnerability mitigation techniques.
• Excellent communication and interpersonal skills.
• Ability to work independently and as part of a team.

Benefits:

We offer a competitive salary and benefits package, along with the opportunity to work on challenging and rewarding projects.

If you are a talented and passionate VB.NET developer with a proven track record of success, we encourage you to apply!

Full stack developer with the following skills:

• Fluent in T-SQL [Store Procedure, Triggers, Cursors]
• Basic Knowledge of ETL tools like SSIS or other related
• Able to perform front end development (HTML, JavaScript/TypeScript, Angular)
• Able to write C# code using .net core or .net framework
• Knowledge of Object-oriented programming
• Familiar with API development using .net core
• Knowledge of entity framework

• Proficient in .NET technology preferred (C#) & MS SQL WWF/WCF/WPF.
• Proficiency in.NET Framework & NET Technology preferred (C#) is necessary.
• Knowledge and working experience in MS SQL2008,2012,2014
• Good understanding of object-oriented programming (OOPs).
• Expertise in designing and working with MVC architecture is necessary.
• JQuery, AJAX, Bootstrap, Web API
• Knowledge of security implications of web applications and have experience designing secure
  web applications.
• Ability to document all development related activities.
• Provide support for all Technical requirements to include problem identification, reporting, analysis and resolution.
• To work independently on Entire Architecture Design.
• Priority will be given having Experience in third Party Integration.
• Proficient understanding of code versioning tools such as Git / Mercurial / SVN
• Azure certification(s) of any kind.
  
  

DESIRED PROFILE

• She/he should be enthusiastic in the job role and a good team player.
• Self-motivated with a passion to code and willing to meet aggressive timelines.
• Strong Logical ability thinking skills to meet Client Requirements in specified time.

JOB Description :

We are looking for a candidate who is dedicated and ready to take responsibility for work and interested to do work from home in this COVID duration(Freelancer full-time job).

 

2+ Years of experience in Microsoft .NET Technologies.

Strong knowledge of Database Design concepts.

Strong knowledge of Object-Oriented Programming concepts.

Knowledge of Design Patterns, and SOLID principles.

Must have experience with:

ASP.Net MVC, SQL, Entity Framework, LINQ, JQuery, WEB APIs, Dependency Injection, WCF services (Nice to have).

Must have experience with:

Database Design - Relations, Cardinality, Constraints, Indexes.

Database Data Manipulation - Select, Joins, Group By, Aggregate Functions, Subquery, Stored Procedures, Functions.

SSRS reports (Nice To have).

Writing Quality Code - Naming Conventions, Exception Handling, Logging, Reusability, OOP Concepts, SOLID principles.

Good to have knowledge of - HTML, CSS, Javascript/ jQuery/ KnockoutJS, AJAX.

Understanding of Agile methodology.

Highly developed analytical and problem-solving skills.

Excellent troubleshooting and communication skills.

About the Company:

Kratin LLC. is a leading innovation and design company focusing on healthcare. Kratin’s Unified Health Experience (UHX) platform is an award-winning solution for connecting dot across the care continuum with mobile and high tech solutions.