Dot Net Fullstack Developer

Citiustech; Mumbai, Pune District, Chennai; Hybrid; INR 2,600,000 - 3,600,000; Full time

Job summary

CitiusTech Inc. is seeking a seasoned software engineer with 7+ years of hands-on experience in C#, .NET Core (.NET 6+), ASP.NET Core, Web APIs, and React. You will design and implement microservices, integrate AWS services, and work with EF Core, SQL Server, PostgreSQL, and CosmosDB.

Strong skills in RESTful APIs, JavaScript/TypeScript, and modern front-end development are essential. You will collaborate with onshore/offshore teams, participate in Scrum ceremonies, mentor juniors, and

Qualifications

• 7+ years of software development with C#, .NET Core/.NET 6+, and React.
• Hands-on AWS with Lambda, Step Functions, SAM.
• EF Core, LINQ, SQL Server, PostgreSQL, CosmosDB/MongoDB knowledge.
• Experience building and consuming RESTful APIs and integrating third-party services.
• Proficient in JavaScript/TypeScript, React, HTML5, CSS3, and modern web app dev.
• Strong understanding of OOD, design patterns, DI, and IoC.
• Git/GitHub, Visual Studio, NuGet, CI/CD, Agile/Scrum experience.
• Unit testing with xUnit/NUnit/Moq, TDD, debugging, performance tuning.
• Collaborate with onshore/offshore teams and participate in Scrum ceremonies.
• Healthcare domain experience with FHIR, X12, HL7, HIPAA is a plus.

Skills

C# and .NET

ASP.NET Core

Web APIs

Microservices

React

AWS

EF Core

SQL Server

PostgreSQL

CosmosDB

RESTful APIs

JavaScript

TypeScript

HTML/CSS/JS

OOD & Design Patterns

DI & IoC

Git/GitHub

CI/CD

Unit Testing

TDD

Scrum/Agile

FHIR/HL7/HIPAA

Tools

Visual Studio

NuGet

SAM (Serverless)

Job description

• 7+ years of experience in software development with strong expertise in C#, .NET Core (.NET 6+), ASP.NET Core, Web APIs, Microservices, and React.
• Hands-on experience with AWS services such as Lambda, Step Functions, and Serverless Application Model (SAM).
• Strong knowledge of Entity Framework Core, LINQ, SQL Server, PostgreSQL, CosmosDB/MongoDB, and database design.
• Experience developing and consuming RESTful APIs, web services, and integrating third-party systems.
• Proficient in JavaScript, TypeScript, React, HTML5, CSS3, jQuery, JSON, AJAX, and modern web application development.
• Good understanding of Object-Oriented Design (OOD), Design Patterns, Dependency Injection, and IoC principles.
• Experience with Git/GitHub, Visual Studio, NuGet, CI/CD pipelines, Agile/Scrum methodologies, and code reviews.
• Strong experience in unit testing (xUnit, NUnit, Moq), TDD, debugging, and performance optimization.
• Responsible for developing new features, enhancing existing applications, and supporting product modernization/re-engineering initiatives.
• Collaborate with onshore/offshore teams, participate in Scrum ceremonies, and provide production support and root cause analysis.
• Mentor junior developers and contribute to best practices, automation, and continuous improvement activities.
• Healthcare domain experience with FHIR, X12, HL7, HIPAA, Patient Accounting, Revenue Cycle, and IT integrations is an added advantage.