.NET Back End Developer

3i Infotech Limited; Mumbai Suburban; Presencial; INR 900.000 - 1.800.000; Jornada completa

Descripción de la vacante

3i Infotech Limited in Mumbai seeks a skilled ASP.NET Core developer to design, build, and maintain scalable web applications using C#. You will work with REST APIs, microservices, and secure authentication schemes like JWT/OAuth while mentoring junior engineers.

Responsibilities include performance tuning, database design, CI/CD, documentation, and collaboration with UI/QA/BA teams to deliver robust solutions in a fast-paced fintech-friendly environment.

Formación

• Bachelor's degree in Computer Science, IT, or related field required.
• Strong experience with C# and ASP.NET Core, building RESTful APIs and microservices.
• Solid knowledge of SQL databases (SQL Server, PostgreSQL) and ORM usage (EF Core, Dapper, ADO.NET).
• Familiarity with SOLID, design patterns, and clean architecture; CI/CD and cloud familiarity a plus.

Responsabilidades

• Design, develop, and maintain scalable web applications using ASP.NET Core and C#.
• Develop and consume RESTful APIs, Web APIs, and microservices.
• Write clean, reusable, and maintainable code following best practices.
• Optimize application performance and troubleshoot production issues.
• Design and optimize SQL queries, stored procedures, and database objects.
• Integrate third-party APIs and payment gateways.
• Collaborate with UI/UX designers, QA engineers, and business analysts.
• Participate in code reviews and mentor junior developers.
• Implement authentication and authorization using JWT, OAuth, or Identity.
• Ensure application security, logging, monitoring, and error handling.
• Work with Git for source code management and CI/CD pipelines.
• Prepare technical documentation and deployment guides.

Conocimientos

C#

ASP.NET Core

ASP.NET MVC

Web API

Entity Framework Core

Dapper

ADO.NET

SQL Server

PostgreSQL

LINQ

Asynchronous programming

Dependency injection

Microservices Architecture

JWT Authentication

OAuth

Identity

Git

Azure DevOps

GitHub

Docker

Redis

Hangfire/Worker Services

SOLID

Design Patterns

Clean Architecture

Swagger/OpenAPI

Debugging/Performance

Educación

Bachelor's degree in Computer Science, IT, or related field

Herramientas

Docker

Git

Azure DevOps

GitHub

Swagger/OpenAPI

Kubernetes

Descripción del empleo

Key Responsibilities

• Design, develop, and maintain scalable web applications using ASP.NET Core and C#.
• Develop and consume RESTful APIs, Web APIs, and microservices.
• Write clean, reusable, and maintainable code following best practices.
• Optimize application performance and troubleshoot production issues.
• Design and optimize SQL queries, stored procedures, and database objects.
• Integrate third-party APIs and payment gateways.
• Collaborate with UI/UX designers, QA engineers, and business analysts.
• Participate in code reviews and mentor junior developers.
• Implement authentication and authorization using JWT, OAuth, or Identity.
• Ensure application security, logging, monitoring, and error handling.
• Work with Git for source code management and CI/CD pipelines.
• Prepare technical documentation and deployment guides.

Required Skills

• Experience in C# and ASP.NET Core (.NET 6/7/8).
• Strong knowledge of ASP.NET MVC and Web API.
• Experience with Entity Framework Core, Dapper, or ADO.NET.
• Strong SQL knowledge with SQL Server and/or PostgreSQL.
• Experience with LINQ, asynchronous programming, and dependency injection.
• Good understanding of Microservices Architecture.
• Experience with JWT Authentication, OAuth, and Identity.
• Hands-on experience with Git, Azure DevOps, or GitHub.
• Knowledge of Docker and containerized deployments is an advantage.
• Experience with Redis, caching, and background services (Hangfire/Worker Services) is preferred.
• Understanding of SOLID principles, Design Patterns, and Clean Architecture.
• Familiarity with Swagger/OpenAPI documentation.
• Strong debugging and performance optimization skills.

Frontend Skills (Preferred)

• HTML5, CSS3, Bootstrap
• JavaScript, jQuery
• React.js or Angular (preferred)
• AJAX and JSON

Preferred Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• Experience with Azure or AWS is an added advantage.
• Experience working in Agile/Scrum environments.
• Knowledge of financial, banking, or fintech applications is a plus.

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and teamwork skills.
• Ability to work independently and manage multiple tasks.
• Willingness to learn new technologies and mentor team members.

Nice to Have

• Experience with Microservices and API Gateway.
• Message queues (RabbitMQ/Kafka).
• Unit Testing (xUnit/NUnit/MSTest).
• CI/CD pipelines.
• Kubernetes knowledge.
• Elasticsearch, Serilog, or Application Insights.
• Experience with high-volume, scalable enterprise applications.