The Senior Software Developer is responsible for the design, development, maintenance, and

modernization of enterprise business applications. This role supports both legacy and next-generation

systems, working across the full technology stack including backend development, frontend

implementation, database management, and cloud-based solutions.

The position involves maintaining existing applications built using C#, ASP.NET MVC, Razor (CSHTML),

jQuery, DataTables, and SQL Server, while contributing to the development of modern cloud-native

solutions utilizing the latest .NET technologies, Vue.js, Azure Cloud Services, and Azure-hosted SQL

Job Responsibilities

KEY RESPONSIBILITIES

Legacy Application Development & Support

Design, develop, maintain, and enhance enterprise applications built on ASP.NET MVC and C#.

Troubleshoot and resolve application defects, performance issues, and production incidents.

Refactor and improve legacy code to enhance maintainability and performance.

Collaborate with business teams to implement new features and enhancements.

Database Development

Design, develop, and maintain Microsoft SQL Server databases.

Create and optimize stored procedures, views, functions, and queries.

Analyse and improve database performance through indexing and query optimization.

Ensure data integrity, security, and reliability across enterprise systems.

Modern Application Development

Develop cloud-based applications using modern C# and .NET technologies.

Build responsive and maintainable frontend applications using Vue.js.

Design and implement RESTful APIs and backend services.





Contribute to scalable and maintainable application architecture following modern development practices.

Participate in the migration of applications and services from on-premises infrastructure to Microsoft Azure.

Develop and maintain Azure-hosted services and databases.

Support cloud deployment, configuration, monitoring, and optimization activities.

Assist in defining and implementing cloud architecture standards and best practices.

Software Quality & Collaboration

Participate in code reviews and promote coding standards and best practices.

Collaborate with cross-functional teams including business analysts, stakeholders, and QA personnel.

Produce technical documentation and system design documentation.

Support Agile development processes including sprint planning, estimation, and retrospectives.

Legacy Application Development & Support

Design, develop, maintain, and enhance enterprise applications built on ASP.NET MVC and C#.

Troubleshoot and resolve application defects, performance issues, and production incidents.

Refactor and improve legacy code to enhance maintainability and performance.

Collaborate with business teams to implement new features and enhancements.

Database Development

Design, develop, and maintain Microsoft SQL Server databases.





Create and optimize stored procedures, views, functions, and queries.

Analyze and improve database performance through indexing and query optimization.

Ensure data integrity, security, and reliability across enterprise systems.

Modern Application Development

Develop cloud-based applications using modern C# and .NET technologies.

Build responsive and maintainable frontend applications using Vue.js.

Design and implement RESTful APIs and backend services.

Contribute to scalable and maintainable application architecture following modern development practices.

Participate in the migration of applications and services from on-premises infrastructure to Microsoft Azure.

Develop and maintain Azure-hosted services and databases.

Support cloud deployment, configuration, monitoring, and optimization activities.

Assist in defining and implementing cloud architecture standards and best practices.

Software Quality & Collaboration

Participate in code reviews and promote coding standards and best practices.

Collaborate with cross-functional teams including business analysts, stakeholders, and QA personnel.

Produce technical documentation and system design documentation.

Support Agile development processes including sprint planning, estimation, and retrospectives.

KNOWLEDGE & EXPERIENCE

C#

Razor (CSHTML)

jQuery

DataTables

Microsoft SQL Server

T-SQL

Git Source Control

Preferred

Vue.js

REST API Design

Entity Framework

Cloud-Native Application Development

EDUCATION & CERTIFICATIONS

Bachelor's degree in Computer Science, I

📌 Senior .Net Developer (Argentina)
🏢 Hitachi Digital
📍 Argentina