Senior C# .NET Developer – Azure Cloud & Banking Equity

Nimber; Almada; On-site; EUR 55,000 - 75,000; Full time

Job summary

Rumos in Portugal is seeking a senior C# .NET developer to join a multi‑disciplinary team migrating banking applications to Azure. You will design robust solutions, applying CQRS, DDD, TDD, and Clean Code practices to ensure scalability and reliability.

The role requires 6+ years of C# experience, solid SQL Server skills, and fluency in Portuguese and English, plus strong collaboration in Agile projects. Join a team of professionals with opportunities to advance technical skills and participate

Qualifications

• Higher education degree in Engineering or Information Technology.
• 6+ years of experience in C# .NET development.
• Experience with C# .NET Framework (4.8 or above) and .NET Core 8.
• Proficiency in CQRS and DDD.
• Solid knowledge of Dapper and EF Core.
• Experience with GIT and Gitflow.
• Advanced knowledge of SQL Server and Azure SQL Managed Instance.
• Knowledge of Azure Cloud, namely Azure SQL Database, Azure Pipelines, Azure Repos, Azure Blob Storage, App Service and App Configuration.
• Familiarity with AzureDevOps, Jira and Confluence.
• Fluency in Portuguese and English.
• Excellent oral and written communication skills.
• Good ability to work as part of a team.

Responsibilities

• Team composed of several C# .NET developers, a Tech Lead, a QA Engineer and a Product Owner.
• Participation in development in an Agile environment and in the processes of transitioning applications to the Azure cloud.
• Development of solutions taking into consideration the specific requirements and constraints of the banking sector.
• Application of good development practices, namely Software Craftsmanship, Clean Code, TDD and automation, with a focus on scalability and reliability.
• Collaboration with different specialists, namely an Agile Coach, Azure Architect and DBA.
• Participation in and/or leading knowledge-sharing conferences and collaboration in the recruitment of new talent.

Skills

C# .NET development

Software lifecycle

CQRS

DDD

Teamwork

English-Portuguese bilingual

Education

Bachelor's degree in Engineering or Information Technology

Tools

C# .NET Framework 4.8+

NET Core 8

Dapper

EF Core

Git

Gitflow

SQL Server

Azure SQL Managed Instance

Azure SQL Database

Azure Pipelines

Azure Repos

Azure Blob Storage

App Service

App Configuration

AzureDevOps

Jira

Confluence

Job description

Rumos in Portugal is seeking a senior C# .NET developer to join a multi‑disciplinary team migrating banking applications to Azure. You will design robust solutions, applying CQRS, DDD, TDD, and Clean Code practices to ensure scalability and reliability.

The role requires 6+ years of C# experience, solid SQL Server skills, and fluency in Portuguese and English, plus strong collaboration in Agile projects. Join a team of professionals with opportunities to advance technical skills and participate