Senior Engineer – .NET, Azure

This is a fully remote position, open to applicants in Portugal.

📋 Description

• Design, develop, test, and maintain applications utilizing C# and the .NET Framework.

• Implement enhancements and fixes across ASP.NET MVC, Web API, Windows Services, WCF, messaging, database, and integration components.

• Assist in the ongoing transition of systems and workloads to Microsoft Azure.

• Contribute to architectural and technical decisions regarding cloud migration, application modernization, observability, scalability, and resilience.

• Collaborate with RavenDB, SQL Server, Redis, MSMQ, and custom data replication processes.

• Create and sustain integrations with third-party systems, including ERP platforms, SFTP/FTP feeds, email ingestion services, and SOAP APIs.

• Support document processing and OCR workflows using LEADTOOLS and Azure Document Intelligence.

• Enhance automated test coverage across unit, integration, end-to-end, regression, and performance testing.

• Maintain and extend test suites with NUnit, Selenium, SpecFlow, and Playwright.

• Diagnose production issues through application logs, telemetry, performance monitoring, and distributed system analysis.

• Contribute to Azure DevOps repositories, build pipelines, deployment processes, and internal NuGet packages.

• Collaborate closely with developers, testers, product stakeholders, and operational teams to implement changes safely and efficiently.

• Review existing code, identify technical risks, and suggest practical improvements.

• Utilize AI-assisted development tools effectively to speed up analysis, implementation, testing, documentation, and troubleshooting while ensuring high engineering quality.

• Produce clear technical documentation and proactively communicate progress, risks, and dependencies.

• Provision and configure production-like environments in Azure, including compute, networking, and the RavenDB/SQL Server/Redis/MSMQ tiers, to facilitate performance testing, load reproduction, and lift-and-shift piloting.

⛳️ Requirements

• Strong commercial experience in developing applications using C# and the .NET Framework.

• Significant experience with Microsoft Azure and cloud migration projects.

• Proficiency in working with ASP.NET MVC 5 and ASP.NET Web API 2.

• Experience in developing or supporting Windows Services.

• Strong understanding of enterprise application architecture, distributed systems, and integration patterns.

• Experience with automated testing, including end-to-end or acceptance testing.

• Hands-on experience with NUnit, Selenium, SpecFlow, or Playwright.

• Solid SQL skills and commercial experience with Microsoft SQL Server.

• Familiarity with document databases or NoSQL platforms; experience with RavenDB is highly desirable.

• Experience with messaging technologies such as MSMQ or similar asynchronous messaging platforms.

• Proven ability to diagnose production defects and performance issues in complex systems.

• Knowledge of CI/CD processes utilizing Azure DevOps, MSBuild, or VSBuild.

• Ability to work effectively with an established codebase that includes both legacy and modern components.

• Capability to become productive quickly with minimal supervision.

• Strong problem-solving, debugging, and analytical abilities.

• Excellent written and verbal communication skills.

• A pragmatic, delivery-focused mindset with strong attention to quality.

• Highly desirable experience includes:

• RavenDB 6.x, encompassing:

• Document modeling

• Per-customer database architectures

• Lucene indexing

• Query and index performance optimization

🏝️ Benefits

• Competitive salary and comprehensive benefits package.

• Opportunities for professional growth and development.

• Flexible work arrangements and a supportive work environment.