Sergiu Somfelean
Senior Software Engineer at Cognizant Softvision
Based in Cluj, Romania
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Seniority
Staff
Department
Information Technology
Location
Cluj
Industry
IT Services and IT Consulting
Company size
3K
Contact information
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Background
About Sergiu Somfelean
Senior.NET Software Developer | Technical Lead | Architecture & Modernization Senior.NET Software Developer and Technical Lead with 15+ years of experience designing, building, and modernizing complex enterprise systems. Strong background in architectural transformation, cloud migration, and high-performance distributed systems, with a proven ability to lead teams and modernize legacy platforms at scale. Expert in driving end-to-end modernization initiatives, including Monolith to Microservices.NET Framework to modern.NET (Core / 5 / 6 / 8), and cloud migrations from Azure to AWS. Recognized for improving system reliability, performance, and developer productivity in large, mission-critical environments. Core Competencies & Modernization Experience Architecture & Re-platforming: Monolithic to Microservices, legacy.NET to modern.NET (Core / 5 / 6 / 8) Cloud Migration: Azure to AWS, On-premise to Cloud-Native architectures Database Optimization & Migration: SQL Server to PostgreSQL, Microsoft Access to SQL/PostgreSQL Technical Leadership: Team leadership, mentoring, technical training, architectural governance, enterprise security definition Technical Stack Frameworks & Languages.NET (Core / Framework), C#, ASP.NET WebForms, MVC, WCF, Web API, Entity Framework Core, ADO.NET, SignalR Cloud & DevOps – AWS S3, SQS, RDS, Aurora, DynamoDB, CloudWatch Cloud & DevOps – Azure Azure DevOps (Pipelines), AKS (Kubernetes), Cosmos DB, Queue Storage, Azure AD, CDN Containerization & CI/CD Docker, Kubernetes, Jenkins, Drone, Vela, CapRover, Azure Pipelines, NuGet Server, JFrog Messaging & Caching RabbitMQ, Amazon SQS, MSMQ, Redis Databases & Data Platforms SQL Server, PostgreSQL, DynamoDB, Cosmos DB, Cloudera Impala Security & Testing Veracode, Checkmarx, Sysdig, AWS X-Ray, xUnit, Moq, AutoFixture, Selenium, Mantis Frontend Technologies JavaScript, jQuery, Bootstrap, HTML5, CSS (Sass / Less), JSON Tools & Collaboration Visual Studio, VS Code, LINQPad, Git, TFS, SVN, Jira, Confluence, Trello Industry Experience Healthcare: 4+ years Automotive: 4+ years Online Marketing: 3+ years Agriculture: 5+ years
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