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Hi, I’m Ionut Lungu, a Senior Backend Software Engineer with 15+ years of experience building .NET and Azure-based systems, microservices, and distributed platforms. I focus on modernizing legacy solutions, improving scalability, and delivering cloud-native backend architecture. I enjoy designing robust architectures, leading backend initiatives, and collaborating with product and data teams to drive interoperable and secure software solutions that scale with business needs.…Hi, I’m Ionut Lungu, a Senior Backend Software Engineer with 15+ years of experience building .NET and Azure-based systems, microservices, and distributed platforms. I focus on modernizing legacy solutions, improving scalability, and delivering cloud-native backend architecture. I enjoy designing robust architectures, leading backend initiatives, and collaborating with product and data teams to drive interoperable and secure software solutions that scale with business needs.

Ionut Lungu

Web Developer, Programmer, Full Stack Developer, +2

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Hi, I’m Ionut Lungu, a Senior Backend Software Engineer with 15+ years of experience building .NET and Azure-based systems, microservices, and distributed platforms. I focus on modernizing legacy solutions, improving scalability, and delivering cloud-native backend architecture. I enjoy designing robust architectures, leading backend initiatives, and collaborating with product and data teams to drive interoperable and secure software solutions that scale with business needs.…Hi, I’m Ionut Lungu, a Senior Backend Software Engineer with 15+ years of experience building .NET and Azure-based systems, microservices, and distributed platforms. I focus on modernizing legacy solutions, improving scalability, and delivering cloud-native backend architecture. I enjoy designing robust architectures, leading backend initiatives, and collaborating with product and data teams to drive interoperable and secure software solutions that scale with business needs.

Available to hire

Hi, I’m Ionut Lungu, a Senior Backend Software Engineer with 15+ years of experience building .NET and Azure-based systems, microservices, and distributed platforms. I focus on modernizing legacy solutions, improving scalability, and delivering cloud-native backend architecture.

I enjoy designing robust architectures, leading backend initiatives, and collaborating with product and data teams to drive interoperable and secure software solutions that scale with business needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Software Developer at VNext

January 1, 2021 - Present

Senior backend-focused role including designing Azure Functions with .NET Core using Clean Architecture, migrating legacy .NET Framework solutions to Azure Functions and .NET Core, implementing secure infrastructure with Azure Key Vault and App Configuration, and building data transfer solutions with Azure Data Factory and Slack slash commands. Also involved in creating Azure infrastructure with Bicep/Terraform, refactoring legacy code (with Copilot assistance), and contributing to cloud-native architecture. Key projects included the Insurance Platform (Greenfield) and the Accounting Platform (Microservices Migration), plus various platform improvements and data integration tasks.

Software Developer at Channelsight

January 1, 2017 - January 1, 2021

Designed and developed ETL pipelines with Azure Durable Functions and Clean Architecture for backend data processing. Persisted data into SQL Server and CosmosDB. Used Azure Cognitive Services for fuzzy text search to match descriptions. Contributed to a business intelligence platform integrating eCommerce and retail data, and maintained ASP.NET MVC and Web API applications. Participated in Agile processes and sprint planning.

Software Developer at Dynamic Ventures INT

January 1, 2007 - January 1, 2017

Custom software development, building integrations with QuickBooks and Salesforce using the .NET stack and SQL Server. Developed payment and financial system integrations and delivered multiple client-specific enterprise applications. Designed CountThings Platform backend for a machine learning-based counting solution and a client/license management portal, including PayPal payment integration.