Irvin Kivanesh Lechuga Castillo

Senior .NET Backend Engineer with 7+ years of experience designing, developing, and maintaining enterprise-grade applications using C#, ASP.NET, and SQL Server. Strong background in API development, legacy system modernization, and data-intensive systems. Proven ability to work independently in distributed remote teams delivering reliable software solutions for US-based clients.

Senior Software Engineer (.NET Backend) at Infosys (2024-03 – 2025-09)

• Developed and maintained backend services and integrations for enterprise clients.
• Implemented EDI integrations using IBM Sterling Integrator.
• Built backend components and custom modules for IBM Maximo (EAM).
• Collaborated with remote teams to troubleshoot production issues and deliver stable solutions.
• Translated business requirements into scalable technical implementations.

Software Developer (.NET) at Exigo (2023-06 – 2023-11)

• Maintained and enhanced a large-scale commissions system.
• Resolved production issues and customer tickets using Jira.
• Refactored backend components applying SOLID principles.

Software Engineer (.NET) at Persystem Systems (2021-08 – 2023-05)

• Designed and developed reports using SSRS.
• Created efficient stored procedures and SQL queries.
• Debugged and enhanced legacy systems across backend and database layers.

Middle .NET Full Stack Developer at Boz IT Development (2019-01 – 2021-12)

.NET Full Stack Web Developer at Max One (2018-01 – 2019-12)

Web Developer at Facturama (2017-01 – 2018-12)

B.S. in Computer Science – Universidad Autónoma de Aguascalientes (2018)

English Language Studies – Planet English Academy (2019)