Hi, I'm Olaff Velazquez, a Full-Stack Software Developer based in Holland, Michigan. I bring 7+ years of experience designing, modernizing, and optimizing scalable enterprise applications using C#, .NET, ASP.NET Web API, Angular, Kafka, SQL Server, PostgreSQL, Docker, and Azure. I have a track record of modernizing legacy systems and owning high-throughput Kafka microservices, improving reliability, and reducing production incidents through thorough unit and integration testing. I thrive in Agile/Scrum environments and collaborate closely with Product and Security teams. I enjoy building robust CI/CD pipelines, creating internal debugging tools, and delivering secure backend services and REST APIs. I am passionate about clean code, security compliance, and continuous learning.

Olaff Velazquez

Hi, I'm Olaff Velazquez, a Full-Stack Software Developer based in Holland, Michigan. I bring 7+ years of experience designing, modernizing, and optimizing scalable enterprise applications using C#, .NET, ASP.NET Web API, Angular, Kafka, SQL Server, PostgreSQL, Docker, and Azure. I have a track record of modernizing legacy systems and owning high-throughput Kafka microservices, improving reliability, and reducing production incidents through thorough unit and integration testing. I thrive in Agile/Scrum environments and collaborate closely with Product and Security teams. I enjoy building robust CI/CD pipelines, creating internal debugging tools, and delivering secure backend services and REST APIs. I am passionate about clean code, security compliance, and continuous learning.

Available to hire

Hi, I’m Olaff Velazquez, a Full-Stack Software Developer based in Holland, Michigan. I bring 7+ years of experience designing, modernizing, and optimizing scalable enterprise applications using C#, .NET, ASP.NET Web API, Angular, Kafka, SQL Server, PostgreSQL, Docker, and Azure. I have a track record of modernizing legacy systems and owning high-throughput Kafka microservices, improving reliability, and reducing production incidents through thorough unit and integration testing.

I thrive in Agile/Scrum environments and collaborate closely with Product and Security teams. I enjoy building robust CI/CD pipelines, creating internal debugging tools, and delivering secure backend services and REST APIs. I am passionate about clean code, security compliance, and continuous learning.

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Experience Level

Expert
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Expert
Expert
Expert
Expert
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Expert
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Language

Spanish; Castilian
Fluent
English
Advanced

Work Experience

Full-Stack Software Developer at Enhesa
September 1, 2022 - December 1, 2025
Contributed to modernizing legacy systems and integrating multiple platforms after the RegScan acquisition (RegScan → Phoenix → RBMD → FLEX). Owned the RBMD.JOB Kafka processing microservice, optimized performance, and built internal debugging tools. Supported Angular UI development from Figma designs and ensured secure backend communications compliant with internal security standards.
Jr. Full Stack Developer - Java, C#.NET at Technological University of Tecámac
September 1, 2017 - September 1, 2018
Worked as a Full-Stack Developer on a distributed university system, building data integration between Java and .NET backends, creating endpoints between frontend Angular UI and Back-end Web API, and supporting centralized reporting across campuses.
Sr. Programmer/Data Warehousing at CA-Microsystems
September 1, 2016 - September 1, 2018
Developed ETL processes to extract, transform, and load data from ERP systems for electronic accounting and tax calculation. Built backend components using C#/.NET and SQL Server, connected with Dynamics, Oracle, and SAP, and produced reports via Crystal Reports. Collaborated in an Agile/Scrum environment and maintained project documentation.

Education

Information and Communication Technology Engineer at Technological University of Tecamac
January 11, 2030 - February 2, 2026

Qualifications

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Industry Experience

Software & Internet, Professional Services, Education