Sr. Software Engineer


  • Nelson is a seasoned high-performance professional with 15+ years of strong design, software engineering & leadership experience in both the technical and business side.
    He has hands on GraphQL, big data, data science and REST web service and web design skillsets using Node JS, Python and ASP.NET on premise and in cloud services like AWS & Azure.


  • Architected and leaded the development of a Data Graph API which
    • Significantly improved the REST API call latency from a worst of 30 seconds to a worst of < 600 ms
    • Provided model that allowed faster development cycles and lower code footprint.
  • Developed service health reporting for Windows Azure Active Directory synchronization services.
  • Developed Exchange Online Storage service big data pipeline for reporting and DevOps forensics.
  • Delivered new big data behavioral targeting segments for display and email ads for Bing, Hotmail and Live Messenger marketing teams
  • As Program Manage I leaded the solution that saved $3.7 Million/year optimizing Search Engine Marketing budget for Bing Search Cashback online campaign.


  • B.S. in Computer Engineering [CS + EE] + Project Manager Certificate @ University of Puerto Rico – Mayaguez, PR 1999-2005
  • Certifications: Project+, Technical Trainer, Project+, MCP



TypeScript, Python, C#, SQL, ASP.NET, YAML, JavaScript, Castle Windsor, PowerShell, Java, XSLT, XML, JSON, NHibernate, Kafka. Go

Database & Business Intelligence

SQL, Data Warehouse, Stored Procedures (SPROC), Triggers, Full Text Search, OLAP Cubes, SSRS Reports, Crystal Reports, SSIS, NHibernate, Entity Framework.

Web Application & Web Service

RESTful  web services, OAuth, Swagger, YAML, ASP.NET, AngularJS, Bootstrap, Telerik RadControls, Java Servlets, OData, Node


Forefront Identity Manager(FIM), Identity Lifecycle Management (ILM), Active Directory Schema, Team Foundation Server (TFS), MSBuild