Sr. Software Engineer


  • Nelson is a seasoned high-performance professional with 10+ years of strong software engineering and leadership experience.
  • Passionate about Big Data, Business Intelligence (BI), Web Development & Cloud highly scalable & highly available services
  • Always excited to rapidly ramp-up & learn new skills and technologies.
  • Definitely looking for interesting opportunities to skills, passion and agility to provide direct innovation and value to customers.
  • Startup/Hackathon cultures are always welcome!


  • 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

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