Rowell Belen

Principal Software Engineer @ Veho


Office Hours

How does this work?

I am a dynamic software engineer with more than a decade of experience designing, architecting, and developing resilient software applications. I have worked on essentially every software development stack - from desktop and mobile, to front-end web and server-side applications. I have a proven track record of building complete products and shipping mission-critical software in diverse startup and enterprise environments.

Ask me about
Business Intelligence
Data Engineering
Distributed Systems
Work experience

Feb 2021 - Present


Principal Software Engineer

Like most technical leaders at early-stage startups, I wear many different hats. I play the role of a hiring manager, I do a little bit of product management, etc. In addition, I help advance the engineering roadmap, drive engineering projects from problem statements to production releases to long-term operations and maintenance. I specifically focus on architecting and developing scalable systems that will become the backbone of the products and services we build. These systems can range from the data processing pipelines that power our new internal analytics platform to the contact center application used by our customer support team. Because we're still a small team, I am still very much involved in implementation, not just the high-level design. So I'm writing a lot of code, building things, and steering the technical direction and choices we make.


Sep 2019 - Jan 2021

Serverless Inc.

Senior Platform Engineer

Build tools and services that enable developers accelerate business value with Serverless technologies. Tech Stack: NodeJS, TypeScript, GoLang, Elastic Search, Amazon Web Services


Sep 2018 - Sep 2019


Senior Platform Engineer

Build the next generation Serverless platform for Machine Learning and Artificial Intelligence. Tech Stack: Scala, Rust, Python, Kubernetes, Docker, AWS, Azure, GCP, Terraform


Mar 2017 - Aug 2018


Senior Platform Engineer

Design, architect and build Stedi's modern platform from the ground up to make EDI fast, efficient, and painless. ➢ Architect & design Stedi's event-driven Serverless Microservice Platform architecture ➢ Create, configure & manage Stedi's DevOps infrastructure ➢ Develop standardized Serverless Microservice templates to streamline creation and deployment of platform services ➢ Implement declarative, configuration-based document mapping engine ➢ Design Stedi's third party Integration Platform ➢ Build common internal APIs, SDKs and Libraries ➢ Develop Stedi's Flow Orchestration Engine using AWS Step Functions and composable Lambda functions Tech Stack: Java, Groovy, Kotlin, Clojure, Serverless Framework, Amazon Web Services


Jan 2016 - Mar 2017


Platform Engineer

➢ Develop Energy Intelligence software products and tools ➢ Design and build Serverless REST APIs for the MyHome mobile application ➢ Implement scalable intelligent software services that enable utilities to optimize system operations and reduce costs while maintaining customer comfort (Orchestrated Energy) ➢ Tendril 2016 Hackathon Executive Award Winner (Energy Intelligence On-Demand) Tech Stack: Java, Groovy, Mesos, Docker, AWS

Jan 2012 - Jan 2016

Pentaho, A Hitachi Data Systems Company

Senior Software Engineer

➢ Responsible for new product development, feature enhancement & maintenance of the Pentaho Business Analytics software suite ➢ Develop and maintain an intuitive, drag-and-drop web-based reporting tool for creating and formatting Business Intelligence reports (Pentaho Interactive Reporting) ➢ Implement new features and enhancements to a web-based management system for users, repositories, licenses, datasources, reports and data integration jobs (Pentaho User Console) ➢ Develop and support a desktop based application aimed to reduce the time required for data analysts to discover, visualize and explore diverse data (Pentaho Instaview) ➢ Build tools and plugins for the Pentaho Data Integration product to enable Ad-hoc ETL refinery composed of a series of jobs that take raw data, augment and blend it, automatically build a dimensional model, and then publish the analytics model for report designers to use in the Pentaho Analyzer web application


May 2005 - Dec 2011

Kemper Corporation

Application Development Lead

➢ Migrate monolith legacy Enterprise applications to Service-Oriented based applications ➢ Migrate the Intranet from proprietary a CMS (Lotus Notes) product to an open-source solution (Drupal & Liferay Portal) ➢ Integrate, implement, design and test Enterprise services and web applications ➢ Lead Proof of Concept / Research & Development projects ➢ Train and mentor team members and junior developers ➢ Manage project plans, milestones, deliverables and development resources

Feb 2004 - May 2005


Systems Engineer Intern

➢ Microsoft Systems and Network Administration ➢ Microsoft Access Database Programming and Maintenance ➢ Resolve various software and hardware problems throughout the brewery Visual Basic for Applications and VBScript Programming ➢ Develop an inventory tracking system for warehouse devices

Jan 2005 - Feb 2005

National Football League

Information Technology Intern

➢ Systems and Network administration ➢ Install, configure and deploy applications, computers, printers, and other network devices Provide help desk support to NFL staff and business partners ➢ Maintain and troubleshoot wireless networks

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