# Roger Membreno

> Senior Software Engineer

Location: Mountain View, California, United States
Profile: https://flows.cv/rogermembreno

Experienced Senior Software Engineer with a demonstrated history of working in the computer software industry. Skilled in Java Enterprise Edition, Node.js, Cloud Computing, XML, Tomcat, JSON + REST, AWS/Opsworks management and scripting, and deep domain knowledge of FTP/FTPS/SFTP. Strong engineering professional with a Bachelor of Science (B.S.) focused in Computer Science/Engineering from University of California, Davis.

## Work Experience
### Full Stack Engineer @ Venture Backed Stealth Startup
Jan 2024 – Present

### Senior Software Engineer, Backend @ Celigo, Inc
Jan 2015 – Jan 2024 | San Mateo County, California, United States
Technological Contributions

●	Designed and implemented key backend services and components for the iPaaS integrator.io (including: File and Database Connectors, core platform enhancements, Webhook listeners, etc) using Node.js, MongoDB, and AWS services like EC2 and S3; supporting over 300 million records per day at peak and rising.
●	Designed and implemented internal APIs built over microservices using multiple tech stacks in both Node.js and Java on multiple cloud providers to supplement the core functionality of integrator.io that were scalable and fault-tolerant 
●	Worked with the DevOps team to design and develop a set of server configuration scripts using Chef 12 and Ruby modules to enable rapid server deployment and scaling across all of our microservices automatically.
●	Designed and implemented an enhancement for processing files in batches using Java’s Concurrent Package and Streams API that decreased total runtime by over 90%.
●	Was a lead engineer on the initiative to upgrade our current tech stacks from monolith servers to Docker containers running on Kubernetes to improve platform stability, lower costs, and improve throughput
●	Interfaced with teams around the world across multiple disciplines, including Product Management, UI/UX, and Customer Support to achieve product development milestones and solve customer issues
●	Reviewed system security and made necessary upgrades to meet industry and legal standards for accessing sensitive data, such as financial transactions and health records.

### Integration Engineer/Senior Integration Engineer @ Celigo, Inc
Jan 2011 – Jan 2015 | San Mateo County, California, United States
●	Designed and implemented connectors to multiple eTail sites (Amazon, Rakuten, etc) that synchronized data between the webstores and NetSuite and ran natively in JavaScript for a wide variety of customers.
●	Worked with a cross-functional team to design and develop enhancements for the Magento eCommerce server to enhance the platform’s API and support our new product offerings.

### Technical Consultant @ Celigo, Inc
Jan 2008 – Jan 2011 | SF Bay Area, California, USA
●	Designed and implemented applications and business logic that interfaced with the NetSuite CRM/ERP system over SuiteTalk (a SOAP Web Service made with Java) and SuiteScript (a JavaScript variant running on Rhino) APIs for record management and data integrations.
●	Collected common customizations and business logic into Celigo’s first Integration Products that could be re-sold and implemented quickly, and were an integral part of revenue growth in the early days.
●	Mentored and onboarded new engineers as the company grew from under a dozen employees to hundreds worldwide.

### Software Engineer @ Trapeze Networks
Jan 2006 – Jan 2008


## Education
### Bachelor of Science (B.S.) in Computer Science/Engineering
University of California, Davis


## Contact & Social
- LinkedIn: https://linkedin.com/in/roger-membreno-3115847

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Source: https://flows.cv/rogermembreno
JSON Resume: https://flows.cv/rogermembreno/resume.json
Last updated: 2026-04-05