I’m a Senior Software Engineer with over 20 years of experience. I specialize in web application architecture and development as well as SQL database design. Most recently I’ve been building APIs with Node.js Express and front-ends with React & Vue. I have experience with a wide variety of tools and technologies. I’m always interested in learning new things and contributing my skills to drive project success.

Sam McCallum

I’m a Senior Software Engineer with over 20 years of experience. I specialize in web application architecture and development as well as SQL database design. Most recently I’ve been building APIs with Node.js Express and front-ends with React & Vue. I have experience with a wide variety of tools and technologies. I’m always interested in learning new things and contributing my skills to drive project success.

Available to hire

I’m a Senior Software Engineer with over 20 years of experience. I specialize in web application architecture and development as well as SQL database design. Most recently I’ve been building APIs with Node.js Express and front-ends with React & Vue. I have experience with a wide variety of tools and technologies. I’m always interested in learning new things and contributing my skills to drive project success.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Senior Front-End Engineer at Five9, Inc
April 1, 2025 - September 22, 2025
I was brought on to Five9 to help develop their initial SaaS web application product. The success of the products I worked on allowed the company to grow from scaling to enterprise level. I worked closely with key stakeholders using an iterative, agile approach to plan and deliver high quality customer-facing products and features on a continuous basis.
Senior Full-Stack Engineer at Codero Hosting
April 1, 2013 - September 22, 2025
At Codero I designed databases, APIs and UIs for the customer-facing serverportal.com control panel. I led the development of the in-house inventory system used in the data centers to track server components. I developed auto-provisioning pipelines and tooling that provision customer orders and upgrades to their servers.

Education

Certificate in Cyber Security at University of Maryland
January 1, 2016 - January 1, 2016
Associates of Science in CS at Whatcom Community College
January 11, 2030 - September 22, 2025
High School Diploma at Port Townsend High
January 11, 2030 - September 22, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services