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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.…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

Web Developer, Back-End Developer, Full Stack Developer, +6

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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.…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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

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.