Founder. Product Engineer. Builder of High-Leverage Systems.
I’m Kevin Isaac — founder of Zephony, where I led product and engineering to scale a B2B SaaS platform to 10K+ users. I bring a unique blend of product thinking and technical execution to ship 0→1 products, optimize for growth, and solve business-critical problems at speed.
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Ut enim ad minima veniam, quis nostrum exercitationem ullam
John Smith
John Smith
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John Smith
Quis autem vel eum iure repreh qui in ea voluptate velit esse quam
John Smith
Talent City
The modern training agency platform that has generated over €4 million in revenue. We built everything from appointments management to payment tracking in one platform.
Usability
85%
User Retention
70%
Talent City
The modern training agency platform that has generated over €4 million in revenue. We built everything from appointments management to payment tracking in one platform.
Engagement
122 downloads
User Satisfaction
4.5*
Sunassist
The Booking platform SaaS built for a leading Australian volunteer organization. Some of the features include booking management, recurring events (like in Google Calendar), SaaS functionalities, vehicles/clients/volunteers management, advanced reports, integrations with government portals, etc.
Usability
85%
User Retention
70%
Sunassist
The Booking platform SaaS built for a leading Australian volunteer organization. Some of the features include booking management, recurring events (like in Google Calendar), SaaS functionalities, vehicles/clients/volunteers management, advanced reports, integrations with government portals, etc.
Engagement
150%
User Satisfaction
4.5*
Skills
Skills
SQL
SQL
SQL
Server Side
Server Side
Server Side
HTML
HTML
HTML
CSS
CSS
CSS
Application Development
Application Development
Application Development
Front-End Development
Front-End Development
Front-End Development
Programming
Programming
Programming
React.js
React.js
React.js
Python (Programming Language)
Python (Programming Language)
Python (Programming Language)
Mobile Applications
Mobile Applications
Mobile Applications
TypeScript
TypeScript
TypeScript
Software Engineers
Software Engineers
Software Engineers
Git
Git
Git
Leadership
Leadership
Leadership
Communication
Communication
Communication
Startups
Startups
Startups
Databases
Databases
Databases
Software Development
Software Development
Software Development
REST APIs
Next.js
Next.js
Next.js
User Experience Design (UED)
User Experience Design (UED)
User Experience Design (UED)
Software Architecture
Leading Development Teams
Leading Development Teams
Leading Development Teams
Technical Architecture
Technical Architecture
Technical Architecture
Relational Databases
Relational Databases
Relational Databases
+ More
+ More
+ More
"Quis autem vel eum iure repreh qui in ea voluptate velit esse quam"
"Quis autem vel eum iure repreh qui in ea voluptate velit esse quam"
"Quis autem vel eum iure repreh qui in ea voluptate velit esse quam"
"Quis autem vel eum iure repreh qui in ea voluptate velit esse quam"
"Quis autem vel eum iure repreh qui in ea voluptate velit esse quam"
"Quis autem vel eum iure repreh qui in ea voluptate velit esse quam"
Experience
Experience
Chief Technology Officer
Chief Technology Officer
knowurskin
knowurskin
Jan 2025 - Present
Jan 2025 - Present
Founder and Chief Architect
Founder and Chief Architect
Zephony
Zephony
Jun 2017 - Present
Jun 2017 - Present
Consulting Software Architect
Consulting Software Architect
Toptal
Toptal
May 2022 - Present
May 2022 - Present
Consulting Software Architect
Consulting Software Architect
Upwork
Upwork
Jan 2025 - Present
Jan 2025 - Present
Consulting Software Architect
Consulting Software Architect
Gun.io
Gun.io
Jul 2022 - Present
Jul 2022 - Present
Consulting Software Developer
Consulting Software Developer
Ordway
Ordway
Jun 2022 - Dec 2022
Jun 2022 - Dec 2022
Frontend Lead
Frontend Lead
Zucumber Inc
Zucumber Inc
Dec 2016 - May 2017
Dec 2016 - May 2017
Chief Technology Officer
Chief Technology Officer
Freeth
Freeth
Jul 2015 - Nov 2016
Jul 2015 - Nov 2016
Open to new projects — let’s talk.
Schedule a call with Kevin
Open to new projects — let’s talk.
Schedule a call with Kevin
Talent City
The modern training agency platform that has generated over €4 million in revenue. We built everything from appointments management to payment tracking in one platform.
Usability
85%
User Retention
70%
Talent City
The modern training agency platform that has generated over €4 million in revenue. We built everything from appointments management to payment tracking in one platform.
Usability
85%
User Retention
70%
Sunassist
The Booking platform SaaS built for a leading Australian volunteer organization. Some of the features include booking management, recurring events (like in Google Calendar), SaaS functionalities, vehicles/clients/volunteers management, advanced reports, integrations with government portals, etc.
Usability
85%
User Retention
70%
Sunassist
The Booking platform SaaS built for a leading Australian volunteer organization. Some of the features include booking management, recurring events (like in Google Calendar), SaaS functionalities, vehicles/clients/volunteers management, advanced reports, integrations with government portals, etc.
Usability
85%
User Retention
70%
Ut enim ad minima veniam, quis nostrum exercitationem ullam
John Smith
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John Smith