About Buildster

Who
we are

Top view, construction workers or blueprint planning in housepeople at a construction site Buildster App Canada
Dax Xenis

Dax Xenis has been involved in the construction industry for the past 25 years. He has worked as a carpenter, multi family sub-contractor, renovator and project manager. In 2010, Dax started his own boutique inner city development company and built 30 inner city spec homes.

He was responsible for real estate acquisition & feasibility assessments, project management, negotiating joint venture agreements, HR, corporate operations and managing finances on budgets of 10M+ over the 5 year period of his company.

After the Calgary floods of 2013 he added a renovation arm to the company and completed 1M worth of renovations. In 2016 Dax closed his building company and began his transition into new territory.

Dax’s unique experiences in the construction field combined with his passion for efficiencies and collaboration lead him to the tech sector where he started to develop Buildster. Dax continues to work with multi family developers and runs finishing crews on medium to large scale projects.

In his spare time he is extremely active in sports and lives a healthy lifestyle with his 2 kids. Dax has travelled to Uganda several times to help build water systems for rural villages and has sat on the BOD for the NGO, G.A.R.D since 2006.

Dax Xenis
Jakko Vos

Jakko is an all-round software developer with 25+ years of experience. Jakko started out as contractor in The Netherlands and worked mainly in the financial and business services sector. He was involved in helping the national financial reconciliation institute implement the transition to the Euro and the YK2000 adaptations in the late 90’s.

After starting to work as independent contractor in 2001, Jakko focused on Java applications in an innovative environment, and was involved in ground breaking proof of concepts in the use of online services to gather proof related to money laundering and insurance fraud that was the first online gathered information used in Dutch courts.

In 2006, together with 2 friends, Jakko started YourRequest BV, a company which created innovative online services for the Dutch Government, for example a speeding ticket lookup and payment system for the Dutch Police.

In 2016, Jakko and his family moved to Canada. Here, Jakko did some contracting work for smaller companies till he met David Xenis, CEO of Buildsterapp.com. Jakko has been working on the Buildster website since 2018 and is the lead developer and architect of Buildster’s platform.

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Built from the field up

Buildster, a QC and deficiency app founded by Dax Xenis and Jakko Vos, has set out to make field coordination visual, organized, and intuitive.

Construction projects rely on collaboration between multiple teams (site managers, employees, and trade contractors) and are often spread across large, fast-moving job sites. But traditional methods of coordination, like texting or emailing updates, can quickly spiral into confusion.

"Inefficient task management, deficiency control, and delegation tools were our biggest pain points. Relying on text or email made it hard to track accountability and organize communication around specific tasks."
Dax Xenis

That frustration became the spark behind Buildster. The app lets users drop digital pins directly onto project blueprints in order to tag deficiencies, link photos, and complete inspection checklists. Each pin becomes its own communication "channel," keeping all related conversations in one place and making it visual, traceable, and actionable.

The result? No more hunting through long message threads or guessing which floor a deficiency was found on. Everything is right there, linked to the blueprint.

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Before founding Buildster, Dax Xenis spent years immersed in construction managing projects, coordinating trades, and navigating the constant flow of site updates and client demands. He understood firsthand how chaotic communication could be and how much time was lost to misalignment between field and office.
"I knew if I was going to build something for the construction industry, it had to actually make lives easier. Not just look good on paper."
Dax Xenis

Buildster's vision

At its core, Buildster's vision remains clear: to simplify construction management through visual collaboration and smarter communication.
Where did the idea for Buildster come from? Was there a specific moment or problem that sparked it?
Buildster was born from the many communication gaps in the construction field. There are so many things that need to be completed on any given project, and text messaging or email just wasn’t cutting it. Problems on top of problems would add up and no one would take accountability. Lost photos, lost messages, deficiencies that never get resolved and lots of re-work on every project. In the end, time and money was lost and the quality of the work completed was never as good as it could have been.
What does Buildster mean to you beyond the product itself?
Buildster’s BHAG (Big Hairy Audacious Goal) has always been about creating a global/local online community around construction. Think of it like a blue collar version of Linkedin, where construction professionals, trade workers, builders, suppliers could all connect in and around their communities to build better, find work, find products and share trade information. Creating a useful digital tool for the construction industry was always step one of this process.
Where do you see it going?
 Ultimately, Buildster would become a free tool with a growing number of features being added over the years.  The monetization would switch from a user driven model to a community driven model, where Buildster could sell ethical and targeted advertising to people who are actively searching for the construction products they need. Building requires an endless amount of products and labour, and connecting businesses to these things would be the driver of Buildster’s future. Ultimately Buildster would have all the features of the enterprise solutions currently out in the marketplace, but they would be available for free.

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