DiscountFilters by Christian PrestonDiscountFilters by Christian Preston

DiscountFilters

Christian Preston

Christian Preston

Backend Engineer

Frontend Engineer

Figma

Figma

HTML5

HTML5

jQuery

jQuery

PHP

PHP

Visual Studio Code

Visual Studio Code

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Posted Jul 28, 2022

Save Big on Our Made in the USA Air Filters, Water Filters & More At DiscountFilters.com. Enjoy Fast Shipping And Free Returns On All Orders.

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Backend Engineer

Frontend Engineer

Figma

Figma

HTML5

HTML5

jQuery

jQuery

PHP

PHP

Visual Studio Code

Visual Studio Code

Christian Preston

Christian Preston

Software Engineer focused to make a difference

Rogue Discs

RISR Softball

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For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Challenges Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

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© 2026 Contra.Work Inc

Back in 2017, we were set out to do a full redesign on the whole website to make it feel more UI/UX Friendly for new/existing customers. Our customers enjoyed the new design and thought it was a lot easier to navigate and checkout their product with ease. We saw the new design take affect in late February of 2018 which changed the game for Air/Water filters industry.

Improved UI/UX

Completed Full Redesign from scratch in under 5 months

Refactor most, if not all code

Increased Revenue by 5x

Check the website out below! 💪