In fintech, trust is everything - and speed matters just as much.

Fintech & Payment Systems Built for Speed, Security, and Scale

At QOLOS, we develop secure, high-performance financial applications and payment systems that handle complex transactions with ease. Whether you're building a platform, automating workflows, or integrating with payment gateways, we deliver the infrastructure to power your financial operations.

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Build Financial Systems That People Trust and Teams Rely On.

Let’s create fintech tools that are as powerful as they are secure. Let's Chat!

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Fintech & Payment Systems Built for Speed, Security, and Scale

In fintech, trust is everything—and speed matters just as much. At QOLOS, we develop secure, high-performance financial applications and payment systems that handle complex transactions with ease. Whether you're building a platform, automating workflows, or integrating with payment gateways, we deliver the infrastructure to power your financial operations.

What We Build

Custom Payment Platforms – Build and manage your own payment flow with secure, PCI-compliant systems.
Financial Dashboards – Real-time reporting, analytics, and account management tools.
Automated Billing & Invoicing – Custom workflows for recurring billing, reconciliation, and transaction logging.
Gateway Integrations – Stripe, PayPal, Authorize.net, Plaid, and more—fully integrated into your systems.

Why QOLOS?

Security-First Development – We bake compliance, encryption, and audit trails into every build.
Custom Logic, No Compromises – Your business rules, your integrations, your user experience—exactly how you need it.
Scalable Architecture – Ready for high volumes, multi-user access, and rapid growth.

Build Financial Systems That People Trust and Teams Rely On.
Let’s create fintech tools that are as powerful as they are secure.

Meet the Expert

We build custom payment systems and fintech platforms that are fast, secure, and built around how your business actually works. Whether it’s real-time payments, billing automation, or integrating with gateways like Stripe or Plaid, we make sure your financial tech is solid and scalable.

- Chad VanCalster

Contact Chad

QOLOS is everything you need to build your DREAM TEAM!

We hire the best, and that is why we are the best. You won't be disappointed.

I have a great website for a low cost and QOLOS made it very simple.

Robert JandrainNPS Insurance

The team at QOLOS took the time to understand my business goals and target audience, ensuring that every aspect of the website design and development aligned with my brand's vision. They showcased their creativity and technical proficiency in crafting a visually appealing and user-friendly website that truly represents my business.

Cecile S.Hudson River Foods

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about your business.

Let’s Talk!

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In fintech, trust is everything - and speed matters just as much.

Fintech & Payment Systems Built for Speed, Security, and Scale

Next Steps...

Schedule Meeting

Free Consultation

Receive Estimate

Build Financial Systems That People Trust and Teams Rely On.

Three Ways to Get Started...

Fintech & Payment Systems Built for Speed, Security, and Scale

What We Build

Why QOLOS?

Meet the Expert

Contact Chad VanCalster

QOLOS is everything you need to build your DREAM TEAM!

We’re interested in talking about your business.

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We’re interested in talking
about your business.