Expert QA Engineer: B2B SaaS Payment Systems Specialist

Expert QA Engineer: B2B SaaS Payment Systems SpecialistExpert QA Engineer: B2B SaaS Payment Systems Specialist

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Redion Bufi

• Feb 5

Tabs — Senior QA Engineer (Payments & SaaS)

Worked as a long-term QA Engineer on a B2B SaaS platform focused on billing, invoicing, and financial workflows. Collaborated closely with developers and product to ensure stable releases across complex payment logic and integrations.

Highlights

Validated critical billing flows (subscriptions, invoices, credits, taxes)

Tested integrations with third-party financial systems and APIs

Reduced production issues by catching edge cases early in the release cycle

Quality Assurance Engineering Quality Assurance Testing Linear Quickbooks Stripe

Jithin Kumar

max

• Mar 17

Client Record Page dev completed. Here is the sneak peak.

product freelance saas Desktop Apps Development Web Development Claude Cursor Next.js

Akinkunmi Ayo

pro

• Mar 17

Looking solid! 👏 The structure feels clean and well thought out can already tell this will make managing client records much more efficient.

Oleksandr A.

• Mar 16

💰 A bug found in production costs 100x more than one found during design. Quality isn't just a "check"—it's a financial strategy.

As a QA Lead, I help you stop the bleed. My services protect your: 🚀 Revenue: No broken checkouts. ⭐ Reputation: Zero 1-star reviews. 💸 Budget: Fix it once, fix it early.

Stop paying for "re-work." Invest in engineering quality from day one and build something unbreakable.

Check out my services on Contra!

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