Open to opportunities

Kevin Yunas

@kevinyunas

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Full Stack engineer delivering fintech payouts and React dashboard systems.

United States

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What I'm looking for

I’m looking for a team where I own full features end-to-end—payments or data-heavy products, strong product/design collaboration, and room to build scalable backend and polished React interfaces.

I’m a Full Stack Software Engineer with 3+ years shipping production features at a fintech startup. I build end-to-end systems that translate payment and distribution logic into reliable operator tooling and client-facing experiences.

I built an internal payout portal end-to-end, connecting Stripe to Wise pipeline logic using async Celery tasks and atomic PostgreSQL transactions. From there, I developed the operator UI to initiate and monitor batch payouts in real time—processing millions in royalty distributions across 3,000+ artists.

I also designed and implemented a REST API and full React UI for a multi-tenant workspace system with role-based access control and permission scoping. By auditing N+1 query bottlenecks in the Django backend and optimizing prefetch across 5+ related tables, I reduced database calls in the Stripe webhook handler to stay within Stripe’s timeout window, eliminating delayed or failed payment processing.

Experience

Work history, roles, and key accomplishments

Full Stack Software Engineer

Tone

May 2022 - Dec 2025 (3 years 7 months)

Built an end-to-end payout portal for royalty distributions, including Stripe→Wise pipeline logic with async Celery tasks and atomic PostgreSQL transactions, processing millions across 3,000+ artists. Designed a multi-tenant REST API and React UI with role-based access control, and eliminated Django N+1 bottlenecks to keep Stripe webhook handling within timeout windows.