Straumur
Kvika payment processing platform

Product surfaces
5
Ownership
Merchant UI
Team size
4–6
Duration
3+ years
Merchant web + portal · team of 4–6
overview
Overview
Straumur is Kvika's payment processing subsidiary, serving roughly 25% of Iceland's acquiring market. I worked on merchant-facing web experiences across POS, e-commerce, and payment infrastructure.
features
Key features shipped
- Merchant service portal and account overview
- POS and e-commerce payment product pages
- Terminal setup and onboarding flows
- Transaction reporting and merchant support surfaces
- Marketing site integrated with product brand system
gallery
Product screens
Key surfaces shipped in production — layouts, flows, and UI patterns from the live product.

challenge
The challenge
Financial products demand trust, clarity, and reliability. Merchant flows span onboarding, service portals, and operational tooling — each with different user mental models but one brand system.
approach
Approach
I treated each flow as part of a coherent product language: strong hierarchy, restrained motion, and frontend patterns that made complex payment concepts scannable for non-technical merchants.
contributions
What I worked on
- Developed merchant-facing web experiences and service portal UI
- Implemented product flows across POS, e-commerce, and payment surfaces
- Collaborated in a cross-functional fintech team on UX and frontend quality
- Maintained consistency across multiple product areas under one brand
outcome
Outcome
Delivered production frontend work for a regulated payment platform used at national scale — balancing compliance-minded UX with modern React architecture.