Selected WorkCase StudiesFrontend • Fintech • Systems

A curated set of
engineering case studies.

A selection of projects focused on payment engineering, design systems, and QA tooling. Each case study breaks down the context, technical constraints, system decisions, and delivery outcomes behind the work.

Focus Areas

React ArchitectureTypeScript SystemsFintech ToolingDesign SystemsQA AutomationDeveloper Experience

Projects

Domains

Stack

TS / React

01Library
Fintech Engineering
EMV Protocol Toolkit
Lead Developer
Protocol Workflow
6FTemplate
Reading tag…
84DF Name
A0 00 00 00 03
A5Proprietary Template
50 0B 56 49 53 41...
Scan
High-performance TypeScript library and CLI tool designed for parsing, validating, and scraping complex EMV/TLV data structures.
TypeScriptNode.jsCLICheerio
Technical stack: TypeScript, Node.js, CLI, Cheerio, EMV / TLV, Hex Parsing
02System
Design Engineering
Fintech Design System
Frontend Architect
System Preview
color-primary
color-success
color-warn
radius-md
|
ReactTokensDocs
Enterprise-grade component library and design token system built for a major national payment network to unify web and terminal interfaces.
ReactTypeScriptTailwindStorybook
Technical stack: React, TypeScript, Tailwind, Storybook, Design Tokens
03SaaS
QA & Compliance Tooling
Payment Certification Cloud
Fullstack Engineer
Certification Hub
Passed
00
Warnings
00
Suite progress--
[09:42] Validation started
[09:44] Running checks…
Validation and certification platform designed for international payment schemes to automate testing and compliance reporting.
ReactNode.jsComplianceFintech QA
Technical stack: React, Node.js, Compliance, Fintech QA, Data Visualization

A curated set ofengineering case studies.

EMV Protocol Toolkit

Fintech Design System

Payment Certification Cloud

A curated set of
engineering case studies.