Thoughts & tutorials

The Blog

Writing about frontend development, architecture decisions, and lessons from building real-world products.

Building a Multi-Branch Retail Platform from the Ground Up

How I built Store Sales — a SaaS platform managing inventory, purchase orders, and role-based access across multiple retail branches. Lessons on scaling a frontend to handle complex enterprise workflows.

8 min read2025-09-150

POSPWAPerformance

Designing a Production POS System That Runs All Day

A POS system must be fast, reliable, and never crash during a 12-hour retail shift. Here's how I designed Store Sales POS for real-world resilience — from offline-first PWA patterns to barcode scanning workflows.

7 min read2025-08-200

HR TechData ManagementEnterprise

Payroll at Scale: Managing Salary Disbursement for Factory Workers

When payroll calculations need to handle thousands of workers across multiple job stations, accuracy is non-negotiable. My experience building Payflow — a salary disbursement system for large-scale factory operations.

6 min read2025-07-100

NFCQR CodeDigital Identity

From Physical Cards to NFC: Building a Digital Professional Card Platform

How we replaced traditional business cards with an NFC and QR code-powered digital platform. A deep dive into building Neos Vcard — from card design UX to contactless sharing experiences.

7 min read2025-06-050

OperationsReal-timeDashboard Design

Workshop Management: Scheduling, Technicians, and Service History

Managing an automotive workshop requires real-time coordination between customers, technicians, and parts inventory. How I designed a system that keeps workshops running smoothly.

6 min read2025-11-010

Developer ToolsAPICollaboration

Building an API Workspace: My Take on Developer Tooling

Why I built NeosAPI — a collaborative API workspace with real-time sync, environment variables, and organization-level access control. Thoughts on what makes developer tools genuinely useful.

9 min read2025-12-010

A/B TestingCROOptimization

A/B Testing at Scale: 300+ Experiments for Enterprise Clients

Lessons from running over 300 A/B tests for clients like Microsoft XBOX, Whirlpool, and Boots. How to think about experimentation, statistical significance, and driving real business impact.

10 min read2024-06-150

LeadershipTeam ManagementEngineering Culture

Leading a Frontend Team: From IC to Team Lead

Transitioning from individual contributor to frontend team lead meant shifting from writing code to enabling others. Reflections on managing 20+ concurrent projects while maintaining code quality.

8 min read2025-10-010