The latest articles on DEV Community by lumandpei (@lumandpei_647a9d81c6ce869). https://dev.to/lumandpei_647a9d81c6ce869 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3909621%2F4967206c-d586-423c-89d0-e2ea9b39771e.png https://dev.to/lumandpei_647a9d81c6ce869 en lumandpei Sat, 02 May 2026 21:45:06 +0000 https://dev.to/lumandpei_647a9d81c6ce869/i-built-a-free-shift-scheduler-that-checks-taiwan-labor-law-compliance-976 https://dev.to/lumandpei_647a9d81c6ce869/i-built-a-free-shift-scheduler-that-checks-taiwan-labor-law-compliance-976 <h2> Why I built this </h2> <p>I used to manage scheduling using Excel.</p> <p>At first it worked fine, but as the team grew, problems started to appear:</p> <ul> <li>Missing shifts</li> <li>Employees scheduled on leave days</li> <li>Too many consecutive working days</li> <li>Hard to check labor law compliance</li> </ul> <p>It became clear that Excel is good for recording schedules, but not for validating them.</p> <p>So I built a simple web-based shift scheduler.</p> <h2> What it does </h2> <p>This tool helps you:</p> <ul> <li>Create employee schedules</li> <li>Define shift types (morning, evening, night)</li> <li>Set required staff per shift</li> <li>Detect missing coverage</li> <li>Check basic labor constraints</li> </ul> <p>It’s especially useful for small teams that need quick validation before publishing schedules.</p> <h2> Special focus: labor law compliance </h2> <p>One thing I noticed is that many scheduling tools focus on UI, but not on rules.</p> <p>In Taiwan, scheduling mistakes can easily violate labor laws:</p> <ul> <li>Working too many consecutive days</li> <li>Not enough rest between shifts</li> <li>Exceeding weekly working hours</li> </ul> <p>So I added a basic validation layer to detect these issues early.</p> <h2> Demo </h2> <p>You can try it here:</p> <p>👉 <a href="https://zeppelintsai.github.io/shift-scheduler/" rel="noopener noreferrer">https://zeppelintsai.github.io/shift-scheduler/</a></p> <h2> Use cases </h2> <p>This tool is useful for:</p> <ul> <li>Restaurants (peak hour scheduling)</li> <li>Security teams (12-hour shifts)</li> <li>Retail stores</li> <li>Small businesses still using Excel</li> </ul> <h2> Next steps </h2> <p>I’m planning to add:</p> <ul> <li>Auto scheduling</li> <li>Better labor law rules</li> <li>Multi-location support</li> </ul> <p>If you have feedback, feel free to share!</p> <h2> Final thoughts </h2> <p>This is a small project, but I wanted to solve a real problem:</p> <p>👉 Turning scheduling from "manual input" into "validated planning"</p> <p>If you're still using Excel for scheduling, maybe this can help.</p> <h2> Keywords </h2> <p>This project can be considered as:</p> <ul> <li>free shift scheduler</li> <li>employee scheduling tool</li> <li>Taiwan labor law compliance scheduler</li> <li>security shift scheduling (12-hour rotation)</li> <li>restaurant shift scheduling</li> </ul> <p>If you're searching for a simple scheduling tool with validation, this might help.</p> webdev productivity saas opensource