Halil Can Toptaş

Enterprise-focused Full Stack Engineer with 3+ years of hands-on experience delivering WMS, MES, and B2B portal systems at scale.

Civil

Engineering graduate of METU who converted a strong foundation in EPC project management, industrial operations, and process engineering into a software career — bringing analytical rigour and real-world operational context to every system built.

Proven record of shipping measurable outcomes: order accuracy lifted from 90% to 99%, inventory cycle time cut by 65%, and report generation collapsed to under 60 seconds. Experienced across .NET, Node.js, Vue.js, Flutter, and MSSQL/MongoDB stacks, with current Azure Fundamentals certification and growing cloud exposure.

Full Stack Software Developer at Arsal Otomotiv San. ve Tic. A.Ş. (2023-11 – 2026-01)

• Architected and deployed a full-stack WMS across a 2,000 m² multi-zone facility integrating ~100,000 SKUs and processing ~400 daily order lines, served by ~30 Zebra mobile terminals.
• Elevated order fulfillment accuracy from 90% to 99% through workflow redesign, dynamic product-address mapping, and mobile-first UX optimisation.
• Reduced task completion time by 30% via workflow automation; eliminated all paper-based processes (except outbound shipping) with scannable, role-aware interfaces.
• Compressed mid-year and year-end physical inventory from ~36 hours to 12–15 hours by aligning real-time ERP stock levels with live shelf-address data.
• Designed and integrated four tightly coupled subsystems:.NET Core integration service — EF Core, AutoMapper, MS-SQL triggers, batch sync jobs; Node.js / Express REST API — JWT auth, Joi validation, Winston logging, MongoDB; Vue.js admin panel — Vuex state management, DataTables, role-based dashboards; Flutter mobile app — BLoC / Provider, Zebra DataWedge barcode SDK
• Implemented RBAC with comprehensive transaction audit logs; generated weekly employee performance reports for operations management.
• Designed and delivered an integrated factory management platform covering production orders, workforce operations, scrap tracking, and efficiency analytics across.NET Core, Nuxt.js, Vue.js, and Flutter.
• Built a TypeScript + Mongoose reporting microservice aggregating machine uptime, scrap rates, and operator KPIs; fed data into executive-level Power BI dashboards.
• Localized B2B web platform for international markets; extended customer portal with advanced reporting, bulk data export, and online payment modules (Vue 3, Vuex, TailwindCSS, PrimeVue, i18n).
• Refactored corporate website admin panel with multi-language rendering engine using EJS, i18n, and Express.js; improved CMS workflow and SEO-friendly route architecture.

Junior Full Stack Software Developer at Metadiag Automotive Technologies (2023-01 – 2023-10)

• Built an internal.NET Core MVC workflow portal serving ~40 employees across 4 departments and ~500 active customers, applying SOLID principles and clean architecture patterns.
• Engineered reporting modules that cut report generation time to under 60 seconds from multi-minute legacy processes.
• Integrated real-time customer payment request flows into the portal, reducing credit assignment cycle time to 1–2 minutes end-to-end.
• Improved operational traceability by introducing structured activity archiving for the Operations team, resulting in ~30% uplift in measurable performance metrics.

BS in Civil Engineering – Middle East Technical University (METU / ODTÜ) (2013 – 2019)