Sumartono Aw

Professional Summary

Full-stack engineer with 10+ years experience building and maintaining production web applications, CRM systems and e-commerce platforms. Specialising in PHP and Laravel, with hands-on experience in Vue.js, API integrations, automated testing and production deployments. I enjoy understanding existing systems, identifying the problem behind a request and delivering practical improvements for users.

Work Experience

• Build and maintain production web and mobile applications across the back end, front end and third-party APIs, working from planning through delivery and support.
• Designed and delivered a Twilio-powered mobile calling application that lets users make and receive calls directly in the app.
• Built an internal Laravel and Vue.js platform to simplify employee data management and everyday operational tasks.
• Developed a custom Shopify application that lets customers configure insurance products around their requirements.
• Built an internal AI assistant that allows staff to ask questions about business data in plain English.
• Write automated tests with Pest and PHPUnit, test APIs with Postman, review pull requests and support other developers with debugging.
• Manage production deployments and dependency updates through Laravel Forge, and troubleshoot production issues.

• Worked with developers, designers and project managers to deliver client projects and troubleshoot existing codebases.
• Translated client requirements into practical technical solutions, including e-commerce functionality and custom application behaviour.

• Built and maintained Laravel and Vue.js applications for customer account and subscription management using MySQL, PostgreSQL and Microsoft SQL Server.
• Integrated production applications with GoCardless, BusinessPilot and Google APIs, connecting payment, customer and external service data.
• Investigated bugs and implemented improvements in established applications, with feature tests covering payment flows before production releases.

• Built an online booking system and bespoke CRM to help customers book online and staff manage customer information.
• Developed and maintained both front-end and back-end functionality, working across the Agile delivery lifecycle.

Selected Projects

• Fishburn Youth & Community Centre · Built a platform for managing community centre event bookings and youth activities using Laravel, Pest, MySQL, Redis, Tailwind CSS and Alpine.js.
• Bad Drivers UK · Built a public reporting platform with automated tests using Laravel, MySQL, PHPUnit, Redis, Tailwind CSS and Inertia.js.
• Waroeng · Built an online marketplace to help independent food sellers offer products directly to local customers using Laravel, MySQL, Stripe, Pest, Redis, Tailwind CSS and Nuxt.
• Unhele · Built a venue management platform with a bespoke CRM for managing venues and Stripe payment integration, using Laravel, Inertia.js, PHPUnit and Tailwind CSS.
• YP Singosari · School website and platform built with Laravel, MySQL, Redis, Bootstrap, Vue.js and Nexmo.
• TCN Window Widgets · Laravel application built with MySQL, Redis, TailwindCSS and Vue.js.
• Business Calls App · Built a mobile calling application using Twilio Programmable Voice, Laravel APIs and a Vue.js and Capacitor client, styled with Tailwind CSS.
• PTMKA · Static business website built with HTML, ViteJS and TailwindCSS.
• Awarts · Static art website built with HTML, NuxtJS, Cloudflare D1, Cloudflare Images and TailwindCSS.