Caleb

Android App Development & App QA Testing

App Empire • Freiberufler

Apr 2026 - Present • 5 mos

Performed manual QA testing for Android applications using real devices. Tested app functionality, UI/UX, navigation, performance, login, permissions, localization, subscriptions, and feature behavior. Documented bugs with clear reproduction steps and provided actionable feedback to improve usability and stability. Supported developers with pre-release, closed testing, and post-update testing, helping ensure apps met quality standards before publication on Google Play and the App Store. Maintained clear communication, met deadlines, and delivered detailed testing reports for every project.

Website Developer / Front-End & Full-Stack Developer

web.dev • Freiberufler

May 2026 - Jul 2026 • 2 mos

Designed and developed responsive, user-friendly websites for businesses, startups, and individuals. Built modern landing pages, business websites, e-commerce stores, and custom web solutions with a focus on performance, functionality, and user experience. Optimized websites for mobile devices, SEO, speed, and cross-browser compatibility. Integrated contact forms, payment gateways, APIs, and CMS platforms where required. Worked closely with clients throughout each project, ensuring clear communication, timely delivery, post-launch support, and solutions tailored to their business goals.