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Mamabüs is a modern corporate catering website designed to showcase the company's catering services, menus, and corporate information. The platform provides an easy-to-navigate experience with dedicated service pages, dynamic menu content, blog sections, and contact functionality.
Sanal PBX is a scalable SaaS-based multi-tenant Private Branch Exchange platform designed to manage business communications in the cloud. The system enables organizations to create and manage virtual phone systems with features such as extension management, call routing, IVR menus, call recording, reporting, and user role management. Built with a multi-tenant architecture, it allows service providers to onboard and manage multiple companies from a single platform while ensuring isolation, flexibility, and high performance.
LIMS is a modern Laboratory Information Management System built to digitize and streamline end-to-end laboratory workflows. It centralizes patient/sample registration, test and culture operations, reporting, invoicing, inventory, and role-based administration in a single platform. Designed for speed, traceability, and compliance, the system helps labs reduce manual errors, improve turnaround time, and manage daily operations with confidence.
WHMCS Mobile is a powerful and user-friendly mobile application designed to help hosting companies manage their WHMCS operations anytime, anywhere. Monitor clients, invoices, tickets, and orders in real time with a fast, secure, and intuitive interface. Stay connected to your business and respond instantly to customer needs directly from your mobile device.
Midfest is a festival and event platform developed for Turkey’s first and largest family-focused nature camping festival, featuring event information, program details, and a user-centered experience.
Duckcoffee Mobile is a fast and user-friendly mobile app that lets customers order their favorite drinks, collect loyalty points, and access personalized campaigns in seconds. With real-time store information, secure account features, and a smooth ordering experience, Duckcoffee Mobile keeps your coffee journey always within reach.
Duckcoffee Web is a modern and responsive platform built to support both customers and business operations. It provides an intuitive interface for exploring products, managing campaigns, and improving digital engagement, while giving the brand a scalable online presence that works seamlessly across all devices.
Obi Mobile is a casting and talent portfolio app built for actors. Create and manage your digital profile, upload self-tapes and showreels, discover matched casting calls, and apply to roles in seconds. Follow application statuses, receive real-time notifications, message casting teams, and track project timelines from one place.
Obi Web is the management platform for casting agencies and production teams. Publish projects, define roles and requirements, review applications and audition videos, and communicate directly with talents. With workflow-focused tools for filtering, evaluation, and status tracking, Obi Web streamlines the full casting process end to end.
Checkmate analyzes product ingredients in seconds, providing you with simple, clear, and reliable information. Built with Expo and React Native for rapid cross-platform ingredient lookup and safe consumption insights.
Sanal PBX is a SaaS platform built with Laravel and powered by FreeSWITCH. It enables users to sign up, select a package, and manage their extensions and calls with ease. Designed for simplicity and efficiency, it offers a seamless virtual PBX experience for businesses of all sizes.
Peer is a Laravel-based service reservation system with integrated payment infrastructure. It streamlines the booking process, making it easy for users to reserve services and complete payments securely and efficiently.
Müze App is a web application designed for museum touchscreens, offering an interactive and engaging way to present exhibit information. It enhances the visitor experience with multimedia content and an intuitive touchscreen interface.
Bobajoy is inspired by the globally popular Taiwanese bubble tea trend, featuring fun and flavorful drinks with vegan, allergen-free popping boba. I developed an internal mobile application for staff and operations management with training modules, performance tracking, rewards, purchasing, and digital standardized recipes.
An innovative mobile application designed to facilitate selling and renting personal property, including cars, homes, and various assets. Streamlines the listing, messaging, and search process for fast property discovery.
A scalable marketplace web platform designed to facilitate selling and renting personal property, including vehicles, homes, and commercial listings. Provides robust filtering, secure account management, and real-time listings.
A custom-built telecom CRM designed to handle billing, switch management, number allocation, and end-to-end service operations. Developed to streamline workflows and provide real-time control over all telecom processes.
A scalable SMS management platform built for bulk messaging, contact management, and campaign tracking. Developed with Laravel on the backend and React on the frontend. Includes RESTful APIs, queue-based message processing, delivery reports, and SMS gateway integrations.
Cloud-based VoIP management and CRM panel for handling enterprise voice operations, tenant accounts, SIP trunking, and communication logs.
Senior Software Engineer
I'm Sergen Kabakcı, a Full Stack Software Engineer with 8+ years of professional experience building scalable web applications, SaaS platforms, mobile applications, and telecommunications solutions. I started my professional career in the telecommunications industry, where I gained extensive experience developing software solutions for telecom and VoIP environments. Since 2023, I have been working independently as a freelance software engineer, building custom applications and scalable platforms for businesses and startups. My core expertise includes PHP and Laravel for backend development, React and React Native for modern web and mobile applications, and Node.js for building scalable services and APIs. I also work extensively with PostgreSQL, MySQL, Docker, AWS, DevOps, SIP, VoIP, and FreeSWITCH. Throughout my career, I have worked on a wide range of projects, including multi-tenant SaaS platforms, cloud PBX systems, CRM solutions, laboratory management systems, mobile applications, and telecom software. I enjoy turning complex business requirements into reliable, maintainable, and scalable software solutions.