Soner Er

Doallon is a technology company focused on delivering innovative business management solutions for export-oriented companies.

Led the design and development of scalable software systems tailored to streamline business operations in the export sector. Oversaw technical architecture and product strategy, combining leadership with hands-on development. Actively contributed to backend development using Laravel and Go (Golang), with a strong focus on microservices architecture and cloud-native deployment. Played a key role in shaping system reliability, performance, and maintainability across various client solutions.

Technologies used:
Core stack: PHP (Laravel), Go (Golang), PostgreSQL, Redis, Kafka, Docker
Development practices: Microservices architecture, RESTful API development, Linux server administration, distributed systems, event-driven messaging, clean code, and scalable backend design.

Vivense is one of Turkey’s leading furniture and home décor platforms, combining e-commerce with physical experience stores.

Worked on multiple end-to-end projects using both monolithic and microservices architectures. Played a key role in backend development with PHP (Laravel) and .NET technologies, contributing to scalable and maintainable system design. Actively participated in system integrations, event-driven architecture, and containerized deployments using modern tools and messaging systems.

Technologies used:
Core stack: PHP (Laravel), .NET, PostgreSQL, MariaDB, Redis, Kafka, RabbitMQ, Elasticsearch, Docker, Netflix Conductor
Development practices: Microservices architecture, MVC design pattern, RESTful services, asynchronous communication, message queues, container orchestration, clean code principles.

Garanti Barter is a leading B2B marketplace platform in Turkey, enabling companies to trade products and services with each other.

Worked as part of the development team to rebuild the entire B2B barter system from scratch. Contributed to the implementation of new features and improvements using modern web technologies and best development practices.

Technologies used:

• Core stack: PHP (Laravel, Symfony), MariaDB, MongoDB, Redis, Elasticsearch, Docker, Nginx
• Development practices: Domain-Driven Design (DDD), RESTful API Design, MVC architecture, Object-Oriented Programming (OOP), SOLID principles, and design patterns.

Developed and maintained PHP-based web applications using Laravel and CodeIgniter frameworks. Took an active role in both backend and frontend development, focusing on responsive UI and user experience. Also contributed to native Android application development using Java, ensuring cross-browser compatibility and clean, maintainable code across all platforms.

Technologies used:
Core stack: PHP (Laravel, CodeIgniter), HTML, CSS, JavaScript, Java (Android)
Development practices: MVC architecture, RESTful API design, Object-Oriented Programming (OOP), cross-browser compatibility, clean code principles.

Developed responsive and user-friendly web interfaces using Bootstrap, ensuring cross-device compatibility and a modern UI/UX experience. Gained solid experience in backend development through hands-on Laravel projects, focusing on MVC structure and RESTful API integrations. Strengthened data management skills by learning and applying SQL for efficient database design and querying.