Pavel S.

Comobi BV is a mobility-focused scale-up building digital platforms for ride-sharing operations, including booking systems, back-office tools, and integrations with transportation partners.

• Contributed to backend stabilization and restructuring efforts for a Laravel-based mobility platform under new technical leadership.
• Refactored legacy backend components to improve code readability, maintainability, and long-term scalability.
• Improved database structures and query performance, enabling more efficient data handling across booking and operational systems.
• Identified and resolved regression issues, improving overall system stability during the early restructuring phase.
• Supported backend improvements for internal back-office tools used by operations teams and partner companies.
• Worked in a fast-paced environment that required quick adaptation and independent ownership of tasks.

CEA Certification GmbH is a nationally accredited certification body providing quality management system assessments and compliance services.

• Developed and maintained backend systems supporting certification workflows and data processing operations.
• Designed and optimized database structures using MySQL and MariaDB to ensure reliable and efficient handling of certification data.
• Built and enhanced Laravel-based backend services supporting internal platforms and reporting systems.
• Improved system performance by optimizing queries and backend processes, reducing latency in core operations.
• Collaborated with cross-functional teams to deliver stable and scalable solutions aligned with compliance requirements.
• Fixed bugs and implemented system improvements and feature enhancements in a production environment.
• Contributed to long-term platform stability during a full-time engagement spanning more than one year.

Svitla Systems is a global digital solutions company providing software development and IT consulting services to enterprise clients.

• Maintained and enhanced a large-scale sports analytics and reporting platform used by baseball, softball, and golf organizations.
• Refactored legacy backend services to reduce infrastructure load across MySQL and Elasticsearch clusters, improving system performance and stability.
• Designed and implemented scalable backend solutions using Laravel, ensuring high availability and efficient data processing.
• Built and managed containerized environments using Docker and orchestrated deployments with Kubernetes on AWS EKS.
• Developed and maintained CI/CD pipelines, enabling faster and more reliable releases across multiple environments.
• Introduced automated testing practices and tools, improving code quality and reducing regression issues.
• Collaborated closely with DevOps and frontend teams to ensure seamless integration between backend services and user-facing applications.

Hyuna International provides software solutions and consulting services focused on backend systems and data-driven platforms.

• Provided ongoing technical consulting and support for multiple Laravel-based applications, ensuring system stability and performance.
• Diagnosed and resolved complex production issues, minimizing downtime and improving the user experience.
• Contributed to feature development and backend enhancements in a hybrid work environment.
• Collaborated with stakeholders to define technical solutions aligned with business requirements.
• Maintained and improved frontend-backend integrations using Vue.js and Nuxt.
• Optimized data handling and reporting processes using Redshift and backend improvements.

• Designed and delivered multiple backend-heavy applications, including e-commerce systems, SaaS platforms, and peer-to-peer crypto exchange solutions using Laravel and Lumen.
• Led end-to-end backend development, from requirements analysis through deployment, ensuring scalable and maintainable architectures across projects.
• Refactored legacy Laravel and custom PHP codebases, introducing clean code principles, modular structures, and improved test coverage.
• Built and optimized RESTful APIs, improving response times and ensuring stable integrations with third-party services, including payment gateways and external data providers.
• Implemented Docker-based development environments and streamlined CI/CD pipelines to accelerate delivery and reduce environment inconsistencies.
• Applied performance optimization techniques to MySQL queries and backend processes, significantly reducing server load in high-traffic applications.

• Built a reporting system for external banking processors from scratch using Laravel, handling large volumes of transactional data

• Designed system architecture using Laravel as a backend API and Nuxt.js as a frontend framework for improved scalability

• Led the migration to a modern architecture, improving maintainability and separation of concerns

• Implemented CI/CD pipelines and automated deployment workflows, reducing manual release overhead

• Developed data pipelines and reporting solutions using AWS Redshift and PostgreSQL

• Utilized Docker and Vagrant to standardize development environments across the team

• Worked closely with cross-functional teams in an on-site setting to deliver high-quality features on time

JoMedia is a media company focused on digital content platforms and custom web solutions.

• Worked on a large legacy PHP codebase, gaining hands-on experience in maintaining and improving complex systems

• Refactored and optimized a custom-built internal framework to improve performance and scalability

• Fixed critical bugs and stability issues in production environments

• Assisted in backend feature development and system enhancements

• Collaborated with senior developers to improve code structure and development practices