Serhii Fedorenko

Results-driven Full-Stack Engineer with over 8 years of experience managing complete project lifecycles from conception to deployment and maintenance. Passionate about tackling projects and tasks of any complexity, with proven expertise in analyzing business requirements and recommending optimal technology solutions. Demonstrated leadership in guiding development teams and mentoring junior developers while architecting scalable systems. Strong background in system optimization, having successfully split monolithic architectures into microservices, implemented CI/CD pipelines, and enhanced application performance through modularization. Consistently delivers high-impact solutions that drive measurable business growth across diverse industries.

• Full Project Lifecycle Management, Successfully led 15+ projects from initial requirements gathering through deployment and post-launch optimization, ensuring on-time delivery and stakeholder satisfaction
• Technology Leadership, Evaluated and recommended technology stacks for diverse business requirements, resulting in optimal solution selection that reduced development costs by 30% on average
• Team Leadership & Mentoring, Led cross-functional teams of 3-9 developers, providing technical guidance and mentoring that improved team productivity by 40% and reduced onboarding time for new developers by 60%
• Architectural Excellence, Applied Domain-Driven Design principles and design patterns to improve code maintainability and reusability, achieving 50% faster development cycles
• Performance Optimization, Transformed monolithic systems into microservices, enhancing query performance by 55% and reducing peak hour load by 20%
• Process Improvement, Established coding standards and development workflows, reducing technical debt by 40% and project setup time by 70%
• CI/CD Implementation, Optimized deployment processes reducing deployment time by 70% through automated pipeline implementation
• Innovation Integration, Successfully integrated AI/ML capabilities (Cloud Vision, Amazon Rekognition, OpenAI) improving user engagement by 45% and demonstrating ability to leverage cutting-edge technologies for business value

Enterprise Taxi Platform

Role: Full-Stack Developer | Duration: 1.5 years | Team Size: 9

Responsibilities:

• Architected solutions in alignment with business requirements and current technological trends.
• Established robust architectural principles via regular code reviews and technical mentoring.
• Produced comprehensive technical documentation, including diagrams and system blueprints.
• Led the development team to adhere to best practices and architectural standards.
• Implemented microservices architecture to enhance system performance.
• Integrated real-time communication features using WebRTC and WebSockets.
• Incorporated AI-powered document recognition systems.
• Oversaw project planning, estimation, and technical risk management.
• Evaluated and recommended new technologies for strategic adoption.

Technologies used:

Laravel Nova, Vue 3, Node.js, NestJS, Octane (Swoole), WebRTC, WebSockets, RabbitMQ, PostgreSQL, Redis, AWS, Docker

E-commerce Platform

Role: Full-Stack Developer | Duration: 1 year | Team Size: 3

Responsibilities:

• Developed and integrated Google Vision for document and recipe recognition.
• Built custom modules to integrate SendCloud and QuickBooks services.
• Customized marketplace features using Vnecoms modules.
• Implemented subscription services and improved SEO performance.
• Developed a custom PDF document generation system.
• Created re-shipment functionality compatible with multiple shipping providers.
• Optimized the checkout experience by introducing custom cart pricing rules.

Technologies used:

Magento 2, Knockout.js, Elasticsearch, MySQL, Redis, AWS, Docker

E-commerce Platform Migration

Role: Full-Stack Developer | Duration: 8 months | Team Size: 3

Responsibilities:

• Led research, estimation, and delivery planning for the migration project.
• Upgraded theme infrastructure to leverage new GraphQL API features.
• Modernized API integrations to improve data-retrieval efficiency.
• Migrated an existing theme to the latest Node.js environment using Stencil CLI and stencil-utils, enabling enhanced API features.
• Enhanced theme customization and integrated premium product filtering, boosting sales conversion.

Technologies used:

BigCommerce, Stencil CLI, Node.js, GraphQL

Adobe Certified Professional - Adobe Commerce Developer