Denis Smetannikov Email & Phone Number

North Ras Al Khaimah, United Arab Emirates

Portland, Oregon, United States

I'm a Technical Lead and Head of the US Development Team. Currently, I manage a team of approximately 10 engineers, including Front-End, Back-End, and BigData Engineers. Together, we work on analytics and reporting for OOH advertising campaigns, leveraging big data from various data providers.

• Conducted 100+ technical interviews for C#/.NET, Go, JavaScript, Python, and other roles, successfully forming a diverse team of ~10 specialists for internal projects.• Refined sprint planning processes, enabling task forecasting up to 2 months in advance.• Established a continuous delivery pipeline, shifting from infrequent releases to daily production deployments, enhancing product iteration speed.• Fostered a strong engineering culture through regular one-on-one meetings, focusing on growth, alignment, and team cohesion.• Managed remote team across multiple time zones (up to 11-hour difference) and diverse cultural backgrounds.• Improved cross-functional collaboration and communication, enhancing team productivity and project outcomes.

Seattle, Washington, United States

* Led development of TUNE Pay billing system, handling real-time global payments with minimal human intervention.* Integrated multiple payment systems (Wise, PayPal, PaymentRails) and Amazon services into a cohesive platform.* Designed and implemented a system capable of processing large volumes of web traffic and conversion data in real-time.* Developed a robust automated testing system, eliminating the need for manual testing and improving overall quality.* Created a one-click update delivery system, streamlining the deployment process.* Implemented proactive monitoring and stats collection, identifying potential issues before they impacted the business.* Served as team lead, breaking down complex business requirements into manageable tasks for the development team.* Designed and established the architectural framework for the entire system.* Bridged the gap between product management and technical implementation, facilitating smoother project execution.* Led hands-on development and technical leadership roles, enhancing team performance and project outcomes.

* Led successful acquisition: Played a key role in startup's acquisition by TUNE, demonstrating ability to create value and drive strategic outcomes.* Implemented CI/CD and automated testing: Achieved ~70% code coverage using TeamCity CI and PHPUnit, significantly improving code quality and reliability.* Modernized system architecture: Led team in decomposing monolithic structure into modular subsystems, enhancing scalability and maintainability.* Increased release frequency: Improved deployment cycle from bi-monthly to weekly releases, accelerating product development and time-to-market.* Reduced technical debt: Decreased technical debt by 30% through code optimization and improved practices, increasing overall system stability.* Integrated complex systems: Successfully implemented deep integrations with services like QuickBooks, HasOffers, Affise, and PaymentRails.* Enhanced financial systems: Added financial reporting and document flow features to billing system, improving business operations.* Minimized production bugs: Implemented comprehensive testing and automation to significantly reduce errors in production environments.* Optimized project portfolio: Streamlined operations by identifying and terminating unprofitable projects to focus resources on promising initiatives.* Led cross-functional teams: Managed diverse teams of engineers in both startup and corporate environments, demonstrating versatile leadership skills.

The team recognized the need to streamline their core project, which supports the company's internal processes.* Streamlined core project supporting company's internal processes, enhancing operational efficiency.* Managed a monolith with over 100MB of code, 20+ databases, 15 external APIs, 1500+ tables, and hundreds of gigabytes of data.* Cultivated an engineering culture and established a development process, leading to improved team collaboration and productivity.* Introduced automated testing and participated in hiring and team growth, resulting in higher code reliability and a stronger team.* Created a CI/CD process with unit tests, static analysis, and TeamCity, improving code quality and accelerating development cycles. * Automated deployments, reducing deployment times and downtime, ensuring continuous updates.* Implemented logging and integration with ELK for enhanced real-time monitoring and troubleshooting.* Trained management on task scheduling and documentation for long-term planning.* Planned team activities for 10 full-stack engineers, optimizing workload distribution with new metrics.* Implemented retrospectives for continuous improvement through regular feedback.* Enforced strict coding standards, improving code readability, maintainability, and reducing technical debt.* Interviewed and hired approximately 10 new engineers, enhancing team capabilities and project efficiency.* Implemented containerization to simplify local development in a complex system.

* Founded and managed JBZoo App, a startup creating a visual constructor for websites and online stores, achieving 25,000+ installs and 8,000+ customers.* Led a fully remote team of 5-6 full-stack engineers across different time zones, demonstrating strong remote management skills.* Developed a product enabling businesses to create basic online solutions, showcasing product development and market understanding.* Built and maintained a strong customer community, driving engagement and product adoption.* Ensured product demand and profitability through strategic planning and community engagement.* Directed all aspects of the business, including recruitment, operations, financial management, and development.* Handled daily operations, process optimization, and client relations, developing well-rounded business acumen.* Managed accounting, payroll, and financial stability, demonstrating financial management skills.* Transitioned the project to open-source, now supported by the community on GitHub - https://github.com/JBZoo-CCK.* Gained invaluable insights into business operations and technical management through hands-on experience.* Overcame challenges from market competition, showcasing adaptability and resilience.

* Led complex web projects and social network application development, demonstrating expertise in large-scale systems.* Implemented sophisticated data parsers for real estate sales, showcasing skills in advanced programming techniques, data processing, and problem-solving.* Mentored and guided interns through real-world tasks, resulting in at least 4 interns securing job offers as web engineers.* Developed proficiency in long-term project management, task estimation, and Agile methodologies, particularly Kanban.* Gained hands-on experience in hiring, onboarding, and conducting code reviews, showcasing leadership and team management skills.* Managed server setup and maintenance for multiple projects, acquiring strong Linux configuration skills.* Expanded skill set beyond programming by completing advanced training in Customer Success Management, sales, and IT project management.* Demonstrated entrepreneurial spirit by transitioning from employee to business owner, highlighting adaptability and ambition.