Available to hire
I am a Full Stack Developer and DevOps Engineer with 7 years of experience across eCommerce, healthcare, and SaaS environments. My expertise spans building scalable cloud-native applications using React.js, Node.js, Django, and MySQL, supporting thousands of concurrent users effectively. Additionally, I have a strong focus on optimizing CI/CD pipelines and cloud infrastructure management, which has significantly reduced release times and enhanced system uptime.
Throughout my career, I have led teams and managed projects that integrate complex technologies such as Adobe Commerce, AWS, Kubernetes, and JWT-based security frameworks. I enjoy continuously improving infrastructure resiliency and product scalability while maintaining close collaboration with product stakeholders. I am passionate about leveraging analytics and automation to deliver functional and efficient software solutions.
Skills
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Language
English
Fluent
Work Experience
DevOps Lead at Xenonarc
May 1, 2024 - PresentLed the configuration of Adobe Commerce solutions for multiple B2B clients, optimizing shopping cart logic and payment gateway integration to reduce transaction latency significantly. Managed a team of eight engineers and product stakeholders, aligning deliverables with the eCommerce roadmap. Redesigned CI/CD workflows using Jenkins, ArgoCD, and Terraform, automating deployments across multiple environments and decreasing build-to-release time. Streamlined AWS infrastructure and Kubernetes clusters provisioning microservices across availability zones, reducing incident response times. Resolved high-severity platform issues through log analysis, scripting automation with Ansible, and permanent remediation strategies. Integrated Mixpanel analytics to track user engagement across regions, uncovering trends from a large base of active users.
DevOps Lead at Xenonarc, US
May 1, 2024 - June 20, 2024Implemented Adobe Commerce (Magento) for 6+ global B2B clients, enhancing checkout performance by 25% through optimized shopping cart workflows and secure payment gateway integrations. Directed a cross-functional team of 8+ engineers, product managers, and solution architects, aligning on eCommerce milestones and delivering features 15% faster through strategic roadmap execution. Reduced deployment cycles by 40% by redesigning CI/CD pipelines using Jenkins, ArgoCD, and Terraform, accelerating delivery across dev, staging, and production environments. Streamlined AWS cloud infrastructure and Kubernetes clusters to support microservices, improving system uptime and reducing incident response time by 30 minutes per issue. Led root cause analysis and mitigation for critical incidents, reducing platform downtime by 22%. Facilitated Agile Scrum practices across 3 development pods, increasing sprint velocity, and maintained transparent progress tracking through Jira and Confluence. Integrated
DevOps Lead at Xenonarc
May 1, 2024 - June 9, 2024Implemented Adobe Commerce (Magento) for global B2B clients, enhancing checkout performance by 25%. Led a cross-functional team of 8+, delivering features 15% faster via strategic roadmap execution. Redesigned CI/CD pipelines using Jenkins, ArgoCD, and Terraform, reducing deployment cycles by 40%. Streamlined AWS cloud infrastructure and Kubernetes clusters for microservices, improving uptime and reducing incident response time by 30 minutes. Led root cause analysis, cutting platform downtime by 22%. Facilitated Agile Scrum practices across development pods and integrated Mixpanel analytics to boost conversion rates by 12%.
DevOps Lead at Xenonarc, US
May 1, 2024 - June 12, 2024Implemented Adobe Commerce (Magento) for 6+ global B2B clients, enhancing checkout performance by 25% through optimized shopping cart workflows and secure payment gateway integrations. Directed a cross-functional team of 8+ engineers, product managers, and solution architects to deliver eCommerce features 15% faster. Reduced deployment cycles by 40% by redesigning CI/CD pipelines using Jenkins, ArgoCD, and Terraform. Streamlined AWS cloud infrastructure and Kubernetes clusters to support microservices, improving uptime and reducing incident response time by 30 minutes per issue. Led root cause analysis to reduce platform downtime by 22%. Facilitated Agile Scrum practices across 3 development pods and integrated Mixpanel analytics, leading to a 12% uplift in conversion rates.
Full Stack Developer at Uber
April 30, 2024 - August 4, 2025Developed interactive web applications with React.js and Django, handling high concurrent session loads by modularizing components and scaling routes. Refactored MySQL schemas and queries to optimize performance during peak periods. Deployed full-stack applications on AWS using Docker and GitHub Actions with optimized CI/CD pipelines, cutting release durations drastically. Implemented JWT-based authentication and API authorization to enforce access control and secure production environments.
Full Stack Developer at Uber, US
October 1, 2023 - April 30, 2024Engineered scalable web applications using React.js and Django, supporting over 10,000 concurrent users with enhanced load handling and component modularity. Streamlined MySQL database schemas and queries, reducing average query execution time by 150ms, enhancing backend responsiveness for user-facing features. Deployed applications on AWS (EC2, S3, RDS) using Docker and GitHub Actions, reducing release cycle time from 5 days to 2 days with automated CI/CD workflows. Orchestrated JWT-based authentication and API security standards, decreasing unauthorized access incidents by 30% and strengthening user data protection.
Full Stack Developer at Uber
October 1, 2023 - April 30, 2024Engineered scalable web applications using React.js and Django supporting over 10,000 concurrent users. Optimized MySQL queries, cutting execution time by 150ms. Deployed applications on AWS (EC2, S3, RDS) with Docker and GitHub Actions, reducing release cycles from 5 to 2 days via CI/CD automation. Implemented JWT-based API security, reducing unauthorized access incidents by 30%.
Full Stack Developer at Uber, US
October 1, 2023 - April 30, 2024Engineered scalable web applications using React.js and Django, supporting over 10,000 concurrent users with enhanced load handling and modular components. Optimized MySQL database queries to reduce execution time by 150ms, enhancing backend responsiveness. Deployed applications on AWS using Docker and GitHub Actions, reducing release cycle from 5 to 2 days with automated CI/CD workflows. Implemented JWT-based authentication and API security standards, decreasing unauthorized access incidents by 30%.
Front End Developer at Slalom
September 30, 2023 - August 4, 2025Developed responsive UI components using HTML5, CSS3, and JavaScript, optimizing cross-device rendering and reducing page load times. Modularized CSS architecture to enable scalable class structures, decreasing development time. Tuned AWS-hosted REST APIs, significantly improving API latency and stabilizing real-time content delivery. Created reusable UI modules for core hiring workflows, facilitating plug-and-play usage across teams and accelerating feature rollouts. Multiple client engagements included projects for Amazon Jobs, Starbucks POC, and Amazon Eero.com with emphasis on data-driven interfaces and integrations.
Front End Developer at Slalom, US
February 1, 2022 - September 30, 2023Worked with clients like Amazon Jobs, Starbucks, and Amazon’s Eero.com platform. Pioneered responsive and accessible UI components using HTML5, CSS3, and JavaScript, enhancing page load performance and reducing bounce rates. Refactored legacy styles into modular CSS architecture, improving code reusability and reducing development time. Collaborated with backend teams to optimize RESTful APIs and AWS database queries, leading to faster response times. Delivered reusable UI modules that accelerated feature rollout by 15%. Built data-driven interfaces with React.js, optimized rendering for large datasets, and led manual testing efforts. Migrated tracking infrastructure from Google Analytics to Mixpanel for better data granularity, integrated Shopify into Amazon’s Eero platform, and embedded YouTube live streaming, significantly improving user experience and quarterly revenue.
Front End Developer at Slalom
February 1, 2022 - September 30, 2023Developed responsive and accessible UI components for Amazon Jobs, reducing bounce rates and improving page load performance. Refactored legacy CSS into modular architecture, saving over 12 hours per sprint. Collaborated on API integration, cutting API response times by 300ms. Led development of reusable UI modules, increasing project velocity by 15%. Built React interfaces for Starbucks POC, optimizing data rendering and state synchronization. Migrated tracking from Google Analytics to Mixpanel for Amazon’s Eero platform, improving data accuracy by 40% and contributing to $300K revenue increase. Embedded live YouTube streaming into product pages, enhancing user experience.
Front End Developer at Slalom, US
February 1, 2022 - September 30, 2023Worked with Amazon Jobs and Starbucks clients to develop responsive and accessible UI components using HTML5, CSS3, JavaScript, and React.js. Refactored legacy CSS for modularity, reducing development time. Collaborated with backend teams to optimize AWS Cloud database queries, improving API response time by 300ms. Delivered reusable UI modules boosting project velocity by 15%. Led development of Starbucks Tip feature, increasing user engagement by 15%. Integrated Shopify into Amazon's Eero platform, automating order processing and increasing revenue by approximately $300K quarterly. Embedded live YouTube streaming into product pages, reducing latency and improving user experience.
Front End Developer at Epsilon
January 31, 2022 - August 4, 2025Enabled reusable UI components with React.js, Redux, and styled-components to support faster feature rollouts across multiple modules. Designed responsive login and user management interfaces improving load times. Constructed a centralized React component library reducing redundant coding efforts. Integrated backend services via RESTful APIs for live data rendering on enterprise dashboards with large user bases. Employed React Hooks and Higher-Order Components for managing complex application states. Executed unit testing eliminating UI defects over multiple release cycles.
Front End Developer at Epsilon, US
November 1, 2020 - January 31, 2022Developed and maintained 20+ reusable UI components using React.js, Redux, and styled-components increasing code reusability by 35% and reducing feature development time. Engineered front-end interfaces for login and user management modules improving user load time. Constructed a centralized React component library with 30+ components, standardizing UI and cutting redundant efforts by 40 hours/month. Integrated RESTful APIs supporting over 15,000 daily active users. Utilized React Hooks and HOCs to simplify state management reducing code complexity. Automated front-end deployment workflows increasing CI/CD reliability. Led testing and debugging minimizing front-end bugs and collaborated across SDLC ensuring 98% unit test coverage.
Front End Developer at Epsilon
November 1, 2020 - January 31, 2022Maintained 20+ reusable UI components using React.js and Redux, improving reusability by 35% and reducing development time. Built front-end login and user management modules improving user load time by 1.5 seconds. Created a centralized React component library, cutting redundant development by 40 hours/month. Integrated RESTful APIs supporting 15,000+ daily users. Simplified state management using React Hooks and HOCs, reducing code complexity by 20%. Automated deployments with Grunt and Git, improving CI/CD reliability and reducing release time by 30%. Achieved 98% unit test coverage using Jest and React Testing Library.
Front End Developer at Epsilon, US
November 1, 2020 - January 31, 2022Developed and maintained 20+ reusable UI components using React.js, Redux, and styled-components, increasing reusability and reducing feature development time. Engineered login and user management interfaces improving load times. Created a centralized React component library and integrated RESTful APIs supporting 15,000 daily active users. Simplified state management using React Hooks and HOCs, improving code quality. Automated front-end deployment workflows, reducing release times by 30%. Led testing and debugging of UI components, cutting reported bugs by 25%. Collaborated across SDLC to deliver features with 98% test coverage.
Front End Developer at McKesson
October 31, 2020 - August 4, 2025Produced web pages using React.js and Bootstrap, optimizing UI load times and component structure for medical workflows. Crafted reusable React components, streamlining code across screens and reducing duplication. Architected front-end modules with AJAX for real-time rendering supporting large concurrent users. Implemented responsive layouts compatible with major browsers, enhancing mobile usability for internal tools. Integrated asynchronous RESTful APIs, improving data consistency under high request volume. Optimized query calls in collaboration with backend teams reducing client-side latency for form-intensive operations.
Front End Developer at McKesson, US
June 1, 2018 - October 31, 2020Formulated 30+ web pages using React.js, JavaScript, and Bootstrap improving UI load performance. Created reusable React components reducing code duplication and simplifying scalability. Led front-end development for key modules supporting 10,000+ concurrent users. Designed responsive UI ensuring cross-browser compatibility, integrated RESTful services with AJAX and JSON decreasing request failures. Built flexible form components improving validation accuracy. Contributed to SPAs with React Router boosting session duration. Coordinated with backend teams optimizing queries for reduced client response time. Supported migration of legacy front-end to React based architecture reducing maintenance overhead and accelerating new features.
Front End Developer at McKesson
June 1, 2018 - October 31, 2020Developed 30+ web pages using React.js and Bootstrap, improving load performance by 1.2 seconds. Created reusable React components reducing code duplication by 40%. Led front-end development supporting real-time data for 10,000+ concurrent users. Designed responsive UI ensuring cross-browser compatibility. Integrated RESTful services with AJAX, decreasing server request failures. Supported legacy code migration to React, reducing maintenance overhead by 18%. Coordinated database query optimization reducing client response time by 800ms.
Front End Developer at McKesson, US
June 1, 2018 - October 31, 2020Created 30+ web pages with React.js, JavaScript, and Bootstrap, improving UI load performance by 1.2 seconds. Built reusable React components reducing duplication by 40%. Led development of key modules supporting 10,000+ concurrent users. Designed responsive UIs achieving cross-browser compatibility and better mobile responsiveness. Integrated RESTful services enabling asynchronous data flow and decreased server request failures. Supported migration of legacy front-end code to React, reducing maintenance and accelerating feature rollout.
Education
Masters at Odessa State University, Ukraine
January 1, 2012 - December 31, 2012Full Stack Web Development at University of Washington
January 1, 2021 - December 31, 2021Masters in Medicine at Odessa State University, Ukraine
January 1, 2012 - December 31, 2012Full Stack Web Development at University of Washington
January 1, 2021 - December 31, 2021Full Stack Web Development at University of Washington
January 1, 2021 - December 31, 2021Masters at Odessa State University, Ukraine
January 1, 2012 - December 31, 2012Full Stack Web Development at University of Washington
January 1, 2021 - December 31, 2021Masters in Medicine at Odessa State University
January 1, 2012 - December 31, 2012Qualifications
Industry Experience
Software & Internet, Retail, Healthcare, Transportation & Logistics, Professional Services
Skills
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