Vlas Orel
Kropyvnytskyi,Ukraine
Summary
I'm a Senior Shopify Developer with 5 years of experience building and improving online stores. I specialize in customizing themes, developing responsive storefronts, and connecting Shopify with third-party apps and tools. I work daily with Liquid, JavaScript, HTML/CSS, and modern frameworks to create clean, reliable solutions. Over the years, I've helped businesses improve site performance, streamline the shopping experience, and increase sales. I enjoy working closely with teams across design, marketing, and product to turn ideas into stores that actually deliver results.
Overview
9
9
years of professional experience
Work History
Pokeman Game Crack
Freelancers Union
Ukraine
02.2026 - 03.2026
- Self-motivated, with a strong sense of personal responsibility.
- Worked effectively in fast-paced environments.
- Skilled at working independently and collaboratively in a team environment.
- Proven ability to learn quickly and adapt to new situations.
- Worked well in a team setting, providing support and guidance.
- Worked flexible hours across night, weekend, and holiday shifts.
- Passionate about learning and committed to continual improvement.
- Strengthened communication skills through regular interactions with others.
- Used critical thinking to break down problems, evaluate solutions, and make decisions.
Senior Shopify Developer
BKThemes
Ontario, Oregon, USA
08.2023 - 07.2025
- Led the architecture and development of cloud-native microservices using Node.js, Nest.JS, and AWS, optimizing system throughput by 0% and reducing response time by 305%.
- Refactored legacy applications into scalable, maintainable cloud-native services, improving deployment speed by 50%.
- Optimized serverless architecture using AWS Lambda, reducing costs and improving scalability for event-driven services.
- Developed GraphQL APIs to reduce data transfer costs by 25% and enhance client-side performance metrics by 356%.
- Implemented Redis for caching and message queuing, reducing database load and enhancing real-time data access by 0%.
- Integrated Kafka for event-driven architecture, allowing asynchronous processing and improved system scalability.
- Improved application security by implementing OAuth 2.0 authentication, reducing unauthorized access incidents by 20%.
- Led the development of React components, ensuring a seamless, interactive user experience and optimizing performance.
- Utilized NextJS for server-side rendering (SSR), improving SEO and reducing page load times by 25%.
- Implemented Redux for complex state management, ensuring consistent data flow and enhancing the scalability of frontend applications.
- Applied Zustand for managing simpler state in lightweight components, improving performance and reducing boilerplates.
- Leveraged React Router for dynamic routing within the application, ensuring a smooth user experience across pages.
- Enhanced frontend performance using lazy loading and code splitting, reducing the initial load time by 20%.
- Ensured cross-browser and cross-platform compatibility of web applications, improving accessibility and user experience across different devices and browsers.
- Integrated React Native to build cross-platform mobile applications, enabling code reuse across iOS and Android platforms.
- Worked with both SQL (PostgreSQL) and NoSQL (MongoDB, DynamoDB) databases, creating hybrid data models that leveraged the strengths of both relational and non-relational databases for different system requirements.
- Engineered automated CI/CD pipelines with Jenkins and Docker, resulting in a 55% reduction in release cycle times and minimizing deployment errors.
- Developed and implemented unit tests using Jest and Mocha, ensuring code reliability and coverage across both frontend and backend.
- Mentored junior developers, conducting code reviews, and fostering best practices in cloud-based architecture and performance optimization.
- Collaborated with UI/UX designers to improve the overall user experience, ensuring consistency across web and mobile platforms.
- Worked with cross-functional teams to define technical solutions, gather requirements, and contribute to the overall success of SaaS projects.
Shopify Developer
Kaleto.Digital
Liverpool, Merseyside, UK
07.2020 - 06.2023
- Provided continuous maintenance, updates, and enhancements for Shopify stores.
- Monitored site performance, fixed bugs, and implemented security updates.
- Optimized store speed, ensuring a smooth user experience across all devices.
- Managed theme updates, app integrations, and troubleshooting.
- Ensured seamless Shopify version updates and API changes.
- Provided technical support for store owners, resolving issues related to checkout, payments, and third-party integrations.
- Assisted in data migration, backups, and troubleshooting database issues.
Full Stack Shopify Developer
Mastercard
05.2017 - 06.2020
- Developed and optimized Node.js backend services, ensuring high availability and performance for payment processing applications.
- Enhanced transaction security by integrating JWT authentication and OAuth2 protocols, reducing unauthorized access incidents by 15%.
- Migrated legacy systems to AWS cloud infrastructure, decreasing operational costs by 20% and improving system reliability and uptime.
- Led efforts to scale backend services, increasing request handling capacity by 50% to accommodate growing transaction volumes.
- Designed React components to improve frontend performance, enhancing the user experience and reducing load times by 25%.
- Integrated Redux for global state management across complex user flows, ensuring consistency in data representation and improving the app's scalability.
- Worked with SQL databases (PostgreSQL) for structured transaction data, optimizing complex queries and improving data retrieval speed by 30%.
- Utilized MongoDB for non-relational data storage, ensuring high availability and flexible schema management for user and product information.
- Contributed to the migration of a large-scale monolithic application to microservices architecture, improving deployment and scaling flexibility.
- Conducted code reviews, provided technical leadership, and collaborated with product teams alignment with business goals.
Education
Certificate - Programming and Web Development
Ivan Franko Zhytomyr State University
Zhytomyr, Ukraine01-2016
Skills
- Shopify Languages
- HTML, CSS, JavaScript, Liquid, Remix, React, Nodejs, PostgreSQL, A/B Testing, Github
Languages
Ukraine
English
Spanish
Timeline
Pokeman Game Crack
Freelancers Union
02.2026 - 03.2026
Senior Shopify Developer
BKThemes
08.2023 - 07.2025
Shopify Developer
Kaleto.Digital
07.2020 - 06.2023
Full Stack Shopify Developer
Mastercard
05.2017 - 06.2020
Certificate - Programming and Web Development
Ivan Franko Zhytomyr State University