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Hi, I'm Juraj Pusic, a Senior Full Stack Developer with over nine years of experience crafting scalable web and e-commerce solutions. I specialize in technologies like React, Node.js, PHP, and Shopify, and I enjoy working across both front-end and back-end development to create seamless user experiences and robust backend systems. I'm passionate about optimizing performance and integrating cloud platforms such as AWS and GCP to build reliable and efficient applications. I thrive in Agile environments, utilizing DevOps practices and CI/CD pipelines to ensure smooth and timely project deliveries.…Hi, I'm Juraj Pusic, a Senior Full Stack Developer with over nine years of experience crafting scalable web and e-commerce solutions. I specialize in technologies like React, Node.js, PHP, and Shopify, and I enjoy working across both front-end and back-end development to create seamless user experiences and robust backend systems. I'm passionate about optimizing performance and integrating cloud platforms such as AWS and GCP to build reliable and efficient applications. I thrive in Agile environments, utilizing DevOps practices and CI/CD pipelines to ensure smooth and timely project deliveries.

Juraj Pusic

Full Stack Developer, AI Engineer, Data Scientist, +7

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Hi, I'm Juraj Pusic, a Senior Full Stack Developer with over nine years of experience crafting scalable web and e-commerce solutions. I specialize in technologies like React, Node.js, PHP, and Shopify, and I enjoy working across both front-end and back-end development to create seamless user experiences and robust backend systems. I'm passionate about optimizing performance and integrating cloud platforms such as AWS and GCP to build reliable and efficient applications. I thrive in Agile environments, utilizing DevOps practices and CI/CD pipelines to ensure smooth and timely project deliveries.…Hi, I'm Juraj Pusic, a Senior Full Stack Developer with over nine years of experience crafting scalable web and e-commerce solutions. I specialize in technologies like React, Node.js, PHP, and Shopify, and I enjoy working across both front-end and back-end development to create seamless user experiences and robust backend systems. I'm passionate about optimizing performance and integrating cloud platforms such as AWS and GCP to build reliable and efficient applications. I thrive in Agile environments, utilizing DevOps practices and CI/CD pipelines to ensure smooth and timely project deliveries.

Available to hire

Hi, I’m Juraj Pusic, a Senior Full Stack Developer with over nine years of experience crafting scalable web and e-commerce solutions. I specialize in technologies like React, Node.js, PHP, and Shopify, and I enjoy working across both front-end and back-end development to create seamless user experiences and robust backend systems.

I’m passionate about optimizing performance and integrating cloud platforms such as AWS and GCP to build reliable and efficient applications. I thrive in Agile environments, utilizing DevOps practices and CI/CD pipelines to ensure smooth and timely project deliveries.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Intermediate

English

Advanced

Work Experience

Senior Full Stack Developer at Nowy

October 1, 2023 - February 28, 2025

Led front-end development using React and Tailwind UI, improving development speed by 30%. Enhanced back-end Node.js functionality, cutting development time by 30% while maintaining consistency with team standards. Designed scalable data models and optimized SQL queries in BigQuery, boosting reporting speed by 35%. Consolidated APIs and database queries to improve performance by 40%. Scaled user authorization and notification systems using Redis, Scylla, and RabbitMQ, supporting over 100,000 users and managing a 150% user surge with AWS migration. Developed e-commerce components integrating Stripe, Coinbase, and Betray, increasing payment reliability by 50%. Established a comprehensive suite of automated tests reducing testing time by 40%. Managed project tasks with JIRA, increasing efficiency and ensuring timely project completion.

Full Stack Developer at Searchlight

June 1, 2021 - September 30, 2023

Achieved PCI DSS Level 1 compliance through SSL/TLS encryption and tokenization to secure sensitive data. Increased transaction capacity by 200% via optimized MongoDB queries with zero downtime. Improved user satisfaction by 30% through a responsive React interface with real-time updates. Reduced fraud by 40% using detection algorithms including velocity checks and device fingerprinting, integrating multiple payment processors. Built secure e-commerce checkout flows with 3D Secure and Stripe integration. Integrated generative AI into workflows, enhancing user engagement and personalization. Architected scalable cloud infrastructure on GCP and Azure, maintaining 99.9% uptime and supporting over 1 million monthly transactions.

Full Stack Developer at Luckycloud GmbH

January 1, 2019 - May 31, 2021

Streamlined React integration with multiple UI libraries such as Ant Design and Tailwind CSS, improving usability and consistency. Utilized Redux Toolkit to reduce boilerplate by 60%, enhancing state management. Implemented React with TypeScript to decrease runtime errors by 30%. Integrated payment gateway Stripe and third-party APIs, enabling over 5,000 monthly online transactions. Improved RESTful API data handling by 35% using Node.js and Express.js. Established code quality and testing best practices with Jest and Cypress, increasing test coverage to 90% and reducing bugs by 40%. Contributed to Agile processes using JIRA, improving sprint goal achievement by 25%.

Junior Web Developer at Viva Grupa

June 1, 2016 - December 31, 2018

Developed multiple WordPress websites with custom themes and shortcodes for local businesses. Assisted with MySQL database design and optimization, improving query performance by 15%. Worked on WooCommerce setup and optimization to enhance page load times and user experience. Created admin tools, user roles, and analytics dashboards within WordPress using PHP.