• Directed and empowered a cross-functional team of 4 to deliver a robust BPMS-integrated HRIS system.• Engineered a scalable HRIS with 10 modules, React.js TypeScript frontend, and PHP Laravel backend, serving 200 active organizations on-premise and cloud.• Leveraged MongoDB in a hybrid setup with MySQL, reducing queries by 10x and optimizing performance.• Devised and integrated a zero-code reporting system with ClickHouse, cutting query time from 30s to 100ms.• Implemented CI/CD pipelines with staging and production environments, reducing deployment errors by 40%.

• Collaborated with a team of 4 in designing the foundational architecture for a BPMS-integrated HRIS system, ensuring scalability and alignment with organizational goals.

• Led and evaluated feature additions and bug fixes, guiding a 4-person team to improve system performance.• Pioneered integrating e-commerce features into social media, enabling 60K accounts to sell directly via Instagram.

• Led a team of 4 to develop a custom PHP MVC framework, improving performance with PSR standards, Redis, Monolog, and Sentry integration.• Supervised social media posts, comments, and direct messages across 14 active platforms.• Delivered an automation service for social media workflows, processing 200K requests per second and automating 90% of tasks.• Developed a REST API with OAuth2, token-based authentication, and webhook to ensure reliable access to live data, achieving 99% success, with comprehensive reliability testing. Documentation.• Deployed a PWA application with React, Typescript, and Tailwind, integrating key React libraries like React Query, React Hook Form, Redux, Axios, and React Router, supporting 40K active users.• Designed a library used across web and mobile platforms, reducing development time by 50%.• Launched mobile apps with React Native and TypeScript, integrating key libraries, leading to a 10% increase in user engagement.• Pioneered Java-based Modules for date pickers, Quill.js, and Matomo, increasing app speed by 50%.• Designed an automatable CRM for user tracking and sales, managing over 30K tasks efficiently.• Configured XtraBackup and CI/CD pipelines, enhancing data integrity and reducing deployment time by 90%.• Structured PHPUnit tests with PHPStan level 8 and custom plugins, achieving 95% test coverage.

• Integrated GrowthBook for A/B testing and applied logic to product areas for 200K users.• Implemented a ticketing system with FAQs, enhancing customer support for 1.2M+ users.• Introduced a magazine system with multi-source fetching from about 10 sources, to boost user engagement.

• Migrated legacy code to Yii 2, improving security and reliability.• Improved a food delivery system with a mobile app for clients, drivers, and admins.

• Administered network infrastructure across the organization, managing 10 services, including analytics and budget management, with expertise in CCNA, CCNP, Network+, Active Directory, and MikroTik.

• Spearheaded the introduction of a customizable website builder for Insurance agents, Banks, and Brokers.• Engineered an auto-trader bot with MQ4 and REST API to simplify user interactions.

• 5 years of freelancing with PHP, C#, Java, and associated technologies.