Now You Know
Description: A scalable online education platform offering video courses across a wide range of subjects. The system includes detailed analytics for user engagement, personalized content delivery, and training status tracking across social media. Designed with a microservices architecture using Rust and Python, the platform ensures high performance and reliability through asynchronous processing, data pipelines, and advanced analytics tooling. Cloud infrastructure was deployed and monitored using AWS services and Kubernetes.
Responsibilities: Designing the internal system architecture using Hexagonal and Service-Oriented approaches; Developing the product management module for course creation, updates, and tracking; Implementing analytical data processing to monitor user training status across social media platforms; Designing and managing data storage systems for structured and semi-structured data; Deploying and maintaining cloud infrastructure with Kubernetes and AWS (EKS, S3, Lambda, etc.); Configuring business analytics tools and ensuring continuous monitoring and observability; Managing CI/CD processes and supporting infrastructure scalability and reliability.
Technologies: Rust (Tokio, Cargo Lambda, Workspace, concurrency and multi-threading), Python, Node.js, TypeScript, HTML5/CSS, Custom SQL Dialect, PostgreSQL, MongoDB, React.js, Apache Airflow, DataFusion, Arrow, Parquet, AWS (EKS, S3, SNS, SQS, EFS, ElastiCache, CloudFront, EventBridge, CloudWatch, EC2, Lambda), Scaleway Cloud, Kubernetes, CI/CD, Pest.rs.
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ERP System for Footwear Manufacturing
Description: An enterprise resource planning (ERP) system developed for a shoe manufacturing company to automate and optimize operations across the full production and delivery lifecycle. The system supports real-time tracking of materials, pricing automation, supplier settlements, product logistics, and reseller billing. Built with event-driven architecture and CQRS, it ensures reliability, traceability, and modular scaling.
Responsibilities: Designing system architecture using Hexagonal Architecture, Event Sourcing, and CQRS principles; Implementing a solution for automated tracking of production resources from material intake to delivery; Developing pricing automation logic and financial workflows for supplier and reseller management; Leading and mentoring the development team throughout the project lifecycle; Configuring DevOps processes using Docker Compose and GitHub Actions; Managing cloud storage and database infrastructure for operational data.
Technologies: Node.js, TypeScript, JavaScript, GraphQL, ReactJS, Hexagonal Architecture, Event Sourcing, CQRS, ArangoDB, MongoDB, AWS S3, GitHub Actions, Docker Compose.
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ERP System for Travel Operator
Description: A modern ERP system developed for a travel company to manage tours, bookings, pricing, and operational workflows. The project included full migration from a legacy system, with a focus on scalability, modularity, and performance. Built using microservices and Domain-Driven Design (DDD) principles, the system supports secure APIs and flexible access control via a custom ABAC service.
Responsibilities: Designing a new ERP system architecture with Domain-Driven Design and microservices principles; Planning and executing seamless migration from the legacy system; Selecting the technology stack and defining core service contracts (GraphQL/REST APIs); Leading the development team and ensuring code quality across all components; Implementing key modules and coordinating integration between services; Managing CI/CD pipelines and deploying the system using OpenShift.
Technologies: Node.js, PHP, TypeScript, JavaScript, HTML/CSS, ReactPHP, RoadRunner, GraphQL, REST, JWT, Custom ABAC Service, Redis, MongoDB, GitLab CI/CD, Jenkins, OpenShift.
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Uber-like Taxi Service Platform
Description: A full-featured taxi service platform developed to support ride booking, real-time communication, driver-client matching, and billing operations. The system included a mobile app for drivers and clients, a web-based back-office interface, and a backend designed with a microservices architecture. Real-time functionality was powered by socket-based communication, and the platform supported scalable deployments via Docker Swarm.
Responsibilities: Designing the full system architecture, covering backend, back-office frontend, and mobile applications; Leading the development team and overseeing feature planning, implementation, and integration; Developing real-time communication features using WebSockets (Socket.io); Implementing secure authentication and authorization flows using JWT; Building and deploying microservices for core business logic and billing system; Managing mobile development using React Native and Expo; Setting up infrastructure and orchestrating services using Docker Swarm.
Technologies: Node.js, PHP, TypeScript, JavaScript, Laravel, Socket.io, JWT, ReactJS, React Native, Expo Framework, MongoDB, Redis, Pub/Sub, Docker Swarm.
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SafeFrontier
Description: A cloud-based service delivery platform designed to support business operations across multiple functional areas, including messaging, billing, information planning, and customer support. The platform featured a custom-built email service, contextual help modules, and push notification integration for Apple, Android, and Blackberry. Built with extensibility and integration in mind, it included SDK toolkits and developer documentation.
Responsibilities: Gathering business requirements and converting them into technical specifications for multiple platform modules; Designing and developing a custom email service with an SDK and supporting documentation; Implementing modules for client and sub-client billing, knowledge base, contextual help, and information planning; Developing and integrating push notification services for Apple, Android, and Blackberry devices; Implementing real-time communication systems using WebSockets and TCP/IP sockets; Managing data storage and operations via MySQL.
Technologies: PHP, JavaScript, HTML/CSS, Apple Push Notification Service, Android Push Service, Blackberry, WebSockets, TCP/IP Sockets, MySQL.