Dennis – Python, React, Typescript

This project was launched to empower small and medium-sized businesses with innovative web development, strategic consulting, and high-impact digital design. The mission is to provide international companies with high-quality software products and drive digital transformation through developing & adapting cutting-edge Ai solutions for complex business requirements.

• Demonstrated initiative and drive by supporting small and medium-sized businesses with cutting-edge digital strategies;
• Leveraged deep business insights to offer innovative web design, development, and targeted Ai solution implementation;
• Embraced modern digital tools and platforms to deliver impactful and high-quality software solutions;
• Tailored digital strategies to meet diverse business needs, ensuring each client received personalized and effective support.
• Responsible for entire product lifecycle, from architecture design, to implementation using a wide array of technologies.

A community-driven platform for discovering and sharing family-friendly, unique local experiences. It connects travelers with authentic adventures, offering personalized itineraries, curated recommendations, and influencer-driven content.

• Built a full-stack community platform with Django/DRF and React, supporting onboarding, social features, and content discovery.
• Implemented scalable microservices with Django Channels, Redis async tasks, and optimized PostgreSQL (indexes, JSONB).
• Integrated Firebase Auth with custom JWTs for secure, stateless API access and automatic user provisioning.
• Designed CI/CD pipelines via GitHub Actions with matrix testing, automated Railway.app deployments, and staging/production workflows.
• Delivered containerized infrastructure using multi-stage Docker builds, Nginx optimization, and docker-compose with 5 services.
• Developed advanced state management with Redux Toolkit, atomic design components, and comprehensive frontend testing.
• Built 25+ REST APIs with filtering, pagination, social features, and itinerary planning under strict business rules.
• Achieved 90%+ test coverage with pytest/factory-boy for backend and React Testing Library for frontend.
• Designed scalable database with UUID keys, denormalized counts, CASCADE policies, and async updates for performance.

The next generation of Virtual Desktop Infrastructure (VDI) technology, leveraging cloud infrastructure to provide seamless and secure access to resources for thousands of internal users anytime, anywhere.

• Contributed to a specialized team focused on advancing cloud virtualization capabilities using OCI resources;
• Led the CI/CD deployment strategy, including VM provisioning, resource allocation, security automation, and virtual cloud network administration;
• Designed and implemented a major architectural redesign leveraging burstable vOCPU/OCPU technology, reducing resource costs by 40% year-over-year;
• Streamlined VM resource allocation and network configuration using Terraform;
• Automated user provisioning, application installation, and bulk VM configurations with Ansible;
• Worked with the Linux kernel to enable VM deployment on ARM and AMD architectures;
• Managed deployment automation, source control, and repository management;
• Tracked bugs, resolved issues, and implemented cost and efficiency improvements using Jira based on direct user feedback;
• Documented implementation strategies in Confluence, contributed to team knowledge sharing and participated in hiring and training new team members.

The project is focused on developing a new SaaS platform designed to simplify financial reporting and compliance. The platform enables businesses to efficiently draft large and complex documents required for launching an Initial Public Offering (IPO) on the New York Stock Exchange, leveraging cutting-edge technology and deep industry expertise to streamline the process.

• Developed scalable REST APIs using Python, FastAPI, and Pydantic, leveraging asyncio for high concurrency for a live, multilayer document-editing platform;
• Designed and maintained cloud infrastructure on Microsoft Azure, utilizing Azure DevOps to build robust CI/CD pipelines with GitLab, Jenkins, Docker, and Docker Compose;
• Engineered efficient data management solutions with MongoDB and Cursor, ensuring high-performance storage and retrieval of data;
• Implemented comprehensive testing and monitoring frameworks using pytest and Datadog to ensure code quality and system reliability;
• Collaborated in an Agile team, utilizing Jira for task management and Confluence for process documentation to drive continuous improvement and effective project delivery.

The project focused on designing and implementing a national governmental cloud infrastructure to modernize public sector services. It included developing AI-powered chatbots to improve citizen interactions, reduce costs, and enhance efficiency across governmental departments. The solution optimized automation, data management, and accessibility, driving the digital transformation of public services.

• Led a team of 3 developers in creating scalable cloud-based SaaS platforms for government clients, ensuring efficient project delivery and strong communication within the team;
• Oversaw the full software development lifecycle, from gathering technical and business requirements to successful project implementation and maintenance;
• Delivered AI-powered solutions, including chatbots and intelligent document management systems, for both government and non-government clients;
• Managed and executed software projects for multinational corporations and government bodies, achieving significant improvements in customer retention (90%) and streamlining development processes;
• Applied Agile and Scrum methodologies to ensure project alignment with client goals and timely delivery of milestones;
• Conducted penetration testing to identify and address security issues in existing applications, mitigating OWASP vulnerabilities;
• Managed server architecture, worked with containerization technologies and cloud platform architecture.