Razvan I.

Bitdefender is a global cybersecurity company providing security solutions for enterprises and consumers.

• Designed and developed backend services for a large-scale cybersecurity platform using a microservices architecture
• Built and maintained services in PHP, Node.js, TypeScript, and Python to support scalable and high-performance security systems
• Improved system reliability, fault tolerance, and performance across cloud-based services
• Implemented and optimized data persistence and caching strategies using MongoDB and Redis
• Contributed to code reviews and technical discussions while mentoring junior engineers

Regista develops digital platforms for public administration, helping government institutions digitize workflows and document management.

• Maintained and expanded one of Romania’s largest digital registry platforms used by public sector institutions
• Applied Domain-Driven Design principles to structure new modules and services
• Led technical planning with business analysts to define implementation strategies and estimate project scope
• Refactored a legacy Zend Framework application and migrated parts of the platform to Symfony 4
• Optimized application performance and database queries while reducing infrastructure costs
• Introduced improvements in development workflows, code quality, and team delivery processes
• Implemented analytics and monitoring to support platform insights

Worked as part of the Zitec delivery team on enterprise Pimcore projects for Elements.at, an Austrian digital agency serving international brands including Bosch, Audi, Cybex, and Wanzl. Obtained and maintained Pimcore Developer Certification as a prerequisite for working on client projects.

• Designed and implemented business-critical features for enterprise clients.
• Developed REST API integrations with external service providers.
• Translated business requirements into scalable technical solutions.
• Maintained and extended large-scale Pimcore applications used by international organizations.
• Participated in architecture discussions, code reviews, and technical solution design.
• Delivered solutions across e-commerce, automotive, logistics, and product safety domains.

Zitec is a software development and digital transformation company delivering web and cloud solutions across multiple industries.

• Maintained and refactored a multi-service platform connecting gyms and sports enthusiasts
• Migrated legacy systems from Symfony 3 to Symfony 4 to improve maintainability and performance
• Introduced coding standards and development practices adopted across the engineering team
• Optimized infrastructure and application performance to reduce operational costs
• Implemented testing practices and contributed to system stability during periods of increased usage

DCS Plus develops enterprise travel technology platforms used by travel agencies and tour operators worldwide.

• Developed and maintained a high-volume B2B travel platform processing large volumes of booking data
• Refactored legacy codebases to follow PSR standards and a modern Zend Expressive architecture
• Designed and implemented internal REST APIs and improved existing SOAP integrations
• Optimized application performance through caching strategies and database improvements
• Enhanced authentication and authorization systems to improve security and reliability
• Contributed to code reviews and onboarding processes for new engineers

Acqua Development builds software platforms for the travel industry, focusing on booking systems and service aggregation.

• Developed a travel aggregation platform integrating multiple third-party service providers.
• Built APIs to aggregate flight data from multiple external providers and deliver standardized responses.
• Implemented booking services and integrations with payment gateways.
• Managed caching strategies and backend processes to improve application performance.
• Contributed to frontend interface development using jQuery.

Romania’s National Anti-Doping Agency monitors compliance with anti-doping regulations and supports testing and enforcement programs.

• Managed LAN and WAN infrastructure and ensured reliable network connectivity across the organization.
• Maintained system security and monitored networks for availability and potential vulnerabilities.
• Administered servers, firewalls, VPN gateways, and endpoint systems.
• Investigated and resolved technical issues reported by internal users.
• Supported infrastructure upgrades and system maintenance across network environments.