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Jonathan
Head of Systems / Senior Software Developer-Analyst
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Competencies
Demonstrated experience with TypeScript.
Demonstrated experience with JavaScript.
Demonstrated experience with Next.js.
Demonstrated experience with NestJS.
Demonstrated experience with Vite.
Education
Languages
Summary
Head of Systems / Senior Software Developer-Analyst open to new opportunities
Experience
Head of Systems / Senior Software Developer-Analyst
Led the management and development of 15+ internal business systems for a multi-brand group (restaurants, cafés, denim and haute couture), building 10+ of them from scratch and supporting 100+ users.. Built web and mobile applications (payroll, scheduling, expense management, task assignment) using TypeScript, Next.js, NestJS, Vite, PostgreSQL, MongoDB, Docker, and Expo.. Integrated internal systems with bSale and restaurant.pe for retail and restaurant operations.. Designed a centralized single sign-on (SSO) service across company systems, piloted on the expense system using feature flags.. Led planning for consolidating two Microsoft 365 tenants (about five domains) into one.. Administered databases, servers, and networks, supporting information security and system availability.. Used Cursor and Claude to accelerate development and automate business processes.. Worked with administrative and operational areas to identify technology improvements and produced technical documentation.
Cybersecurity & Infrastructure Manager
Spearheaded the end-to-end delivery lifecycle (scoping, technical solution architecture, resource allocation, and deployment) for complex technology initiatives across 20+ enterprise and government clients.. Coordinated and aligned cross-functional engineering teams to deliver secure, scalable, and high-performing technical solutions tailored to client business requirements.. Established an efficient SOC-style technical support and monitoring model with rotating team coverage, enhancing resource utilization and ensuring operational stability.. Authored technical and commercial project proposals, defining project scopes, deliverables, timelines, and financial strategies to close and execute high-impact contracts.. Directed PoC frameworks and production deployments for advanced enterprise platforms, ensuring integration with existing client infrastructure.
IT Infrastructure Manager
Directed and optimized enterprise IT infrastructure deployment and operations across a multi-site infrastructure, supporting 2,000+ end-users across the United States and Mexico.. Oversaw day-to-day IT operations and service delivery frameworks, achieving consistent SLA compliance and ensuring maximum system uptime while enforcing business continuity plans.. Managed strategic relationships and project execution with global technology vendors (Dell, Microsoft, CDW, Adobe), enhancing procurement processes and ensuring infrastructure reliability.. Led the rollout of advanced enterprise monitoring and observability platforms (SolarWinds), significantly improving system visibility and proactive incident response times.. Directed technical administration of core enterprise systems, access control matrices, and disaster recovery architectures (Veeam) to maintain operational continuity.
Business Systems Administrator
Managed IT service management processes using ServiceNow (ITSM), supporting incident resolution and service delivery efficiency.. Coordinated enterprise IT deployments across academic and administrative departments, ensuring seamless integration and system functionality.. Supported enterprise systems and infrastructure across full lifecycle phases, maintaining operational stability and service reliability.. Assisted in user access management and system configurations, strengthening security controls and improving user experience.. Collaborated with cross-functional IT teams to support infrastructure operations and enterprise system improvements.. Contributed to documentation, process standardization, and system optimization initiatives to enhance overall IT service quality.
QA Tester (League of Legends)
Executed QA testing to identify bugs, performance issues, and gameplay inconsistencies, enhancing system quality and user experience.. Performed functional and exploratory testing across different scenarios to ensure system behaviour met expected requirements.. Documented issues with clear, reproducible steps, enabling faster troubleshooting and resolution by development teams.. Validated bug fixes and confirmed system stability across releases, ensuring consistent performance and reliability.. Collaborated with technical teams and stakeholders to streamline testing cycles and drive product improvements.. Maintained quality standards in a fast-paced, production-driven environment, ensuring consistent product reliability.. Gained deep familiarity with the Software Development Lifecycle (SDLC), bug tracking, and release validation cycles.