SpirosVatikiotis.info

"I build exceptional digital experiences, crafting efficient and scalable applications.."

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About Me

I am a ..

Software Engineer with a solid background in IT operations and technical support, now specializing in full-stack software development, cloud-native solutions, and enterprise integration.


With Skills & Expertise in..

full-stack development using Java and JavaScript/TypeScript (React, Next.js), working with databases like MySQL, PostgreSQL, MongoDB, and Microsoft SQL Server. Experienced in cloud platforms such as Microsoft Azure and container orchestration with Kubernetes and Docker, including AWS Kubernetes and Helm for deployment management. Proficient in frameworks and tools like Spring Boot, Maven, Bonita BPM, Alfresco, and WSO2 Identity Server. Skilled in data visualization and monitoring with Power BI, Grafana, and Prometheus. Strong background in backend interoperability, microservices architecture, API integration, and workflow automation. Deep knowledge of enterprise content management, regulatory compliance (AML, GDPR), and domains like patent filing and online gaming compliance.


Leadership & Optimization skills..

With a strong background in team leadership, technical support, and process optimization, driving high-quality service delivery, operational excellence, and digital transformation initiatives.

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Skills

Projects

Project 1

OBI – Hellenic Industrial Property Organisation

  • Designed and implemented enterprise content management applications to enhance digital workflows and content accessibility.
  • Maintained and improved microservices-based applications utilizing MongoDB, Bonita, and Alfresco.
  • Contributed to the full-stack development of cloud-native workflow management applications for patent filing.
  • Designed and developed interactive dashboards and data visualizations using React, to provide actionable insights into submissions, payments, and user activity
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Project 2

EEΕΠ - Hellenic Gaming Commission

  • Designed and implemented SQL query scenarios to analyze and monitor player activity on online betting platforms as part of the Anti-Money Laundering (AML) program.
  • Deployed and configured MoveIt Automation to streamline large-scale workloads and optimize data collection
  • Designed and developed Power BI dashboards for large-scale data visualization and analytical insights.
  • Developed and deployed a Spring Boot microservice for automated data ingestion and validation of player registration files from multiple gaming licensees, implementing Drools Rules Engine for business rule enforcement and regulatory compliance.
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Project 3

EUIPO - European Union Intellectual Property Office

  • Implemented back-end interoperability and dataflows in Java, ensuring seamless integration between distinct IT systems deployed on Kubernetes.
  • Developed and maintained Spring Boot/React applications and Java portlets for the EUIPO project in collaboration with Netcompany Intrasoft, focusing on Enterprise Content Management solutions
  • Architected and deployed EUIPO's user management platform with SCIM-based user/group/role administration, OIDC authentication integration, and modern React/Next.js frontend, providing complete user lifecycle management capabilities.
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Beyond Gravity Fitness Hub

Beyond Gravity Fitness Hub

  • Architected and developed a modern, multilingual fitness studio website for Beyond Gravity, implementing an internationalization system with real-time language switching (English/Greek) and localStorage-based preference persistence, ensuring seamless bilingual user experience.
  • Engineered performance-optimized frontend architecture utilizing IntersectionObserver API for lazy image loading and critical resource preloading, resulting in improved page load times and enhanced user experience across devices.
  • Implemented comprehensive SEO infrastructure with structured data (JSON-LD) for LocalBusiness schema, Open Graph and Twitter Card meta tags, and semantic HTML5 markup, ensuring optimal search engine visibility and social media integration.
  • Developed responsive, mobile-first design with custom smooth scrolling navigation, accessible gallery modal system, and progressive form validation integrated with Formspree API, providing complete appointment booking functionality.
  • Integrated modern web accessibility standards including ARIA labels, keyboard navigation support, and reduced motion preferences, ensuring WCAG compliance and inclusive user experience.
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