Sokratis Karagiannis
Hi, I'm Sokratis Karagiannis, a Full-stack Developer and Blockchain Engineer with over 9 years of experience building robust Web3 systems and deploying smart contracts.
About
Hi, I’m Sokratis Karagiannis, a Full-stack Developer and Blockchain Engineer with over 9 years of experience building robust Web3 systems and deploying smart contracts. I have a strong passion for developing decentralized applications that are secure, scalable, and solve real-world problems. I enjoy collaborating with teams to break down complex technical challenges into clear documentation and actionable plans to foster rapid product growth.
Throughout my career, I’ve worked across a variety of projects, from blockchain integration in medical applications to wildfire prevention technology, always striving to deliver efficient and reliable solutions. I’m proactive and customer-focused, ensuring I communicate technical concepts in friendly, understandable ways to stakeholders and end-users alike.
- 12 years' experience
- Joined July 2025
Skills· 14
Languages
- JavaneseAdvanced
Industry experience
- Software & Internet
- Healthcare
- Energy & Utilities
- Gaming
- Professional Services
Work experience· 24 roles
Developed server-side logic, databases, and APIs to support applications. Designed, implemented, and optimized databases for efficient data management. Worked on both frontend and backend development tasks. Led and participated in security audits and compliance assessments. Managed cybersecurity initiatives to ensure the protection of critical systems and data.
Engineered hardware platforms with cameras and thermal sensors running on AWS EC2 for real-time wildfire detection. Developed Python-based flight control software integrated with AWS S3 and Lambda for scalable analytics and machine learning. Conducted field testing aligned with emergency frameworks to guarantee reliable system performance. Led the full technical cycle from concept to production, delivering robust solutions to over 10 stakeholders.
Built APIs and backend services with Python for secure data processing. Designed secure and scalable blockchain architectures for medical applications, leveraging AWS Lambda for efficient data workflows. Deployed Solidity smart contracts with AWS S3 for secure storage. Researched blockchain integration beyond medical data to enhance adaptability and scalability. Supported end-users by troubleshooting blockchain-related technical issues. Communicated complex concepts in user-friendly terms to non-technical stakeholders to ensure clear understanding of system updates.
Education
Certifications and awards· 12
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