Sassi Hamdi

Designing and building a GDPR-by-design predictive platform to help hospitals anticipate staffing shortages using Java/Spring Boot microservices, React, AWS, and Kubernetes. Implemented field-level encryption, role-based access control, and immutable audit trails for sensitive workforce data.

Designed a high-availability RegTech platform for NIS2 compliance, engineered an immutable WORM ledger and Regulatory State Graph, and built the DevSecOps pipeline with Terraform and GitHub Actions.

Architected Java microservices with Apache Ignite caching and a React/WebSocket frontend for a high-concurrency platform. Built event-driven services for payment and data flows compliant with PCI-DSS and GDPR.

Mentored aspiring engineers in a full-stack program through code reviews and architecture guidance.

Cut P99 API latency by 30% on a 250 GB ML feature store by moving hot data paths from Redis to Apache Ignite. Built and operated Java 17/Spring Boot services on Kubernetes with autoscaling, A/B traffic routing, and monitoring.

Delivered applications for fintech, e-commerce, SaaS, betting, and edtech clients using Java/Spring Boot, Node.js, React/TypeScript, PostgreSQL, Docker, and AWS, including Stripe and KYC integrations. Maintained a 100% Job Success Score and 5-star client reviews.

Ran manual and automated security audits of Solidity smart contracts (ERC-20/ERC-721, bridges, staking) with Slither and MythX; identified 10 critical vulnerabilities and delivered threat models, remediation guidance, and patches.

Contributed to a PCI-compliant financial analytics platform handling about 5,000 requests per minute using Java/Spring Boot, PostgreSQL, Redis, Docker, and Kubernetes on AWS/OCI. Supported low-latency caching with Apache Ignite.

Earned the Foundations of Cybersecurity certification, covering core cybersecurity principles and practices.

Completed the Data Privacy Fundamentals certification, focusing on data protection and privacy regulations.

Completed the Software Architecture certification, focusing on architectural design and best practices.

Earned the LLMOps certification, covering operational practices for large language models.

Completed the Introduction to Generative AI certification, covering generative AI concepts and applications.

Earned the Containers & Kubernetes Essentials certification, covering containerization and Kubernetes fundamentals.

Completed a Diploma in Software Engineering, focusing on full-stack development and engineering practices, concurrently with the BSc.

Pursued a Bachelor of Science in Computer Science, covering core computer science topics and practical software development skills.