About Me
Hi! I'm Liviu Moisei, a Backend Engineer based in Chisinau, Moldova with over 5 years of professional experience specializing in cloud-native solutions and distributed systems. I have extensive expertise in Java, Spring Boot, Google Cloud Platform, and microservices architecture, with solid experience in building scalable data pipelines, ETL workflows, and event-driven systems.
Summary
I hold multiple cloud certifications including Google Professional Cloud Database Engineer, Developer, Security Engineer, and Architect, as well as Confluent Certified Developer for Apache Kafka. Currently pursuing a Master's degree in Cybersecurity with a focus on Penetration Testing and Network Security.
Professional Experience
Senior Software Engineer at Grid Dynamics (January 2026 - Present)
- To be added
Software Engineer at Payforge (June 2025 - December 2025)
- Developed AI-powered financial intelligence systems for multiple UK-based payment processors
- Integrated Google AI agents for deep-dive investigations on flagged transactions
- Implemented AI-assisted merchant onboarding systems with document forgery detection
- Architected and deployed GCP data warehouse using medallion architecture
- Built cross-cloud data ingestion pipelines into BigQuery
Software Engineer at Grid Dynamics (Feb 2025 - June 2025)
- Migrated authentication infrastructure from third-party gateway to custom Keycloak-based system for major US retail chain
- Developed Cloud Run functions for authentication and authorization workflows
- Implemented OAuth2 and JWT-based authentication flows
- Established CI/CD pipelines using Bamboo for automated deployments
Software Engineer at Grid Dynamics (Apr 2024 - Feb 2025)
- Developed cloud-native inventory management solution for leading US department store chain
- Built ETL pipelines using Apache Beam and Dataflow processing millions of events daily
- Implemented synchronization mechanisms between on-premise and cloud systems
- Leveraged Spanner for globally distributed database operations with strong consistency
Software Engineer at Amdaris (May 2022 - Apr 2024)
- Built comprehensive pay disparity analysis platform for UK-based client
- Worked as full-stack developer on dashboards and backend calculation services
- Implemented features using Golang, Angular, and PostgreSQL
- Assisted in code reviews, interviews, and onboarding of new team members
Software Engineer at Crossinx (Apr 2021 - May 2022)
- Developed electronic invoice handling system for European fintech company
- Implemented microservices and desktop application using Java, Spring Boot, and JavaFX
- Built functionality for transforming invoice formats and processing data
- Participated in backlog refinement, planning, and demos
Education
Master's Degree in Cybersecurity
Technical University of Moldova (2024 - 2026)
Specializing in Penetration Testing and Network Security
Bachelor of Science in Computer Software Engineering
Technical University of Moldova (2020 - 2024)
English-Taught Honors Program, Moldova's top-rated engineering program
Certifications
• Professional Cloud Database Engineer (Google, 2025)
• Professional Cloud Developer (Google, 2025)
• Professional Cloud Security Engineer (Google, 2025)
• Professional Cloud Architect (Google, 2024)
• Confluent Certified Developer for Apache Kafka (2025)
• CompTIA Network+ ce (2024)
• CompTIA Security+ ce (2024)
• Red Hat® Certified System Administrator (2023)
• Certified Kubernetes Application Developer (2022)
• AWS Solutions Architect - Associate (2022)
• AWS Developer - Associate (2022)
• VMware Spring Professional (2021)
• Oracle Certified Professional, Java SE 8 Programmer (2021)
Technical Skills
Programming Languages
Frameworks
Cloud Platforms
Data Processing
DevOps & CI/CD
Databases
Authentication & Security
Methodologies
Languages
English: C1 (Advanced)
Romanian: Native
Russian: B2 (Upper Intermediate)
Why This Blog?
I created this blog to document my learning journey, share technical insights with the developer community, and demonstrate my continuous growth as an engineer. With a passion for learning and adapting best practices across backend, DevOps, cloud, and security, I believe in learning in public and contributing to the collective knowledge of the tech community.
Get in Touch
I'm always open to interesting conversations and opportunities. Feel free to reach out!
📧 Email: lvmoisei@gmail.com
💼 LinkedIn: liviu-moisei
💻 GitHub: github.com/MoiseiLiviu
📍 Location: Chisinau, Moldova