Catalin Icleanu
Senior Software Engineer | Java • Spring Boot • Microservices
Salaire / Taux journalier
Bucarest, Roumanie
Freelance
Expertises
Langues
À propos
Introduction
Senior Software Engineer with 7+ years building scalable microservices and full-stack solutions, including work at Revolut and launching SweatBuzz. Achieved 95%+ performance improvements, led 10+ TB data migrations, and drove 5000+ user acquisitions through high-impact features. Expert in Java/Spring Boot, cloud infrastructure (GCP/K8s), and delivering mission-critical solutions that directly impact business growth.
Expérience de travail
Senior Software Engineer
Artcurial
sept. 2022 - Présent
4 ans 2 mois
• Rescued critical funding round by reducing API response times from 20-30 seconds to <1 second through comprehensive full-stack optimization (95%+ performance improvement). • Led complex data migration of 10+ TB from legacy systems (FoxPro, Access, legacy SQL databases) to modern PostgreSQL using Talend, ensuring zero data loss and 99.9% integrity • Deployed and maintained cloud infrastructure on Google Cloud Platform
Software Development Engineer
Revolut
sept. 2021 - oct. 2022
1 an 2 mois
Bucarest, Roumanie
• Developed and maintained PAGOPA integration for the Italian market, enabling seamless bill and fine payments • Built scalable microservices handling high-throughput payment processing • Contributed to features that drove 5000+ new user acquisitions in the first month post-launch • Implemented monitoring and observability solutions using Kibana and Grafana • Worked in a cloud-native environment with Kubernetes orchestration and TeamCity CI/CD pipelines
Fullstack Software Engineer
WHITE BOX TECHNOLOGIES
juil. 2017 - oct. 2021
4 ans 4 mois
Bucarest, Roumanie
• Designed and developed full-stack web applications using Java Spring Boot backend and Angular frontend • Mentored 12+ junior developers, providing technical guidance and career development support leading to full-time employment
Teaching Assistant
University POLITEHNICA of Bucharest
oct. 2019 - mars 2021
1 an 6 mois
Bucarest, Roumanie
• Instructed 100+ Computer Science students in Functional Programming (Racket/Haskell), Object-Oriented Programming (Java), and C Programming fundamentals • Developed hands-on lab exercises and coding assignments that improved student comprehension scores by consistently achieving 85%+ pass rates • Mentored students in debugging techniques, algorithmic thinking, and clean code practices
Formation
University POLITEHNICA of Bucharest
Master's degree, Advanced Security Systems
University POLITEHNICA of Bucharest
Bachelor's degree, Computer Science