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Malt Strategy
Razvan CretuRC

Razvan Cretu

Senior Software Engineer

On-demand
Bucharest, RO
15+ years
Java
Microservices
Amazon Web Services
Machine learning
Spring boot

Average response time: 1 hour

About Razvan

Senior Java Developer with 15+ years of experience building scalable backend systems in finance, healthcare and public sector. Proven track record of leading teams and delivering enterprise solutions using Java, Spring Boot, Hibernate and microservices architectures for international clients (e.g., European Commission, Oracle, IBM). Volunteered with emergency medical services in Romania. Embracing innovation and continuous improvement, with growing interest in AI/ML, cloud and blockchain technologies. Fluent in English (C1). German (B2), Italian (B2), French (B1).

  • English

    Native or bilingual

  • German

    Conversational

  • French

    Conversational

  • Italian

    Conversational

  • Romanian

    Native or bilingual

Can work on-site
Bucharest (up to 50km)

Experience

  • Independent Consultant
    Senior Software Engineer
    January 2024 - Today (2 years and 5 months)
    • • Enhanced and optimized a legacy Java backend for the Achievers project, optimizing database queries and business logic for higher performance. Refactor and reorganize multiple applications to a cloud native architecture, containerize micro-components to enable migration into cloud.
    • • Technologies: Java, Spring Boot, Spring Data, JDBC, SQL, Docker, Kubernetes
  • European Commission (DIGIT)
    Senior Backend Engineer
    March 2022 - January 2024 (1 year and 10 months)
    • • Contributed to Domibus e-Delivery platform (EU-wide secure messaging) by developing and improving scalable components. Improved code coverage and integration tests. Collaborated in Agile team, conducting code reviews and establishing CI/CD pipelines (Bamboo, Git) for automated builds and tests.
    • • Refactored and optimized a large Ansible codebase for automated building and deployment of the large application to Microsoft Azure cloud
    • • Technologies: Java, Spring, Java EE, EJB, Hibernate, REST, cloud, Ansible, Azure, Docker, AWS (EC2, ALB, EBS, EFS, S3, VPC), JMeter, MySQL, Liquibase, VisualVM, JProfiler, Bash/Shell Scripting, Linux, Cryptography, RSA, SOAP, Bamboo, Weblogic, Tomcat, Maven, Git
  • Independent Consultant
    Senior Backend Engineer Independent Consultant
    TECH
    August 2017 - February 2022 (4 years and 6 months)
    • • Child Healthcare (UK): Developed new microservices for patient data management, increasing data processing efficiency and system uptime.
    • • RAVE (USA): Built backend modules for an emergency dispatch platform, ensuring high availability and low latency under heavy load.
    • • Banking Internal Tools (Romania): Created an API Gateway application using Spring boot to improve workflows in a major Romanian bank, scaling operational efficiency.
    • • BCVI (Border Control, Visa & Immigration) (Romania & Egypt): Created the architecture and implemented components in a microservices architecture: Security (passwordless, dynamic), Payments; created a dynamic and customizable business flow platform (via annotations and AOP). Good quality delivered, excellent code coverage and reliable integration & stress tests.
    • • Technologies: Java, Spring, Spring Boot, Microservices, JWT, Redis NoSQL, Grafana, Elastic search, Liquibase, Flyway, Docker, Kubernetes, Hibernate, REST, OpenAPI, Swagger, MySQL, Oracle SQL, Java EE, Weblogic, Widfly, Tomcat, Kafka, thymeleaf, JAXB, JSON, JAX-RS, Java Crypto API, Payment systems, Mapstruct, Dagger, Lombok, Dropwizard, JDBI, Bitbucket Pipelines, Spring Security, Maven, Git
Check out Razvan's experience

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Education

  • AWS Certified Solutions Architect
    AWS
    2025
    AWS Certified Solutions Architect
  • Master in Computer Science
    University of Bucharest
    2009
    Master in Computer Science
Check out Razvan's education

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