
Senior Java Developer
He has expertise in REST API design, Kafka integration, and containerized deployments using Docker and Kubernetes, combining deep architectural knowledge with practical, hands-on development.
Throughout his career, Claudiu has worked across finance, telecom, and cybersecurity industries, contributing to full SDLC projects within distributed teams and employing Agile and RUP methodologies. He also brings extensive experience in CI/CD, automated testing, and mentoring, supporting the growth of engineering teams while ensuring high-quality software delivery.
Luxoft is a global digital strategy and software engineering company delivering bespoke solutions to clients across financial services, automotive, and telecom industries.
Orion Romania delivers advanced software engineering services to global clients, including telecommunications and IoT enterprises.

NEXTLEVELTEC is an IT consultancy specializing in delivering enterprise-grade software solutions and digital transformation projects for clients across multiple industries. The company provides technical expertise in backend systems, cloud architectures, and scalable microservice deployments.
HCL is a global technology company providing IT and engineering services across industries including manufacturing, banking, and hardware.
Cybereason is a cybersecurity firm offering endpoint protection and threat detection platforms for global enterprises.
Developed a Proof of Concept for the User Management Service, centralizing user creation and role assignment.
Implemented REST APIs with Spring Boot and built a Vaadin-based admin interface.
Designed modular backend architecture to ensure easy scalability and integration with existing systems.
Automated testing and deployment workflows with Jenkins and Docker.
Atos is a global IT services company providing digital transformation and enterprise software solutions.
Maintained and extended financial data submission systems for the National Bank of Belgium.
Implemented new business rules in Drools and automated document ingestion using Spring Batch.
Delivered enhancements and bug fixes within tight regulatory timelines.
Supported the migration of services to Kubernetes for improved scalability.

Evowise is a global software and marketing technology company providing cloud-based tools for communication and campaign automation.
Designed a near-real-time event processing platform using Apache Flink Stateful Functions and Druid.
Built management dashboards with Vaadin and integrated Redis caching for performance.
Led the implementation of core backend modules and API integrations.
Improved system responsiveness through async I/O and optimized event pipelines.
Regulaition Inc. develops compliance and regulatory software for banking and fintech organizations.
Co-designed architecture for a regulatory compliance platform, enabling users to identify necessary licenses and regulations.
Led a small development team throughout the implementation phase, ensuring code quality and delivery timelines.
Developed core backend services using Spring Cloud, Drools, and JPA, deployed on Google Cloud.
Created and maintained CI/CD pipelines with Docker and Maven.
All European Careers is a consultancy providing IT services to European institutions and public agencies.
Maintained and enhanced SDMX-Tools, a platform used for standardized statistical data exchange among global institutions.
Improved system stability and data consistency across MySQL and Oracle databases.
Delivered bug fixes and enhancements according to Eurostat’s strict SLA requirements.
VisionGate is a biotechnology company developing 3D cell imaging solutions for early cancer detection.
Migrated legacy Cell-CT 3D imaging platform from Java 5/AWT to Java 8/JavaFX.
Introduced Maven and Jenkins CI/CD pipelines to modernize the build system.
Improved modularization and separation of concerns for cleaner, more maintainable codebases.
Mentored the internal team on modern Java and clean code practices.
IBM is a global technology leader offering consulting, software, and AI solutions.
Provided Java EE technical leadership to onboard a new development team for the HomeCredit China project.
Supported knowledge transfer and defined coding standards across teams in Romania and China.
Assisted in building scalable enterprise modules for credit management systems.
Trivadis is a Swiss IT consultancy specializing in data, analytics, and application modernization.
Developed the ECAB insurance management platform, modernizing legacy applications.
Delivered the full dashboard module, including a custom chart component built on Vaadin Charts.
Improved UI/UX and backend efficiency for reporting modules.
Introduced Liquibase for version-controlled database migrations.
Trasys provides IT consultancy and systems integration for European institutions.
Re-implemented the DG DEVCO Audit platform, migrating from ColdFusion to Java EE.
Designed and implemented a complex business validation module using Drools.
Contributed to frontend integration with Kendo UI and Bootstrap.
Improved backend reliability and performance.
X3.Net is a German software company building enterprise communication platforms and distributed systems.
Designed architecture and oversaw development for Appstack, a modular communication platform.
Acted as a liaison between client stakeholders and the development team.
Led system design with Spring, Camel, CXF, and ActiveMQ, ensuring scalability and interoperability.
Conducted code reviews, enforced best practices, and mentored developers.
IBM Italy led the modernization of legacy ERP systems for clients across Europe.
Re-engineered ACG Vision4, transitioning from COBOL to Java-based ERP architecture.
Designed and maintained financial module components, improving reliability and maintainability.
Produced technical design documents for offshore teams in India and coordinated cross-country collaboration.
Developed Cognos reports and mentored new developers on Java methodologies.
Traveled to Bangalore to train and support the offshore development team.
Tri-Pen Travelmaster offers corporate travel reporting platforms that integrate multiple data sources.
Developed the Credit Card Data Load module to parse and validate data feeds from suppliers.
Created stored procedures and SQL scripts for reporting and analytics.
Improved automation of data ingestion workflows.
Supported migration from flat-file systems to Oracle databases.
Finsiel Romania specialized in enterprise application development for Italian government institutions.
Contributed to GISTA, a resource management system for Italy’s Department of Agriculture.
Developed and maintained core modules and UI components.
Participated in testing, debugging, and deployment of application updates.
All Senior Java Developers who have applied to Proxify are scored from 0 to 300 on engineering excellence, one of the five parameters we evaluate. This score reflects engineering excellence only, based on interviews, take-home assignments, live coding sessions, and/or on-the-job performance reviews. The curve shows how all evaluated Senior Java Developers are distributed across that range, where our acceptance threshold for this parameter sits, and where Claudiu stands.
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