Claudiu D.

• Havforskningsinstituttet hadde en moderne arkitektur og en moderne Spring Boot-basert arkitektur med Pegasus-plattformen fra Flink og Micronaut til Finastra.
• Refaktorerte moduler i oppdaterte, moduler, modulære kodebaser av Java 17, å forbedre vedlikeholdstilpasningen og redusere teknisk gjeld.
• Effektiviserte CI/CD-rørledninger ved hjelp av Maven og Sonar, som tvinger kodekvalitet og automatisert statisk analyse.
• Sikre konsistens og ytelse i data gjennom omfattende regresjonstesting og API refaktorering.
• Samarbeid tett med DevOps for å optimalisere effektiviteten i ombygde omgivelser (bygg og anlegg).

• Forbedrede baksidefunksjoner for Edgewise RAN Service Automation Platform, slik at det blir mulig å smartere sky-basert 5G orkesterplass.
• Utvikle og modulære tjenester i overgangen til en arkitektur av mikrotjenester som forbedrer skalabiliteten.
• Forutsatt støtte på nivå 3 og løste komplekse backend-problemer for å sikre oppetid og operativ pålitelighet.
• Implementasynkront kommunikasjon med Kafka og ActiveMQ som øker prosesseringen.
• Kontrollerte applikasjoner med Docker og Helm karter for sømløse Kubernetes distribusjon.

• Serveres som en Java konsulent på tvers av flere klientprosjekter for å støtte design, implementeringen og optimalisere virksomhetsapplikasjoner.
• Utbygde løsninger for å validere nye arkitektoniske tilnærminger og teknologiintegrering for klientsystemer.
• Bygget og vedlikeholdt mikrotjenester ved hjelp av Spring Boot og Apache Kafka, og sikrer skalerbarhet og pålitelighet.
• Implementerte RESTful APIer og støttede CI/CD-arbeidsprosesser for å effektivisere integrering mellom distribuerte systemer.
• Delta i vedlikeholds- og spilleoppgaver for å forbedre ytelse og stabilitet i produksjonsmiljøene.
• Samarbeidede med tverrfunksjonelle team for å sikre beste praksis i kodekvalitet, dokumentasjon og DevOps tilpassing ved hjelp av Kubernetes.

• Designe og implementerte backend funksjoner for HPs ledelsesplattform for bedrifter (HPI-HpOne).
• Led a 5 person developer team gjennom hele SDLC, noe som sikrer teknisk samordning og rettidig levering.
• Distribuerte tjenester i AWS og integrert S3 og Lambda for skalerbar databehandling.
• Utførte koderegjennomganger, optimalisert mikrotjenesters ytelse og veiledede utviklere når det gjelder beste praksis.
• Koordinert med QA og DevOps for å effektivisere CI/CD og redusere distribusjonsfeil.

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.