Claudiu D.

Claudiu D.

Java Developer

Romania
Vertrouwd lid sinds 2025
23 jaar ervaring

Hij beschikt over deskundigheid op het gebied van REST API-ontwerp, de integratie van Kafka, en met behulp van Docker en Kubernetes, waarbij diepe architectonische kennis wordt gecombineerd met praktische praktijkgerichte ontwikkeling.

Claudiu heeft gedurende zijn hele carrière gewerkt in de financiële, telecom- en cyberbeveiligingsindustrieën. bijdragen aan volledige SDLC-projecten binnen gedistribueerde teams en het gebruik van Agile en RUP methodologieën. Hij levert ook uitgebreide ervaring op in CI/CD, geautomatiseerde tests en begeleiding van technische teams en ondersteunt de groei van hoogwaardige softwarelevering.

Hoofd expertise

JavaJava23 jaar
SQLSQL15 jaar
Spring BootSpring Boot10 jaar
MicroservicesMicroservices10 jaar
REST APIREST API10 jaar

Ervaring17

Senior Java Consultant

Luxoft Romania (Client: Finastra)
Financial Technology (FinTech)
May 2024 - Mar 2025 · 10m
  • Led de migratie van het Pegasusplatform van Finastra van Flink en Micronaut naar een moderne op voorjaars gebaseerde architectuur.
  • oude modules geraffineerd in schone, modulaire Java 17 codebassen, verbetering van de onderhoudsbaarheid en vermindering van de technische schuld.
  • Gestroomlijnde CI/CD-leidingen met behulp van Maven en Sonar, coderingskwaliteit en geautomatiseerde statische analyse.
  • Zorg voor consistentie en prestaties van gegevens door middel van uitgebreide regressietests en API refactoren.
  • Werk nauw samen met DevOps om bouw en ontplooiing efficiëntie in gedistribueerde omgevingen te optimaliseren.
JavaJava
Spring BootSpring Boot
MavenMaven
GitGit
SonarQubeSonarQube
Apache FlinkApache Flink

Senior Java Consultant

Orion Romania (Client: Qualcomm)
Telecommunications
Apr 2023 - Apr 2024 · 1j
  • Verbeterde backend functies voor Qualcomm's Edgewise RAN Service Automation Platform, schakel slimmere cloud-gebaseerde 5G orchestratie in.
  • Tijdens de overgang naar een microdienstenarchitectuur ontwikkelde en gemoduleerde diensten die de schaalbaarheid verbeterde.
  • Ondersteuning van niveau 3 en het oplossen van complexe backend kwesties om uptime en operationele betrouwbaarheid te waarborgen.
  • geïmplementeerde asynchrone communicatie met behulp van Kafka en ActiveMQ en toenemende verwerkingstijd.
  • Geïntegreerde toepassingen met Docker en Helm grafieken voor naadloze Kubernetes implementaties.
MySQLMySQL
MongoDBMongoDB
DockerDocker
JavaJava
Apache KafkaApache Kafka
3+
NEXTLEVELTEC

Java Developer

NEXTLEVELTEC
Information Technology (IT) and Services
Jan 2023 · 3j 9m
  • Geserveerd als een senior Java-consultant met verschillende clientprojecten, ter ondersteuning van het ontwerp, de implementatie en de optimalisatie van bedrijfstoepassingen.
  • Ontwikkeld van proof-of-concept (POC) oplossingen om nieuwe architectonische benaderingen en technologische integraties van klantensystemen te valideren.
  • Gebouwd en onderhouden microdiensten met behulp van Spring Boot en Apache Kafka, die schaalbaarheid en betrouwbaarheid garanderen.
  • Implementatie van RESTful API's en ondersteunde CI/CD workflows om de integratie tussen gedistribueerde systemen te stroomlijnen.
  • Deelgenomen aan onderhouds- en functieverbeteringen, verbetering van prestaties en stabiliteit in de productieomgeving.
  • Gezamenlijk samengewerkt met cross-functionele teams om te zorgen voor beste praktijken in code kwaliteit, documentatie en DevOps uitlijning met Kubernetes.
JavaJava
MicroservicesMicroservices
Apache KafkaApache Kafka
Spring BootSpring Boot
KubernetesKubernetes
REST APIREST API

Senior Java Consultant / Team Lead

HCL Romania (Client: HP Inc.)
Information Technology (IT) and Services
Jun 2022 - Mar 2023 · 9m
  • Ontworpen en geïmplementeerde backend functies voor HP’s enterprise printer management platform (HPI-HpOne).
  • Een 5-persoon ontwikkelaarsteam geled via de gehele SDLC, waardoor de technische uitlijning en tijdige levering wordt gewaarborgd.
  • Diensten in AWS geïntegreerd in S3 en Lambda voor schaalbare gegevensverwerking.
  • Uitgevoerde codebeoordelingen, geoptimaliseerde prestaties van microdiensten en begeleide ontwikkelaars op de beste praktijken.
  • Coördineerd met QA en DevOps om CI/CD te stroomlijnen en implementatiefouten te verminderen.
MongoDBMongoDB
DockerDocker
JavaJava
Spring BootSpring Boot
MavenMaven
4+

Senior Java Consultant

Orion Inc. (Client: Cybereason)
Cybersecurity
Jan 2022 - May 2022 · 4m

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.

JavaJava
JenkinsJenkins
Spring BootSpring Boot
MavenMaven
GitGit
VaadinVaadin

Senior Java Consultant

Atos (Client: National Bank of Belgium)
Banking and Finance
Mar 2021 - Dec 2021 · 9m

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.

DockerDocker
JavaJava
JenkinsJenkins
Spring BootSpring Boot
SpringSpring
3+
Evowise

Senior Java Developer

Evowise
Jan 2020 - Feb 2021 · 1j 1m

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.

MongoDBMongoDB
DockerDocker
JavaJava
JenkinsJenkins
MavenMaven
2+

Senior Java Developer / Application Designer

Regulaition Inc. (Client: Private Bank)
Banking and Finance
Jan 2019 - Dec 2020 · 1j 11m

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.

DockerDocker
JavaJava
MavenMaven
OracleOracle
Google CloudGoogle Cloud
Spring CloudSpring Cloud

Senior Java Consultant

All European Careers (Client: Eurostat)
Data Analytics
Feb 2018 - Dec 2018 · 10m

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.

MySQLMySQL
JavaJava
SpringSpring
MavenMaven
HibernateHibernate
3+

Senior Java Consultant

VisionGate, Inc.
Healthcare
Aug 2017 - Jan 2018 · 5m

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.

JavaJava
JenkinsJenkins
MavenMaven
XMLXML
JAX

Senior Java Consultant

IBM Romania (Client: HomeCredit China)
Banking and Finance
Jan 2017 - Jul 2017 · 6m

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.

JavaJava
JenkinsJenkins
SpringSpring
MavenMaven
HibernateHibernate
3+

Senior Java Consultant

Trivadis S.A.
Information Technology (IT) and Services
Jan 2016 - Dec 2016 · 11m

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.

MySQLMySQL
JenkinsJenkins
Spring BootSpring Boot
MavenMaven
HibernateHibernate
2+

Senior Java Consultant

Trasys S.A. (Client: European Commission – DG DEVCO)
Government and Public Services
Jan 2015 - Dec 2015 · 11m

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.

JavaJava
SpringSpring
MavenMaven
OracleOracle
GitGit

Technical Leader / Application Designer

X3.Net GmbH
Information Technology (IT) and Services
Jan 2012 - Dec 2014 · 2j 11m

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.

MySQLMySQL
ElasticSearchElasticSearch
JavaJava
SpringSpring
MavenMaven
3+

Senior Java Developer / Technical Designer

IBM Italy
Information Technology (IT) and Services
Jan 2006 - Dec 2011 · 5j 11m

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.

JavaJava
HibernateHibernate
SQLSQL
EclipseEclipse
Struts 2Struts 2
2+

Java Developer / SQL Developer

Tri-Pen Travelmaster Romania
Travel and Tourism
May 2003 - Dec 2005 · 2j 7m

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.

JavaJava
OracleOracle
XMLXML
Struts 2Struts 2

Java Developer

Finsiel Romania
Information Technology (IT) and Services
Jun 2001 - Apr 2003 · 1j 10m

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.

JavaJava
OracleOracle
JUnitJUnit
XMLXML
Struts 2Struts 2

Uitmuntendheid in techniek

Alle Java Developers die zich hebben aangemeld bij Proxify worden gescoord van 0 tot 300 op technische uitmuntendheid, een van de vijf parameters die we evalueren. Deze score weerspiegelt uitsluitend de technische uitmuntendheid, gebaseerd op interviews, huiswerkopdrachten, live coding-sessies en/of beoordelingen van de werkprestatie. De curve laat zien hoe alle geëvalueerde Java Developers verdeeld zijn over dat bereik, waar onze acceptatiedrempel voor deze parameter ligt, en waar Claudiu zich bevindt.

050100150200250300Engineering excellence scoreShare of engineersmedianmeanProxifyacceptancethreshold
Claudiu
Score 219 · Top 3% of engineers

Educatie

ICO
IT College of Bucharest University
Computer Science1998 - 2001

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