11/06/2025 updated
100 % available
Java Developer
Timis, Romania
Worldwide
bachelor degree and master degree in computer science fieldHTMLJava (Programming Language)PHP (Programming Language)Apache ActiveMQApplication Programming Interfaces (APIs)Amazon Web ServicesAmazon S3Apache HTTP ServerBackup DevicesBootstrap (Software)Cascading Style Sheets (CSS)Cloud ComputingRelational DatabasesLinuxEnglishJava Platform Enterprise Edition (J2EE)EspañolFrenchGermanGithubGradleVim (Text Editor)Hypertext Transfer Protocols (HTTP)Hibernate (Java)IntelliJ IDEAOSI ModelsJava Persistence APISpring FrameworkJSONJunitLinux AdministrationLinux ServersUnix ShellApache MavenMySQLModel View Controller (MVC)Citrix SystemsRed Hat Enterprise LinuxRedisMockitoAws Command Line Interface (CLI)AnsibleAmazon Simple Notification Service (SNS)SQL and Java (SQLJ)TypeScriptVirtualizationVM (Operating System)Web ServicesExtensible Markup Language (XML)Network RoutersS3 BucketDocker ContainerMysql DatabasesAWS LambdaAWS ECSGitContainerizationKubernetesStorage TechnologiesAWS FargateApache KafkaReact NativeApi DesignCloudwatchRestful ApiAmazon Simple Queue Service (SQS)SplunkAWS EKSCiscoDockerJenkinsGolang
Working with Java EE. - Solid understanding of HTTP protocol, experienced in building RESTful API's. Used Postman as a client. - Involved in writing application level code to interact with APIs, Web Services using JSON and XML. - Spring framework(Boot, MVC, Data, Thymeleaf, etc) - JUnit for testing - IDE IntelliJ IDEA. - Working with Redisson in-memory data grid. - Working with Java Persistence API(JPA) and Hibernate ORM. - Working with mySQL and PosgreSQL relational database, using tools like Workbench, DBeaver. - Built Java applications using Maven and Gradle. - Working with Jenkins, building and deploying applications. - Proficient in using AWS(Amazon Web Services) services like CloudWatch, S3, AWS lambda(working in GoLang). - Working with Docker containerization platform. - Knowledge of HTML, CSS, PHP, Apache. - Strong knowledge of Linux shell commands. Vim user, ability to troubleshoot on linux environments as I worked on linux servers as a backup engineer. - Solid understanding of git, understanding various branching models, etc - Knowledge about OSI layers, IP configuration, router/switch in Cisco Packet Tracer and not only. - Familiarity with Cloud, Virtualization, Backup and Storage architectures. - Languages: English B2, French A2, Spanish A2, German A1.
Languages
GermanBasic knowledgeEnglishNative speakerFrenchBasic knowledgeRomanianNative speakerSpanishGood
Project history
- Working on a financial stock-related platform as a full-stack developer in a distributed cloud-based architecture.
- Built and enhanced frontend components using React, TypeScript, Bootstrap, and CSS to deliver a smooth and modern user experience.
- Developed and extended backend services in Java and Spring, using Kafka and ActiveMQ for asynchronous communication.
- Utilized AWS services such as S3, SNS, SQS, and Lambda to manage cloud-based resources and workflows efficiently, automating deployments and configurations using Ansible.
- Implemented APIs and service interactions using Protobuf (PROTOS) for optimal performance.
- Monitored and debugged production issues using Splunk and Graylog, contributing to system reliability and performance optimization.
- Designed and implemented Oracle database schemas, tables, and migration scripts (apply/fallback) to support platform requirements.
- Wrote and optimized SQL/PLSQL scripts, queries, and triggers for performance and compliance.
- Utilized SQL Developer for database management, debugging, and optimization.
- Integration of Payment Providers: Successfully integrated multiple payment providers into the Worldline platform, ensuring smooth transactions by adhering to API specifications.
- Code Quality and Optimization: Developed and maintained scalable, maintainable code in Java and Spring Framework, enhancing platform stability.
- Collaboration and Cross-functional Teamwork: Worked closely with product management, QA, and DevOps to deliver features on schedule while maintaining performance and security standards.
- Testing and Debugging: Implemented testing procedures using JUnit and Mockito, reducing bugs and improving code reliability.
- Mentorship and Knowledge Sharing: Mentored junior developers and led sessions on Spring Boot and microservices, fostering team development.
- Agile Methodologies: Actively participated in Agile ceremonies, contributing to sprint goals and team productivity.
- Microservices Development: Played a key role in designing, developing, and maintaining microservices-based applications using Java EE and Spring Boot, focusing on modularity and scalability.
- Location Services Enhancements: Developed and optimized features within the Location Services domain, improving data accuracy and performance for end-users.
- Performance Optimization: Ensured high performance, quality, and responsiveness of applications by identifying bottlenecks, debugging issues, and implementing efficient solutions.
- Agile Collaboration: Actively participated in Agile practices, collaborating with cross-functional teams to deliver new features and maintain existing services.
- Feature Development: Created and enhanced functionalities tailored to client requirements, significantly improving the user experience and service reliability.
- Code Quality Assurance: Conducted thorough code reviews and championed the adoption of best practices, fostering a culture of high-quality development standards.