Marius Lungu

• Built and strengthened enterprise-grade secure file transfer system to support automated encrypted message and file exchange across multiple servers and systems

• Implemented SSL/SSH protocol handling via Maverick library for secure data transfer across HTTPS, SFTP, and FTPS channels.
• Developed AI Agents and the tools leveraging Jira API to extract project data, execute complex queries, and generate detailed Confluence reports using Confluence API
• Diagnosed root causes of critical codebase issues, fixing defects that improved system stability and performance.
• Developed AI agents and their tools for automatic diagnose the root cause of issues described in jira tickets based on just passing to it the ticket's JIRA-ID
• Developed AI agents and their tools to automatically create hotfixes for different production issues using already existing files with the fix.
• Developed AI agents that using just the JIRA-ID of a ticket it is able to deploy and setup automatically the whole environment described on the ticket, on the remote servers.
• Working with database operations across MS SQL, MySQL, and Oracle environments; resolving issues; optimizing queries; ensuring data integrity
• Optimized deployment processes through Docker-based containerization and Maven-driven build automation.
• Supported development work with Java 8, 17, and 21; Docker; Maven; XML; JSON; Mockito; JUnit; MSSQL, MySQL, and Oracle; HTTP and HTTPS; SFTP, OFTP and FTPS; SSL and SSH using Maverick library; Cocoon framework; Jira API; and Confluence API.
• Specific protocols for file transfer: AS1/AS2/AS3/AS4/EDIINT

• Reviewed code and debugged errors to improve performance.
• Collaborated in team-based, Agile environment to accomplish objectives by deadlines.
• Integrating all data systems - ACD Provider
• Integrating all data systems – WFM Provider
• Analyzing in real time data and update status based on result
• Working with team and find technical solutions for tasks assigned
• Working and collaborate with other teams for coordinate effort, gain expertise and discuss possible approaches.
• Define scopes of work for sprints and document it.
• Participated in requirements gathering and design development meetings.
• Wrote, modified and maintained software documentation and specifications.
• Contributed ideas and suggestions in team meetings and delivered updates on deadlines, designs, and enhancements.
• Estimated work hours and tracked progress using Scrum methodology.
• Managed a team of 3 developers

`Tools & Technologies

Spring Boot, Java Core, Java Streams, Spring Security, EMS,

Gerrit, Maven, Nexus, Version One, Git, Postman

implementation of system to complete online forms to obtain different papers from authorities

• Planned user interface scope, defined components, and implemented user interface
• Implementing user action flows
• Established development and test environments for execution readiness.
• Designed and implemented service business logic workflows.

Tools & Technologies :

Java Core, REST API, Spring MVC, PostgreSQL, Windows/Linux

• Directed development team execution of mobile projects, delivering fully functional applications.
• Analyzed problems through critical thinking, compared solutions, and determined decisions.
• Converted product management requests into technical tasks through task breakdown and preparation.
• Delivered application release on Google Play by contributing across design, development, and release stages while keeping cross-functional team coordination on track.

Technical stack:

• Android Jetpack: MVVM + Room + Material Design UI (MotionLayout/animations, ConstraintLayout styles/themes), RecyclerView, WorkManager
• Networking—Retrofit 2.x, OkHttpClient, REST API, JSON/XML
• Programming languages: Java, Kotlin.
• Build and Deploy: TeamCity server, Jenkins
• Managed Android development and build workflows with Android Studio, Ant, and Gradle.
• Dependency Injection (DI): Koin
• Google API, Firebase Analytics, Firebase Cloud Messaging, and Firebase Database supported app connectivity, messaging, and user data flow. Firebase services improved tracking, notifications, and database support for app performance. Google API integration strengthened app functionality across analytics and backend features.
• Building Tools: Apache Ant and Gradle
• Supported version control workflows using Git and Bitbucket.
• Improved team visibility and documentation processes with Jira and Confluence.
• Coordinated schedules to complete all tasks within deadlines.
• Agile and highly capable of absorbing new concepts quickly and efficiently
• Leveraged leadership capabilities by motivating and inspiring others
• Provided professional services and responsive support across dynamic work environment.
• Self-driven, strong personal accountability with
• Maintain proven capacity to learn quickly and adjust to new situations.

• Exhibited strong technical aptitude and application expertise resulting in optimized performance, continuous improvement recommendations and product innovation.
• Performed research to design and implement application for specifications
• deploy and configure database and database server for multi-node replication, improving scalability by factor of 3
• Implemented Tomcat server multi-node mode, raising speed and scalability by over 150%.
• Configured fail-over mechanisms to enhance application availability during failures.
• Worked alongside cross-functional development team members to assess system solution possibilities driven by evolving client requirements.

Technology Stack:

• Language: Java (Multithreading, JDBC,Java EE, JSF, Servlet, JSP )
• Web Containers/Servers: Tomcat /Jetty (install/update/configure on Linux platform).
• Database : MySQL - Install/configure/update/maintenance (backup/restore/recovery actions/ monitor servers status)
• Database - MySQL - Stored Procedures/Functions/Triggers
• Hazelcast Cache - for multi-node Tomcat deployment
• Hibernate (ORM), JPA
• XML/XSLT, JSON, Custom protocols defined
• REST API over HTTP/HTTPS, TCP/IP, UDP, RMI
• Bash Script
• Source Control: VCS, CVS,SVN, Vault, TFS, GIT
• Builds: Jenkins
• IDE: IntelliJ Idea, Eclipse, Spring Tools Suite

• Developed robust Java code for Document Management application
• Troubleshot various software issues by using debugging processes and coding techniques.
• Investigated issues and defects to determine problem root cause and formulate corrective action recommendations.

Technology Stack:

• Language Java : Swing/AWT, File I/O, Reflection,JWS, Networking (TCP/ UDP)
• IDE: Oracle JDeveloper
• WebServer: Oracle 9i
• SourceCode: VCS
• OS: Windows