10/08/2026 updated

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Full-Stack Developer

Timis, Romania
Worldwide
bachelor degree and master degree in computer science field
Timis, Romania
Worldwide
bachelor degree and master degree in computer science field

Profile attachments

CV_Miriana_Vladu.pdf

About me

Full-Stack software developer with 6+ years of experience across banking, payments and cloud platforms. Strong in Java& Spring Boot on the back end and React & TypeScript on the front end, with solid database, DevOps and Linux skills. Idesign and ship reliable, well-tested systems end to end.

Clean Code PrinciplesJava (Programming Language)Apache ActiveMQApplication Programming Interfaces (APIs)Bootstrap (Software)Cascading Style Sheets (CSS)Java Platform Enterprise Edition (J2EE)GitHubGradleHibernateJSONJUnitLinux AdministrationCitrix SystemsRed Hat Enterprise LinuxRedisMockitoAWS CLIAnsibleAmazon Simple Notification Service (SNS)SQL and Java (SQLJ)TypeScriptVirtualizationVM (Operating System)S3 BucketDocker ContainerReact.jsMysql DatabasesAWS ECSGitKubernetesAWS FargateApache KafkaFigmaReact NativeApi DesignAmazon Simple Queue Service (SQS)SplunkAWS EKS
BACK END
• Java 17/21, Java EE; Spring Boot, Spring MVC, Spring Data, Spring Security (OAuth2), Thymeleaf
• Designing and building RESTful APIs and SOAP web services (JSON, XML); solid understanding of the HTTP protocol
• JPA / Hibernate ORM, Redisson in-memory data grid
• Messaging & event streaming: Kafka, Confluent, ActiveMQ
• Microservices; migrated a microservice from Java EE to Spring

FRONT END
• React, TypeScript, JavaScript, JSX, Ant Design, Axios, HTML / CSS, Bootstrap
• Building React front ends from scratch – architecture, components, API integration
• Implementing UIs from Figma designs

DATABASES
• PostgreSQL, Oracle, MySQL; SQL and PL/SQL
• Schema design, query optimization, versioned schema & data changes with Liquibase
• Tools: pgAdmin, DBeaver, MySQL Workbench

CLOUD & DEVOPS
• AWS: S3, Lambda (incl. Go), SNS, SQS, ECR, IAM, SES, CloudWatch
• Docker, OpenShift, Jenkins, GitLab CI/CD, Ansible
• Vercel, Render, Neon (serverless PostgreSQL)

SCRIPTING & LINUX
• PowerShell scripting for automation (data exports, batch updates, environment switching); daily work in the PowerShell command line
• Strong Linux shell skills, Vim user; troubleshooting on Linux servers (former backup engineer – Dell EMC Networker)

TESTING & QUALITY
• JUnit, Mockito – unit and integration testing
• UI test automation with Robot Framework & Selenium
• SonarQube, Postman, clean code, code reviews

TOOLS
• Git (branching models), Maven, Gradle, IntelliJ IDEA, Splunk, Graylog
• AI-assisted development: GitHub Copilot, Cursor, Claude, ChatGPT

DOMAINS & OTHER
• Banking (Société Générale), payments (Worldline – PaymentIQ, PSP integrations: Stripe, Adyen, AMEX, Worldpay), fintech / stock platforms, automotive (BMW)
• Networking fundamentals: OSI model, IP configuration, routing / switching (Cisco Packet Tracer)
• Cloud, virtualization, backup and storage architectures
• Certifications: Dell EMC Cloud Infrastructure & Services, Dell EMC Data Protection & Management, Red Hat RH124

LANGUAGES
• Romanian – native, English – C2, French – B1, Spanish – B1, German – A1

Experience

Professional experience0 - 5 years
Freelancer since2020

Languages

GermanBasic knowledgeEnglishNative speakerFrenchGoodRomanianNative speakerSpanishGood

Project history

Software Developer

Alten

Internet & IT

>10.000 team member

Full-stack development for the bank's core bankingsystems: Java / Spring Boot back end and React (AntDesign) front end.
Design, query and optimize databases with pgAdmin /PostgreSQL, including schemas and migrations.
Built end-to-end UI test automation with RobotFramework & Selenium for the bank's web platform.
Wrote unit & integration tests (JUnit, Mockito) andimproved code coverage tracked in SonarQube.
DevOps & server administration: Jenkins CI/CD, Linux,remote server access, and cloud migration to AWS (S3).
AI-assisted development with GitHub Copilot.

Software Developer

Packstrap Cloud Srl
Designed and built a complete web platform for aconstruction business on my own, end to end — fromrequirements to production.
Front end in React, back end in Java / Spring Boot,connected through REST APIs.
Deployed the front end on Vercel, the back end onRender, with a Neon serverless PostgreSQL database.

Software Developer

Hedgehog Lab

Banking & Financial Services

250-500 team member

  1. Working on a financial stock-related platform as a full-stack developer in a distributed cloud-based architecture.
  2. Built and enhanced frontend components using React, TypeScript, Bootstrap, and CSS to deliver a smooth and modern user experience.
  3. Developed and extended backend services in Java and Spring, using Kafka and ActiveMQ for asynchronous communication.
  4. Utilized AWS services such as S3, SNS, SQS, and Lambda to manage cloud-based resources and workflows efficiently, automating deployments and configurations using Ansible.
  5. Implemented APIs and service interactions using Protobuf (PROTOS) for optimal performance.
  6. Monitored and debugged production issues using Splunk and Graylog, contributing to system reliability and performance optimization.
  7. Designed and implemented Oracle database schemas, tables, and migration scripts (apply/fallback) to support platform requirements.
  8. Wrote and optimized SQL/PLSQL scripts, queries, and triggers for performance and compliance.
  9. Utilized SQL Developer for database management, debugging, and optimization.

Software Developer

Worldline

Banking & Financial Services

5000-10.000 team member

  • 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.

Software Developer

Accenture

Automotive & Vehicle Manufacturing

>10.000 team member

  • 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.

Technical Engineer

Atos

Internet & IT

>10.000 team member

Built automation applications for workflows and systemintegrations.
Managed backup solutions (Dell EMC Networker) andmaintained IT systems, reducing downtime.

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