Miriana (Alina) Vladu

Full Stack Developer

Miriana Vladu
Timișoara, Romania

Experience

Jan 2025 - Present
1 year 1 month

Full Stack Developer

Hedgehog Lab

  • 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 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, with deployments automated via 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.
Jan 2022 - Dec 2024
3 years

Software Developer

Worldline

  • Worked with the PaymentIQ payment orchestration platform within the Worldline ecosystem, enabling connectivity with multiple Payment Service Providers (PSPs) and payment methods through smart routing and flexible integration options.
  • Integrated selected PSPs such as BankSend, Cleo, and PagSmile into the Worldline platform, ensuring seamless API connectivity and reliable transaction processing.
  • Worked extensively with major global PSPs including Stripe, American Express (AMEX), Worldpay, and Adyen, contributing to existing integrations by adding new payment methods, fixing bugs, and enhancing API functionality.
  • Collaborated directly with payment providers to resolve technical issues, implement fixes, and ensure API compliance for secure and reliable payment operations.
  • Developed and maintained high-quality, scalable Java-based services, improving platform stability, performance, and reliability.
  • Worked closely with cross-functional teams (QA, DevOps) to deliver features on time while meeting strict security and performance standards.
  • Led comprehensive unit and integration testing using JUnit and Mockito, improving overall code reliability.
  • Mentored junior developers and actively participated in Agile ceremonies, contributing to team alignment and successful project delivery.
Jan 2021 - Dec 2022
2 years

Software Developer

Accenture

  • Worked on BMW’s Location Services project, focusing on microservices architecture.
  • Led the migration of a microservice from Java EE to Spring, ensuring a smooth transition and improved performance.
  • Developed and maintained microservices for Location Services, including extensive modifications to Points of Interest (POIs).
  • Collaborated with the team to deliver scalable and efficient solutions while adhering to Agile methodologies.
  • Conducted code reviews and implemented best practices for maintaining high code quality.
Jan 2018 - Dec 2021
4 years

Technical Engineer

Atos IT Solutions and Services

  • Developed automation applications to optimize workflows and system integrations.
  • Managed backup solutions using Dell EMC Networker.
  • Monitored and maintained IT systems, reducing operational issues and system downtime.
  • Provided technical support and troubleshooting for internal users.

Summary

A passionate software developer with a strong foundation in Java programming and the Spring framework. With a Bachelor’s and Master’s degree in Computer Science, I possess experience in both back-end and front-end technologies, developing and maintaining complex applications. Proficient in cloud services and containerization, I am highly focused on delivering robust, efficient solutions while working in cross-functional teams to ensure successful project outcomes.

Skills

  • Programming Languages: Advanced Proficiency In Java (Versions 17 And 21), Including Javascript, Typescript, Php, And Go (Golang).
  • Frameworks & Tools: Deep Expertise In Spring Boot, Spring Mvc, Spring Data, Thymeleaf, Junit, Mockito, With Extensive Experience In Build Tools Like Maven And Gradle.
  • Front-end Development: Proficient In Creating Dynamic And Responsive Interfaces Using Html, Css, Javascript, Typescript, Apache, Axios, React, Jsx And Bootstrap.
  • Api Development: Designed And Implemented High-performance Restful Apis, With Hands-on Experience Using Postman And Insomnia For Api Testing And Documentation. Proficient In Api Communication Using Protobuf (Protos).
  • Databases: Advanced Skills In Relational And Object-relational Mapping, Including Oracle, Mysql, And Postgresql, With Proficiency In Jpa And Hibernate Orm For Optimized Database Management. Experienced In Sql And Pl/sql For Designing Schemas, Creating Tables, Indexes, Triggers, And Writing Migration Scripts (Apply/fallback). Hands-on Expertise With Sql Developer For Database Design, Debugging, And Query Optimization.
  • Business Intelligence & Reporting: Business Intelligence (Bi) Concepts: Data Modeling, Kpis, Reporting Workflows, Data Preparation And Modeling For Analytical And Reporting Use Cases, Sql Optimization For Reporting And Analytics Workloads, Exposure To Bi Tools And Reporting Environments (E.g. Power Bi).
  • Version Control: Extensive Use Of Git For Source Code Management, Branch Strategies, And Collaboration.
  • Containerization & Orchestration: Solid Experience With Docker For Containerized Applications And Environments.
  • Cloud & Devops: Practical Expertise With Aws Services Including S3, Lambda, Sns, Sqs, And Cloudwatch. Automation/orchestration Using Jenkins, Docker And Ansible.
  • Operating Systems & Virtualization: Proficient In Linux System Administration, Shell Scripting, And Managing Virtualized Environments (Vms). Familiar With Citrix For Remote Access And App Virtualization.
  • Messaging & Observability: Experience With Kafka, Activemq For Message Brokering, And Monitoring/logging With Splunk And Graylog For Distributed System Observability.
  • Additional Tools: Familiarity With Redisson In-memory Data Grid, Virtualization, And Enterprise Backup And Storage Architectures.

Languages

Romanian
Native
English
Advanced
Spanish
Intermediate
German
Elementary
French
Elementary

Education

Oct 2020 - Jun 2022

Politehnica University of Timișoara

Master’s Degree in Information and Communication Technologies · Information and Communication Technologies · Timișoara, Romania

Oct 2015 - Jun 2018

Tibiscus University of Timișoara

Bachelor’s Degree in Information and Communication Technologies · Information and Communication Technologies · Timișoara, Romania

Oct 2015 - Jun 2018

West University of Timișoara

Bachelor’s Degree in Modern Languages · Modern Languages · Timișoara, Romania

Certifications & licenses

Dell EMC Certification: Associate - Cloud Infrastructure and Services Version 3.0

Dell EMC

Dell EMC Certification: Associate - Data Protection and Management Version 1.0

Dell EMC

Red Hat Linux System Administration (RH124)

Red Hat

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