Alin Vărzaru

Senior Java Developer at Amwell
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Contact Information
us****@****om
(386) 825-5501
Location
Hilversum, North Holland, Netherlands, NL

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Bio

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Credentials

  • VMware Spring Professional 2021
    VMware
    Aug, 2021
    - Nov, 2024
  • Oracle Certified Professional: Java SE 11 Developer
    Oracle
    Sep, 2020
    - Nov, 2024

Experience

    • United States
    • Hospitals and Health Care
    • 700 & Above Employee
    • Senior Java Developer
      • Sep 2021 - Present

    • Israel
    • Computer Games
    • 700 & Above Employee
    • Java Developer
      • Dec 2020 - Sep 2021

      Using Java 11, Spring Boot + Spring Cloud + Spring Reactor with Kafka, ELK stack and Grafana to build new features for the top Social Poker mobile and web game: WSOP. Top-to-bottom Reactive Microservices with both SQL and noSQL databases that are deployed to a private datacenter with CD pipelines build with Kubernetes, Helm, Jenkins, Artifactory, BitBucket. Building new features directly as microservices but also helping to migrate the legacy monolith to a microservices architecture. Show less

    • Netherlands
    • Banking
    • 700 & Above Employee
    • Scala Development Engineer
      • Nov 2019 - Dec 2020

      Using Scala and Java over Spring with Kafka, the ELK stack and Prometheus in a CI/CD ecosystem to build a Stateless Aggregator Microservice responsible for aggregating external bank accounts under a single roof, offering a centralised / unified digital banking experience for multiple countries. Together with my team we have succeeded in bringing from the ground up to Production a stateless microservice built with Spring in an Event-driven environment. The communication between applications follows a Zero-Trust Policy, implying mutual TLS and several JWTs for Authentication and Authorisation. Kafka events processed and generated are using Avro schemas that we built for each scenario; monitoring setup is a Prometheus, AlertManager, Grafana stack and the logging is exported with Kafka to an ELK stack. Some DevOps tasks were also part of the job like tasks for integrating with the provided Jenkins pipelines and configuring the project’s Ansible builds. Being in a banking environment, testing is a central part of every step, besides the mandatory unit and integration tests, I also manage Performance tests, Smoke tests and Contract tests. Show less

    • Switzerland
    • IT Services and IT Consulting
    • 700 & Above Employee
    • Java Software Developer
      • Jun 2018 - Nov 2019

      Writing Unit Tests and bug fixes. Gained extensive experience with PowerMockito / Mockito / Junit testing stack. Working with Maven, SVN, Jenkins, ReviewBoard. Working with VisualVM to profile the JVM and optimizing the memory footprint of the tests with up to 90% less memory used in some cases, which led to faster builds.

    • Java Software Developer
      • Jul 2018 - Sep 2018

      On-site project ramp-up. Writing Unit Tests and bug fixes in an Embedded Context.

Education

  • Academy+Plus - Coding School
    C, Java, PHP, HTML / CSS , Unix, Algorithms
    2017 - 2018
  • InfoAcademy - Java Coding School
    Java Programming
    2018 -
  • DevHacks Java / Android 24h Marathon
    2017 -
  • BIT Academy - Coding and Networking School
    CCNA Networking
    2017 -
  • Absolute School - IT and Graphics School
    2017 -
  • Faculty of Horticulture - Universitatea de Științe Agronomice și Medicină Veterinară din București
    2014 - 2022
  • Faculty of Automatic Control and Computers - University POLITEHNICA of Bucharest
    2005 - 2007

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