Branislav Vrtunski

• Lead a 5–6-person engineering team evolving a multi-service marketing, media and reporting platform
• Provide technical direction across approximately 5–6 services, including ms-core, ms-ui, maddata-reporting, madbuy-be and madbuy-reporting
• Shape multi-tenant architecture for campaign management, social-media data, paid advertising, analytics and reporting
• Guide delivery of Java/Spring Boot services, REST and GraphQL APIs, asynchronous pipelines, scheduled processing and external platform integrations

Tech: Java, Spring Boot, REST, GraphQL, PostgreSQL, ClickHouse, AWS, Kubernetes

• Improved BMW project development by enhancing testing and monitoring of CO₂ emissions from vehicles as a Java Enterprise expert, contributing to more accurate environmental data tracking.
• Architected, defined, and implemented an Azure Cloud (AzureDev) pipeline for automated code and dependency scanning, integrating with the OSS Review Toolkit to generate compliance reports for open-source licenses.
• Developing aftersales business web applications for Porsche AG using Java, Spring Boot, Spring Batch, Angular, Hibernate, Gradle, Tomcat, RESTful API, SOAP, ElasticSearch and DB2
• Completely rewriting, continuously improving and maintaining several applications in World Warranty System, both backends and UIs

Tech: Java, Spring Boot, Spring Batch, Angular, Hibernate, Gradle, Tomcat, RESTful API

• Developing aftersales business web applications for Porsche AG using Java, Spring Boot, Angular, Hibernate, Gradle, RESTful API, SOAP, ElasticSearch and DB2
• Completely rewriting, continuously improving and maintaining several applications in World Warranty System
• Writing project technical specifications and document specifications
• Consulting with project owner on project status, proposals and technical issues

Tech: Java, Spring Boot, Angular, Hibernate, Gradle, RESTful API, SOAP, ElasticSearch

• Development of power house energy platform with microservices architecture using Spring Boot and Spring Cloud on AWS
• Team leader for NetX application performance management platform
• Development of Autotelegraaf advertising system for automotive market
• Consulting with customers on project status, proposals and technical issues

Tech: Java 8, Java EE 7, Spring Boot, Spring Cloud, AWS, JSF, PrimeFaces, RichFaces

• Development of online digital learning system Mentor using Java EE 6, ICEfaces, JPA and Tomcat
• Development of B2B system eSquirrel commerce using Java EE 6, ICEfaces, EJB3, JPA and GlassFish Server
• Actively participated in team with more than ten members using SCRUM agile methodology with JIRA

Tech: Java EE 6, ICEfaces, JPA, EJB3, Tomcat, GlassFish Server, JIRA

• Development of payment platform PAY.ONE working on core transaction-processing engine
• Built to process massive concurrent transaction loads in high-availability environment
• Technologies used: Java, Spring Framework, Hibernate, JSP and Tomcat
• Communicated daily with project owner discussing problems and solutions

Tech: Java, Spring Framework, Hibernate, JSP, Tomcat

• Researched, designed and implemented scalable applications for information identification, extraction, analysis, retrieval and indexing
• Development of information system ISAV for Archive of Vojvodina
• Development of document management system - electronic archive for banks
• Development of PhoneArchiver for analyzing and tracking phone calls

Tech: Java, Java EE 5, JSF, JPA, Swing, GlassFish Server

AI decisioning and buying platform for digital media, connecting campaign management, analytics and reporting.

Tech: Java, Spring Boot, PostgreSQL, ClickHouse, REST, GraphQL, React, TypeScript, AWS, Kubernetes, Amazon EKS, Terraform, Argo CD, GitHub Actions, Liquibase, jOOQ, QueryDSL, Testcontainers

Aftersales business web applications developed for Porsche AG, managing global warranty processes.

Tech: Java, Spring Boot, Angular, Hibernate, Gradle, DB2, ElasticSearch, RESTful API, SOAP

Microservices-based energy performance management platform built on AWS.

Tech: Java 8, Spring Boot, Spring Cloud, AWS, JPA, Microservices