Senior Java Software Developer

Creating Android applications using custom bluetooth packets

Creating an Android game, which is currently still available on Google Play Store

Designing & implementing Java backend APIs

Designing & optimizing SQL based database table relations (MySQL, PostgreSQL)

Efficiently refactoring source code of existing codebases

Improving the performance of Java applications by replacing their most CPU intensive parts to use code written in C++ and invoked from Java code using the JNI specification

Installing, configuring & debugging Linux applications

Intercepting the packet stream of existing Java applications and modifying it (using Netty pipelines)

Reverse engineering projects with unavailable / lost source codes

Solving various tasks using MVC & OOP concepts

Working with big existing code bases

Working with NoSQL databases (MongoDB)

Creating JIRA tasks & updating Confluence wiki pages

Designing, coding & deploying backend components of a globally used  GPS navigation system using Java Spring Boot, Apache Flink & Kafka

Writing automated tests, using JUnit & Mockito framework

Designing, coding, testing & deploying an Angular frontend for the Spring Boot backend

Designing Java backend APIs

Reviewing & monitoring the work of team members

Guiding team members for improving their code quality

Delegating tasks to team members based on their experience and the client’s priorities

Detecting & fixing critical bugs

Deploying the work of team members to higher environments