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Roman
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Roman

San Jose, California, United States of America --:--:--

Roman is a seasoned Technical Leader with over 25 years of professional experience in designing, developing, and architecting both mobile and backend software applications using Java, Spring, Python and Django tech stacks. He has predominantly worked in the telecommunications industry, demonstrating his ability to work on both mobile and cloud systems. Additionally, Roman has a solid understanding of container technologies like Docker and Kubernetes and is experienced in building backend systems using microservices. Roman is an elite senior developer with a passion for technology and is always eager to learn new skills with an Architect or Lead Developer position.

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Skills
Years
1
2
3
4
5
6
7
8
9
10+
Splunk
Kubernetes
Docker
AWS
Cloud
Jira
Python
Java
DevOps
Hazelcast
Terraform
GCP
C
Spinnaker
Jenkins
Spring Framework
Linux
Javascript
Android
Bash
git
MongoDb
Mysql
Skills

2+ Years

3+ Years

4+ Years

5+ Years

6+ Years

7+ Years

9+ Years

10+ Years

Developer Personality

Independent

Collaborative

Trailblazer

Conservative

Generalist

Specialist

Planner

Doer

Idealist

Pragmatist

Abstraction

Control

100
50
0
50
100
Feature Experience

Microservices

CI/CD

API Integration and Architecture

Multi-tenancy

MODERATE
EXTENSIVE
EXPERT
Cultural Experience

Telecommunication

Social Chat

Agile

Tech Research/Advancement

MODERATE
EXTENSIVE
EXPERT
Portfolio

Symphony

Senior Software Engineer

Categories

Work Experience : 2019-2022

Senior developer on a secure communication platform. He successfully ported the backend from a single tenant to a multi tenant deployment model and performed the rewrite of monolith using micro-services. Responsible for IoC of core persistency layer such as Hazelcast, Redis and Nginx including Docker containerization.

  • Deployment time reduction from weeks to less than an hour
  • Cost reduction support of Symphony platform on AWS

Technologies: Java, Spring, GCP/AWS, MongoDB

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Deutsche Telekam T-Lans

Technical Leader

Categories

Work Experience : 2011-2018

Architectured, designed and implemented mobile as well as backend application for an earthquake early warning system in collaboration with UC Berkley. Architected, designed and implemented as Social Local Mobile application for sport events based on the Django Framework. Crowd sourced technology to capture mobile sensor information and send data to the backend for analytics. Social Local Mobile application using 3rd enabler solutions like Twilio and Tropo for communication.

Positions: Architect, Back-End, Cloud, Data, Databases, Front-End, Mobile

Technologies: Python, Java, Django, Spring, GCP, AWS, Machine Learning, MongoDB, MySQL, JavaScript, Android

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T-Mobile US

Lead Developer

Categories

Work Experience : 2009-2011

Hired as one of the first Senior Engineers to support the newly created Open Source Development Center of T-Mobile in Mountain View. He built and led the remote team through implementation of business relevant mobile applications on Android. He was responsible for the Architecture, Design, and Development of Android applications & Windows mobile platforms.

Technologies: Java, Android, Windows Mobile 6.5, SVN, Git, Maven, PeerToPeer: XMPP, SIP, Openfire, Asterisk/Freeswitch

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