Java, Kotlin Cloud Backend Developer | Spring Boot & Quarkus Expert | REST API master
Aktualisiert am 10.10.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.11.2024
Verfügbar zu: 100%
davon vor Ort: 10%
Java
Kotlin
Spring Boot
Quarkus
DevOps
Microservices
AWS
PostgreSQL
Elastic Search
Kubernetes
Docker
MySQL
Python
Go
GitLab
GitHub
Testautomatisierung
Testcontainers
OpenShift
Linux
Internet of Things
English
Verhandlungssicher
German
Fortgeschritten
French
Fortgeschritten
Slovak

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 9 months
2022-01 - now

Remote Engine Operation | CSM | Scala at (customer not public)

Senior Java/Kotlin Engineer (freelance) Java Python golang ...
Senior Java/Kotlin Engineer (freelance)
  • hundreds of microservices - IoT, edge services
  • part of the highest team from five in terms of responsibility (Core1)
  • real-time processing of engines data
Java Python golang Kotlin Spring kubernetes IntelliJ Atlassian JIRA Git GitHub Actions Spring Boot Spring Cloud kotlin coroutines VertX python Kubernetes AWS Elastic etc. MQTT
Innsbruck
2 years 9 months
2022-01 - now

CSM at (customer not public)

Senior Java/Kotlin Engineer (freelance) Java Kotlin React ...
Senior Java/Kotlin Engineer (freelance)
  • implementation of a new CSM from the ground-up
  • backend for multi platform application
  • main responsible for backend design and implementation
  • serving hundreds of thousands of insights to customer managers
Java Kotlin React Kubernetes Docker GitHub
Innsbruck
1 year 4 months
2020-09 - 2021-12

CarSHOW (Mercedes-Benz Tech Innovation)

Senior Software Engineer Kubernetes Java Python ...
Senior Software Engineer
  • creating a back-end for Mercedes-Benz showrooms (China, Europe, US)

Kubernetes
Kubernetes Java Python Golang Spring Spring Boot Spring Cloud PostgreSQL MongoDB Elasticsearch Kibana Kotlin Java13
Mercedes-Benz Tech Innovation
Ulm
2 years 5 months
2018-04 - 2020-08

SAM (adidas AG)

Senior Software Engineer Java Kotlin kubernetes ...
Senior Software Engineer
  • making retail experience exceptional in all adidas stores, including flagship stores in Paris, London.
  • designing and implementing scalable platform running in cloud for 8 iOS apps and other adidas teams
  • clean architecture, clean code, agile
  • designing DevOps pipeline
  • code review, task refinements with product owners
Spring Atlassian JIRA
Java Kotlin kubernetes Golang Atlassian JIRA Scrum
adidas
Herzogenaurach/Bratislava
6 months
2017-10 - 2018-03

AjoBot Trading Platform (DevelMagic)

Backend Engineer Python Java Spring Boot ...
Backend Engineer
  • internal trading notification platform for crypto trading
  • sentiment analysis based on NLP, quantitative analysis, chatbot
  • handling social media scraping of 1500 crypto currencies
  • semi-automated trading, chat bot, event bus.

AjoBot Trading Platform
Python Java Spring Boot python kafka scikit postgresql elasticsearch
DevelMagic
Bratislava
3 years 6 months
2014-10 - 2018-03

DMS3 (OTS AG)

Senior Java Software Engineer Java Spring Spring Boot ...
Senior Java Software Engineer
  • Java development for Bavarian banks and city municipalities
  • Project for importing 1Mio+ documents per month to DMS

DMS3
Java Spring Spring Boot Spring Cloud OpenAPI DevOps CI/CD design
OTS AG
Offenberg Neuhausen
4 years 1 month
2010-09 - 2014-09

Viptel infrastructure (VM Telecom)

Core Network Developer Java Spring Kamailio ...
Core Network Developer
  • creating wholesale/retail network infrastructure on a green field
  • handling 5Mio+ calls
  • implementation of supporting software vastly decreasing debugging time of users' issues
Java Spring Kamailio kamailio VMware SBC FreeSWITCH RADIUS NBD MySQL cluster Cisco python UI
VM Telecom
Bratislava
2 years
2008-01 - 2009-12

Multimedia & file sharing

CTO
CTO
Multimedia & file sharing Drive-like startup. 50k users, project sold
on Request
3 months
2007-07 - 2007-09

various Projects

Developer
Developer

SCK CEN Mol

Aus- und Weiterbildung

Aus- und Weiterbildung

6 years 1 month
2004-09 - 2010-09

Software Engineer

Master degree, Faculty of informatics and information technology, Bratislava
Master degree
Faculty of informatics and information technology, Bratislava

Position

Position

Currently, I am the lead backend developer for different products in the energy industry and dealing with more than 30k IoT devices. Very high code quality, great communication, and effective prototyping. OpenAPI master and committer (openapi-generator).

Kompetenzen

Kompetenzen

Top-Skills

Java Kotlin Spring Boot Quarkus DevOps Microservices AWS PostgreSQL Elastic Search Kubernetes Docker MySQL Python Go GitLab GitHub Testautomatisierung Testcontainers OpenShift Linux Internet of Things

Produkte / Standards / Erfahrungen / Methoden

PROFILE
A creative thinker, adept in software development and working with modern tech stacks:
  • customer and product obsession
  • DevOps mindset - to create, deploy, monitor, and scale
  • motivated team-player
  • With: Java, Kotlin, python, Scala, Spring Boot, Spring Cloud, VertX, Django/Flask
  • Where: AWS, Kubernetes (EKS), EC2
  • Using: Jenkins, Github Actions, Helm, ArgoCD
  • Monitoring: Grafana, Prometheus, Kibana, Logstash, Filebeat, Instana

Programmiersprachen

Kotlin
Experte
Java
Experte
Spring Boot
Experte
Python SQL
NoSQL
CI/CD

Datenbanken

mySQL
Experte
Postgresql
Experte
Cassandra
Fortgeschritten
Elasticsearch
Fortgeschritten
ClickHouse
Fortgeschritten
REDIS

Branchen

Branchen

  • automotive
  • IoT
  • energy
  • insurace

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 9 months
2022-01 - now

Remote Engine Operation | CSM | Scala at (customer not public)

Senior Java/Kotlin Engineer (freelance) Java Python golang ...
Senior Java/Kotlin Engineer (freelance)
  • hundreds of microservices - IoT, edge services
  • part of the highest team from five in terms of responsibility (Core1)
  • real-time processing of engines data
Java Python golang Kotlin Spring kubernetes IntelliJ Atlassian JIRA Git GitHub Actions Spring Boot Spring Cloud kotlin coroutines VertX python Kubernetes AWS Elastic etc. MQTT
Innsbruck
2 years 9 months
2022-01 - now

CSM at (customer not public)

Senior Java/Kotlin Engineer (freelance) Java Kotlin React ...
Senior Java/Kotlin Engineer (freelance)
  • implementation of a new CSM from the ground-up
  • backend for multi platform application
  • main responsible for backend design and implementation
  • serving hundreds of thousands of insights to customer managers
Java Kotlin React Kubernetes Docker GitHub
Innsbruck
1 year 4 months
2020-09 - 2021-12

CarSHOW (Mercedes-Benz Tech Innovation)

Senior Software Engineer Kubernetes Java Python ...
Senior Software Engineer
  • creating a back-end for Mercedes-Benz showrooms (China, Europe, US)

Kubernetes
Kubernetes Java Python Golang Spring Spring Boot Spring Cloud PostgreSQL MongoDB Elasticsearch Kibana Kotlin Java13
Mercedes-Benz Tech Innovation
Ulm
2 years 5 months
2018-04 - 2020-08

SAM (adidas AG)

Senior Software Engineer Java Kotlin kubernetes ...
Senior Software Engineer
  • making retail experience exceptional in all adidas stores, including flagship stores in Paris, London.
  • designing and implementing scalable platform running in cloud for 8 iOS apps and other adidas teams
  • clean architecture, clean code, agile
  • designing DevOps pipeline
  • code review, task refinements with product owners
Spring Atlassian JIRA
Java Kotlin kubernetes Golang Atlassian JIRA Scrum
adidas
Herzogenaurach/Bratislava
6 months
2017-10 - 2018-03

AjoBot Trading Platform (DevelMagic)

Backend Engineer Python Java Spring Boot ...
Backend Engineer
  • internal trading notification platform for crypto trading
  • sentiment analysis based on NLP, quantitative analysis, chatbot
  • handling social media scraping of 1500 crypto currencies
  • semi-automated trading, chat bot, event bus.

AjoBot Trading Platform
Python Java Spring Boot python kafka scikit postgresql elasticsearch
DevelMagic
Bratislava
3 years 6 months
2014-10 - 2018-03

DMS3 (OTS AG)

Senior Java Software Engineer Java Spring Spring Boot ...
Senior Java Software Engineer
  • Java development for Bavarian banks and city municipalities
  • Project for importing 1Mio+ documents per month to DMS

DMS3
Java Spring Spring Boot Spring Cloud OpenAPI DevOps CI/CD design
OTS AG
Offenberg Neuhausen
4 years 1 month
2010-09 - 2014-09

Viptel infrastructure (VM Telecom)

Core Network Developer Java Spring Kamailio ...
Core Network Developer
  • creating wholesale/retail network infrastructure on a green field
  • handling 5Mio+ calls
  • implementation of supporting software vastly decreasing debugging time of users' issues
Java Spring Kamailio kamailio VMware SBC FreeSWITCH RADIUS NBD MySQL cluster Cisco python UI
VM Telecom
Bratislava
2 years
2008-01 - 2009-12

Multimedia & file sharing

CTO
CTO
Multimedia & file sharing Drive-like startup. 50k users, project sold
on Request
3 months
2007-07 - 2007-09

various Projects

Developer
Developer

SCK CEN Mol

Aus- und Weiterbildung

Aus- und Weiterbildung

6 years 1 month
2004-09 - 2010-09

Software Engineer

Master degree, Faculty of informatics and information technology, Bratislava
Master degree
Faculty of informatics and information technology, Bratislava

Position

Position

Currently, I am the lead backend developer for different products in the energy industry and dealing with more than 30k IoT devices. Very high code quality, great communication, and effective prototyping. OpenAPI master and committer (openapi-generator).

Kompetenzen

Kompetenzen

Top-Skills

Java Kotlin Spring Boot Quarkus DevOps Microservices AWS PostgreSQL Elastic Search Kubernetes Docker MySQL Python Go GitLab GitHub Testautomatisierung Testcontainers OpenShift Linux Internet of Things

Produkte / Standards / Erfahrungen / Methoden

PROFILE
A creative thinker, adept in software development and working with modern tech stacks:
  • customer and product obsession
  • DevOps mindset - to create, deploy, monitor, and scale
  • motivated team-player
  • With: Java, Kotlin, python, Scala, Spring Boot, Spring Cloud, VertX, Django/Flask
  • Where: AWS, Kubernetes (EKS), EC2
  • Using: Jenkins, Github Actions, Helm, ArgoCD
  • Monitoring: Grafana, Prometheus, Kibana, Logstash, Filebeat, Instana

Programmiersprachen

Kotlin
Experte
Java
Experte
Spring Boot
Experte
Python SQL
NoSQL
CI/CD

Datenbanken

mySQL
Experte
Postgresql
Experte
Cassandra
Fortgeschritten
Elasticsearch
Fortgeschritten
ClickHouse
Fortgeschritten
REDIS

Branchen

Branchen

  • automotive
  • IoT
  • energy
  • insurace

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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