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Profileimage by Vladislav Vorobev Software Developer / Engineer / Operations from Muenchen

Vladislav Vorob'ev

München
available

Last update: 07.04.2025

Software Developer / Engineer / Operations

Graduation: Nachrichtentechnik / Informationstechnik
Hourly-/Daily rates: show
Languages: German (Native or Bilingual) | English (Full Professional) | Russian (Native or Bilingual)

Keywords

Attachments

profile-vladislav-vorobev_070425.pdf

Skills

I am a Software Developer/Ops professional passionate about innovation, problem-solving, and continuous learning. My expertise spans Backend, Microservices, Full Stack Development, Web, IoT, Big Data, Databases, and Cloud-Native technologies.

I have experience with Agile methodologies (e.g., Scrum), TDD, SOLID principles, automated testing, code readability, and maintainability.
My primary tech stack includes Linux, Python, Hazelcast, Kafka, Airflow, FastAPI, Pyramid, Spark/pySpark, AWS Glue, Vert.x, Grails; Ops Stack including Kubernetes, Nomad, Docker, lxc in Bare-Metal and Cloud environments; DBMS’s like MySQL/MariaDB, PostgreSQL, MongoDB etc., including experience in database administration, performance tuning, backup strategies, and replication setups; UI like HTML, CSS, JavaScript;

I am actively exploring pySpark, PyTorch, TensorFlow, PyArrow, Mathlib, Blockchain, Svelte, Rust and Delta Lake.

Project history

12/2024 - Present
E-Commerce Platform with Custom Integrations, ERP Product Synchronization, and Image Processing
R&S GmbH (Consumer goods and retail, 10-50 employees)
Integration einer E-Commerce-Plattform auf Basis von Shopify mit Liquid-Templates. Entwicklung und Implementierung einer Produktverwaltungssoftware mit Echtzeit-Synchronisierung für Shopify, die nahtlose Produkt- und Bildaktualisierungen ermöglicht. Implementierung von Funktionen für das Kundenmanagement. Bereitstellung von Kubernetes-Hosting für Quelldaten, einschließlich Bilder und eines eigenen ERP-Systems.

Tech Stack:

APIs, REST API, GraphQL, Python, Pandas, Google Analytics, PyArrow, SQL, Excel, csv, Linux, Docker, Kafka, Celery, Printing, Kubernetes (Calico, MetalLB, Ingress-Nginx), Hetzner
05/2024 - 12/2024
SAP Automated Audit Framework
SAP SE (Banks and financial services, >10.000 employees)
Feature development for compliance and auditing software, focus‐
ing on improvements and code quality. Responsibilities included im‐
plementing new features, refactoring the Python codebase, and up‐
grading to newer Python and library versions. Note: Follow-up on
the project in collaboration with SAP, see Design and Development of
a Distributed Self-Audit Framework 05.2019 – 12.2022

Tec stack: FastAPI, REST API, Linux, PostgreSQL, SQLite, Docker, Google Cloud Platform (GCP),
Kubernetes, Python, Pyramid, pytest, OAuth implementation, Single Sign-On (SSO).
01/2023 - 04/2024
Software Developer Automotive
Mercedes-Benz AG (Automotive and vehicle construction, >10.000 employees)
Enhance specialized microservices-based server applications for
evaluating data from battery test benches andmigrate systems to the
cloud.

Tec stack:
Python, FastAPI, Multiprocessing, Pandas, Arrow, Windows,
Linux, Docker, Azure (Databrics, Blobs, VM’s, SQL, Spark, etc.),
Svelte, MongoDB.
05/2019 - 12/2023
Design and Development of a Distributed Self-Audit Framework
SAP SE (Internet and Information Technology, >10.000 employees)
Design and development of a microservices-based distributed soft‐
ware system for automating corporate audit processes.
Standardized, lightweight software components were implemented
to operate independently within different departments (on client
systems), where data states required for audits are collected and evaluated. Alerts about audit-
related issues must be sent to customers, while centralized server components are used to gener‐
ate reports and provide visualization for external auditors. All components are designed to handle
high loads and network disruptions (operate offline) without data loss.

Tec stack:
Python3, TCP, HTTP, SSL, PostgreSQL, SQLite, WebSocket, Linux, RESTful API, OpenAPI, sqlite,
Pyramid, FastApi, asyncio, minio, multiprocessing, threading, aiohttp, pytest, Docker, Kafka,
minio, AWS, Google Clound (GCP), Kubernetes.
05/2018 - 12/2021
Backend Developer Java / Python
Skoobe GmbH (Internet and Information Technology, 10-50 employees)
Skoobe operates a popular subscription service within a large-scale
infrastructure. Its technology stack includes mobile apps (Android,
iOS), REST APIs, databases, monolithic applications, and microser‐
vices. Skoobe GmbH is a member of the Tolino Alliance.

Tasks:
  • Migration of microservices from Python 2.7 to Python 3, and from Java to Python 3
  • Development of microservices in Python (asynchronous) and Java
  • Development of REST APIs
  • Development of GraphQL servers and APIs
  • Support during the migration of monolithic applications to microservices, including
  • DevOps assistance.
  • Writing and maintaining documentation
  • Migration of the finance reporting system from Python 2 to Python 3 and to the cloud
(AWS).

Tec stack:

Python2/3, FastAPI, Django, Tornado, asyncio, RESTful API, RPC API’s Java, Docker, Jenkins,
AWS, mysql, Docker, hashicorp stack, Nomad nginx, python, LXML, SQLAlchemy, Hazelcast,
Hibernate (Java ORM), Ubuntu, Alpine, Consul, Service Discovery, OpenAPI, Pydantic,
Microservices, LXC, Packer, GraphQL, NoSQL, SQL
01/2018 - 05/2020
Processing data from the Emergency Brake Assist and Lane Assist systems
MAN Truck & Bus AG (Automotive and vehicle construction, >10.000 employees)
Processing data from Emergency Brake Assist and Lane Assist sys‐
tems: Developed software to process CAN-BUS files (BLF, DBC, and
MDF 4.x) for future graphical analysis. Buses and trucks collect data
and store it in AWS S3 storage (terabytes of data).

Tasks:
  • Serialize and classify tarabytes of raw data
  • Create alerts and triggers based data
  • Migrate software from on-premise servers to the AWS cloud.

Tech stack:
apache spark (pyspark), Hadoop (hdfs), aws, gluejobs, spark inside glue-jobs, aws Athena,
Impala/Hive, Linux, Docker, pytests etc.
01/2016 - 12/2018
Development of IoT cloud connectors for cross-platform communication
MOZAIQ GmbH a Bosch Startup (10-50 employees)
MOZAIQ develops an IoT platform that simplifies the connection of
consumer devices and services. MOZAIQ’s online marketplace serves
as the ultimate hub for IoT businesses, enabling a fully open ecosystem where IoT device vendors
and service companies can connect with each other, thereby creating new Internet of Things prod‐
ucts. The shareholders include ABB, Bosch, and Cisco.

MOZAIQ uses an asynchronous, microservices-oriented architecture built with Vert.x and Grails
(UI) within a Scrum team. Development utilizes languages such as Groovy (JVM), Java, and Python
(for platform and testing). Test cases are created, and integration tests are implemented in Groovy
(Spock tests) and Python (integration, functional). The team develops connectors for various man‐
ufacturers such as Bosch/Siemens (BSH), Osram, Philips, Netatmo, Regardia, and others.
Automated tests for device clouds are also developed. The platform runs on Docker and
Kubernetes in GCP, with tracing implemented via OpenCensus.
01/2010 - 12/2016
Software Developer, System-Architect, DevOps, Consulting
Diverse (Other, 50-250 employees)
• Head of IT Department (regular job, leading a team of up to 10
people)
• Automated competitor data monitoring alerts (project)
• Team Lead and Core Developer (GIS project, PostGIS, GeoServer)
https://mymir.org
• CTO in a startup, leading a team of up to 10 people (regular job,
eTargeting LLC, Cyprus)
• Software Development Manager at eTargeting (regular job,
Cyprus)
• Senior Software Engineer (regular job) https://www.positiv-
multimedia.de (Python, Zope, Plone, PHP)
• Real Estate Exchange Portal (project)
• Hosting Solution (project)
• Python Component Framework (project)

Local Availability

Open to travel worldwide
available from 20.03.2024
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