München, 27.08.2025
Profile Vladislav Vorobev¶
DevOps & Backend Engineer – Python | Linux | Data | AI
Interests and Objective¶
Software Developer and DevOps Engineer with extensive experience in building scalable data pipelines, event-driven architectures, and microservices across Automotive, E-Commerce, and IoT. I apply solid engineering practices—including TDD, clean code, and SOLID design—while driving successful migrations, cluster operations, and architecture transformations in both cloud and bare-metal environments. Passionate about innovation, I leverage AI-powered development tools, LLMs, and autonomous agents to accelerate delivery and enhance system reliability, while continuously expanding my expertise in emerging technologies such as PyTorch, Rust, and Delta Lake.
Last projects / employment¶
Project name or position |
Period |
Company |
|---|---|---|
AI-Driven E-Commerce Platform – ERP Integration and Image Processing |
12.2024-08.2025 |
DesignWeltDeko |
06.2024-12.2024 |
SAP |
|
Software Developer Automotive – Battery Testing & Cloud Migration |
01.2023-05.2024 |
Mercedes-Benz |
Design and Development of a Distributed Self-Audit Framework |
05.2019–12.2022 |
SAP |
05.2018-12.2021 |
Skoobe |
|
Big Data Processing for Automotive Safety Systems – Emergency Brake & Lane Assist |
01.2018-05.2020 |
MAN Truck & Bus |
01.2016-12.2018 |
Mozaiq |
|
ERP & Analytics Platform – Lead Generation and Online Marketing |
01.2016-12.2016 |
FitnessClubs AV |
Global E-Commerce Platform – Localization & Warehouse Management |
01.2013–12.2015 |
… |
2009-2014 |
… |
For full descriptions, see the Last projects / employment details section below.
Education¶
University of Applied Sciences of Cologne (FH-Köln)¶
2002–2009
- Faculty: Informationstechnik in der Nachrichtentechnik
Title: Dipl.-Ing. Elektrotechnik
Diploma thesis topic: Developed a neural network-based system for image region detection and character classification, implementing Hu Moments for translation, rotation, and scale invariance in C programming.
- Lomonosov-University 2005–2006
Faculty of Computational Mathematics and Cybernetic (student exchange program)
- Seminars 2005-2008
Negotiation skills, Leave and work in global oriented world, International Project Management across borders, English (WSI), And other…
Telefonbau Nagel GmbH, Cologne / Georg-Simon-Ohm-Berufskolleg 1999–2002¶
Double qualification as IT-Systemelektroniker by Telefonbau Nagel GmbH (now Simply Communicate).
Skills¶
Software Development¶
Programming Languages: Expert in Python (large projects), Groovy/JVM; Proficient in Java, JavaScript, PHP, C/C++; Currently exploring Rust, TypeScript
Frameworks & Libraries (Backend & Data): FastAPI, Pydantic, PydanticAI, FastStream, Pyramid, aiohttp/asyncio, PySpark, Vert.x, Django, Flask, Tornado, Zope/Plone (legacy CMS)
Frontend Development: React, Svelte, AngularJS, Bootstrap, HTML5/CSS3, Responsive Layouts, Liquid (Shopify Templates)
AI & Data: LLMs & Prompt Engineering, LangChain, LlamaIndex, Hugging Face, FAISS, Weaviate, pgvector, OpenAI, Claude, AI-powered IDEs (Claude Code, Cursor, Zed, Neovim)
Architectural Concepts: Microservices, Event-Driven, Client-Server, TDD, DDD, Clean Code, SOLID, Service-Oriented, REST/gRPC/WebSocket APIs, Data Mesh
Databases: PostgreSQL, MySQL, MongoDB, Cassandra, ZODB, Neo4j; ORM: SQLAlchemy, Hibernate, GORM
Big Data & ETL: Apache Spark (PySpark), Airflow, AWS Glue, Databricks
Messaging & Streaming: Apache Kafka (event streaming, distributed log, ETL pipelines), RabbitMQ (message broker, task queues), Celery (distributed tasks), Hazelcast (in-memory grid, pub/sub), Redis (pub/sub, caching)
Protocols & Formats: JSON, YAML, XML, CSV, Excel, Markdown, Protobuf, Parquet, Arrow, GraphQL, WebSocket, REST
Testing & QA¶
Unit, Integration, Functional, End-to-End, and Regression Testing
pytest, unittest, JUnit, Spock, Behave, Robot Framework
Mocking, Test Automation, Continuous Testing
OpenTelemetry tracing for observability-driven testing (incl. OpenTracing, OpenCensus, Jaeger)
AI Testing¶
LLM evaluation and regression testing for prompt and RAG-based systems
Agent behavior validation and consistency checks
Golden dataset comparisons and hallucination detection
LangChain evaluation tools, PydanticAI testing utilities, custom benchmarking scripts
System Administration, Cloud & DevOps¶
Operating Systems: Linux (Debian, Ubuntu, Alpine, Arch, openSUSE), Windows, iOS
Containers & Orchestration: Docker, LXC, Kubernetes (Calico, MetalLB, Ingress-Nginx, Rook-Ceph), cgroups
Virtualization: KVM, QEMU, libvirt
Cloud Providers: AWS (S3, RDS, Glue, Athena, Databricks), GCP, Azure, Hetzner Cloud, eXtollo
CI/CD & IaC: Jenkins, GitHub Actions, GitLab, Concourse, Terraform, Nomad, Packer, Consul, Vault, Gradle, setuptools, pip, Buildout
Version Control: Git, Mercurial (hg), SVN
Monitoring & Metrics: Prometheus, Grafana, Loki, Tempo, OpenTelemetry, Beyla, Zipkin
Networking & Security: Cisco (Switches/Routers), Bonding, BGP, DNS, SSL/TLS, VPNs, IPSec, iptables/nftables, Wireshark, Nebula, OpenSSL, GnuPG, LetsEncrypt
Web & Infrastructure: Nginx, Apache, HAProxy, Varnish, Memcached, Redis, Samba
Mail & Messaging: Exim, Postfix, SpamAssassin, Dovecot, Courier, Bots, Matrix
Authentication & Directory Services: LDAP & OpenLDAP, Active Directory Integration, Single Sign-On (SSO), OAuth2
Domain Knowledge & Advanced Practices¶
E-Commerce & ERP: Development of custom ERP & E-Commerce platforms from scratch; ERP system integration (250+ employees); Integration with Shopify (APIs, Liquid templates), PayPal, Stripe, custom providers; SEO & Microdata (schema.org), Retargeting & Remarketing (AdTech, SSP, DSP)
APIs & SaaS: Google APIs (Analytics, Merchant, Ads, Identity), OpenAI/Claude APIs, Etsy/Amazon/eBay APIs, Meta/X/LinkedIn APIs, Telegram API, Wikimedia API
Collaboration Tools: Jira, Confluence, Bitbucket, GitHub, GitLab, Redmine, Atlassian Stack
Code Quality & Tooling: PEP8, Ruff, Black, Pylint, Mypy, SonarQube, CodeQL, Clang-Tidy, Checkstyle, SpotBugs, LXML (Python XML Parser)
Modeling & Architecture: UML, Domain-Driven Design (DDD), TDD, Event Bus, Message Queues
Automation & Custom Tooling: Workflow automation for ETL, CI/CD, and infrastructure processes; development of custom scripts and utilities
Data Collection: Large-scale web crawling and scraping with Python (Scrapy, BeautifulSoup, async pipelines)
Non-IT Skills¶
Agile Leadership: Experienced in leading international IT teams (up to 15 members, including remote teams) within Agile frameworks (Scrum, SAFe)
Team & Project Management: Proven expertise in project organization, staffing, leadership, time management, and remote team coordination
Stakeholder Communication: Strong focus on customer satisfaction, safety, and responsible decision-making; experienced in aligning technical goals with business needs
Last projects / employment details¶
AI-Driven E-Commerce Platform – ERP Integration and Image Processing¶
12/2024 – 08/2025, Munich (consulting)
Company: DesignWeltDeko – Role: IT Consultant / Full Stack Developer & DevOps Engineer – Type: Consulting Project
Delivered internal (Scene Generation, Text Generation) and customer-facing AI agents (Product Chat) using RAG, vector databases (FAISS), OpenAI, LangChain, and PydanticAI
Integrated a custom ERP system (without existing connector) with Shopify API
Developed an event-driven product management system with real-time synchronization to Shopify, enabling seamless updates for products and AI-classified images
Integrated a Shopify-based e-commerce platform using Liquid templates for frontend customization
Built customer-service features, integrated marketplaces (eBay, Etsy, Amazon), and developed a Progressive Web App (JavaScript-based frontend with React and Svelte)
Provided business IT consulting by introducing modern tools and automations (development, ETL, deployment, monitoring)
Designed and operated Kubernetes clusters (Calico, MetalLB, Ingress, Rook-Ceph, Kafka, PostgreSQL) on Hetzner Cloud and on-premise to host core services
Implemented comprehensive cluster monitoring, tracing, and metrics with Prometheus, Grafana, Loki, Tempo, OpenTelemetry, and Beyla
Coached new team members in concepts, AI/ML practices, and effective use of LLM agents and tools
Tech Stack¶
Languages & Tools: Python, JavaScript, SQL, Pandas, Arrow, FastAPI, FastStream, Pydantic, PydanticAI
Frontend: React, Svelte, Liquid Templates (Shopify), HTML, CSS
APIs: REST, GraphQL (Shopify, OpenAI, Google, Etsy, Amazon, eBay), Google APIs (Analytics, Merchant, Ads, Identity)
AI/ML: LLM, LangChain, FAISS, OpenAI, RAG, PydanticAI, LLM Agents, Claude (Anthropic), HuggingFace, Custom Product AI Agent
DevOps & Infrastructure: Linux (Debian, Alpine), Docker, Kubernetes (Calico, MetalLB, Ingress-Nginx), Rook-Ceph, Gitea, Hetzner Cloud ↔ On-Premise, Networking, VPN
Monitoring, Metrics, Tracing, CI/CD & ETL: Prometheus, Grafana, Loki, Tempo, OpenTelemetry, Beyla, Kafka, Airflow (DAGs), Gitea Actions
Testing & Automation: pytest, Behave
IDEs & Tools & Agents: Claude Code, Cursor, Zed, Neovim
Protocols & Formats: JSON, YAML, XML, CSV, Excel, HTML, Markdown, Protobuf, Parquet, Arrow, GraphQL, REST, WebSocket, Liquid
SAP Compliance Audit Framework¶
06/2024 – 12/2024, Walldorf
Company: SAP SE – Role: Software Engineer – Type: Consulting Project
Contributed to feature development for compliance and auditing software
Improved code quality through systematic refactoring of the Python codebase
Upgraded core framework and libraries (Python, Pyramid, supporting dependencies)
Collaborated with SAP teams to ensure maintainability and forward compatibility, Data Mesh
Project follow-up and continuation of earlier work (see Design and Development of a Distributed Self-Audit Framework, 05/2019 – 12/2022, Walldorf)
Tech Stack¶
Languages & Frameworks: Python, FastAPI, Pyramid, SQL
Databases: PostgreSQL, SQLite
Cloud & Infrastructure: Linux, Docker, Kubernetes, Google Cloud Platform (GCP)
APIs & Security: REST API, OAuth, Single Sign-On (SSO)
Testing & CI/CD: pytest, GitHub Actions
Software Developer Automotive – Battery Testing & Cloud Migration¶
01/2023 – 05/2024, Stuttgart
Company: Mercedes-Benz AG – Role: Software Developer Automotive – Type: Permanent Position
Battery test data analysis optimized through microservices-based applications
Cloud migration executed for battery testing applications and workloads to eXtollo / MIC - Azure Cloud (Databricks, VMs, Blob Storage, SQL, Spark)
Data processing pipelines improved for automotive test data using Python, Pandas, Apache Arrow, and Delta Lake
REST APIs (FastAPI) developed and integrated for data access and service communication
Test and analysis results visualized via frontend components built with Svelte
Compliance, safety, and performance standards ensured in collaboration with cross-functional teams
Tech Stack¶
Languages & Frameworks: Python, FastAPI, Pydantic, Multiprocessing, Pandas, Arrow, Svelte
APIs: REST APIs, Azure APIs (Blob Storage, Databricks, Identity, SQL)
Databases & Storage: MongoDB, SQL, Parquet, Delta, CSV, Delta Lake, MDF4 (battery test data format)
Cloud & Infrastructure: Azure (Databricks, Blob Storage, VMs, SQL, Spark), Docker, Linux, Windows
DevOps & CI/CD: Azure DevOps
Design and Development of a Distributed Self-Audit Framework¶
05/2019 – 12/2022, Walldorf
Company: SAP SE – Role: Development Consulting Engineer – Type: Consulting Project
Distributed microservices-based system designed and developed for automated corporate audit processes
Lightweight components implemented to run independently on client systems, collecting and evaluating audit-relevant data states
Alerting system built to notify customers of audit issues, with centralized servers generating reports and visualizations for external auditors
Resilience achieved through components able to handle high loads and network disruptions (offline operation without data loss)
Storage and data management improved with MinIO and cloud storage solutions (AWS, GCP), Data Mesh
PostgreSQL database designed and administered, including performance tuning, backup strategies, data archiving, and monitoring
Tech Stack¶
Languages & Frameworks: Python, FastAPI, Pyramid, Pydantic, asyncio, aiohttp, multiprocessing, threading, pytest
APIs & Protocols: RESTful API, OpenAPI, HTTP, TCP, WebSocket, SSL
Databases & Storage: PostgreSQL, SQLite, MinIO, Cloud Storage (AWS, GCP)
Infrastructure & Messaging: Docker, Linux, Kubernetes, Kafka
Backend Developer – Java, Python & AWS¶
05/2018 – 12/2021, Munich
Company: Skoobe GmbH (Munich, member of the Tolino Alliance) – Role: Backend Developer – Type: Consulting Project
Migration of microservices from Python 2.7 to Python 3, and from Java to Python
Development of asynchronous microservices in Java, Groovy and Python
REST API and GraphQL server development
Migration of monolithic applications to microservices, including DevOps support
Migration of finance reporting system from Python2 to Python3 and to AWS Cloud
Documentation created and maintained for new and migrated services
Tech Stack¶
Languages & Frameworks: Python, Java, Groovy, FastAPI, Django, Tornado, asyncio, Pydantic, SQLAlchemy, Hibernate (Java ORM), LXML, JSON
APIs & Protocols: RESTful API, GraphQL, RPC, OpenAPI, Service Discovery
Databases & Storage: MySQL, NoSQL, SQL
Cloud & Infrastructure: AWS, Docker, LXC, Nomad, Consul, Packer, Ubuntu, Alpine, Nginx
Monitoring & Logging: Prometheus, Grafana, Elasticsearch, Logstash
CI/CD & Automation: Jenkins, HashiCorp stack
Big Data Processing for Automotive Safety Systems – Emergency Brake & Lane Assist¶
01/2018 – 05/2020, Munich
Company: MAN Truck & Bus AG – Role: Big Data / Data Engineer – Type: Consulting Project
Developed Spark-based solutions to process CAN-Bus data (BLF, DBC, MDF4.x) from Emergency Brake Assist and Lane Assist systems for graphical analysis
Designed and implemented distributed Spark jobs to parse, serialize, and classify terabytes of raw sensor data
Developed large-scale PySpark pipelines based on engineering requirements for preprocessing, aggregation, and transformation of automotive safety data
Implemented alerting and trigger mechanisms based on Spark-processed real-time and historical driving data
Developed scalable software and cloud-based pipelines on AWS for storage, processing, and analysis of safety-related data
Tech Stack¶
Big Data & Processing: Apache Spark (PySpark), Hadoop (HDFS), AWS Glue Jobs, Athena, Impala, Hive, Apache Parquet
Databases & Storage: AWS S3, Parquet, MDF4, BLF, DBC (CAN-Bus formats)
Infrastructure & Cloud: AWS, Linux, Docker
Testing & Automation: pytest
IoT Cloud Platform – Cross-Platform Connectors & DevOps¶
01/2016 – 12/2018, Munich
Company: Mozaiq Operations GmbH (ABB, Bosch, Cisco joint venture) – Role: IoT Developer & DevOps Engineer – Type: Consulting Project
IoT platform developed to simplify cross-platform integration of consumer devices and services
Cloud connectors designed and implemented for manufacturers including Bosch/Siemens (BSH), Osram, Philips, Netatmo, and Regardia
Asynchronous, microservices-oriented architecture built with Vert.x and Grails, supporting horizontal scalability and high availability
Platform deployed on Kubernetes (GCP) with Docker, CI/CD pipelines in Concourse and Jenkins
Data security requirements implemented to meet enterprise-grade standards
Interoperability ensured across heterogeneous devices and vendor clouds via the MOZAIQ cloud marketplace
Infrastructure as Code practices established for scalable deployments
Development performed in Scrum team with Java, Groovy, and Python, including automated tests with Spock and pytest
Tech Stack¶
Languages & Frameworks: Vert.x, Grails, Groovy, Java, Python, Node.js, React, Gradle, GORM
Databases & Storage: MongoDB Cluster (replication + sharding), Hazelcast
Messaging & APIs: RESTful API, RabbitMQ
Infrastructure & Cloud: Docker, Kubernetes, GCP, Nginx, Docker Compose
CI/CD & Automation: Concourse CI, Jenkins
Testing: Spock, pytest
ERP & Analytics Platform – Lead Generation and Online Marketing¶
01/2016 – 12/2016, Cologne
Company: fitnessclubs – Role: Software Developer & Architect (Fullstack) – Type: Consulting Project
ERP and analytics platform prototyped and developed for lead collection, processing, and statistical reporting
Responsive UI implemented with Bootstrap for customers and company managers
Existing PHP/Apache-based system migrated to a modern Python stack with data migration to a redesigned database model
System architecture and technical design specified, including ORM-based database modeling
Business logic and partner API integrations (REST) developed for multiple external providers
High-availability cluster and hosting solution designed and deployed on Debian/Linux with Docker and Nginx
Coordination of internal and external staff (IT, UX) throughout project phases
Tech Stack¶
Languages & Frameworks: Python (Python, Pyramid), JavaScript, ReactJS, JQuery, SQL
Frontend: HTML, CSS, Bootstrap
Databases & Storage: MySQL, Redis
APIs & Integration: REST APIs, Partner System Integrations
Infrastructure & Cloud: Debian GNU/Linux, Docker, Nginx, Exim
Global E-Commerce Platform – Localization & Warehouse Management¶
01/2013 – 12/2015, Cologne
Company: [Confidential] – Role: Software Developer & Architect (Full Stack) – Type: Consulting Project
Full e-commerce and ERP platform developed from scratch, with focus on SEO, fast response times, and fully responsive HTML5 layout
Localization and internationalization implemented for layout, payments, taxes, languages, and currencies
Modular architecture designed to support new frontends, e.g., for the Asian market
Initial shop themes delivered for DE, RU, SP, and EU (EN)
Back-office system developed to manage products, sales, and customers
Migration of orders and customer data executed from legacy system to new platform
Close collaboration in a small development team to ensure seamless integration and efficient delivery
Tech Stack¶
Languages & Frameworks: Python, Pyramid, JavaScript, AngularJS v1, SQL
Frontend: HTML, CSS, Responsive Layouts
Databases & Storage: ZODB (File Storage), PostgreSQL
Infrastructure & Hosting: Nginx, Debian GNU/Linux, LXC
Before 2015 – Leadership Roles and Early Projects¶
2005 – 2014
Head of IT Department, leading a team of up to 10 people
CTO at eTargeting (Cyprus), managing a team of up to 10 engineers
Software Development Manager at eTargeting (Cyprus)
Senior Software Engineer at Positiv Multimedia (Germany) – Python (Zope, Plone) and PHP
Startup & experimental GIS project (PostGIS, GeoServer, Leaflet; PostgreSQL/PostGIS administration, replication, backups) – https://mymir.org
Automated competitor data monitoring alerts (project)
Development of retargeting and remarketing systems for online advertising and lead generation
Real Estate Exchange Portal (project)
Hosting Solution (project)
Python Component Framework (project)
Tech Stack¶
Languages & Frameworks: Python (Python), Zope, Plone, PHP, Java, C, ASP, JavaScript
Databases & Storage: PostgreSQL, PostGIS, ZODB, MySQL
GIS & Visualization: GeoServer, Leaflet
Infrastructure & Hosting: Debian GNU/Linux, Nginx, Hosting Solutions, Virtualization (LXC)
Networking & Hardware: Cisco (switches, routers), network bonding, BGP, routing & high-availability setups
AdTech & Data Processing: Retargeting / Remarketing systems, competitor monitoring, data pipelines
Other Tools: Replication & Backup Strategies, Automation Scripts
—
I began professional software development in 2002 with C, ASP, PHP, and Java, before focusing on Python and Zope for full-stack development and IT. Earlier projects and roles before 2014 are omitted here for brevity but can be provided on request.
