Career Profile

I am a dedicated and passionate software developer with a Master of Science in Information Technology and 15+ years of diverse professional experience. My main focus is Java web backend development in the cloud (DevOps), but my skill set extends well beyond that:

  • Machine learning & AI — training, optimizing and deploying models, with generative AI and agentic development experience
  • Frontend development for web and application software
  • Embedded & application software in the automotive domain
I merge technical depth with innovation to craft solutions that stand out.

Skills & Tools

Languages

  • Java
  • Python
  • C++
  • C#
  • SQL
  • JavaScript / HTML / CSS

Cloud & DevOps

  • AWS (EC2, Lambda, S3, SQS, ...)
  • Terraform
  • Docker
  • CI/CD (Jenkins, Bamboo, AWS CodePipeline)
  • Linux
  • Nginx

Backend & Data

  • REST / RPC
  • Microservices Architecture
  • Elasticsearch / Lucene
  • Redis
  • MongoDB
  • PostgreSQL / MSSQL

AI & Machine Learning

  • LLM solutions
  • Agentic development
  • TensorFlow
  • scikit-learn
  • NumPy

Observability

  • Grafana
  • Kibana
  • OpenTelemetry
  • CloudWatch

Practices & Tools

  • OOP patterns / algorithms / data structures
  • Kanban, Scrum, V-Model
  • Jira, Confluence
  • Git

Experiences

Indie Developer & Solo Entrepreneur

Jun 2025 - Present (Part time)
Self-employed, Berlin DE

  • Building and operating AI-powered products as an indie developer, including Chrome extensions, Telegram bots and LLM-based automation tools.
  • Developed and launched browser extensions covering the full lifecycle from product idea and architecture to implementation, deployment, analytics, SEO and user feedback.
  • Using agentic development workflows with Claude Code, Codex CLI, Gemini CLI and GitHub Copilot to accelerate feature delivery, refactoring, testing and product iteration.
  • Owning the complete product stack: backend services, frontend/browser extension code, cloud deployment, monitoring, marketing, sales and customer support.

Java Backend Developer

Aug 2019 - Present
Stepstone GmbH, Berlin DE

  • Designed, developed and operated distributed job-search and geo-search backend services deployed on AWS and used by multiple job platforms worldwide (Java, Elasticsearch, Lucene).
  • Built and maintained high-throughput, highly available indexing pipelines using Java, AWS services and Terraform.
  • Migrated standalone services from dedicated servers to cloud-native AWS infrastructure (EC2, Lambda, S3, SQS), improving scalability, maintainability and operational ownership.
  • Participated in the design and development of REST services from scratch, used by multiple customers worldwide.
  • Designed and developed machine-learning-based projects.
  • Improved observability and production diagnostics with Grafana, Kibana, OpenTelemetry and CloudWatch-based monitoring.
  • Applied LLM and agentic development tools to automate engineering workflows, support team processes and accelerate software delivery.

Software Developer

May 2018 - Jul 2019
Panasonic Automotive & Industrial Systems Europe GmbH, Neumuenster DE

Software Developer

Apr 2016 - Apr 2018
Da Vinci Engineering (on behalf of Panasonic Automotive & Industrial Systems Europe GmbH), Neumuenster DE

Software Developer (working student)

Feb 2015 - Feb 2016
Panasonic Automotive & Industrial Systems Europe GmbH, Neumuenster DE

  • Design and development of components for highly optimized core AMFM/HD radio software for car multimedia systems.
  • Design and development of application software used for car systems analysis, test automation and other tasks.
  • Testing the software on field (Field Tests) in USA and EU.

Student research assistant

Jul 2014 - Feb 2015
Fachhochschule Kiel, Kiel DE

  • Parallelization of Image Analysis algorithms with CUDA.

Software Developer

Dec 2012 - Mar 2013
Regional training center of Evraz-Siberia, Nowokuznetsk RU

  • Participation in design and development of the training simulator for conveyor belt operators using Unity 3D.