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Dominik OpwisDO

Dominik Opwis

Senior Backend Architect & AI/Agent Specialist

€700/day
Mönchengladbach, DE
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Dominik

  • Senior Software Developer & ISAQB Certified Architect – around 10 years of Java & Spring Boot.
  • Event-driven Microservices & Kubernetes – scalable, cloud-native architectures (AWS, Azure).
  • AI & Agent Systems – LLM Pipelines, Multi-Agent Systems, MCP, LLM-as-Judge.
  • Practical Example: LLM Error Triage across ~25 production services – from 40+ error emails to a single, prioritized ticket instead of an alarm flood.
  • DevOps Modernization (GitLab CI, ArgoCD) & Mentoring of development teams.
  • German

    Native or bilingual

  • English

    Fluent

Can work on-site
Mönchengladbach (up to 50km)

Experience

  • Allcop
    Fullstack Engineer
    E-COMMERCE
    August 2024 - Today (2 years)
    Lindau, Germany
    • Conception, development, and management of a project to create a new scalable event-based microservice system
    • Building an LLM-based error triage system across ~25 production services: deterministic clustering, LLM severity assessment, and multi-agent root cause analysis (adversarial review + judge) – consolidating 40+ error emails into one prioritized ticket or downgrading as noise
    • Optimization and modernization of DevOps processes to improve DX and deployment efficiency
    • Leading and implementing customer integration projects
    • Mentoring developers in Spring Boot, Angular, Microservices, and Cloud Technologies
    Java Typescript React.js Kubernetes Spring boot
  • Dibac GmbH
    Software Architect & Developer
    July 2022 - July 2024 (2 years)
    • Architecture and maintenance of a Spring-based ERP framework
    • Introduction and scaling of CI/CD processes with Jenkins
    • Conducting internal training on software architecture and best practices
    • Consulting and conception of new software solutions with a focus on scalability and automation
    Java Docker Jenkins Typescript Spring boot
  • Dibac GmbH
    Software Developer
    July 2020 - July 2022 (2 years)
    • Development and maintenance of a Spring-based ERP system
    • Automation of internal processes with custom tooling and scripting
    • Building a test framework for unit and integration tests
    • Optimization of CI/CD pipelines for a more efficient development and release strategy
    Java CI/CD Spring boot Typescript Spring

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Education

  • Training as an IT Specialist in Application Development
    IHK
    2020

Certifications

  • Certified Professional for Software Architecture - Foundation
    ISAQB
    2022
    Software Architecture

Skill set

Categories