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Dr. János Karancsi

Capabilities

Skills

44 capabilities across 7 areas. The meter shows the level named in each entry — beginner to expert, four segments — and links point to the project or role where the skill was actually used.

LLM & agentic systems

10 skills

Building with language models — orchestration, retrieval, protocol tooling, and spec-driven agent workflows.

  • Agentic knowledge-base design (AGENTS.md)

    Structured context systems that let agents navigate, not rediscover.
  • GitHub Copilot (agentic use)

    Driving Copilot agents against a curated knowledge base.
    advanced(3 of 4)
  • LLM orchestration & multi-agent workflows

    Planning agent plus implementation/test/review subagents.
    advanced(3 of 4)
  • Prompt & spec engineering for agents

    Detailed spec writing that drives reliable agent execution.
    advanced(3 of 4)
  • Embeddings & vector databases

    Embedding models and vector stores for retrieval.
    intermediate(2 of 4)
  • LLM API integration

    Structured LLM calls in application pipelines.
  • MCP server development

    Building Model Context Protocol servers with guarded tools.
    intermediate(2 of 4)
  • RAG & vector search

    Retrieval-augmented generation with embeddings and vector stores.
    intermediate(2 of 4)
  • LLM fine-tuning (LoRA/QLoRA)

    Parameter-efficient fine-tuning of open models.
    beginner(1 of 4)
  • LLM inference & serving

    vLLM, TensorRT-LLM, Triton, NIM - the target edge zone.
    beginner(1 of 4)

Machine learning & deep learning

5 skills

Models from the ground up — training loops, transformer internals, and the GPU compute beneath them.

Backend & cloud

9 skills

Production services — distributed, event-driven backends and the cloud they run on.

  • Python

    10+ years across scientific computing and commercial backend.
    expert(4 of 4)
  • Async Python

    asyncio, tasks, and structured concurrency in production services.
    advanced(3 of 4)
  • AWS (Lambda, DynamoDB, SQS, EKS, ElastiCache)

    End-to-end production AWS backend stack.
    advanced(3 of 4)
  • CQRS & event-driven architecture

    Command/query separation and messaging.
    advanced(3 of 4)
  • C# and .NET

    Primary commercial backend language; 5 years production.
  • Microservices architecture

    Event-driven, distributed backend systems.
    advanced(3 of 4)
  • REST API design

    Designing REST APIs and gateways for microservices.
    advanced(3 of 4)
  • SOLID, TDD & clean architecture

    Disciplined OO design and test-first development.
  • Apache Kafka

    Event streaming in distributed backends.
    intermediate(2 of 4)

DevOps & infrastructure

7 skills

Shipping and operating software — containers, orchestration, pipelines, and infrastructure as code.

  • CI/CD pipelines (Jenkins)

    Build and release automation.
    advanced(3 of 4)
  • Code quality & security tooling (SonarQube, Snyk)

    Static analysis and dependency security in CI.
    advanced(3 of 4)
  • Docker & containerization

    Containerizing services for orchestrated deployment.
    advanced(3 of 4)
  • Kubernetes (EKS, Helm)

    Container orchestration and packaging in production.
    advanced(3 of 4)
  • Shell scripting (bash, tcsh, PowerShell)

    Extensive CERN-era shell automation.
    advanced(3 of 4)
  • GitOps with ArgoCD

    Declarative continuous delivery to Kubernetes.
    intermediate(2 of 4)
  • Terraform (IaC)

    Infrastructure as code for cloud environments.
    intermediate(2 of 4)

Data & databases

3 skills

Turning large datasets into answers — storage, querying, and statistical inference.

Physics & scientific computing

4 skills

Scientific computing built for scale — analysis frameworks, simulation, and numerical precision.

Leadership & communication

6 skills

Coordinating teams and explaining hard things clearly — across research and industry.

  • Self-directed learning

    Career pivots and new-tech adoption without formal training.
    expert(4 of 4)
  • Technical communication & presentation

    100+ scientific talks; clear complex-topic delivery.
  • Agile & Scrum delivery

    Working in Scrum teams with architecture influence.
    advanced(3 of 4)
  • Mentoring

    Bringing colleagues up to speed, especially on AI tooling.
    advanced(3 of 4)
  • Languages: Hungarian, English, German

    Hungarian native; English fluent (Advanced certs, full degree and career in English); basic German.
    advanced(3 of 4)
  • Technical leadership & coordination

    L3 coordinator, group leader, team-lead track.