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doc-johnson/README.md

Andrey D.

DevOps / ML Engineer with 7+ years in production infrastructure and AI systems.

What I Do

AI / ML / LLM

  • LLM integrations: RAG pipelines, autonomous agents, fine-tuning, vector databases
  • ML pipelines: end-to-end — data processing, training, evaluation, serving
  • MLOps: containerized model deployment, A/B testing, GPU scheduling, drift monitoring

Infrastructure & DevOps

  • Zero Trust architecture: NetBird WireGuard mesh + Keycloak SSO (OIDC, MFA, RBAC)
  • GitOps platforms on Kubernetes + Argo CD (1,000+ managed instances)
  • CI/CD pipelines: GitLab CI, auto-deploy, manual-gate policies
  • Infrastructure as Code: Terraform, Ansible, multi-environment cloud setups
  • Monitoring & observability: Prometheus, Grafana, VictoriaMetrics, ELK, Loki
  • Corporate VPN with SSO: NetBird + Keycloak OIDC, group-based ACL policies
  • Migrations: VM to Kubernetes, NFS to S3, monolith to microservices

Backend & Automation

  • Python, Go, Rust, Shell — async services, API integrations, web scrapers
  • Telegram/Discord bots with AI, payment systems, admin panels
  • High-performance storage systems (S3-compatible engines, PostgreSQL, Redis, Kafka)

Tech Stack

Kubernetes Terraform Argo CD Helm Docker Ansible GitLab CI/CD Python Go Rust PyTorch LangChain FastAPI PostgreSQL Redis Kafka S3 Prometheus Grafana Keycloak NetBird Yandex Cloud AWS

Pinned Loading

  1. yandex-cloud/geesefs yandex-cloud/geesefs Public

    Finally, a good FUSE FS implementation over S3

    Go 1.1k 84

  2. rag-chatbot rag-chatbot Public

    RAG pipeline with hybrid search, LLM re-ranking, and streaming. FastAPI + Streamlit. Groq/OpenAI multi-provider.

    Python 9 2

  3. sre-agent sre-agent Public

    AI SRE agent that investigates production incidents using ReAct loop and function calling. Built from scratch, no agent frameworks.

    Python

  4. s4core/s4core s4core/s4core Public

    🚀3x faster than MinIO and RustFS. S4Core is an open-source, Rust-based S3-compatible server. Say goodbye to inode exhaustion and hello to atomic operations and smart deduplication

    Rust 436 15

  5. gonka-ai/gonka gonka-ai/gonka Public

    Gonka AI Compute

    Jupyter Notebook 613 135

  6. feast-dev/feast feast-dev/feast Public

    The Open Source Feature Store for AI/ML

    Python 7.2k 1.4k