Cloud: Proficient in AWS(iam/roles/permissions, EC2, S3, ELD, EKS, etc), Hetzner, others including specialized like Twilio.
Docker expert, Kubernetes, Ansible, Terraform. CI/CD. Networking, routing for secure services/API interaction.
Infrastructure as code approach. Up, Down, Development, Test, Production config/templates/environments.
AI, LLM, Machine Learning:
NLP techniques and linguistic tree analysis at sentence/grammar or morphology features level.
LLMs hosted pipelines, cloud GPU/on demand usage with Hugging Face, Runpod, Lambda labs, Tensordock.
Vector databases such as Pinecone Cloud or hosted Millvus/S3/etcd distributed cluster database.
RAG knowledge retrieval pipelines, LlamaIndex, LLM model evaluation within labeled dataset.
Hybrid Search, multiple retrievers including graph(Nebula Graph), ranking(manticore), evaluating results.
Prompt engineering, optimizing for token limits/costs with various models, including self-hosted.
Post-Training optimization for production(quantization, vLLM, etc) for Large Language Models.
Data Lake architecture: Apache Spark, Apache Metastore/Thrift, SQL, PySpark, Trino, Dbt, ELT/ETL pipelines.
Luks encyption. OpenZFS filesystem planning, tuning, benchmarking/fio, snapshots management.
Big Data storage/tables: Polars/DuckDB/Parquet tables, Delta Lake data, S3/MinIO/other backends.
Distributed messaging: Apache Kafka ecosystem, configuration, benchmarking, Spring Boot, kafka-python integration.
gRPC Distributed Microservices: low latency distributed gRPC systems, REST gateway endpoints(Envoy proxy, Gin HTTP, etc).
Programming Languages: expert in NodeJS/React, Python3. Express, Prisma/GraphQL, python LLM frameworks such asLlamaIndex, Langchain utilities, Asyncio, polars/PyTorch/NumPy, FastApi/Flask/SQLAlchemy/Jinja2, Celery. C++.
Java(Spring Boot, Kafka, etc), Maven, Scala.
Frontend and Mobile Development: expert in NodeJS/TypeScript ecosystem, NextJS 13, React, React Native, Expo framework, frontend(MaterialUI, Mantine, Apache Echarts, etc), Apollo/GraphQL, experience with Ruby on Rails, python Django/Streamlit.
Databases: SQL(MySQL, PostgreSQL, Spark SQL/Trino connectors), MongoDB.
Big Data, Distributed databases: Apache Iceberg/Delta Lake Layer/Hive Metastore/S3 backends, Clickhouse. Elasticsearch, Manticore(Sphinx) for low latency fulltext Search and Ranking.
Security: Knowledgeable in security practices and tools, including security scans, monitoring, virtualization,VirtualBox, Vagrant, VPN/Wireguard, iptables configuration and routing, TCP/IP analysis.
HTTP/REST: NginX(lua), Apache, PHP tuning, SSL, OpenAuth, Authelia, Keycloak, OpenAPI/Swagger/Codegen.
Infrastructure monitoring/reporting: Systemd, Graphite/statsd, Promeheus, Apache Superset, Grafana, ELK stack.
