Programming Languages and DSLs
Rust , Go , JavaScript/TypeScript , F# , Java , C# , PHP , SQL , Cypher QL , ArangoDB QL , Delphi , Custom DSLs , ANTLR , PEG Grammar
Architectural Patterns and Concepts
Concurrency , CQRS , Developer Experience (DX) , Domain-Driven Design (DDD) , Event Sourcing , Finite State Machines , Functional Programming , Flux Architecture Pattern , Hexagonal Architecture (Port and Adapter) , Micro Frontend , Microservices , Multithreading , MVC/HMVC , Onion Architecture , Object Oriented Programming , Pub/Sub , RBAC/ABAC , Service-Oriented Architecture (SOA)
API Development
Any Custom protocol , GraphQL , REST , SOAP , WebSockets , XML-RPC
Frontend Technologies
AngularJS/Angular , React Native , ReactJS , Redux , RxJS , Vue.js , WebAssembly , XState
Backend Technologies
Doctrine , Express , GraphQL (Apollo, Yoga, Vanilla) , JDBC Type 3 Driver Implementation , Laravel , Pest.rs , ReactPHP , RedBeanPHP , Socket.io , Symfony , Tokio , WebAssembly
Testing
Behavior-Driven Development (BDD) , Cucumber Framework , Test-Driven Development (TDD)
Tools and IDEs
Git , GitHub Actions , GitLab CI/CD , JetBrains tools , Jest , Playwright , React Testing Library , SVN , VIM , VSCode
Database Technologies
Apache Arrow , Apache DataFusion , ArangoDB , Avro , ClickHouse , MongoDB , MySQL , Neo4J , Parquet , PostgreSQL , Presto , Trino , Redis & Redis Streams , SQLite
Cloud and DevOps
Apache Airflow , AWS (EKS, SQS, SNS, Lambda, IAM) , Docker , Docker Swarm , Kubernetes , MinIO , Scaleway Cloud , Tableau Server