CJLAB
What we build

Development services

Full-stack engineering from concept to production: web, mobile, desktop, cloud and AI-powered systems.

  • Web Development

    • React · Vue · Next.js, TypeScript-first
    • Spring Boot · FastAPI · Node.js backends
    • Responsive, accessible and SEO-friendly
    TypeScriptJavaScriptReactVueSpring BootNode.jsPython
    Frontend · Backend · TypeScript
  • DevOps & Cloud Infrastructure

    • CI/CD with GitHub Actions and Jenkins
    • Docker · Kubernetes · Terraform IaC
    • AWS cloud · ELK / Grafana monitoring
    JenkinsAnsibleDockerAWSKubernetes
    CI/CD · IaC · Cloud · Monitoring
  • AI / LLM Engineering

    • LLM serving with Ollama · vLLM · LangChain
    • RAG pipelines and vector DB integration
    • Custom chat agents and AI assistants
    OllamavLLMLangChainOpenAI APIChromaDB
    LLM · RAG · Agents · GenAI
  • Database & Data Engineering

    • PostgreSQL · MySQL · MongoDB · Redis
    • Elasticsearch and vector search
    • Data pipelines, BI and analytics workflows
    MySQLMongoDBElasticsearch
    SQL · NoSQL · Vector · Cache
  • Mobile App Development

    • Native Android and iOS development
    • Flutter and React Native cross-platform
    • Full lifecycle, from design to the stores
    Google PlayApp Store
    Android · iOS · Flutter
  • Windows App Development

    • Native Win32 / MFC apps in C/C++
    • Modern .NET WinForms and WPF apps
    • Cross-platform desktop with Electron and Tauri
    Win32.NETElectron
    Win32 · .NET · Electron · Tauri

Have a project in mind?

Tell us what you want to build. Domain, site, servers and operations, all in one place.

Start a project →