| Languages | Python, R, TypeScript, JavaScript, C, SQL, Bash, Zsh, PowerShell, HCL, KQL, CMake, reStructuredText |
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| Full-stack frameworks | Next.js, Shiny (R), Astro, Django, NiceGUI |
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| Backend development | Python, FastAPI, Node.js, Express, plumber, REST APIs, Django REST Framework, Pydantic, Server-Sent Events, OpenAPI |
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| Frontend development | React, Preact, HTML, CSS, Tailwind CSS, Bootstrap, Material UI, Responsive design, Web accessibility, TanStack Query, React Router, React Hook Form, Zod, KaTeX, Recharts, styled-components, Markdown rendering (unified/remark/rehype) |
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| Databases | PostgreSQL, SQLite, MongoDB, Microsoft SQL Server, Azure Cosmos DB (MongoDB API) |
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| Cloud platforms | Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP), Azure Container Apps, Microsoft Entra ID, Azure Key Vault, Azure Database for PostgreSQL, Azure Storage, Log Analytics |
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| Infrastructure | Terraform, Docker, Kubernetes, nginx, DNS management (Cloudflare), AzAPI, Private networking (VNets, private DNS), Managed identities, Multi-environment deployments, Docker Compose, Dev Containers |
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| Version control & hosting | Git, GitHub, Bitbucket, Azure DevOps, Git worktrees, Conventional Commits, Semantic versioning, Changelog automation |
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| Automation & deployment | GitHub Actions, CircleCI, Argo CD, GitHub Pages, Azure Pipelines, Workload identity federation, Reusable workflows, GitHub Apps, Multi-arch Docker builds, Release automation |
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| AI & agents | Azure OpenAI, LangGraph, Model Context Protocol (MCP), LLM applications, Agentic workflows, LangChain, OpenAI Agents SDK, Vercel AI SDK, Anthropic Claude API, Agent observability (OpenInference), AI-assisted requirements and design generation |
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| Coding agents | GitHub Copilot CLI, Codex, Claude Code, Antigravity CLI, AGENTS.md, Agent skills, Custom agents and prompts |
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| Local model inference | Ollama, Local model hosting, Apple Silicon inference |
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| Literate programming | LaTeX, Quarto, R Markdown, Jupyter, Markdown, marimo, Observable Framework |
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| Documentation | MkDocs, Zensical, API documentation, Reproducible publications, Sphinx, Doxygen, Backstage TechDocs, Material for MkDocs, Link checking (lychee) |
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| Document publishing | Pandoc, XeLaTeX, Typst, PDF and Word generation, Document conversion, python-docx, python-pptx, pdfmake |
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| Presentations & diagrams | reveal.js, Mermaid, SVG |
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| Statistical computing | Statistical modelling, Statistical visualisation, Bayesian and robust analyses, Meta-analysis, Repeated-measures analyses, Model diagnostics, Statistical reporting |
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| Scientific & data workflows | Data preparation, ETL pipelines, Columnar data processing (Parquet), Schema validation, Financial time-series analysis, PBPK modelling, Simulation, Pharmacometrics, pandas, Polars, Plotly, Altair, Excel generation (XlsxWriter) |
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| Software design | Object-oriented design, Functional programming, API design, Modular architecture, Microservices, R and Python package development, Command-line interface design, Plugin development, Code generation (Jinja2), Event-driven architecture, Asynchronous programming, Hardware abstraction, GUI tooling (NiceGUI, Tkinter) |
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| Embedded systems | Zephyr RTOS, Embedded C, Kconfig, Devicetree, NXP i.MX RT1062 (Cortex-M7), CAN / CAN-FD, MQTT, J-Link, pyOCD, native_sim |
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| Requirements engineering | Polarion, Requirements traceability |
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| Package publishing | CRAN, PyPI, GitHub Releases, Trusted publishing (OIDC) |
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| Testing | Unit and integration testing, End-to-end testing, Load testing, Regression testing, Property-based testing, Mutation testing, Accessibility testing, Performance benchmarking, pytest, Vitest, Playwright, Testing Library, Locust, Snapshot testing, Ztest, Twister, Hardware-in-the-loop testing, Emulator-based testing |
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| Development tools | GNU Make, just, uv, pnpm, Vite, Vite+, CMake, west, Task (Taskfile), Docker |
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| Development environments | macOS, Windows, Homebrew, WinGet, Cross-platform setup automation, Linux, VS Code, Dev Containers |
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| Search & discovery | Full-text search, Multilingual search, SEO, Structured data (Schema.org / JSON-LD), Agent-readable documentation (llms.txt) |
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| Code quality | Static analysis, Type checking, Code formatting, Test coverage, Dependency audits, Ruff, mypy, ty, Pyrefly, ESLint, Biome, Prettier, clang-format, cppcheck, MISRA C, Axivion, Dead-code detection (vulture, knip, deptry), commitlint, gitlint, Commitizen, prek |
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| Monitoring & security | Sentry, Lighthouse, Google Analytics, Google Search Console, Secret scanning, Workflow security, OpenTelemetry, Azure Monitor, Application Insights, Checkov, Trivy, gitleaks, CodeQL, Black Duck, Bandit, OAuth 2.0 / OIDC (MSAL), Licence compliance (SPDX) |
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