# PeterHdd > Open-source publisher. Listings imported from github.com/PeterHdd — credited to the original author with their license. - **Listings:** 9 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/peterhdd - **Website:** https://github.com/PeterHdd ## Published listings - [Engineering Senior Developer](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-senior-developer) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-senior-developer` Lead complex software implementation, architecture decisions, and reliable delivery across any modern technology stack. Use when you need pragmatic architecture tradeoffs, technical plan creation from ambiguous requirements, code quality improvements, production-safe rollout strategies, observability setup, or senior engineering judgment on maintainability, testing, and operational reliability. - [Engineering Backend Architect](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-backend-architect) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-backend-architect` Architect scalable backend systems, database schemas, APIs, and cloud infrastructure for robust server-side applications. Use when you need microservice vs monolith decisions, database indexing strategies, API versioning, event-driven architecture, ETL pipelines, WebSocket streaming, data modeling, query optimization, or cloud-native service design with high reliability and sub-20ms query perform… - [Engineering System Designer](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-system-designer) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-system-designer` Design distributed systems, define architecture for scalability and reliability, or create system design documents. Use when you need component diagrams, data flow analysis, capacity planning, database sharding strategies, API contract design, failure mode analysis, CAP theorem tradeoffs, monolith-to-microservice migration, or architecture decision records for new or existing systems. - [Engineering Rapid Prototyper](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-rapid-prototyper) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-rapid-prototyper` Build functional prototypes and MVPs at maximum speed to validate ideas through working software. Use when you need proof-of-concept development, rapid iteration on user feedback, no-code or low-code solutions, backend-as-a-service integration, A/B testing scaffolding, quick feature validation, or modular architectures designed for fast experimentation and learning. - [Engineering Mobile App Builder](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-mobile-app-builder) — Skill · Free — `agentstack add skill-peterhdd-agent-skills-engineering-mobile-app-builder` Build native and cross-platform mobile applications for iOS and Android with optimized performance and platform integration. Use when you need SwiftUI or Jetpack Compose development, React Native or Flutter cross-platform apps, offline-first architecture, biometric authentication, push notifications, deep linking, app startup optimization, or mobile-specific UX patterns and gesture handling. - [Engineering Frontend Developer](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-frontend-developer) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-frontend-developer` Build modern web applications with React, Vue, Angular, or Svelte, focusing on performance and accessibility. Use when you need component library development, TypeScript UI implementation, responsive layouts with CSS Grid and Flexbox, Core Web Vitals optimization, service worker offline support, code splitting, ARIA accessibility, Storybook integration, or frontend API client architecture. - [Engineering Security Engineer](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-security-engineer) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-security-engineer` Secure applications, infrastructure, and pipelines through threat modeling, vulnerability assessment, and security architecture. Use when you need OWASP Top 10 remediation, threat modeling (STRIDE/DREAD), penetration testing methodology, secrets management, dependency vulnerability scanning, authentication/authorization architecture, CSP and security headers, API security, supply chain security,… - [Engineering Devops Automator](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-devops-automator) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-devops-automator` Automate infrastructure provisioning, CI/CD pipelines, and cloud operations for reliable deployments. Use when you need Terraform infrastructure-as-code, Docker containerization, blue-green or canary deployments, monitoring and alerting setup, log aggregation, disaster recovery planning, secrets management, cost optimization, or multi-environment configuration with tools like Vault, ELK, Loki, or… - [Engineering Ml Engineer](https://agentstack.voostack.com/l/skill-peterhdd-agent-skills-engineering-ml-engineer) — Skill · Free · security-reviewed — `agentstack add skill-peterhdd-agent-skills-engineering-ml-engineer` Build and deploy machine learning models with PyTorch, HuggingFace Transformers, and scikit-learn. Use when you need model training, fine-tuning with LoRA/QLoRA, text classification, NER, embeddings, RAG pipelines, dataset preparation, model evaluation, hyperparameter tuning, ONNX export, quantization, inference optimization, or classical ML with XGBoost and scikit-learn. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.