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AI Agent Development

Building autonomous AI systems that plan, reason, and take actions

⏹ NIVEAU 2Techniques
💰
+$45k-
Impact salarial
⏱
8 mois
Temps d’apprentissage
📊
Difficile
Difficulté
đŸ‘„
5
MĂ©tiers
En bref

AI Agent development is building autonomous systems where LLMs plan multi-step workflows, call tools, make decisions, and coordinate with other agents. A mid-level L2+ specialization with $45k-$75k salary lift. Key frameworks: LangGraph, CrewAI, AutoGen. Combines prompt engineering, system design, and evaluation frameworks. Path: tool-calling → memory management → multi-agent orchestration → production safety over 6-8 months.

Qu’est-ce que AI Agent Development

AI Agent development involves building systems where LLMs autonomously plan tasks, use tools, make decisions, and execute multi-step workflows. Unlike simple chat interfaces, agents can browse the web, write code, query databases, call APIs, and coordinate with other agents to accomplish complex goals. This is the fastest-growing area in AI engineering, with frameworks like LangGraph, CrewAI, and AutoGen enabling sophisticated multi-agent systems. Agent development requires understanding planning algorithms, tool use, memory management, and safety guardrails.

🔧 OUTILS ET ÉCOSYSTÈME
LangGraphCrewAIAutoGenLangChainLlamaIndexPydanticRayFastAPIasyncioRedisWeights & Biases

📋 Avant de commencer

PythonAi Prompt EngineeringApi Design Best Practices

💰 Salaire par rĂ©gion

RégionJuniorConfirméSenior
đŸ‡ș🇾USA$95k$155k$240k
🇬🇧UK£55k£85k£140k
đŸ‡ȘđŸ‡șEU€60k€90k€150k
🇹🇩CANADAC$100kC$160kC$250k

🎓 Certifications

DeepLearning.AI Agent AI Course→Anthropic Agents & Tools Tutorial→

🎯 MĂ©tiers qui utilisent AI Agent Development

Ai Agent Builder
Ai Agent Developer
Machine Learning Engineer
Ml Platform Engineer
Prompt Engineer

⚖ Comparer avec

Machine Learning AiPrompt Engineering AdvancedSystem Design Architecture

❓ FAQ

▶What's the difference between agents and chat?
Chat is request-response: user sends prompt, LLM responds. Agents loop: LLM thinks about goals, picks a tool, executes it, reads the output, decides next steps, repeats until done. Agents can write code, query databases, browse the web, call APIs, pure chat cannot. Agents are significantly harder to build and evaluate.
▶Do I need to know prompt engineering first?
Yes. Agent prompts are 5-10x more complex than simple chat: they must specify reasoning steps (chain-of-thought), tool schemas (JSON), error recovery, and decision criteria. You'll spend 40% of your time tuning prompts. Master prompt engineering at intermediate level, then add agent-specific patterns (ReAct, function calling, tool use).
▶Which framework should I learn in 2026, LangGraph, CrewAI, or AutoGen?
LangGraph (by LangChain) is the most production-ready and has the largest ecosystem. AutoGen is best for multi-agent orchestration. CrewAI is fastest to prototype but less flexible. Start with LangGraph; CrewAI for rapid demos. AutoGen if your problem is multi-agent coordination (team of specialists). Most jobs in 2026 ask for LangGraph.
▶How do I make agents reliable in production?
Comprehensive logging, timeouts on every API call, fallback tools, structured output validation (Pydantic), human-in-the-loop for critical actions, and continuous evaluation. Most agent failures come from hallucinated tool parameters or LLM timeouts. Use Weights & Biases or LangSmith to trace every execution. Test with adversarial inputs: misleading docs, missing data, contradictory instructions.
▶What's the salary jump for learning agents?
L1 backend dev ($80-120k) → L2 agent engineer ($155-200k) is a +$40-80k jump in one year. Agents are newer than ML, so supply is thin and demand is high. Companies are building agent infrastructure faster than they can hire, creating premium salaries through 2027.
▶How does agent memory work?
Short-term: conversation context window (usually 4k-200k tokens). Long-term: embeddings stored in a vector DB (Pinecone, Supabase pgvector) or traditional DB (query, retrieve relevant context, prepend to prompt). Trade-off: more context = higher cost and slower inference, but better decisions. Most production agents use hybrid: summary of old messages + full context of last 10.
▶Can I deploy agents serverless?
Only for stateless agents with fast execution. Most agents loop unpredictably (depends on tool outcomes), so they're poorly suited to lambda's 15-min timeout. Deploy on Ray (distributed), modal.com (serverless-but-long-lived), or traditional containerized services (EC2, Kubernetes). Cloud run/Lambda work for agent-backed APIs if you pre-compute agent responses and cache.

🔗 CompĂ©tences liĂ©es

Gpt Architecture FamilyLearning AgilityMentoring Others GrowthMentoringNatural Language ProcessingQuestion Answering SystemsStrategic ThinkingTechnical LeadershipA B Testing ExperimentationA B Testing FrameworkA B Testing StrategyAzure Ml Studio
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