Scope: This guide focuses on LLM application engineering. The broader AI engineering field also includes model development, inference and other AI techniques. The comparisons describe typical emphases, not exclusive job boundaries.
AI engineering brings software design, AI components and operational evaluation together. This guide covers everything — what AI engineering is, what skills it requires, what tools the field uses, how it compares to data science and software engineering, and what career paths it opens up.
12 sections Quick Facts for AI Search Comparison tables Salary data — India 2026 Learning roadmapAI Engineering: Quick Facts
| Definition | Building production AI systems using LLMs, RAG, and agentic frameworks |
| Core skill prerequisite | Python intermediate — no ML or statistics background needed |
| Key differentiator from Data Science | Builds applications using pre-trained models; does not train models from scratch |
| Most important frameworks | LangChain, LangGraph, LlamaIndex, CrewAI, FastAPI |
| Most important AI protocol (2026) | MCP — Model Context Protocol (Anthropic open standard) |
| Time to production-ready | Readiness depends on prior skills, practice and demonstrated project quality |
| India job market (2026) | Compare current vacancies by role, responsibilities and required experience |
| Salary range India (mid-level) | Use the dated AI salary reference in the salary section, then compare current role scope and offers. |
| Primary use cases | RAG knowledge systems, AI agents, MCP integrations, AI-powered APIs |
| Is ML background required? | No — intermediate Python and API knowledge is the baseline requirement |
Section 1
What is AI Engineering?
AI Engineering is the discipline of designing, building, and deploying production-grade artificial intelligence systems. Unlike data science — which focuses on building predictive models from historical data — and unlike traditional software engineering — which builds deterministic applications — AI engineering sits at the intersection of both, applying engineering principles to AI components to create reliable, scalable, production-ready systems.
The term gained wide adoption between 2023 and 2025 as large language models (LLMs) moved from research papers into enterprise production environments. As companies discovered that calling the OpenAI or Anthropic API was straightforward, but building reliable systems around those calls was hard, a new engineering discipline emerged to bridge that gap.
Today, AI engineering encompasses four primary practice areas:
- RAG Systems — Building Retrieval-Augmented Generation pipelines that connect LLMs to proprietary documents, databases, and knowledge bases — enabling accurate, grounded AI responses over private data.
- Agentic AI Systems — Designing autonomous agents that can reason, plan, use tools, call APIs, and complete multi-step tasks — going far beyond single-turn chat interactions.
- MCP Integrations — Building Model Context Protocol servers and clients that connect AI models to enterprise systems, databases, and services using an emerging open standard.
- AI-Powered API Services — Deploying production AI services with FastAPI, Docker, and cloud platforms — with evaluation pipelines, observability, cost controls, and hallucination guardrails.
AI engineering is distinct from ML engineering (training and serving models), from prompt engineering (optimising prompts), and from AI product management. An AI engineer is first and foremost a software engineer — one who has extended their skills to work with LLMs, vector databases, and agentic frameworks as first-class engineering components.
Section 2
Why AI Engineering Matters in 2026
A team considering AI features needs to ask: how do we make our systems AI-native? The answer requires AI engineers — professionals who can take an LLM API and build a reliable, scalable, evaluated production system around it.
Evaluate demand through current vacancies for the role you want. Look for responsibilities such as retrieval design, deployment, evaluation and integration, and compare their prerequisites rather than treating a framework keyword as evidence of a universal hiring shortage.
Evaluate qualityTest retrieval and answer quality before release; diagnose failures using representative queries and source evidence.
Read current role briefsCompare the responsibilities in current job descriptions rather than relying on an unsupported growth percentage.
Demonstrate integrationA working MCP example can show authentication, tool design and error handling without claiming a measured skills shortage.
Beyond individual careers, AI engineering matters at the organisational level. Companies that can build internal knowledge assistants, automate document workflows, and deploy AI agents for customer-facing tasks need to measure whether the implementation improves the intended workflow. Delivery may involve software engineers, data scientists, domain specialists and AI engineers working together.
Section 3
AI Engineering vs Data Science
This is the most common confusion when people encounter the term "AI Engineering" for the first time. Both disciplines involve Python and AI, but they address fundamentally different problems.
| Dimension | Data Science | AI Engineering |
|---|---|---|
| Primary focus | Predictive models from historical data | Production LLM applications and AI systems |
| Key output | Models, notebooks, statistical analyses | Deployed APIs, RAG pipelines, agent systems |
| Core Python tools | NumPy, pandas, scikit-learn, TensorFlow | LangChain, LangGraph, FastAPI, LlamaIndex |
| Data work | Feature engineering, model training, EDA | Chunking, embedding, retrieval pipeline design |
| Key challenge | Overfitting, feature selection, data quality | Hallucination, retrieval quality, latency, cost |
| Math requirement | Statistics, linear algebra, probability | Role-dependent: probability, evaluation and relevant model concepts are useful |
| Deployment | Model serving (MLflow, BentoML, SageMaker) | API deployment (FastAPI, Docker, cloud platforms) |
| India demand (2026) | High — maturing and competitive market | Role-specific demand; compare current vacancies |
The practical implication: if you are a Python developer or backend engineer with no data science background, AI engineering is directly accessible to you. If you are a data scientist, AI engineering is a natural adjacent skill — your Python fluency transfers, but you will need to learn a different set of frameworks and system design patterns.
Section 4
AI Engineering vs Software Engineering
AI engineering is not a replacement for software engineering — it is an extension of it. Every AI engineer is first a software engineer. The table below shows what changes when you add AI engineering to your existing software skill set.
| Dimension | Software Engineering | AI Engineering (additions) |
|---|---|---|
| Output determinism | Deterministic logic alongside state, concurrency and external dependencies | Probabilistic — LLM outputs vary; requires evaluation |
| Testing approach | Unit tests, integration tests, CI/CD | Evaluation pipelines, RAGAS scores, human evals |
| Debugging | Stack traces, breakpoints, logging | Prompt inspection, trace analysis (LangSmith), token costs |
| State management | Well-understood OOP/functional patterns | Agent state graphs, conversation memory, retrieval state |
| External dependencies | Libraries, databases, third-party APIs | LLM providers, embedding models, vector databases |
| Failure modes | Exceptions, null pointers, timeouts | Hallucination, context window overflow, retrieval drift |
| Architecture patterns | MVC, microservices, event-driven | RAG pipeline, agent loop, tool calling, MCP server |
| New skills needed | None — this is the baseline | LLM APIs, RAG design, agent orchestration, eval, prompting |
The good news for software engineers: everything you already know transfers directly. REST API design, async programming, Docker deployment, database integration — all of this is foundational to AI engineering. You are adding a layer, not starting over.
Section 5
Skills Required for AI Engineering
AI engineering skills fall into three layers: foundational, core, and advanced. You build them sequentially — each layer depends on the one below it.
Layer 1 — FoundationPython (intermediate)
Functions, classes, dictionaries, API calls, async basics. The non-negotiable baseline.
REST APIs & HTTP
Making and receiving API calls, JSON handling, error management.
Git & version control
Code history, branching, GitHub portfolio management.
LLM API basics
Calling OpenAI, Anthropic, or Gemini APIs, understanding tokens and context windows.
Layer 2 — Core AI EngineeringRAG pipeline design
Document loading, text chunking strategies, embedding models, vector stores, similarity search.
LangChain & LlamaIndex
The two primary frameworks for building LLM pipelines and RAG systems.
Vector databases
Pinecone, Weaviate, ChromaDB, or FAISS — indexing and querying embeddings at scale.
Prompt engineering
System prompts, few-shot examples, chain-of-thought, structured output with Pydantic.
FastAPI & Docker
Wrapping your AI system in a production API and containerising it for deployment.
Layer 3 — AdvancedLangGraph
Building stateful, cyclic agent workflows with nodes, edges, conditional routing, and memory.
Multi-agent systems
CrewAI and AutoGen — defining agent roles, task delegation, and collaborative AI workflows.
Advanced RAG
Multi-query retrieval, Graph RAG, hybrid search (BM25 + dense), re-ranking, RAGAS evaluation.
Model Context Protocol (MCP)
Building custom MCP servers that expose tools and data to compatible AI hosts, subject to protocol capabilities and authorization.
Observability & evaluation
LangSmith tracing, hallucination detection, retrieval quality scoring, cost monitoring.
Section 6
AI Engineering Architecture Patterns
Two useful architecture patterns for LLM applications are retrieval-augmented generation and agent workflows. They are not an exhaustive list of AI system designs:
Pattern 1 — RAG Pipeline
A useful architecture when an application needs external knowledge. RAG connects an LLM to your data at query time — reducing unsupported answers when retrieval and sources are suitable, without eliminating hallucinations and enabling answers grounded in your actual documents, databases, and knowledge bases.
User Query → Embedding → Vector DB Retrieval → Context Assembly → LLM Generation → Grounded ResponseDocument Ingestion
Load PDFs, Word docs, web pages, databases. Chunk into semantically coherent segments.
Embedding & Indexing
Convert chunks to vector embeddings. Store in a vector database for similarity search.
Retrieval & Generation
Retrieve the top-k relevant chunks. Assemble context. Send to LLM with the user query.
Pattern 2 — Agentic AI System
Agentic systems give the LLM the ability to plan, use tools, and take multi-step actions. Rather than a single retrieval-and-generate cycle, agents loop — they reason about what to do, take an action, observe the result, and decide what to do next.
Goal / Query → Agent Planner → Tool Selection → Tool Execution → Reflection Loop → Final ResultReAct Framework
Reason → Act → Observe → Repeat. One agent-control pattern; other workflows use predefined steps or different control structures.
Tool Calling
Agents call APIs, query databases, browse web, write and run code — any function you expose as a tool.
State Management
LangGraph tracks agent state across the reasoning loop — enabling retry, branching, and memory.
Section 7
AI Engineering Tools: The 2026 Stack
The AI engineering tooling ecosystem is large but has a clear production core. These are the tools that appear in actual shipped systems — not tutorials — in 2026.
LLM ProvidersOpenAI (GPT-4o)
Model and API options; evaluate the version available to your application
Anthropic (Claude)
Model and tool-use options; compare quality, limits and safeguards on your workload
Google (Gemini)
Strong multimodal and Google Cloud integration
Ollama / local LLMs
On-premise deployment for data-sensitive enterprise use cases
LangChain
Framework for LLM pipelines and retrieval workflows
LlamaIndex
Tools for document ingestion and indexing
LangGraph
Stateful agent workflows — the production-grade agent framework
Haystack
Enterprise RAG with strong evaluation tooling
Pinecone
Managed cloud vector DB — evaluate hosting, cost and retrieval requirements
Weaviate
Open-source with hybrid search and GraphQL API
ChromaDB
Local-first, ideal for development and prototyping
pgvector
PostgreSQL extension — use your existing Postgres for vectors
LangGraph
Graph-based stateful agent execution — production-grade
CrewAI
Role-based multi-agent collaboration framework
AutoGen
Microsoft's conversational multi-agent framework
MCP (Anthropic)
Open protocol for connecting AI to enterprise tools and data
FastAPI
Python API framework — one option for serving Python AI applications
Docker
Containerisation for consistent, portable AI service deployment
AWS Lambda / GCP Cloud Run
Serverless deployment for event-driven AI services
Vercel
Edge deployment for Next.js AI applications
LangSmith
Tracing, debugging, and evaluation for LangChain applications
RAGAS
Automated RAG evaluation — faithfulness, relevancy, context recall
DeepEval
LLM evaluation framework with custom metric support
Weights & Biases
Experiment tracking and model monitoring
Section 8
Career Opportunities in AI Engineering
AI engineering skills map to a growing set of distinct job titles and team functions. The roles below describe different responsibilities to look for in current vacancies; naming and scope vary by employer.
🤖AI Engineer
Designs and builds RAG systems, LLM APIs, and AI pipelines for product or internal enterprise use. The most common title.
Demand: Very high 🔍RAG Engineer
Specialist in retrieval pipeline design — chunking strategy, embedding model selection, vector DB tuning, and RAGAS evaluation.
Demand: High ⚡LLM Application Developer
Builds end-user AI applications (chatbots, assistants, copilots) using LLM APIs, frameworks, and deployment infrastructure.
Demand: Very high 🌐AI Automation Engineer
Builds workflow automation using AI agents — integrating with business tools (Slack, Gmail, CRMs, ERPs) via APIs and MCP.
Demand: Growing fast 🏗️AI Systems Architect
Senior role — owns the architecture of AI platforms including multi-agent systems, MCP servers, and AI observability infrastructure.
Demand: High, senior 💡AI Technical Consultant
Advises enterprise clients on AI adoption strategy, RAG architecture, LLM selection, and proof-of-concept builds.
Demand: High, experiencedBeyond individual contributor roles, AI engineering skills are increasingly required for engineering managers, CTOs, and technical co-founders — anyone who needs to evaluate AI vendor claims, review AI architecture decisions, or lead a team building AI systems.
Section 9
AI Engineering Salary in India — 2026
Dated salary reference, not a course outcome: foundit’s October 2025 India report lists AI ranges of ₹7.9–13.7 lakh per annum for 0–3 years, ₹20.1–30.1 lakh for 7–10 years and ₹63.3–79.6 lakh for 15+ years. These broad AI categories are not a September 2026 salary survey of LLM application engineers, and they do not establish a pay premium for any named framework. Read the dated foundit salary report and its scope.
The old role-specific salary bands had no traceable dataset. The dated external reference below replaces those figures; it covers broad AI roles rather than each job title in this guide. Compare current offers separately.
| Level | India (LPA) | Profile |
|---|---|---|
| Junior AI Engineer | Use the dated AI salary reference in the salary section, then compare current role scope and offers. | 0–2 years experience; knows RAG basics; limited production exposure |
| Mid-level AI Engineer | Use the dated AI salary reference in the salary section, then compare current role scope and offers. | 2–5 years; shipped RAG systems; LangGraph proficiency; agent experience |
| Senior AI Engineer | Use the dated AI salary reference in the salary section, then compare current role scope and offers. | 5+ years; system design ownership; MCP; evaluation infrastructure; led teams |
| AI Architect / Lead | Use the dated AI salary reference in the salary section, then compare current role scope and offers. | Platform-level thinking; multi-agent orchestration; enterprise AI strategy |
| AI Technical Consultant | Use the dated AI salary reference in the salary section, then compare current role scope and offers. | Independent or firm-based; project-based pricing is often significantly higher |
Section 10
AI Engineering Learning Roadmap
This is a sequenced roadmap — not a topic list. The sequence matters because each stage depends on the one before it. Skipping ahead produces gaps that surface as production bugs.
1 Stage 1Python Fundamentals
2–4 weeks (skip if already intermediate)- ✓ Functions, classes, and modules
- ✓ Dictionaries, lists, JSON handling
- ✓ REST API calls with requests
- ✓ Basic error handling and logging
LLM API Fundamentals
1–2 weeks- ✓ OpenAI / Anthropic / Gemini API calls
- ✓ System prompts, few-shot prompting
- ✓ Token counting and context window management
- ✓ Structured output with Pydantic
RAG Foundations
3–5 weeks- ✓ Document loading and text chunking strategies
- ✓ Embedding models and vector representations
- ✓ Vector database setup (Pinecone or ChromaDB)
- ✓ Similarity search and basic RAG pipeline
- ✓ Your first deployed RAG application
Advanced RAG
2–3 weeks- ✓ Multi-query retrieval and query rewriting
- ✓ Hybrid search (BM25 + dense vectors)
- ✓ Re-ranking with cross-encoders
- ✓ RAGAS evaluation framework
- ✓ Graph RAG and knowledge graph retrieval
Agentic AI with LangGraph
3–4 weeks- ✓ ReAct agent pattern and tool calling
- ✓ LangGraph nodes, edges, and state management
- ✓ Reflection and error-correction loops
- ✓ Multi-agent systems with CrewAI
- ✓ Memory: conversation, entity, and external stores
MCP, Deployment & Production
2–3 weeks- ✓ Model Context Protocol — architecture and server building
- ✓ FastAPI + Docker — production API packaging
- ✓ Cloud deployment (AWS Lambda, GCP Cloud Run, or Vercel)
- ✓ LangSmith observability — tracing and monitoring
- ✓ Cost management and rate limiting
Section 11
Recommended Training Path at Technovids
Knowing the roadmap is one thing — getting through it with production-quality results is another. Here is how Technovids structured learning maps to the AI engineering path above.
📚 Individual developersAI Engineering Course
Live instructor-led programme covering all 6 stages. 80 hours (40 live plus about 40 project/lab hours), weekends or weekday late evenings, five portfolio builds, free career strategy call. Best for individual developers and career-switchers.
View AI Engineering Course → 🏢 Corporate teams (8–20)Production AI Engineering
40-hour private corporate programme, for example five eight-hour days or ten four-hour sessions. Advanced — covers RAG, LangGraph agents, and MCP at production depth. Customised to your tech stack.
View Production Programme → 🎯 Career-focused individuals1:1 AI Engineering Mentorship
3-month personalised mentorship. Curriculum adapts to your goals, stack, and learning pace. Confirm mentor availability before enrolment. 5 production projects on GitHub.
View Mentorship Programme →Building AI capability across your entire organisation?
View Corporate AI Training Programs for teams →Section 12
Frequently Asked Questions about AI Engineering
What is AI Engineering? +
AI Engineering is the discipline of designing, building, and deploying production-grade artificial intelligence systems using large language models (LLMs), RAG, and agentic AI frameworks. AI engineers build the applications that use AI as a component — they do not train the underlying models.
Is AI Engineering the same as Machine Learning Engineering? +
No. ML Engineering focuses on training, optimising, and serving ML models. AI Engineering (in the 2025–2026 sense) builds applications on top of pre-trained LLMs — using RAG, tool calling, agents, and MCP integrations. You do not need to train models to be an AI engineer.
Do I need a machine learning background to become an AI engineer? +
No. Modern AI engineering uses pre-trained LLMs via API. The skills you need are intermediate Python, REST API knowledge, software engineering principles, and LLM framework proficiency. A data science or ML background is helpful but not required.
What Python level do I need for AI Engineering? +
Intermediate Python — comfortable with functions, classes, dictionaries, API calls, and JSON handling. If you have built a simple REST API or automation script in Python, you are ready to start with LLM frameworks and RAG.
What is RAG in AI Engineering? +
RAG (Retrieval-Augmented Generation) connects an LLM to your external data — documents, databases, knowledge bases — enabling accurate, grounded AI responses. Retrieval quality, access controls and evaluation determine whether it works for a particular system.
What is Agentic AI and how does it differ from RAG? +
RAG is a single-cycle pattern: retrieve context, generate answer. Agentic AI involves multi-step reasoning and action loops: the agent plans, selects tools, executes actions, observes results, and decides what to do next. LangGraph is one option for stateful agent workflows; choose an approach that fits the task.
What is MCP (Model Context Protocol)? +
Model Context Protocol (MCP) is an open standard by Anthropic for connecting AI models to external tools, data sources, and APIs. It allows you to build reusable MCP servers that any MCP-compatible client (Claude, Cursor, custom apps) can discover and use.
What is the difference between AI Engineering and Data Science? +
Data scientists build predictive models from historical data using ML techniques. AI engineers build production applications using pre-trained LLMs — RAG systems, agents, APIs. Data science needs statistics and ML theory; AI engineering needs software design and LLM frameworks.
What is the salary for an AI Engineer in India in 2026? +
There is no single verified salary for this title. Use the dated external benchmark below, then compare current vacancies with the same experience band, responsibilities, location and compensation structure. A course or project does not guarantee an offer.
How long does it take to become production-ready as an AI engineer? +
There is no fixed time to production readiness. Use milestones: build a working application, test failure cases, evaluate quality, control access and cost, and explain deployment trade-offs. Structured feedback can help identify gaps, but a course duration is not a guarantee of readiness.
What are the most important AI engineering tools in 2026? +
Core stack: LangChain (pipelines), LangGraph (agents), LlamaIndex (document indexing), Pinecone or Weaviate (vector DBs), FastAPI (deployment), Docker (containerisation), LangSmith (observability), and MCP (enterprise tool integrations).
Can a data scientist transition into AI engineering? +
Yes — it's one of the most natural transitions. Your Python fluency, data intuition, and understanding of model limitations transfer directly. The new skills to add are LLM framework proficiency (LangChain, LangGraph), RAG architecture, API deployment, and agent design patterns.
Explore the AI Engineering Cluster
📚AI Engineering Course
Live instructor-led · Individual developers
🏢Production AI Engineering
Corporate team programme · 40 hours
🎯1:1 AI Engineering Mentorship
3-month personalised mentorship
🗺️AI Engineering Roadmap
Skills, tools, projects and career path 2026
🏭RAG Training India
Retrieval-Augmented Generation courses
⚡LangChain Training India
LangChain & LangGraph courses
💰AI Engineer Salary India
Salary ranges, roles and career guide
🛠️AI Engineer Skills
Technical, GenAI, RAG, agents & deployment
🏗️AI Engineer Projects
RAG, LLM, agent & portfolio project ideas
📖What is RAG?
Retrieval-Augmented Generation explained
🗄️What is a Vector Database?
Embeddings, semantic search and RAG retrieval
⚖️RAG vs Fine-Tuning
When to use each for LLM applications
🤖What Are AI Agents?
Agentic AI, tools, workflows & examples
🧠Agentic AI Explained
Workflows, agents, tools and enterprise examples
⚔️LangGraph vs CrewAI
Which AI agent framework should you use?
🔌What is MCP?
Model Context Protocol for AI agents explained
🔗What is LangChain?
LangChain framework for LLM apps and RAG explained
🎯AI Engineering Interview Questions
RAG, LLMs, agents, system design and project prep
🏗️Production RAG Architecture
13-layer guide: ingestion, retrieval, reranking, deployment
🔀What is LangGraph?
Stateful AI agent workflows, nodes, edges, and state explained
✍️Prompt Engineering Guide
Prompts, RAG, agents, structured outputs and production use
Related Glossary Terms
Retrieval-Augmented Generation Agentic AI LangChain Model Context Protocol Vector Database Large Language ModelLooking for all Technovids AI Engineering guides in one place? Browse the AI Engineering Resource Library →
Ready to Go From Guide to Practice?
Reading about AI engineering and building AI systems are two very different things. Start building — with live instruction, code review, and 5 deployable projects on your GitHub.
View AI Engineering Course → Explore 1:1 MentorshipSalary evidence and how to compare an offer
Ask whether a figure means fixed annual pay, total cost to company, target bonus or total compensation including equity. Compare like-for-like experience and role scope. Do not map the source’s 7–10-year band onto a 3–6-year position or assume all senior roles match its 15+ category.
Put the guide into practice
Three layers of an AI application
A useful way to understand the role is to follow the work from a user need to an operable service.
Application and data
Define inputs, user access, sources and the software around the model.
Take away: A clear task and a reliable data boundary.
Explore application developmentModel and workflow
Choose where generation, retrieval or tool use helps the task.
Take away: An understandable flow from evidence to output.
Explore grounded answersEvaluation and operations
Test behaviour, deploy the service and investigate failures.
Take away: Evidence that the complete application meets its purpose.
Explore production operations
What does an AI engineer actually do?
Consider a fictional support assistant. The engineer prepares policy documents, builds retrieval, connects a model, validates responses and exposes the service through an interface. They also test exceptions and inspect failed requests.
The work includes ordinary software engineering: configuration, tests, APIs, version control and deployment. The model introduces additional uncertainty, so output quality must be assessed rather than assumed from a successful HTTP response.
AI engineering, data science and software engineering overlap
Data science often emphasises investigation, modelling and extracting insight from data. Software engineering emphasises building and maintaining systems. AI engineering applies those capabilities around model-driven behaviour.
These are working distinctions, not universal job-title rules. Read the actual responsibilities: a role focused on training models needs different depth from one building a document assistant with hosted models.
Two common patterns: grounded answers and tool-using workflows
RAG retrieves relevant external information before generating an answer. It suits questions that need a maintained source collection. An agent workflow can choose supported tools based on observations when a fixed sequence is insufficient.
For the support example, retrieval can answer a policy question. Looking up an order requires an authorised tool. Issuing a refund is a separate business action with additional rules; it is not simply a more elaborate prompt.
Choose tools by responsibility
Learn Python, APIs and testing before building a large framework stack. Add retrieval infrastructure for search, orchestration for stateful workflows and deployment tools for serving users.
LangChain, LangGraph and MCP address different layers. You do not need all of them in every application. Record why each dependency exists and which part you could replace without rewriting the whole system.
Match a career direction to the work you enjoy
Application developers focus on useful interfaces and integrations. Retrieval-focused engineers work deeply with source preparation and search quality. Platform-oriented engineers emphasise deployment, evaluation infrastructure and operations.
Architecture and consulting work additionally require requirements discovery, trade-off communication and ownership across teams. Titles vary by employer; assess scope and expectations rather than treating a label as a standard qualification.
Choose a starting direction
| Situation | Approach | What to check |
|---|---|---|
| You enjoy building services | LLM application development | Inputs, validation and API design |
| You enjoy data and search | Retrieval engineering | Source quality and evidence relevance |
| You enjoy reliable systems | AI platform and operations | Evaluation, releases and incidents |
Practice brief · Fictional data
Map a small support assistant
Use fictional policies and sketch a service that answers questions without making account changes.
What to produce
- User task and source inventory.
- Architecture showing deterministic and model-driven steps.
- Three questions with expected behaviour.
Acceptance checks
- The purpose is narrower than “answer anything”.
- Sources can be traced.
- Missing information has an explicit response.
- No unauthorised account action is implied.
This is an illustrative learning exercise, not a client case study or a measured outcome.
Common questions
Must every AI engineer train models from scratch?
No. Application-focused work can integrate existing models. Model training is a separate capability required by some roles.
Is prompting enough to become an AI engineer?
Prompting is useful, but application roles also require programming, data handling, testing and deployment skills.
Continue learning
Build the skills through guided practice
Review the live-online AI Engineering curriculum, prerequisites and project work to see whether it matches your next learning step.
Explore the AI Engineering course →Sources and further reading
Examples and decision frameworks are original teaching material. Product-specific implementation details should be checked against the version you use.