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Home / Courses / Building Harnesses for Reliable Generative AI Systems

GA Nanodegree
WSQ Certificate

Building Harnesses for Reliable Generative AI Systems (GA200)

Advanced Generative AI Course in Singapore for professionals ready to build, evaluate and run reliable AI systems.

Course Ref. No.: TGS-2025059611 (Online) and TGS-2025059894 (Classroom)

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Generative AI Course (WSQ-Certified)
Intermediate LevelPrerequisites Required
30,000+Skilled Professionals
Industry PractitionersNot just theorists
Up to 70% OffWith SSG, SFC & SFEC
4,000+5-star reviews
Building Harnesses for Reliable Generative AI Systems (GA200)
SchedulesFor Corporate

Built to Last, Not Just to Demo

Make Your AI Actually Work When It Matters

From Championing AI Tools to Running Them Reliably

GA100 gave you the confidence to use AI agents and lead adoption within your team. GA200 is the advanced Generative AI course for the next step: setting those systems up so they hold up in daily use, without needing to write a single line of code.

Get Multiple AI Agents Working Together

Move past single-prompt thinking. Learn to set up specialised agents that hand off tasks to each other and complete a full workflow on their own, not just answer one question at a time.

Get Accurate Answers From Your Own Documents and Images

Learn multi-modal RAG, a way of connecting AI to your own documents, images and data so it gives grounded answers instead of confident guesses. No coding required, just the right setup and tools for reliable AI systems.

Learn Why AI Systems Break, and How to Stop It

A working demo and a system you can rely on every day are two different things. Learn the practical checks, safeguards and evaluation methods that keep multi-agent setups accurate and consistent once real people start using them daily.

1
Prerequisite — Complete This FirstGA100
Done
Prompt EngineeringContext EngineeringMCPRAGAI Agents and workflowsAI Governance
2
Your Next StepGA200
NEW
Context EngineeringHarness EngineeringMulti-AgentsMultimodal-RAGSkillsEvaluation & Guardrails
View Schedules

Is This Course For You?

Built for professionals who have moved beyond basic AI use and now need to make reliable AI systems work across teams, data and real business workflows.

AI Champions

AI Champions

You're already pushing AI adoption in your org. GA200 gives you the judgment to make the right recommendations to leadership and across departments, not just your own team.

Team Leads & Managers

Team Leads & Managers

Everyone's using AI ad hoc. Someone needs to structure it. Learn how to set up AI use across your team so it's consistent, not a patchwork of individual habits.

Vendor & Project Owners

Vendor & Project Owners

You'll be the one evaluating what an AI vendor pitches you. Know enough to ask the right questions, or you'll approve a system that quietly fails once it's live.

Upskillers

Upskillers

You've automated your own tasks. Now learn to build workflows that hold up across teams and departments, not just at your desk.

Skills You'll Gain

These are the practical building blocks behind AI systems that are accurate, safe, measurable and dependable beyond a one-off demo.

Prompt Engineering
Context Engineering
Harness Engineering
Loop Engineering
Multi-Modal RAG
Multi-Agent
Persistent Memory & Skills
For Individuals

Real People. Real Skills. Real Change.

These aren't polished case studies — they're honest accounts from working professionals who decided to learn something new and discovered what they were capable of.

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Explore Learners Showcase
For Teams & Organisations

Ready to Build an AI-Capable Team?

Join 300+ organisations, from finance to the public sector, that have already equipped their teams with practical, job-ready AI skills.

300+organisations trained
Changi
Temasek Trust
Lion Global Investors
Unilever
UOB
Read Our Corporate Case Studies

Advanced Generative AI Course Overview

You already know how to use AI tools. This advanced Generative AI course teaches you how to keep AI systems working once your team, your clients or your data depend on them. No coding required, just the frameworks that keep multi-agent systems accurate, consistent and safe as they scale beyond a single user.

Course Modules

Go beyond single prompts and one-off automations. In just 18 hours, you'll gain hands-on experience designing AI systems that hold up under real, repeated use, from multi-agent coordination to multi-modal RAG. By the end of this course, you will be able to:

Build AI Agents That Work Together

Design multiple AI agents that coordinate on a shared task, handing off context between them so a full workflow gets done, not just one prompt at a time.

Connect AI to Your Real Data, Reliably

Set up multi-modal RAG so your AI system pulls answers from documents, images and business data instead of guessing, keeping outputs accurate and current.

Keep Your AI Systems Accurate Over Time

Learn how to structure the memory and feedback loops behind an AI system so it stays reliable and improves with use, not just on the day it was built. This is the foundation of AI system reliability.

Spot and Prevent AI System Failures

Learn to identify where multi-agent workflows break down, from silent errors to bad handoffs, and build in the checks that catch them before real users do.


A practical advanced AI curriculum covering reliable system design, knowledge engineering, safe agent behaviour, evaluation and the trade-offs behind real deployment.

Lesson 1: Working with Modern AI SystemsCollapse
  • Understand how AI systems have moved from answering questions to completing multi-step work.
  • Get hands-on with work-oriented AI environments such as ChatGPT Work and Claude Cowork.
  • Distinguish between instructions, reusable Skills, tools, connectors and permissions in an AI system.
  • Decide what work can be delegated to AI, what needs configuring in advance, and what still needs human oversight.
Lesson 2: Giving AI the Right InformationExpand
Lesson 3: Working with AI BuildersExpand
Lesson 4: Designing Safe and Capable AgentsExpand
Lesson 5: Making AI Agents ReliableExpand
Lesson 6: Building Beyond a Single AI PlatformExpand

Course Fees & Subsidies

We believe upskilling should be accessible. That's why eligible Singaporeans and PRs can enjoy up to 70% SSG subsidy. Stack it with SkillsFuture Credits and PSEA, and you could pay as little as $0.

User Group
Course price before subsidy
After SSG Subsidy
Singaporeans aged 40 and above
SSG 70%
Course Fees (incl. GST)
$1,907.50 (incl. GST)
After SSG subsidy
$682.50save $1,225.00 (64%)
Singaporeans aged 21-39 & PRs aged 21+
SSG 50%
Course Fees (incl. GST)
$1,907.50 (incl. GST)
After SSG subsidy
$1,032.50save $875.00 (46%)
Foreign nationals, non-PRs
No Subsidies
Course Fees (incl. GST)
$1,907.50 (incl. GST)
After SSG subsidy
$1,907.50

Pay even less by stacking SkillsFuture Credits or PSEA. Find out how much you can save.

Subsidy Calculator →

SkillsFuture Subsidy (SSG) Up to 70% subsidy for eligible Singaporeans & PRs

Find out how

SkillsFuture Credits (SFC) Use to offset fees for Singaporeans aged 25+

Find out how

PSEA Use your Post-Secondary Education Account to pay course fees

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SkillsFuture Enterprise Credit (SFEC) Employer-sponsored credit for enterprise-supported training

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Pay less than $682.50 for this course!

Many of our learners stack SkillsFuture Credits or PSEA on top of SSG subsidy

Let us help you
  1. Step 1 · AI FluencyGA100AI productivity at individual/team level
  2. Step 2 · AI ChampionGA200AI productivity at organisational level Now Enrolling
  3. Step 3 · AI SpecialistChoose Your Elective
    AI100AI200DM100SE100
Heicoders Nanodegree Pathway

Build Towards a Full Nanodegree

Already completed GA100? GA200 is your next move. From there, specialise across AI, data, and software development to earn a full Heicoders Nanodegree.

GA100 was step one. GA200 is where your Nanodegree really starts to take shape, building the systems and skills that carry into every course after it.

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Heicoders Instructors team

Taught by Industry Practitioners. Trusted by Employers.

At Heicoders, you learn from the real deal: engineers, data scientists and AI specialists from top companies. They bring insider knowledge, real-world strategies and the mindset employers look for. You don't just learn what to do. You learn how the best in the field do it.

That's how you'll gain the confidence to solve problems, speak the language of tech and stand out at work. So when you learn with Heicoders, you're not just preparing for the job. You're learning from people already doing it and rooting for you to join them.

Our Instructors

Beh Min Yan

Beh Min Yan

CEO & Principal Instructor

Masters of Informations System, Carnegie Mellon University

Kong Yu Ning

Kong Yu Ning

Chief of Growth & Principal Instructor

Masters of Management Science & Engineering, Columbia University

Chan Yu Siang

Chan Yu Siang

Chief of Training & Standards & Principal Instructor

Masters of Computing, Singapore Management University

Beh Wei Chen

Beh Wei Chen

Chief Technology Officer & Principal Instructor

MSc, Georgia Institute of Technology

Darryl Wang

Darryl Wang

Senior Data Science Manager, LINE MAN

MSc Analytics, Georgia Institute of Technology

From Individuals to Organisations, Real Results Happen Here

Boon Peng Yeo

Director at Synpulse Management ConsultingGA100 Alumni, May 2026

Focus of his upskilling journey

Moving from passive AI consumption to hands-on building, applying Gen AI tools and prompt engineering frameworks to ship a working product in a senior consulting context.

How he applied his learning

  • Designed and built a Hong Kong IPO evaluator with Manus AI
  • Integrated the Yahoo Finance API for dynamic IPO data
  • Applied prompt engineering frameworks from GA100 to real workflows
  • Iterated through debugging and refinement to ship a working website

Where it led him

  • Shifted from passive AI watcher to active builder and experimenter
  • Brought hands-on Gen AI capability into consulting projects
  • Gained a clear-eyed view of the real costs and trade-offs of agentic AI
Featured Story
Boon Peng Yeo

You can't learn AI by passively watching videos or reading reports.

WD
Winston Ng Wei DeDA100 Alumni, Aug 2025 · GA100 Alumni, Dec 2025
★★★★★

"Heicoders proved me wrong, hands-on practice, industry insights, and a great capstone made all the difference."

Initially sceptical of course providers, Winston was won over by DA100's practical SQL and Tableau content under instructor Shawn. He later took GA100 and found it equally hands-on, covering LLMs, prompt engineering, and AI-enabled workflows.

DA100GA100
TJ
Tay Shea JeanDA100 Alumni, Nov 2025 · GA100 Alumni, Oct 2025
★★★★★

"Instructor Yu Siang is very patient and passionate about GA100. DA100 was equally useful for understanding how metrics tell different stories."

Jean recommends both GA100 for AI workflows and DA100 for analytical roles. She appreciated instructors Yu Siang (GA100) and Darryl, Min Yan, and Keesha (DA100) for their friendly and knowledgeable teaching.

DA100GA100
AH
Adel Kwan Siew HuiDA100 Alumni, Jun 2025 · GA100 Alumni, Aug 2025
★★★★★

"DA100 was a pleasant experience. The GA100 course equips you to excel as AI becomes more integrated into professional workflows."

Adel completed both DA100 and GA100, finding each course well-structured and practically grounded. Special thanks to instructor Yu Ning and TA Ryan for making GA100 approachable and motivating.

DA100GA100
Read more success stories

FAQs on Advanced Generative AI Course

What are the minimum entry requirements for the course?Collapse

To ensure the course is suitable for your learning needs, all learners are required to complete a short pre-enrolment assessment. This brief questionnaire (under 5 minutes) helps us understand your background and confirm that you meet the basic prerequisites:

  • English proficiency – ability to follow lessons and communicate in spoken and written English
  • Basic digital literacy – familiarity with everyday tools such as email and web browsing

Your enrolment will be confirmed once the assessment indicates the course is a good fit, helping ensure you have the best possible learning experience.

What are the payment modes? Do you accept credit card?Expand
What are the course completion and attendance requirements?Expand
How do I transfer or withdraw from my class? Is refund possible?Expand
How is GA200 different from a prompt-engineering or AI-agent course?Expand
Who should take this advanced Generative AI course?Expand
Do I need programming experience for GA200?Expand
Does GA200 cover AI reliability, governance, security and bias?Expand
What makes an AI system reliable in real-world use?Expand
How do you evaluate whether an AI agent is working properly?Expand
What is harness engineering in AI?Expand
Does GA200 teach AI governance and safe agent design?Expand

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Your AI Certification in Singapore

Walk away with an AI certification,
not just knowledge.

Complete GA200 and earn a recognised AI certification: a WSQ Statement of Attainment plus a Heicoders Academy certificate, giving you official recognition and a credential to showcase.

  • WSQ Statement of Attainment
    Awarded by SSG on successful completion, verified through OpenCerts.
  • Heicoders Academy Certificate
    Your AI certification record of achievement, ready to showcase.
  • Share it anywhere
    Add your AI certification to your LinkedIn profile in one click.
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Heicoders Academy WSQ Certificate of Achievement

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