Scale up your career with the leading certification for Commerce Architects

register nowKEY Topics

Unlock the path to mastering ecommerce architecture and the full potential of VTEX solutions. Give the next step and distinguish yourself as an expert in commerce architecture through the Commerce Architecture Certification.

Know More

Understand the CAC exam levels

Exam level

Exam format

Exam duration

Recommended for

What is required of candidates?

CMX Level 1

Register

120 multiple choice questions

120 minutes

Professionals with 2,000h of experience

  • Display understanding of foundations of commerce. 

  • Articulate definition of key concepts and commerce terminology.

  • Understand the importance of all knowledge dimensions for commerce operations.

CMX Level 2

Register

40 multiple choice questions

200 minutes

Professionals with 4,000h of experience

  • Understand the application of key commerce concepts in real-world scenarios.

  • Demonstrate problem solving skills required at a senior level commerce profissional.

  • Understand the close relationship between the knowledge dimensions and the impact of each one on the others. 

CMX Level 3

Register

15 multiple choice + 15 essay type questions

240 minutes (with additional 15 minutes to pre read the questions)

Professionals with +8,000h of experience

  • Understand application strategies in real world scenarios.

  • Demonstrate in-depth experience of holistic problem solving skills in commerce management.

  • Display actionable knowledge with and a deep understanding of all knowledge dimensions

CAC Level 1

CAC Level 2

CAC Level 3

Exam format

120 multiple choice questions

40 multiple choice questions

10 essay type questions

Exam duration

2 hours and 40 minutes

3 hours and 20 minutes

4 hours and 15 minutes

Pre-requistes

Anyone can apply for the exam

You need to have CAC Level 1 in order to apply

You need to have CAC Level 2 in order to apply

Renewal

Title is valid for 2 years after issued date. After expiration candidates must retake the CAC Level 1 exam

Title is valid for 2 years after issued date. After expiration candidates must retake the CAC Level 2 exam

Title is valid for 2 years after issued date. After expiration candidates must retake the CAC Level 3 exam.

Exam Language

English

English

English

CAC Level 1

CAC Lev

Exam format

120 multiple choice questions

Exam duration

2 hours and 40 minutes

Pre-requistes

Anyone can apply for the exam

Renewal

Title is valid for 2 years after issued date. After expiration candidates must retake the CAC Level 1 exam

Exam Language

English

evel 1

CAC Level 2

CAC Lev

Exam format

40 multiple choice questions

Exam duration

3 hours and 20 minutes

Pre-requistes

You need to have CAC Level 1 in order to apply

Renewal

Title is valid for 2 years after issued date. After expiration candidates must retake the CAC Level 2 exam

Exam Language

English

    evel 2

    CAC Level 3

    Exam format

    10 essay type questions

    Exam duration

    4 hours and 15 minutes

    Pre-requistes

    You need to have CAC Level 2 in order to apply

    Renewal

    Title is valid for 2 years after issued date. After expiration candidates must retake the CAC Level 3 exam.

    Exam Language

    English

    What is the CAC Certification

    The Commerce Architecture Certification evaluates proficiency in commerce architecture, with a specific focus on VTEX solutions.

    With three increasingly difficult levels - CAC Level 1, CAC Level 2, and CAC Level 3 - this certification is designed to comprehensively assess candidates' expertise in navigating and implementing commerce architecture within the VTEX framework.

    Key Topics

    Find below the topics that are covered in the CAC exams:

    Web Architecture Fundamentals

    This group of topics covers the fundamental concepts of ecommerce architecture that are essential for understanding how ecommerce systems work.

    • HTTP Protocol - Understanding the key features of HTTP protocol, such as statelessness and caching

    • Web Application Architecture - Knowledge of web application design patterns, including serverless architectures, single page applications, event-driven architectures and their benefits and drawbacks in the context of ecommerce systems.

    Development Skills

    This group of topics covers the basic programming skills necessary for building and maintaining ecommerce systems.

    • Structured Programming Principles - Basic understanding of structured programming principles, such as variables, loops, and functions

    • API Usage - Ability to make API calls, including an overview of RESTful APIs and JSON

    • VTEX Frameworks - Understanding VTEX IO, how it works, how to manage workspaces and apps, Store Framework and understanding VTEX Faststore, how it works, how to build storefronts using it and how to use Headless CMS

    VTEX Technology

    The VTEX Basics domain evaluates candidates' proficiency in the fundamental components of VTEX systems, VTEX specific architecture, and VTEX protocols and their ability to apply this knowledge to effectively work with VTEX projects

    • VTEX Core Modules - Understanding of VTEX core modules, including catalog, promotions, pricing, logistics, and other key components of the VTEX Platform

    • VTEX Architecture - Knowledge of typical VTEX architecture models, including how to structure VTEX projects

    • VTEX Protocols - Understanding of VTEX protocols, including the Payment Provider Protocol, Giftcard Provider Protocol, and Tax Hub Protocol, as well as how to build an external provider for each protocol

    Performance and Analytics

    This group of topics covers techniques for optimizing ecommerce site performance, including techniques for minimizing page load times, optimizing database queries, and caching, as well as how to collect and analyze performance data to improve site performance.

    • Website Performance Metrics - Knowledge of website performance metrics, including the Core Web Vitals metrics related to loading speed, interactivity, and visual stability, and how to measure them

    • Server-side Optimization - Understanding of server-side performance optimization techniques, including database optimization, server configuration, and content delivery networks (CDNs)

    • Client-side Optimization - Understanding of client-side performance optimization techniques, including minimizing HTTP requests, optimizing images, and reducing render-blocking resources

    • Ecommerce Analytics - Understanding of ecommerce analytics, including data collection and analysis techniques to measure and improve website performance, such as A/B testing, funnel analysis, and user behavior tracking

    Security and Compliance

    This group of topics covers the security risks and compliance requirements specific to ecommerce systems.

    • Ecommerce Security - Understanding of ecommerce-related security risks and how to mitigate them, including measures to prevent common attacks such as cross-site scripting and SQL injection

    • Compliance Requirements - Understanding of ecommerce-related compliance requirements such as PCI DSS and GDPR, and how to ensure compliance with these standards

    Architecture Best Practices

    This group of topics covers the techniques for ensuring high availability, scalability, and optimal performance of ecommerce systems.

    • Load Testing - Understanding of how to perform load testing to identify and mitigate bottlenecks in ecommerce architecture

    • Auto-Scaling - Understanding of auto-scaling techniques, including how to use cloud infrastructure to automatically adjust resources based on demand

    • Message Queues - Understanding of message queuing systems and how they can be used to improve the scalability and reliability of ecommerce systems

    • Event-Driven Architecture - Understanding of event-driven architecture and its application in ecommerce systems

    • Load Balancing Techniques - Understanding of how to use load balancing techniques to ensure high availability

    • Content Delivery Networks - Understanding of CDN architecture and benefits, such as improved performance and reduced server load

    Architecture Case Studies

    Real-world examples of ecommerce architectures, highlighting best practices and lessons learned.