Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288) Intermediate
Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288) equips software developers and architects with skills to design, build, and deploy containerized applications on OpenShift. It solves the challenge of slow, error-prone deployments by teaching CI/CD pipelines, Helm, and health checks, boosting developer productivity. The course supports all OpenShift variants, including ROSA and ARO, based on OpenShift 4.18.
This course prepares learners for the Red Hat Certified Advanced Developer in Cloud-native Applications (EX288) exam. Koenig Solutions offers official vendor-authorized courseware and Guaranteed-to-Run dates, ensuring training proceeds even with a single participant. Gain hands-on expertise to accelerate application delivery and lead cloud-native transformation in enterprise environments.
Training Formats & Pricing
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Course Overview
Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288) is a hands-on training course by Red Hat designed for software developers, DevOps engineers, and application architects who want to master containerized application development on Kubernetes. This course prepares learners for the Red Hat Certified Specialist in OpenShift Application Development exam (EX288), a key credential for professionals working with enterprise cloud-native platforms. With 83% of Fortune 500 companies now adopting OpenShift to streamline their cloud strategies, expertise in Red Hat OpenShift is in high demand across industries seeking to modernize application delivery and improve deployment agility.
The course provides in-depth, practical experience with core technologies including Red Hat OpenShift Container Platform, Kubernetes, Helm Charts, Kustomize, OpenShift Pipelines (based on Tekton), and the Source-to-Image (S2I) framework. Students engage in extensive hands-on labs conducted within a real OpenShift cluster environment, where they build, deploy, and manage multi-container applications. A key project involves creating a CI/CD pipeline using OpenShift Pipelines to automate application builds and deployments, while also implementing health checks, managing configuration with ConfigMaps and Secrets, and deploying applications using Helm and Kustomize to reflect real-world DevOps workflows.
By completing Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288), participants gain the skills needed to earn the Red Hat Certified Specialist in OpenShift Application Development credential, which is recognized globally and counts toward the Red Hat Certified Architect (RHCA) certification. Certified professionals report average salary increases of 20–25%, with cloud-native developers earning median salaries exceeding $110,000 in the United States. Koenig Solutions supports learners with Guaranteed-to-Run classes and official Red Hat courseware, ensuring access to structured, expert-led training. Mastering these skills positions developers to lead cloud-native transformation initiatives and advance into senior DevOps and platform engineering roles.
What You'll Learn
Prerequisites
- "Recommended Background": "Students should possess a solid understanding of container concepts (images, registries) and be comfortable reading and writing YAML/JSON manifests, as these are essential for defining Kubernetes objects and interacting with the OpenShift cluster via the 'oc' CLI." "Some experience with web application architectures and their corresponding technologies": "Understanding web application architectures is necessary to effectively configure services, routes, and ingress controllers when deploying multi-tier applications in Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288)." "Familiarity with Kubernetes or OpenShift basic objects such as pods, deployments, and services": "Familiarity with core Kubernetes objects is required to build upon existing knowledge of pods, deployments, and services to implement more complex application architectures in Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288)." "Experience using a Linux terminal session, issuing operating system commands, and familiarity with shell scripting": "Proficiency in Linux terminal navigation and shell scripting is required to effectively use the 'oc' CLI for managing resources and automating deployment tasks within Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288)." "Completion of Red Hat OpenShift Developer I: Introduction to Containers with Podman (DO188) or equivalent knowledge of building, running, and managing containers with Podman": "Completion of DO188 or equivalent experience is required to ensure foundational knowledge of container lifecycles, image creation, and registry interaction, which are prerequisites for the advanced application development covered in Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288)."
Certification Exam
Everything you need to know about the DO288 certification exam
Course Curriculum
Structured learning with hands-on labs and real-world scenarios
1
Day 1– Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288) Foundations
2
Day 2– Deploying Scalable Applications on OpenShift
3
Day 3– Optimizing Container Images with Red Hat
4
Day 4– Advanced Deployment and Multi-container Orchestration
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Official Courseware
Hands-On Lab Environment (30 days)
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Hands-On Lab
Live Lab Sandbox
Real EnvironmentPractice in a real lab environment with full access to the tools and services covered in the course.
30+ Guided Labs
30+Step-by-step lab exercises designed to reinforce each module with practical, hands-on tasks.
Lab Manual Included
Full GuideComprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.
Post-Training Access
30 Days30 days of extended lab access after your training ends so you can continue practicing.
Career Outcomes
of DO288 certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the DO288 certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Red Hat OpenShift Developer
- Kubernetes Application Developer
- Cloud Native Software Engineer
- DevOps Engineer (OpenShift)
- Container Platform Specialist
Companies Hiring
and 5,000+ organizations worldwide seeking DO288 certified professionals
Course Student Reviews
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“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
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“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the DO288 training course
Is the Red Hat Certified OpenShift Application Developer Exam (EX288) included in Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288), and what is the fee?
What training formats does Koenig offer for Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288), and is there a Guaranteed-to-Run schedule?
How long is lab access provided for Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288), and what environment is used?
What is the rescheduling and cancellation policy for Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288) at Koenig?
What is the format, duration, and passing score of the Red Hat EX288 certification exam?
How long is the Red Hat Certified Advanced Developer in Cloud-native Applications certification valid, and how is it renewed?
What post-training support does Koenig provide after completing Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288)?
What are the recommended prerequisites for Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288), and what experience is needed?
What is the average salary impact for professionals certified in Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288)?
How does Red Hat OpenShift Developer II: Building Kubernetes Applications (DO288) compare to self-study for EX288 exam preparation?
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