Apache Software Foundation Guaranteed-to-Run

Apache Flink

Apache Flink is a powerful open-source framework for stateful computations over data streams, designed for real-time event processing, analytics, and continuous data pipelines. This course equips data engineers, software engineers, and analytics engineers with hands-on skills to build scalable streaming applications using Flink’s DataStream API, event-time processing, and fault-tolerant state management. With demand for Flink skills growing—32% of Software Engineer roles now require it—this training solves the critical industry challenge of delivering low-latency, exactly-once stream processing at scale.

Prepare for the Data Streaming Engineer - Apache Flink certification with Koenig’s official vendor-authorized courseware and 30-day lab access. Gain expertise in real-time ETL, CEP, and stream analytics to drive faster, data-driven decisions and advance into high-impact roles with median salaries reaching $193,550.

16 Hours (2 Days)
Live Online / Classroom
3+ professionals trained

Training Formats & Pricing

1-on-1 USD 1,100
Dedicated instructor, your schedule Fastest
Public Batch USD 850
Group class, fixed schedule Most Popular
Self-Paced USD 199
Recorded sessions, learn anytime Best Value

100% Happiness Guarantee · Free Rescheduling · Secure Payment

Course Overview

The Apache Flink course by Apache Software Foundation is designed for data engineers, software engineers, and stream processing developers seeking to master scalable, real-time data processing with one of the most active open-source stream processing frameworks. This training provides comprehensive preparation for real-world implementation of stateful computations over unbounded and bounded data streams, focusing on core competencies tested in technical assessments such as the Apache Flink certification. Target roles include Apache Flink Developer, Data Platform Engineer, and Real-Time Analytics Engineer—positions in high demand across global tech hubs like Bengaluru, New York, and San Francisco. With over 288 job postings requiring Apache Flink in recent months and 32% of Software Engineer roles listing it as a required skill, this course equips professionals with in-demand expertise for building fault-tolerant, low-latency data pipelines.

Students engage with key technologies including the DataStream API, Table API, Flink SQL, Kafka for event streaming, MySQL for CDC (Change Data Capture), and Docker-based playground environments for local execution. The hands-on lab component uses the official Flink Operations Playground, where learners build and deploy real-time streaming applications such as fraud detection models and hourly reporting dashboards using event time semantics. Participants configure stateful transformations, implement windowed aggregations, and set up watermarking strategies to ensure accurate analytics despite out-of-order data. A signature project involves constructing a continuous ETL pipeline that ingests transaction data from Kafka, processes it using time-based windows, and writes aggregated results to a JDBC sink—all within a fully containerized lab environment that mirrors production deployment scenarios.

This Apache Flink training prepares candidates for professional recognition through industry-respected technical certifications and assessments that validate expertise in stream processing architecture and API implementation. Graduates report median remote salaries of $183,000, with staff-level roles reaching up to $207,000, reflecting strong market value for these specialized skills. Koenig Solutions enhances this learning path with Guaranteed-to-Run scheduling, 1-on-1 instructor support, and access to official courseware aligned with Apache’s best practices. Upon completion, learners are positioned to lead real-time data initiatives, optimize stream processing workflows, and advance into senior engineering or data architecture roles driving innovation in data-intensive applications.

What You'll Learn

Build efficient Apache Flink streaming data pipelines to handle real-time data processing tasks
Process high-volume events seamlessly using Apache Flink's DataStream API for scalable analytics
Design robust stateful stream processing applications with Apache Flink to maintain data consistency
Configure fault tolerance in Apache Flink through state snapshots to ensure reliable job execution
Implement event time semantics in Apache Flink for precise and timely analytics results
Monitor and optimize Apache Flink job performance to ensure continuous, high-quality data processing

Prerequisites

Recommended knowledge before taking this course
  • Working knowledge of Java (version 11, 17, or 21) is essential for mastering Apache Flink, the open-source stream processing framework by the Apache Software Foundation.
  • Familiarity with Python 3.9+ is recommended for developing with PyFlink, enabling efficient big data stream analytics.
  • Experience with Maven 3.8.6 helps in configuring and managing Apache Flink projects effectively.
  • Understanding Unix-like environments such as Linux, Mac OS X, or WSL is crucial for deploying and running Apache Flink applications smoothly.
  • A basic grasp of stream processing concepts will accelerate your ability to implement real-time data solutions using Apache Flink.
  • Proficiency with Git for source code management ensures seamless collaboration and version control in Apache Flink projects.
  • These prerequisites are designed to prepare learners for comprehensive Apache Flink training, enabling them to harness the framework's full potential for scalable data processing.
Corporate Training
Get a Corporate Quote

Volume discounts · Dedicated account manager · Custom scheduling

Certification Exam

Everything you need to know about the Apache Flink certification exam

Exam Details
Exam Name
Apache Flink
Exam Cost
Not applicable
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Not applicable
Let's Talk

Request for more information

Apache Flink

We'll respond within 1 business day · No spam, ever.

Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Apache Flink Architecture and Runtime
Mastering Apache Flink cluster components Efficient Flink job submission mechanisms Optimizing Flink deployment mode configurations DataStream API fundamentals for developers Advanced resource management in Flink TaskManager and JobManager operational roles Parallelism tuning and task slots Robust Flink runtime execution models
2
Day 2– Basic DataStream API Transformations
Essential filter and map functions Effective flatMap transformation usage patterns RichFunction initialization and lifecycle teardown KeyedStream creation and stream usage Core aggregation operations for streams Stream union and connect techniques Side outputs for efficient branching Timestamp assignment basics for streams
3
Day 3– Event Time and Watermarks
Event time versus processing time Strategic watermark generation methods Handling late events in streams Tumbling window aggregation techniques Sliding window computation for analytics Session window detection and logic Allowed lateness configuration for accuracy Window trigger mechanics and control
4
Day 4– State Management and Serialization
Keyed state types in Apache Flink Operator state concepts and implementation Comparative analysis of state backends HashMap state backend usage patterns RocksDB state backend performance optimization State TTL and cleanup strategies Custom serialization formats for data Checkpointing and state persistence workflows
5
Day 5– Fault Tolerance and Production Practices
Checkpointing mechanism internals explained Exactly-once semantics guarantee implementation Failover strategy configuration for uptime High availability using Apache ZooKeeper Savepoint creation and restore operations Flink SQL for real-time analytics Advanced streaming join patterns implementation Workflow design best practices for production

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Hands-On Lab

Live Lab Sandbox

Real Environment

Practice 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 Guide

Comprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.

Post-Training Access

30 Days

30 days of extended lab access after your training ends so you can continue practicing.

Career Outcomes

78%

of Apache Flink certified professionals report career advancement within 6 months

Salary Impact

+23%

Average salary increase reported after obtaining the Apache Flink certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • Data Engineer
  • Streaming Data Engineer
  • Big Data Engineer
  • Real-time Analytics Engineer
  • Software Engineer (Apache Flink)
  • Data Platform Engineer

Companies Hiring

5,000+
Amazon Uber Netflix Alibaba Google Accenture Deloitte JPMorgan Chase Capital One Spotify

and 5,000+ organizations worldwide seeking Apache Flink certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

18,400+
Verified Reviews
4.9 / 5
Average Rating
95%
Would Recommend
1M+
Professionals Trained
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    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.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    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.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    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.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    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.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    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.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    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.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    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.”

    Rahul M.

    Rahul M.

    Azure Administrator

    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.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    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.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    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.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    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.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    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.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    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.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    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.”

    Rahul M.

    Rahul M.

    Azure Administrator

    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.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    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.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    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.”

    Rahul M.

    Rahul M.

    Azure Administrator

    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.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    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.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    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.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    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.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    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.”

    Aisha N.

    Aisha N.

    Security Analyst

    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.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    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.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    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.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    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.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    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.”

    David L.

    David L.

    AI Engineer

    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.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
100%

Happiness Guarantee

We are so confident in the quality of our training that we offer a full money-back guarantee. Not satisfied? Contact us within 24 hours of your first session — we'll refund you completely, no questions asked.

Full Refund

Within 24 hours

No Questions

Asked ever

Secure Payment

Encrypted checkout

PCI DSS

Compliant