Redis Certified Developer
Validates expertise in using Redis as a cache, database, and messaging system. Covers data structures, commands, and best practices.
Provider
Redis
Level
Professional
Duration
1–2 months
Cost
$150
Passing Score
70%
Validity
2 years
Salary Impact
+$8,000–$14,000 avg
Prerequisites
Redis hands-on experience
Basic programming skills
Database fundamentals
Exam Format
50 multiple-choice questions, 60 minutes, $150 USD
Exam Topics & Weights
Redis data structures
30%
Caching and expiration
25%
Streams and pub/sub
25%
Cluster and replication
20%
8-Week Study Plan
Weeks 1
Focus: Redis fundamentals and data structures
Redis documentation
String/List/Set/Hash
Sorted sets
Weeks 2-3
Focus: Advanced data structures and HyperLogLog
Streams
Geospatial indexes
Bitmap operations
Weeks 4-5
Focus: Caching patterns and expiration strategies
TTL and eviction
Cache invalidation
Consistency patterns
Weeks 6-7
Focus: Pub/Sub, Streams, and cluster setup
Pub/Sub messaging
Streams for queuing
Redis Cluster
Exam Tips & Strategies
Data structure knowledge is the foundation—know all 8+ major types
Caching patterns and cache stampede prevention are important
Pub/Sub vs Streams for different messaging patterns
Redis Cluster scaling and high availability concepts
Lua scripting for atomic operations
Redis as a database (not just cache) is increasingly popular
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