Design, build, and maintain scalable backend microservices using Java and Spring Boot.
Work extensively with Apache Kafka to ingest, process, and stream real-time user events and content updates.
Optimize database queries, Redis caching layers, and Elasticsearch indexes to keep API response times minimal.
Write clean, maintainable code with robust unit and integration tests.
Participate actively in code reviews and follow engineering best practices.
Troubleshoot production bottlenecks and contribute to JVM and application performance tuning.
Build services that handle high-throughput traffic spikes reliably and gracefully.

Required Skills & Experience
Java & Spring Boot- Robust hands-on knowledge of Java, Spring Boot, REST APIs, dependency injection, exception handling, and application design.
Apache Kafka- Practical experience with producers, consumers, topics, partitions,



consumer groups, offsets, and event-driven processing.
Databases- Working knowledge of MySQL/PostgreSQL, SQL, indexes, joins, transactions, and query optimization.
Redis- Understanding of caching strategies, TTLs, cache invalidation, and using Redis to reduce backend latency.
Elasticsearch- Working knowledge of indexing, querying, and using Elasticsearch for full-text/content search.
Core CS- Understanding of data structures, algorithms, concurrency, multithreading, and distributed-system fundamentals.
Cloud & Containers- Exposure to AWS/GCP and Docker/Kubernetes.
Testing- Experience with unit and integration testing and maintaining production-quality code.

📌 Java Backend Developer Noida
🏢 Amar Ujala
📍 Noida