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Rabinarayan Patra (Rabi) — Portfolio & Technical Blog
Rabinarayan Patra, known as Rabi. SDE II at Amazon. Previously Software Engineer at ThoughtClan Technologies (3+ years).
- Authority
- 45 reach 0 · trust 5 · quality 25 · freshness 15
- Tier
- listed
- llms.txt
- https://www.rabinarayanpatra.com/llms.txt
- llms-full.txt
- https://www.rabinarayanpatra.com/llms-full.txt
- Sections
- 23
- Links
- 145
- Size
- 42195 bytes
- Country
- United States Hosting inference
- Hosting country
- United States Hosting inference
- Country evidence
- No published address evidence collected yet
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- First seen
- 2026-10-26T00:14:07.136Z
- Last checked
- 2026-10-26T00:14:10.747Z
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Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-26T00:14:07.152Z. Cached copy · Source on rabinarayanpatra.com
# Rabinarayan Patra (Rabi) — Portfolio & Technical Blog
> Rabinarayan Patra, known as Rabi. SDE II at Amazon. Previously Software Engineer at ThoughtClan Technologies (3+ years).
> Specializes in Java, Spring Boot, AWS, React, Next.js, and cloud-native architectures.
> Author of sanitizer-lib (published on Maven Central). Runs "Rabi Talks Code" on YouTube. Writes deep technical guides on backend engineering, microservices, and system design.
license: CC-BY-4.0
## About
- [Professional Journey](https://www.rabinarayanpatra.com/professional-journey): Career history, skills, and experience
- [Projects](https://www.rabinarayanpatra.com/projects): Open source and side projects
- [Full Content Archive](https://www.rabinarayanpatra.com/llms-full.txt): Raw markdown of every post and note for direct citation
## Writing — Java Development
- [How to Upload File Slices in Parallel with Java ofFileChannel](https://www.rabinarayanpatra.com/blogs/java-offilechannel-parallel-sliced-upload): Java 26's HttpClient added ofFileChannel, a BodyPublisher that uploads file slices in parallel from one FileChannel with no buffering. Here is how it works.
- [How to Redact Secrets from Java Flight Recorder in JDK 27](https://www.rabinarayanpatra.com/blogs/redact-secrets-java-flight-recorder-jdk-27-jep-536): Learn how JEP 536 makes JDK 27 Flight Recorder redact secrets in-process. Walk through redact-key and redact-argument flags with a Spring Boot example.
- [How to Read and Write PEM Files in Java (JDK 27 PEM API)](https://www.rabinarayanpatra.com/blogs/read-write-pem-files-java-pem-api): Learn how to read PEM files in Java using the new PEM API (JEP 538). Decode and encode keys, certificates, and CRLs, plus encrypt private keys in JDK 27.
- [How to Migrate Micronaut 4 to Micronaut 5 with JDK 25](https://www.rabinarayanpatra.com/blogs/migrate-micronaut-4-to-micronaut-5-jdk-25): Migrate Micronaut 4 to Micronaut 5 step by step. JDK 25 setup, Gradle 9.5 + Maven snippets, Jackson 3, JSpecify, retry API, and real upgrade pitfalls.
- [Java 26 Structured Concurrency: What Changed in the Sixth Preview](https://www.rabinarayanpatra.com/blogs/java-26-structured-concurrency-jep-525): Java 26's JEP 525 refines structured concurrency with a new onTimeout joiner and List return types. Practical guide with code and virtual thread patterns.
- [Java 26 HTTP/3 in the HttpClient: A Complete Developer Guide](https://www.rabinarayanpatra.com/blogs/java-26-http-3-httpclient): Java 26 HTTP/3 ships in the built-in HttpClient via JEP 517. Learn the opt-in API, Http3DiscoveryMode, fallback behavior, and HTTP/2 benchmarks.
- [Java 25 Virtual Threads: A Practical Guide](https://www.rabinarayanpatra.com/blogs/virtual-threads-java-25): A practical guide to Java 25 virtual threads: how they work, structured concurrency, the pinning pitfalls to avoid, and when they beat platform threads.
- [Modern Java Development: Mastering Java 21+ Features and Spring Boot Best Practices in 2025](https://www.rabina
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