Java Developer (Multithreading)
Apptad Inc
Role : Java Developer (Multithreading)
Location : Princeton, NJ
Position Type : Contract
Job Description :
Multithreading concepts who has worked in BFS, Finance & Fintech domains
Mandatory Skills :
Java, Microservices, MS SQL Server, React, Spring Boot, Multithreading, GitHub Co-Pilot Core Java Threading & locks & Mongo DB
Requirement:
Concurrency Architecture: Build ultra-scalable, non-blocking asynchronous microservices.
Threading Management: Optimize low-level java.util. concurrent components, thread pools, and locks.
Modernization: Transition high-load I/O workloads to Java 21 Virtual Threads (Project Loom).
Performance Tuning: Eliminate deadlocks, race conditions, thread starvation, and memory leaks.
Diagnostics: Run thread dump analysis, heap dumps, and GC tuning using profilers.
Must know
Core Java: Deep expertise in Java 17/21 memory models and synchronization primitives.
Spring Ecosystem: Advanced Spring Boot engineering, focusing on @Async task executors and WebFlux.
High Throughput: Hands-on experience with Kafka/RabbitMQ, or ultra-low-latency event streaming.
Database Locking: Mastery over optimistic/pessimistic locking and database isolation levels.
Build resilient, low-latency, and multi-threaded Java applications.
Full Stack Development Build user facing interfaces HTML CSS JS Angular React and server-side logic Java Spring Boot
Database Management Design develop and maintain relational databases SQL Oracle PostgreSQL
API Microservices Develop test and integrate RESTful APIs and microservices architectures
Testing Debugging Perform unit testing troubleshoot applications and fix bugs to ensure quality
Deployment DevOps Deploy code to environments using containerization tools like Docker and Kubernetes
Collaboration Work with cross functional teams Product Managers QA in Agile Scrum environments
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