[Hiring] Java Developer @Apptad, Inc.

Role Description

Java Developer (Multithreading) with experience in BFS, Finance & Fintech domains.

Qualifications

• Deep expertise in Java 17/21 memory models and synchronization primitives.
• Advanced Spring Boot engineering, focusing on @Async task executors and WebFlux.
• Hands-on experience with Kafka/RabbitMQ, or ultra-low-latency event streaming.
• Mastery over optimistic/pessimistic locking and database isolation levels.

Requirements

• Build ultra-scalable, non-blocking asynchronous microservices.
• Optimize low-level java.util.concurrent components, thread pools, and locks.
• Transition high-load I/O workloads to Java 21 Virtual Threads (Project Loom).
• Eliminate deadlocks, race conditions, thread starvation, and memory leaks.
• Run thread dump analysis, heap dumps, and GC tuning using profilers.
• Build resilient, low-latency, and multi-threaded Java applications.
• Build user-facing interfaces using HTML, CSS, JS, Angular, React, and server-side logic with Java Spring Boot.
• Design, develop, and maintain relational databases (SQL, Oracle, PostgreSQL).
• Develop, test, and integrate RESTful APIs and microservices architectures.
• Perform unit testing, troubleshoot applications, and fix bugs to ensure quality.
• Deploy code to environments using containerization tools like Docker and Kubernetes.
• Work with cross-functional teams (Product Managers, QA) in Agile Scrum environments.

Company Description