Lead Java Developer
Inspiration Global is seeking a Lead Java Developer with natural curiosity and a technical mindset who is interested in actively learning, growing, and taking on more responsibility. The role involves owning and developing relationships and acting as the technical point of contact.
As a Lead Java Developer your job duties involve:
Required Skills & Experience
● 10-15 years of Java development, with 5+ years specifically in high-concurrency, transactional, or financial systems.
● Core Java 17— deep expertise in Concurrency Utilities (java.util.concurrent: ExecutorService, CompletableFuture, CountDownLatch, Semaphore, ConcurrentHashMap, Atomic classes, Locks).
● Strong understanding of multithreading concepts : thread pools, synchronization, deadlocks, race conditions, memory visibility (JMM).
● Experience building transactional, high-volume systems (payments, banking, trading, or e-commerce checkout).
● Hands-on experience with Spring Boot / Spring Framework (Spring Batch, Spring Integration a plus).
● Strong SQL and experience with RDBMS (PostgreSQL, Oracle, MySQL) under high-concurrency write loads.
● Implement and consume REST APIs for internal and third-party payment integrations.
● Hands-on ownership of Kafka or equivalent at scale — partition strategy, consumer scaling, exactly-once delivery guarantees.
Additional Information:
Job Type: On-site
Duration: Long term
Company Overview: Inspiration Global is a growing technology consulting & professional services firm with offices in Harrisburg, PA and India. IG is a Certified Minority Business Enterprise in multiple states and certifying agencies. IG helps organizations realign their existing technology investments and embrace new technologies to keep pace with their business growth. For more information, please visit:
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