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Software Engineering Software Engineer - JVM Platform Engineering Professional Multiple CitiesIBM • Wausau, Wisconsin, United States
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Software Engineering Software Engineer - JVM Platform Engineering Professional Multiple Cities

IBM
  • US
    Wausau, Wisconsin, United States
  • US
    Wausau, Wisconsin, United States
Jetzt Bewerben

Über

About the Role At IBM Software, we transform client challenges into solutions, building the world's leading AI-powered, cloud-native products that shape the future of business and society. We are building the next generation of watsonx.data—a GPU-accelerated, open data lakehouse engineered to deliver category-leading price-performance for analytics and AI workloads.
Working in Software means joining a team fueled by curiosity and collaboration, where you'll write high-performance Java across query engine components, storage connectors, and coordination services, and own JVM health in production—tuning garbage collection, eliminating memory pressure, and removing latency outliers.
Your role and responsibilities As a Software Engineer with deep Java and JVM expertise, you will design, develop, test, and deliver the performance-critical Java infrastructure that underpins the watsonx.data platform. You will work in an Agile, collaborative environment to understand stakeholder requirements, own JVM health in production, and mentor the broader team on JVM best practices.
Build High-Performance Java: Design, code, and unit test performance-critical components—query engine operators, storage I/O paths, and coordination services—using modern Java and memory-efficient, low-allocation data structures.
Engineer Concurrency: Implement thread-safe, lock-free data structures and parallel pipelines (Fork/Join, CompletableFuture, virtual threads), eliminating race conditions and deadlocks while adding backpressure and admission control.
Tune the JVM & GC: Profile and tune garbage collection (G1, ZGC, Shenandoah), heap, metaspace, and JIT settings, and allocation hot spots to remove latency outliers in production.
Contribute to CI/CD & Debug Production: Contribute to the automated CI/CD pipeline and unit-test fixes for customer-reported problems; monitor JVM health (JFR, JMX, async-profiler) and resolve crashes, OOMs, and degradations on-call.
Collaborate in Agile Environment: Partner with query engine, storage, and infrastructure teams to resolve JVM bottlenecks, conduct rigorous code reviews, and document tuning and concurrency patterns.
Required Education None
Preferred Education Bachelor's Degree
Required Technical and Professional Expertise
JVM Engineering Experience: 6+ years of professional Java engineering, including at least 2 years writing performance-critical or concurrent Java in a production data platform, database, or distributed system.
Deep Java Expertise: Mastery of modern Java (v17+), the memory model, generics, concurrency primitives, and the standard library.
GC Tuning & Profiling: Hands-on JVM garbage-collection tuning (algorithm selection, heap sizing, pause analysis, allocation profiling) and profiling with async-profiler, JFR, JMX, heap dumps, and flamegraphs.
Concurrent Programming: Proficiency with java.util.concurrent, Fork/Join, CompletableFuture, lock-free algorithms, thread-safety analysis, and off-heap or memory-efficient data structures.
Communication & Education: Clear written communication—able to document tuning decisions and explain JVM behavior to non-experts; comfort in large Java codebases; Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
Preferred Technical and Professional Experience
Modern JVM Projects & Internals: Experience with Project Loom and Project Panama in production, plus JVM internals (JIT C1/C2/GraalVM, escape analysis, scalar replacement) and GraalVM native image trade-offs.
OSS & Acceleration: Contributions to high-performance Java open source (Presto/Trino, Spark, Flink, Cassandra, Kafka), exposure to Kotlin or Scala, GPU/CUDA experience.
Benefits
Healthcare benefits including medical & prescription drug coverage, dental, vision, and mental health & well being.
Financial programs such as 401(k), cash balance pension plan, the IBM Employee Stock Purchase Plan, financial counseling, life insurance, short & long-term disability coverage, and opportunities for performance based salary incentive programs.
Generous paid time off including 12 holidays, minimum 56 hours sick time, 120 hours vacation, 12 weeks parental bonding leave in accordance with IBM Policy, and other Paid Care Leave programs. IBM also offers paid family leave benefits to eligible employees where required by applicable law.
Training and educational resources on our personalized, AI-driven learning platform where IBMers can grow skills and obtain industry‑recognized certifications to achieve their career goals.
Diverse and inclusive employee resource groups, giving & volunteer opportunities, and discounts on retail products, services & experiences.
We consider qualified applicants with criminal histories, consistent with applicable law.
IBM is proud to be an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.
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  • Wausau, Wisconsin, United States

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