Java Engineer

We are looking for a Senior Java Engineer, experienced in JVM, concurrency, networking, strong consistency and data storage to join our Core team. The team focuses on the Hazelcast Platform, our high-performance low-latency storage and stream processing engine that operates at scale. Enabling Real-Time business event processing to meet the most demanding customer needs., We are looking for a Senior Java Engineer, experienced in JVM, concurrency, networking, strong consistency and data storage to join our Core team. The team focuses on the Hazelcast Platform, our high-performance low-latency storage and stream processing engine that operates at scale. Enabling Real-Time business event processing to meet the most demanding customer needs.

Day to day, you'll be leveraging your solid engineering fundamentals with a focus on performance, consistency, resilience and scale, bringing your passion for solving difficult problems to help realize the product vision.

Your role as a Java Engineer is crucial in ensuring that Hazelcast Platform meets business objectives, is robust and scalable, and is depended upon by customers for mission-critical implementations.

What You'll Do

• Design and Development :
• Design, develop, and maintain Java-based consitency and storage components, leveraging RAFT and other distributed algorithms.
• Implement new solutions using Java frameworks and libraries, ensuring scalability, performance, and reliability.
• Optimizing the platform for speed, efficiency, and resource utilization, including indexing, query optimization, and caching strategies.
• Security and Integration :
• Implement security measures to protect data integrity and confidentiality, including encryption, access control, and compliance with relevant regulations.
• Integrate storage components with other software infrastructure, such as SQLite, RocksDB or cloud solutions.
• Monitoring and Maintenance :
• Monitor the system for performance issues, errors, and potential failures, and implement maintenance procedures such as backups, data recovery, and disaster recovery plans.
• Troubleshoot issues related to data storage, including performance bottlenecks, data corruption, or compatibility issues with other software components.
• Collaboration :
• Collaborate with cross-functional teams, including software developers, architects, and product managers, to ensure the effective integration and operation of the components within the overall software infrastructure.
• Document design decisions, implementation details, and operational procedures to facilitate collaboration among team members and ensure the maintainability of the system.
• Continuous Learning :
• Stay updated with the latest developments in storage technologies, Java programming language, and software engineering best practices, and apply this knowledge to improve existing storage systems and develop new solutions.

• Experience of Java development

• Strong Java Virtual Machine (JVM) experience : JVM internals, memory management, garbage collection, performance optimization

• Knowledge of networking, distributed systems, data structures and consistency algorithms

• Java JDK 17+ Knowledge of following are desirable :

• Data Serialization and Transport (gRPC, Shared Memory, Protobuf)

• Distributed Data Stores (MongoDB, ElasticSearch, Hadoop, CockroachDB)

• Designing APIs (well crafted APIs supporting backwards compatibility)

• In-memory Data Stores (SQL Lite, RocksDB)

• Popular Java Frameworks (Spring, Hibernate)

• Performance Benchmarking

• Bachelor's degree in a relevant field of study (Computer Science, or related discipline). OR equivalent experience.

• 25 days annual leave + Bank holidays
• Group Company Pension Plan
• Private Medical Insurance
• Private Dental Insurance
• Life Insurance
• EAP (Employee Assistance Program)