Ciklum is looking for a Senior Java Developer with GemFire to join our team full-time in the US .
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
About the role:
We are seeking an experienced Senior Java Developer to join the engineering team building Project Everest, a next-generation platform transitioning from a monolithic PBM architecture (RxIQ) to a scalable, microservices-based solution tailored for government programs.
In this role, you will be responsible for implementing the GemFire architecture, writing distributed Java services, and integrating with core system components. You will work alongside product owners, architects, and DevOps to deliver low-latency, high-availability transactional services on top of the Apache Geode (GemFire) in-memory data grid.
Responsibilities
Implement and maintain Java-based microservices that leverage GemFire for distributed caching and in-memory data operations
Contribute to the design, development, and deployment of caching strategies, regions, and query models using OQL
Collaborate with architects on data partitioning, consistency models, and replication strategies
Perform performance tuning including JVM optimization, GC profiling, and low-latency transaction processing
Build robust failover and recovery mechanisms (HA/DR) within the data grid and system layers
Write unit/integration tests and participate in peer reviews to ensure code quality and traceability
Requirements
7+ years of experience in Java and Spring Framework development (including Spring Boot, Spring Data)
Hands-on expertise in GemFire / Apache Geode (configuration, region setup, OQL query development)
Strong understanding of object-oriented programming (OOP) and distributed systems concepts:
Partitioning, replication, consistency models, data locality
Solid grasp of design patterns and microservice architecture principles
Experience with performance tuning (GC, heap, CPU/memory analysis)
Familiarity with HA/DR concepts (replication, recovery strategies)
Desirable
Working knowledge of SQL and ORM frameworks (Hibernate, JPA)
Exposure to scripting languages: Groovy, Python
Familiarity with containerized environments: Kubernetes, Docker
Observability stack: Grafana, Prometheus, Pulse
Front-end or integration experience: JavaScript, .NET (minimal)
What's in it for you
Strong community: Work alongside top professionals in a friendly, open-door environment
Growth focus: Take on large-scale projects with a global impact and expand your expertise
Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
Care: Healthcare, Basic Life Insurance, Short and Long-term disability insurance according to the Company’s Benefit Plans
About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. In the US, Ciklum is growing fast—inviting experienced professionals to lead digital transformation alongside Fortune 500 clients. Be part of a company where innovation and impact go hand in hand.
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