Need only local profiles from IL.
Java Tech Lead
Exp:15 yrs
Location: Riverwoods - IL
Onsite: 5 days a week
Top 3 skills required (Must have):
1) Strong expertise in Core Java, particularly with recent versions of JDK, ensuring up-to-date knowledge of Java 8 through the latest versions. Solid Foundation in Latest version of Java (17 ), Java Memory Models, JVM Performance Tuning,
2) Proficiency in containerization (e.g., Docker) and orchestration (e.g., Kubernetes) to deploy and manage distributed applications efficiently. Experience with Redhat OpenShift Platform is a definite Advantage.
3) Experience with message brokers like Kafka or RabbitMQ for building scalable, event-driven architectures.
Job Description/ Responsibilities:
General:
Java FSE Senior Developer / Tech Lead Profile
Strong Scrum background.
Delivering superior Engineering outcomes.
Strong expertise in Core Java with special focus on performance
Preferably in Banking / Payments industry experience
- Strong expertise in Core Java, particularly with recent versions of JDK, ensuring up-to-date knowledge of Java 8 through the latest versions.
- Experience with functional and reactive programming and framework such as Akka
- Experience with Quarkus and vertx for developing high-performance, cloud-native Java applications with fast startup times and low memory footprint.
- Experience with gRPC for high-performance, cross-platform RPC (Remote Procedure Call) framework for efficient inter-service communication
- Strong knowledge of serialization and deserialization payload formats such as Protocol Buffers, Avro
- Proven experience in analyzing and optimizing Java-based microservices for performance and scalability.
- Familiarity with NoSQL databases (e.g., MongoDB, Cassandra) for handling large volumes of structured and unstructured data.
- In-depth knowledge of techniques for optimizing applications to achieve low latency and high throughput.
- Experience in transitioning from monolithic architectures to microservices, focusing on modularity, scalability, and maintainability.
- Proficiency in using micro services design patterns for building scalable Java applications
- Experience with message brokers like Kafka or RabbitMQ for building scalable, event-driven architectures.
- Proficiency in containerization (e.g., Docker) and orchestration (e.g., Kubernetes) to deploy and manage distributed applications efficiently.
- Experience in implementing low latency and multi-threading techniques
- Insight into key areas for performance improvement in Java applications, such as garbage collection tuning, memory management, and efficient use of data structures.
- Knowledge of open-source tools to minimize costs while achieving high performance
• Core Java: Solid Foundation in Latest version of Java (17 ), Java Memory Models, JVM Performance Tuning, concurrency). Knowing other functional language is a plus.
• Database: SQL (Postgres) / NoSQL (Cassandra)
• Caching: Familiarity with Redis or Similar is desirable
• Event Streaming: Kafka/RabbitMQ
• Cloud Native: Docker/Kubernetes/Ansible/Helm/AWS/OCP
• Frameworks: Reactive Programming/Spring
• Cloud Migration: CDC / ACLs / Hybrid Deployments
• DevOps: Pipelines/CICD/Git/TDD/Automated Testing/Chaos Engineering
• US Degree would be an advantage