at Cognizant Technology Solutions in Riverwoods, Illinois, United States
Job Description
Cognizant is looking for an experienced and innovative Senior Java Tech Lead to serve our diverse base of global clients. As a member of our team, you will build cutting edge, cloud-based software that powers modern business. An ideal candidate is someone who enjoys working in a diverse, collaborative, geographically distributed team. Similarly, the ideal candidate is an expert engineer who values the "team", drives continuous improvement and is unafraid to challenge the legacy status quo with creative cloud-based solutions.
Location: Riverwoods, Illinois (Hybrid)
Cognizant will only consider applicants for this position who are legally authorized to work in the United States without company sponsorship (H-1B, L-1B, L-1A, etc.) Responsibilities:
Delivering superior engineering outcomes.
Train & Guide the Junior resources in the project activities
Operate in multi-team environment running in Agile mode.
Highlight any dependencies, risks and bottle necks which can influence your commitments
Understand, Adhere & Achieve various Delivery, Quality, Schedule, Continuous Improvement parameters for the team.
Make every effort to ensure your commitments are honored and delivered
Participate actively in responding to requests for help/assistance
Proactively engage with members to understand their challenges and direct them to knowledge centers within the community. Required Qualifications
Core Java: Solid Foundation in the 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
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
Why Choose Cognizant?
It takes a lot to succeed in today's fast-paced market, and Cognizant Technology Solutions has become a leader in the industry. We love big ideas and even bigger dreams! We stand out because we put human experiences at the core. Our associates enjoy robust benefits and training opportunities from our industry-recognized, award-winning Academy team. You will have access to hundreds of technical trainings to keep your skillsets fresh and have opportunities to acquire certifications on the newest technologies.
If you love ambiguity, excited by change, and excel through autonomy, we'd love to hear from you! #LI-US5
Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.
