Cognizant

Sr. Java Backend Engineer (Microservices & Kafka)

Cognizant
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10 hours ago
Phoenix, AZ, USASenior

Base Salary

$69k - $125k/yr

Responsibilities

  • Design, develop, and maintain scalable backend services using Java 8+ or Kotlin.
  • Build reactive microservices and event-driven architectures using modern frameworks, Kafka, webhooks, and asynchronous communication.
  • Design RESTful APIs and contribute to application architecture and technical best practices.
  • Support the availability, performance, and reliability of mission-critical cloud-based and distributed systems.
  • Participate in code reviews, testing, continuous improvement, and performance tuning.
  • Collaborate with cross-functional teams and stakeholders in an Agile development environment.
  • Take ownership of deliverables, provide constructive technical feedback, and contribute to technical leadership discussions.

Requirements

  • Strong hands-on experience with Java 8+; Kotlin is a plus.
  • Proven experience building microservices-based architectures.
  • Hands-on experience with Spring Boot, Vert.x, Micronaut, or Quarkus.
  • Experience with event-driven systems and messaging technologies such as Kafka.
  • Solid experience designing and developing RESTful APIs.
  • Experience with relational databases such as PostgreSQL or Oracle and exposure to NoSQL databases such as Couchbase.
  • Experience supporting high-availability, mission-critical systems and working with cloud-based distributed architectures.
  • Preferred experience includes reactive programming, AWS, Azure, GCP, Docker, Kubernetes, performance tuning, caching strategies, Python, and distributed-system design patterns such as Circuit Breaker and Saga.
  • Preferred knowledge includes AI/ML concepts, LLMs, RAG, vector databases, and prompt engineering.
  • Strong communication, collaboration, ownership, and adaptability in fast-paced and ambiguous environments.

Benefits

  • Medical, dental, vision, and life insurance.
  • Paid holidays and paid time off.
  • 401(k) plan with contributions.
  • Long-term and short-term disability coverage.
  • Paid parental leave.
  • Employee Stock Purchase Plan.
  • Hybrid work arrangement requiring two to three days per week in a client or Cognizant office in Phoenix, Arizona.
Cognizant

About Cognizant

10,000+ employees

Cognizant is a public IT services and consulting firm that designs, builds, and runs enterprise technology, including digital engineering, cloud modernization, data/AI, and managed services. It sells consulting, systems integration, and outsourcing on multi-year engagements to large enterprises in healthcare, banking, retail, communications, and manufacturing. Founded in 1994 and headquartered in Teaneck, New Jersey, Cognizant is NASDAQ-listed (CTSH) and a Fortune 500 company.

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