Lead Java Developer

Lead Java Developer Job Summary

We are seeking a highly skilled Lead Java Developer with deep hands‑on experience building scalable backend applications and event‑driven systems. The ideal candidate will bring strong expertise in Java, Spring Boot, Kafka, and microservices
, along with a proactive mindset and the ability to collaborate effectively across engineering teams.

• Design, develop, and maintain high-performance, scalable backend applications using Java and Spring Framework (Spring Boot, Spring Security)
• Work extensively on Kafka‑based streaming and messaging systems
• Write clean, efficient, and reusable code following best practices
• Develop and maintain automated test cases (unit, integration, and end‑to‑end)
• Monitor application performance and troubleshoot issues using tools like Dynatrace
• Create and maintain technical documentation using Confluence
• Participate in system design discussions and contribute to architectural decisions
• Collaborate with cross‑functional teams such as QA, Dev Ops, and Product
• Ensure code quality through reviews and adherence to coding standards
• Take a proactive approach in identifying risks, improvements, and optimizations

• 10+ years of experience in Java development with strong proficiency in Java 8/11/17+
• Hands‑on experience with Spring Framework
  , including Spring Boot and Spring MVC
• Minimum 6+ years of experience with Apache Kafka in event‑driven architectures
• Strong understanding of microservices architecture
  , REST APIs
  , and distributed systems
• Experience developing and maintaining automated test cases including unit, integration, and end‑to‑end testing
• Familiarity with application monitoring and troubleshooting tools such as Dynatrace
• Experience creating technical documentation and knowledge‑sharing content using Confluence
• Strong collaboration, code review, and problem‑solving skills in cross‑functional engineering environments
• Location:
  
  Toronto, Canada

The annual salary for this position is between $84K – $130K depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

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.