We are seeking a highly skilled Senior Java Developer with deep hands-on expertise in Java, multithreading, Spring Boot, and RESTful API development , along with strong exposure to event-driven architectures, cloud platforms, and enterprise-grade application design . The ideal candidate will bring a proven track record of building scalable, secure, and high-performance web and backend systems in a fast-paced environment.
What you will do
Design, develop, and maintain scalable, resilient, and high-performance applications
Lead technical design discussions and drive adoption of best coding and architectural practices
Take full ownership of end-to-end feature delivery (from design through deployment and production support)
Build and optimize RESTful APIs and microservices architectures
Identify performance bottlenecks and implement scalability and optimization improvements
Conduct code reviews, enforce standards, and mentor junior engineers
Collaborate effectively with cross-functional teams including QA, DevOps, and product stakeholders
Proactively address security and code quality issues (SonarQube, Veracode, etc.)
What we expect
8+ years of hands-on experience in backend development, with strong expertise in Spring Boot
Proficiency in:
Java (8+) and Multithreading
Spring Boot, Spring Security
REST APIs and Microservices architecture
Event streaming platforms (Kafka preferred)
Strong experience designing and delivering public-facing and enterprise-grade applications
At Cognizant, we're eager to meet people who believe in our mission and can make an impact in various ways. We encourage you to apply if you have most of the skills above and feel like you are strongly suited for this role.
Consider what transferable experience and skills make you a unique applicant and help us see how you’d be beneficial to this role.
Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
Salary and Other Compensation:
We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between $ 69,750– $ 110,500 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.
Working arrangements
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3-4 days a week in a client office in Toronto, ON. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
