Senior Java Developer

We are looking for an experienced and hands‑on Senior Java Developer with at least 8+ years of strong expertise in Java, Spring Boot, Microservices, SQL. The ideal candidate will be responsible for designing and developing scalable enterprise applications, mentoring junior developers, and supporting the complete SDLC including production support.

In This Role You Will

Design, develop, and maintain scalable enterprise solutions using Java, Spring Boot, Microservices.

Write clean, reusable, and well‑documented code along with unit test cases and use cases.

Ensure high‑quality deliverables through unit testing and active participation in code reviews.

Collaborate with cross‑functional teams including QA, UAT, and business analysts to ensure timely and accurate delivery of solutions.

Provide guidance and mentorship to junior developers and ensure best practices are followed.

Take ownership of production issues, troubleshoot critical problems, and implement long‑term fixes to ensure high system availability.

Engage in database design and optimization using SQL Server and ensure application performance tuning.

Support the team in deployment activities using CI/CD tools and collaborate on DevOps practices.

Required Skills

8+ years of experience in enterprise application development in Java/Spring Core fundamentals (DI, AOP, Beans, lifecycle), Spring Boot starters, Actuator, and Spring Security.

Experience with JPA/Hibernate and database integrations.

Strong experience in building and consuming REST APIs; JSON/HTTP best practices.

Familiarity with Docker, Kubernetes, and cloud deployment (AWS/Azure/GCP).

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.

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 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 through 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.

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