Sr. Java Developer

About the Position

Sr. Java Developer

Date published: Jul 02 2026

Location: Toronto / Canada

Job category: Digital

Work model: Hybrid

As a Senior Java Developer, you will make an impact by designing and delivering resilient, scalable microservices that power secure cards and payments solutions. You will be a valued member of the engineering team and work collaboratively with product owners, architects, and cross-functional teams to drive high-quality technology outcomes aligned with enterprise standards.

Responsibilities

• Design and build microservices using Spring Boot and Spring Framework to ensure scalability and reliability
• Develop event-driven solutions using Kafka for real-time data streaming and system integration
• Write high-quality Java code with strong JUnit5 test coverage to ensure stability and maintainability
• Develop and optimize SQL queries to support high-volume transactional systems
• Collaborate with stakeholders to translate business requirements into effective technical solutions

Requirements

• 9+ years of solid experience with Java
• Strong experience with Java, specifically microservices, Spring Boot, and core Spring components
• Hands-on experience with Kafka, including topic design and consumer patterns
• Advanced SQL skills, including query optimization and performance tuning
• Experience with JUnit5 testing frameworks, including unit and integration testing
• Strong understanding of microservices architecture, including scalability and resiliency
• Experience with secure coding practices and code reviews
• Strong troubleshooting skills for complex production issues
• Excellent communication skills and ability to work in a hybrid team environment

Nice to Have

• Experience in cards and payments domain (authorization, settlement, reconciliation)
• Familiarity with the Spring ecosystem, including security and data access modules
• Experience with CI/CD pipelines and automated deployments
• Strong performance optimization experience across applications and databases
• Mentoring or leadership experience within engineering teams

We Offer

• Salary and Other Compensation:
  
  Applications will be accepted until July 17th, 2026.
  
  The annual salary for this position is between $85,000 - $135,000, 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.

About the Company

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process, and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes, and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information

Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government-issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status, or any other characteristic protected by federal, state, or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

Benefits that help you thrive and grow

Our benefits program is built with you in mind-so you can enjoy a fulfilling, balanced, and healthy life.

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program, and more.

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities to explore new technologies, industries, and locations-and build the skills you need to grow your career.

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

Step 4: Decision time

Our team will then review each candidate’s potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us-but you can count on us to keep you updated.