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Added 6 days ago
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Cognizant

Senior Java Engineer

Toronto, ON, Canada

Pay: The annual salary for this position ranges from $70,000 – $110,000, depending on experience and qualifications.
Job type: Full-time
Apply by: Oct 1, 2026
Experience: 6–9 years of experience in backend software development.
Posting language: English
Posted: Sep 8, 2026

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Original job description

Job Summary

We are seeking a highly skilled Senior Java Engineer with strong hands‑on experience building backend services using Java, Spring, and Kafka. This role is deeply technical and requires someone who is comfortable spending at least 60% of their time coding, proactively identifying improvements, and delivering high‑quality solutions. The ideal candidate has strong experience with automated testing, observability tools such as Dynatrace, and producing clear, concise technical documentation in Confluence.

About The Role

As a Senior Java Engineer, you will design, develop, test, and support high‑performance backend services within an event‑driven architecture. You will be responsible for building and optimizing Kafka‑based integrations, ensuring robust automated test coverage, and instrumenting services for monitoring and reliability. You will document architectural decisions, designs, and operational procedures in Confluence, ensuring clarity and alignment within the team.

This is a highly hands‑on engineering role where your contributions directly influence service reliability, scalability, and development quality.

Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future*

In This Role, You Will

Develop backend services and APIs using Java and Spring frameworks.
Build, maintain, and optimize Kafka producers and consumers, including topic design and event processing workflows.
Write and maintain automated test suites (unit, integration, regression) to ensure high code quality and stability.
Use Dynatrace for monitoring, performance analysis, observability, and troubleshooting.
Create and maintain technical documentation in Confluence, including architecture diagrams, design documents, and runbooks.
Participate in code reviews, ensure adherence to coding standards, and drive engineering best practices.
Troubleshoot production issues and collaborate on root‑cause analysis and long‑term fixes.
Work closely with cross‑functional teams to clarify requirements and deliver reliable, scalable solutions.
Spend ~60% of your time coding and proactively contributing to development initiatives.
Establish technical standards, communicate design goals, and influence architectural strategies.
Drive CI/CD best practices, automation initiatives, and continuous improvement efforts.
Mentor and coach team members while promoting innovation and adoption of modern technologies.

Work Model

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 2-3 days a week in a client or Cognizant office in Toronto ON, CAN.

Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Required Qualifications

6–9 years of experience in backend software development.
Strong proficiency in Java and Spring (Spring Boot, Spring Cloud, etc.).
Hands‑on experience with Kafka, including consumer/producer development and event‑driven design.
Experience in creating and maintaining automated test cases with modern testing frameworks.
Proficiency with Dynatrace or similar observability/APM tools for monitoring and troubleshooting.
Strong technical writing skills and experience documenting systems in Confluence.
Ability and willingness to spend most of the time coding and contributing directly to development work.
Strong analytical, communication, and problem‑solving skills.
Proactive, detail‑oriented, and committed to continuous improvement.

Additional Information

We welcome applicants who share our mission and can make an impact in a variety of ways. Even if you don’t meet every listed requirement, we encourage you to apply. Consider your transferable experience and unique skills that may bring fresh perspective to the role.

Salary And Other Compensation

Applications will be accepted until March 22nd, 2026.

The annual salary for this position ranges from $70,000 – $110,000, depending on experience and qualifications.

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

Benefits

Cognizant offers the following benefits for this role (subject to eligibility):

Medical/Dental/Vision/Life Insurance
Paid Holidays & Paid Time Off
401(k) plan with contributions
Long‑term/Short‑term Disability
Paid Parental Leave
Employee Stock Purchase Plan

Disclaimer

The salary, benefits, and compensation information listed above is accurate as of the posting date. Cognizant reserves the right to modify this information at any time, in accordance with applicable law.

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More about this job

Responsibilities

Design and develop high-performance backend services and APIs using Java, Spring, and Kafka within an event-driven architecture. The role involves spending approximately 60% of the time coding, while also managing observability via Dynatrace and documenting technical designs in Confluence.

Requirements

Requires 6–9 years of experience in backend software development with strong proficiency in Java, Spring, and Kafka. Candidates must have experience with automated testing frameworks, APM tools like Dynatrace, and strong technical writing skills.

Skills

Java
Spring
Spring Boot
Spring Cloud
Kafka
Automated Testing
Dynatrace
Confluence
Event-Driven Architecture
API Development
CI/CD
Technical Documentation
Observability
Backend Development
Root-Cause Analysis
Mentoring

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
Life Insurance
Paid Holidays
Paid Time Off
401(k) plan with contributions
Long-term Disability
Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring
Spring Boot
Spring Cloud
Kafka
Event-Driven Architecture
Dynatrace
Confluence
CI/CD
Backend Services
API
Automated Testing
Unit Testing
Integration Testing
Regression Testing
Observability
APM
Technical Documentation
Runbooks
Architecture Diagrams
Code Reviews
Scalability
Reliability
IT Services
IT Consulting

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