Senior Developer – Java

Cognizant; Toronto; Hybrid; CAD 62,000 - 91,000; Full time

Benefits offered by this job

Discretionary bonus

Benefits package

Job summary

Cognizant in Toronto, Ontario, is seeking a Senior Developer – Java for a hybrid role. You will design and deliver scalable backend systems using Java and Spring Boot, collaborating with frontend, QA, DevOps, and product stakeholders to build robust, secure applications.

With 8–12 years of experience, you will own RESTful APIs, microservices architectures, and performance tuning in an Agile environment. The base salary ranges CAD 61,650 to 91,000 per year, plus a discretionary bonus and benefits.

Qualifications

• 8–12 years of Java development experience in enterprise backend systems.
• Strong expertise in Spring Boot and the Spring ecosystem.
• Experience designing microservices and RESTful APIs.
• Hands-on with Oracle databases, SQL, and performance tuning.
• Proven debugging and RCA abilities; CI/CD experience.
• Familiarity with Agile delivery and version control (Git).
• Experience with observability/tools is a plus.

Responsibilities

• Design, develop, and maintain scalable backend systems in Java/Spring Boot.
• Build secure RESTful APIs for internal/external integrations.
• Write clean, testable code with unit/integration tests.
• Collaborate with cross-functional teams in Agile environments.
• Optimize performance, scalability, and security; monitor and tune.

Skills

Java

Spring Boot

Microservices

RESTful APIs

Unit testing

Agile

CI/CD

Git

JIRA

Confluence

Tools

Oracle

SQL

PostgreSQL

JIRA

Confluence

Job description

About the role

As a Senior Developer – Java, you will make an impact by designing and delivering scalable, high-performance backend solutions that enable modern digital applications. You will be a valued member of the engineering team and collaborate closely with frontend developers, QA, DevOps, and product stakeholders to deliver robust and secure applications.

We are seeking a highly qualified Sr. Java Developer with at least 8+ years of experience developing and building high-performing, scalable, enterprise applications.

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.

Note: Certain roles may require candidates to attend in-person interviews at Cognizant offices or client locations, depending on project requirements.

In this role, you will:

• Design, develop, and maintain scalable microservices and backend systems using Java and Spring Boot
• Build and manage secure, well-structured RESTful APIs for internal and external integrations
• Write clean, maintainable, and testable code, supported by unit and integration testing
• Collaborate with cross-functional teams to deliver high-quality features in an Agile environment
• Optimize application performance, scalability, and reliability through monitoring and tuning
• Implement security best practices including authentication, authorization, and data protection

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. 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.

What you need to have to be considered

• 8-12 years of experience in Java development building enterprise backend systems
• Strong expertise in Spring Boot and the Spring ecosystem (Spring Data, Spring Security, Spring Cloud)
• Experience designing and developing microservices architecture and RESTful APIs
• Hands-on experience with Oracle databases, SQL, schema design, and performance tuning
• Proven ability in troubleshooting, log analysis, and root cause analysis (RCA)
• Experience supporting non-functional requirements including performance, scalability, and security
• Familiarity with CI/CD pipelines and tools such as Git, JIRA, and Confluence
• Experience working in Agile (Scrum or Kanban) delivery environments

These will help you stand out

• Experience in P&C Insurance domain, including underwriting and policy administration systems
• Exposure to commercial or specialty insurance lines
• Experience with Behavior Driven Development (BDD) and testing tools such as JUnit, Mockito, Postman, or RestAssured
• Familiarity with observability and monitoring tools such as ELK, Splunk, Grafana, or Prometheus
• Ability to interpret wireframes and support backend development for user experience flows

Total 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 CAD $61,650 to $91,000 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.

Applications for this position are reviewed by our recruitment team without the use of artificial intelligence screening tools.