Senior Java Backend Developer (Hybrid)

Senior Java Backend Developer About the role As a Senior Java Backend Developer , you will make an impact by designing, developing, and supporting scalable cloud-native applications and microservices that power critical customer-facing platforms. You will be a valued member of the Engineering team and collaborate closely with architects, product owners, DevOps engineers, and technology stakeholders to deliver high-quality enterprise solutions.

In this role, you will Design, develop, and maintain scalable Java-based applications and microservices using Spring Boot and Spring Cloud. Build and enhance RESTful APIs using domain-driven design and hexagonal architecture principles. Collaborate with cross-functional teams to translate business requirements into secure and resilient technical solutions. Drive application performance, availability, and reliability through observability, monitoring, and proactive troubleshooting.

Participate in architecture discussions, proof of concepts (PoCs), and solution design initiatives that support enterprise product strategy. Implement and support CI/CD pipelines, automated testing practices, and DevOps-driven delivery models. Troubleshoot production and performance issues using telemetry, log management, and application performance monitoring tools. Promote a culture of continuous learning, innovation, ownership, and knowledge sharing across the team.

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 days a week in a client or Cognizant office in Toronto, Ontario. 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. Rest assured; we will always be clear about role expectations. What you need to have to be considered Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field. 5+ years of experience developing enterprise applications using Java technologies. Strong hands-on experience with Spring Framework, Spring Boot, and Spring Cloud.

Experience developing and deploying cloud-native microservices and REST APIs. Solid understanding of OAuth 2.0 and OpenID Connect (OIDC) authentication and authorization frameworks. Knowledge of secure application development and cloud security best practices. Experience with CI/CD tools and DevOps practices, including Jenkins and test automation. Strong experience working with relational databases such as Oracle or SQL Server and NoSQL databases such as MongoDB.

Proven ability to build highly available, low-latency, and resilient distributed systems. Experience with observability frameworks, telemetry solutions, and production monitoring. Ability to independently analyze, troubleshoot, and resolve complex technical and business challenges. These will help you stand out Experience with modern front-end technologies such as Angular or React and their integration with backend services.

Familiarity with OpenTelemetry implementation and distributed tracing practices. Experience applying resilience patterns, including Circuit Breaker architecture. Hands-on experience with log management and monitoring tools such as Splunk and Datadog. Experience using Dynatrace for application performance monitoring and root cause analysis. Exposure to cloud-native architecture patterns and enterprise-scale system design.

Experience participating in solution design workshops, technical innovation initiatives, or proof-of-concept development. We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role Salary and Other Compensation Applications will be accepted until November 14 th , 2026.

We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between $60,300 – $95,500 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.