Senior Java Engineer (Hybrid), Toronto, Ontario, Canada

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.

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.

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.

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 March 22^nd, 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 $70,000.00 – $110,000.00 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.

Sobre a Cognizant
Cognizant (NASDAQ: CTSH) é uma construtora de IA e fornecedora de serviços de tecnologia, criando a ponte entre o investimento em IA e o valor para as empresas por meio do desenvolvimento de soluções de IA completas para nossos clientes. Nossa profunda experiência em setores, processos e engenharia nos permite incorporar o contexto único de cada organização em sistemas tecnológicos que potencializam a capacidade humana, geram resultados tangíveis e mantêm empresas globais à frente em um mundo em rápida transformação. Saiba mais em cognizant.ai ou @cognizant.

A Cognizant é uma empregadora que investe em equidade. Sua candidatura não será pautada em raça, cor, gênero, sexualidade, credo, origem, deficiência, gravidez ou qualquer outra característica protegida pelas leis brasileiras.

Informações adicionais de emprego
Os candidatos podem ser obrigados a comparecer a entrevistas presenciais ou por videoconferência. Além disso, os candidatos podem ser obrigados a apresentar seu documento de identificação emitido pelo estado ou governo atual durante cada entrevista.

Embora nosso sistema permita a candidatura em todos os idiomas, o(s) idioma(s) e o(s) nível(is) de proficiência exigidos para o trabalho variam. No entanto, é necessário um nível básico de inglês para fins de comunicação em toda a empresa.

Se você tem uma deficiência que requer adaptações razoáveis para procurar uma vaga de emprego ou enviar uma candidatura, envie um e-mail para [email protected] com sua solicitação e informações de contato.