Senior Java Full Stack Developer – Onsite

Cognizant; Toronto; Hybrid; CAD 90,000 - 120,000; Full time

Job summary

A leading technology company is seeking a Senior Java Full Stack Developer in Toronto, Ontario, with over 8 years of experience in Java, Spring Boot, Microservices, and Angular. The role involves designing scalable applications and mentoring junior developers. This hybrid position requires in-office presence four days a week. Candidates should have a strong knowledge of SDLC, Agile methodologies, and problem-solving skills. Join a dynamic team and contribute to impactful projects in a flexible work environment.

Qualifications

• 8+ years of experience in enterprise application development.
• 6+ years of experience in front-end development using Angular.
• Strong knowledge of SDLC.

Responsibilities

• Design, develop, and maintain scalable enterprise solutions.
• Write clean and reusable code along with unit test cases.
• Mentor junior developers.

Skills

Java

Spring Boot

Microservices

SQL

Angular

Agile/Scrum methodologies

Unit testing

Job description

We are looking for an experienced and hands‑on Senior Java Full Stack Developer with at least 8+ years of strong expertise in Java, Spring Boot, Microservices, SQL, and Angular. The ideal candidate will be responsible for designing and developing scalable enterprise applications, mentoring junior developers, and supporting the complete SDLC including production support

In this role you will:

• Design, develop, and maintain scalable enterprise solutions using Java, Spring Boot, Microservices, and Angular.
• Write clean, reusable, and well‑documented code along with unit test cases and use cases.
• Ensure high‑quality deliverables through unit testing and active participation in code reviews.
• Collaborate with cross‑functional teams including QA, UAT, and business analysts to ensure timely and accurate delivery of solutions.
• Provide guidance and mentorship to junior developers and ensure best practices are followed.
• Take ownership of production issues, troubleshoot critical problems, and implement long‑term fixes to ensure high system availability.
• Engage in database design and optimization using SQL Server and ensure application performance tuning.
• Support the team in deployment activities using CI/CD tools and collaborate on DevOps practices.

What you’ll need to succeed (required skills):

• Minimum 8+ years of experience in enterprise application development using: Java, Spring Boot, REST APIs Microservices architecture, SQL Server and strong database knowledge.
• 6+ years of experience in front‑end development using Angular.
• Experience with unit testing frameworks (e.g., "JUnit, Mockito").
• Strong knowledge of SDLC, Agile/Scrum methodologies.
• Excellent problem‑solving and communication skills.

At Cognizant, we’re eager to meet people who believe in our mission and can make an impact in various ways. We encourage you to apply if you have most of the skills above and feel like you are strongly suited for this role. Consider what transferable experience and skills make you a unique applicant and help us see how you’d be beneficial to this role.

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.

Working arrangements

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 4 days a week in a client office in Toronto, ON. 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.