Senior Java Developer, Payments

Senior Java Developer, Payments

Position Description
We are seeking a Senior Software Engineer (10–15 years’ experience, including 5+ years in a senior/lead role) with strong expertise in Java, Spring Boot, microservices architecture, REST APIs, and Kafka (or similar messaging systems), along with experience building high-throughput, mission-critical applications.

This is a permanent, full-time role requiring 2–3 days per week in-office at one of our Atlantic Canada locations (Halifax, NS; Moncton, NB; Fredericton, NB; Stratford, PEI or St. John’s, NL).

You will play a key role in delivering scalable, secure, and high-performance payment solutions while collaborating across multiple teams.

Your future duties and responsibilities
• Design, develop, and implement complex, custom software components
• Collaborate with architects, developers, and cross-functional teams to build scalable, reliable, and secure systems
• Provide technical leadership and coordination across large, multi-team initiatives
• Guide and mentor product teams (Engineering, Product, QA, Scrum) on best practices
• Ensure adherence to secure coding standards and application security practices
• Contribute to Agile ceremonies, estimation, and risk management activities
• Define and improve unit and integration testing frameworks
• Proactively recommend improvements to tools, processes, and solutions

Required qualifications to be successful in this role
Experience
• 10–15 years in software engineering, including senior/lead experience.
• Experience building high-throughput, mission-critical applications.

Technical Skills
• Java, Spring Boot, Spring Security
• REST APIs, OAuth
• Microservices & containerization
• Kafka / messaging systems
• SQL & NoSQL databases (Oracle, MS SQL, MongoDB)
• Git/Bitbucket, JIRA, Confluence

Core Skills
• Strong problem-solving and communication skills
• Ability to manage multiple priorities and work independently

Education
• Bachelor’s degree in a related field

Nice to Have
• React or Angular
• CI/CD tools (Jenkins, Maven, Nexus)
• DevOps exposure
• Elasticsearch or AI experience

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $65,000–$125,000. This is a future opportunity.

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Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

To learn more about accessibility at CGI, contact us via email . Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team—one of the largest IT and business consulting services firms in the world.