Senior Java Full Stack Developer

Capgemini; Toronto; On-site; CAD 85,000 - 96,000; Full time

Benefits offered by this job

Vacation days 12-25

Medical coverage

Retirement plans

Life and disability insurance

Employee assistance programs

Other benefits

Job summary

Capgemini Canada is seeking a Senior Java Full Stack Developer to design and deliver scalable enterprise applications in a financial-services setting. You’ll work on Java/Spring Boot microservices, UI frameworks, REST APIs, Kafka event processing, cloud deployments, and containerized environments across OpenShift, Kubernetes, and AWS.

You’ll collaborate across architecture, product, QA, DevOps, and support teams to deliver secure, high-volume systems with strong performance and reliability.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• Strong Java 8+ development experience with Spring Boot and microservices.
• Experience building RESTful APIs and distributed backend services.
• Proficiency with Angular or React, JavaScript/TypeScript, HTML/CSS.
• Experience with Kafka, PostgreSQL, MongoDB, and cloud deployments.
• Proficient with Docker, Kubernetes/OpenShift and CI/CD tooling.

Responsibilities

• Design, develop, and enhance Java/Spring Boot microservices.
• Build responsive web UIs using Angular or React.
• Create secure RESTful APIs for enterprise integrations.
• Implement event-driven architectures with Kafka and API integrations.
• Deploy on OpenShift, Kubernetes, or AWS container platforms and manage CI/CD.
• Collaborate with architecture, product, QA, DevOps, and support teams.
• Optimize queries for PostgreSQL and MongoDB and monitor performance.

Skills

Java 8+

Spring Boot

Microservices

REST APIs

Angular/React

Kafka

Cloud platforms

Docker/Kubernetes/OpenShift

CI/CD (Jenkins, GitHub Actions)

OAuth 2.0 / JWT / Spring Security

JUnit / Postman / performance tests

Agile delivery

Education

Bachelors degree in CS/Engineering

AWS certification asset

Tools

OpenShift

Kubernetes

Docker

AWS

Jenkins

GitHub Actions

Maven/Gradle

Postman

JMeter

Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired bya collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizationsunlock the value of technology and build a more sustainable, more inclusive world.

Job Description

Role Overview:

We are seeking a Senior Java Full Stack Developer to design and deliver scalable enterprise applications within a complex financial-services environment. The role will focus on Java and Spring Boot microservices, Angular or React user interfaces, REST APIs, Kafka-based event processing, cloud platforms, and containerized deployments. The ideal candidate will have experience building secure, high-volume applications and collaborating across architecture, product, quality engineering, DevOps, and support teams.

Key Responsibilities:

• Design, develop, and enhance Java and Spring Boot microservices.
• Build responsive web interfaces using Angular or React.
• Develop secure and reusable RESTful APIs for enterprise integrations.
• Implement synchronous and event-driven integrations using REST and Apache Kafka.
• Support client, account, transaction, payment, and preference-processing workflows.
• Design services using microservices, event-driven, and domain-driven architecture principles.
• Develop automated unit, functional, integration, and performance tests.
• Create mock services and event simulators for end-to-end testing.
• Perform application performance testing and troubleshoot latency or throughput issues.
• Deploy and support applications on OpenShift, Kubernetes, or AWS container platforms.
• Develop and maintain CI/CD pipelines using Jenkins and GitHub Actions.
• Implement authentication and authorization using OAuth 2.0, JWT, Spring Security, and token-based access controls.
• Monitor distributed applications using Prometheus, Grafana, and application logs.
• Optimize MongoDB and PostgreSQL queries, indexes, and data-access patterns.
• Participate in Agile planning, design reviews, code reviews, production releases, and incident resolution.
• Identify application defects, security vulnerabilities, and opportunities for technical improvement.

Required Skills:

• Strong hands-on development experience with Java 8 or later.
• Advanced experience with Spring Boot, Spring MVC, Hibernate, and microservices.
• Experience developing REST APIs and distributed backend services.
• Hands-on experience with Angular or React, JavaScript, TypeScript, HTML, and CSS.
• Experience with Apache Kafka and asynchronous message processing.
• Experience with PostgreSQL and MongoDB.
• Experience deploying applications using Docker, Kubernetes, or OpenShift.
• CI/CD experience with Jenkins, GitHub Actions, Git, Maven, or Gradle.
• Experience with OAuth 2.0, JWT, and Spring Security.
• Experience with JUnit, Postman, and performance-testing tools.
• Understanding of Agile delivery and the software development lifecycle.

Preferred Skills:

• Experience with AWS services and EKS or ECS.
• Experience working within banking, payments, financial services, or another regulated industry.
• Familiarity with PCI-DSS-aligned application controls.
• Experience implementing Prometheus and Grafana monitoring.
• Exposure to fraud detection, anomaly detection, or risk analytics integrations.
• Knowledge of Redis and performance-testing tools such as JMeter.

Education and Certifications:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• AWS certification is considered an asset.

The base compensation range for this role in the posted location is: 85,000 - 95,652.

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees.

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

Important Notice:

Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini’s discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.