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Sun Life

Senior Software Engineer, Operations – Core Java & iOS focus

Toronto, ON, Canada
Waterloo, ON, Canada
Sun Life Waterloo King, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 6, 2026
Posting language: English
Posted: Oct 29, 2026

Original job description

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do.

At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful.

When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives.

Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description:

About the role:

The e-Business team within Application Operations Support (AOS) develops and supports IT applications with a focus on reliability and continuous improvement. Through innovation and collaboration, we look for new and better ways to deliver value to Sun Life.

We are looking for a Senior Software Engineer with strong full-stack Java experience and hands-on iOS development skills. You will develop and support reliable applications across the web, mobile, API, and middleware layers while collaborating with teams across the organization. This role is well suited to a practical problem solver who enjoys development, continuous improvement, and ongoing application ownership throughout the application lifecycle.

What you will do:

Develop, enhance, test, and support full-stack Java applications, services, and APIs, with ongoing ownership from implementation through production support.
Develop and support native iOS applications.
Support production and test environments by troubleshooting and debugging application issues, investigating incidents, restoring service, performing root-cause analysis, and remediating vulnerabilities.
Collaborate with Software Engineers, Business Systems Analysts, and other partners to deliver quality solutions and maintain stable application environments.
Contribute to monitoring, change management, system upgrades, disaster recovery, and continuous-improvement initiatives.

What you need to succeed:

At least 10 years of experience developing and supporting back-end Java applications in an enterprise environment, with strong knowledge of core Java/J2EE, the Spring Framework, Spring Boot, and Spring MVC.
At least 4 years of front-end development experience using React, JavaScript, and modern web technologies.
At least 2 years of experience developing and supporting native iOS applications in an enterprise environment.
Strong knowledge of web services and APIs, including REST, SOAP, JSON, and Java APIs.
Working knowledge of middleware and application server technologies such as WebSphere or WebLogic.
Experience troubleshooting production issues and working with databases such as SQL, Oracle, or PostgreSQL.
A degree in Computer Science, Computer Engineering, or a related discipline, or equivalent practical experience.

How you work:

You collaborate effectively with technical and business partners.
You bring strong analytical, debugging, communication, and problem-solving skills.
You are comfortable learning new technologies and adapting to changing priorities.

Additional assets:

Experience with Kubernetes, Docker, or AWS.
Familiarity with iOS architecture patterns or third-party frameworks.
Exposure to DevOps and delivery tools such as Jenkins, Artifactory, Bitbucket/Git, Gradle, Maven, CDD, or Ansible.
Knowledge of web security, multi-factor authentication, Kafka, proxy technologies, ITIL, the software development lifecycle, or Agile ways of working.

Additional role requirements:

The role includes on-call and after-hours support on a team rotation.

This role requires Reliability Security Clearance. In addition to a law enforcement inquiry and a credit check, as part of your application, the Government of Canada will ask if you lived or travelled outside of Canada for 6-consecutive months during the last 5 years, and you must account for all activities during this time.

Must be able to satisfactorily complete applicable background checks prior to the start date and during employment, in accordance with Sun Life’s policies and practices.

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.

Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.

Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com.

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.

Salary Range:

100,000/100 000 - 143,000/143 000

Job Category:

IT - Application Development

Posting End Date:

05/11/2026

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More about this job

Responsibilities

Develop, enhance, and support full-stack Java applications and native iOS applications throughout the entire application lifecycle. Collaborate with cross-functional teams to troubleshoot production issues, perform root-cause analysis, and contribute to continuous improvement initiatives.

Requirements

Requires at least 10 years of experience in back-end Java development and 2 years of native iOS development experience. Candidates must possess a degree in Computer Science or a related discipline and be able to obtain Reliability Security Clearance.

Skills

Java
J2EE
Spring Framework
Spring Boot
Spring MVC
iOS Development
React
JavaScript
REST
SOAP
JSON
SQL
Oracle
PostgreSQL
WebSphere
WebLogic

Benefits

Incentive plans
Hybrid work flexibility

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
Spring Framework
Spring Boot
Spring MVC
iOS
React
JavaScript
REST
SOAP
JSON
WebSphere
WebLogic
SQL
Oracle
PostgreSQL
Kubernetes
Docker
AWS
Jenkins
Artifactory
Bitbucket
Git
Gradle
Maven
Ansible
Kafka
ITIL
Agile
DevOps

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