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Senior Java Software Developer Jobs in Milton, ON

Reporting to the Senior Manager Development, this Sr. Software Developer role is responsible for ... Must have technical working experience with Core Java (Version 8 or higher)/Java, JDK17+

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web, enterprise, mobile) by writing clean code, collaborating with teams, and integrating with databases and ...

Oracle Certified Java Developer certification will be an asset. * Technical Knowledge of event driven architecture (Kafka, Kafka connectors, Kafka brokers) * 3-5 years of working experience in the ...

The vacant Senior Software Developer role will report to the Head, RTR, T&O and will be responsible ... Strong knowledge of Java frameworks (Spring, Spring Boot, Hibernate, Netty), Maven, SQL, Bamboo ...

As a developer, the candidate will be responsible for developing & deploying technical solution ... es:- Java (Core, JDBC, MT, Collections, I/O), Spring B oot- SQL.PL-SQL on Oracle DB- Container ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and ...

As a Senior Software Developer your key area of responsibility will be driving full-stack ... Solid backend development understanding, ideally with C#, but open to Java and Python experience ...

Cority is looking for a Sr. Software Developer to be a part of our existing team. We are very interested in individuals who have a track record of finding creative solutions to unique problems and ...

As a Senior Software Developer, your key area of responsibility will be creating web-based ... C#, Java, Python) and expert knowledge with optimizing databases (e.g. MySQL, SQL Server, Postgres)

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Senior Java Software Developer information

See Milton, ON salary details

$81.8K

$127.7K

$248.4K

How much do senior java software developer jobs pay per year?

As of Jun 25, 2026, the average yearly pay for senior java software developer in Milton, ON is $127,733.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,707.00 and $130,578.00 per year, depending on experience, location, and employer.

What is a Senior Java Software Developer?

A Senior Java Software Developer is an experienced professional responsible for designing, developing, and maintaining complex software applications using the Java programming language. They typically lead development teams, mentor junior developers, and contribute to architectural decisions. Senior Java Developers are expected to have a deep understanding of Java frameworks, best coding practices, and software development methodologies. They also collaborate with stakeholders to deliver robust, scalable, and efficient software solutions.

What are some common challenges Senior Java Software Developers face when leading projects, and how can they effectively address them?

Senior Java Software Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members, managing project timelines, and ensuring code quality across large, distributed systems. To address these, it’s crucial to establish clear communication channels, implement robust code review processes, and leverage agile methodologies for project management. Additionally, staying up-to-date with the latest Java frameworks and best practices helps in making informed architectural decisions and streamlining development workflows.

What are the key skills and qualifications needed to thrive as a Senior Java Software Developer, and why are they important?

To thrive as a Senior Java Software Developer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and experience with frameworks like Spring, typically backed by a bachelor's degree in computer science or a related field. Familiarity with tools such as Git, Maven, Jenkins, and cloud platforms, along with relevant certifications like Oracle Certified Professional Java SE, is often required. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These skills ensure the delivery of robust, scalable software solutions and foster innovation within development teams.

What is the difference between Senior Java Software Developer vs Java Software Engineer?

AspectSenior Java Software DeveloperJava Software Engineer
Required CredentialsBachelor's degree in Computer Science or related field; extensive Java experience; certifications like Oracle Java CertificationBachelor's degree in Computer Science or related field; Java programming skills; certifications are common but not mandatory
Work EnvironmentDevelops complex applications, mentors junior staff, leads projectsDesigns and develops Java applications, collaborates with teams, implements features
Employer & Industry UsageUsed across tech companies, finance, healthcare, and enterprise sectorsCommon in software development firms, IT departments, and tech startups

The main difference between a Senior Java Software Developer and a Java Software Engineer lies in experience level and responsibilities. Senior developers often lead projects and mentor others, while Java Software Engineers focus on designing and implementing Java applications. Both roles require strong Java skills and similar educational backgrounds, but seniority involves additional leadership and project management duties.

What cities near Milton, ON are hiring for Senior Java Software Developer jobs? Cities near Milton, ON with the most Senior Java Software Developer job openings:
Infographic showing various Senior Java Software Developer job openings in Milton, ON as of June 2026, with employment types broken down into 2% Internship, 79% Full Time, 3% Part Time, and 16% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $127,733 per year, or $61.4 per hour.

Senior Software Engineer - Java

Sun Life Assurance Company of Canada

King, ON • On-site, Remote

Full-time

Posted 24 days ago


Sun Life Assurance Company of Canada rating

8.6

Company rating: 8.6 out of 10

Based on 18 frontline employees who took The Breakroom Quiz

72nd of 261 rated insurance


Job description

Bring us your passion for digital or data analytics, and we'll put you to work on exciting initiatives that answer the challenge: "How can we do that better?" Working with a dedicated team of energetic, forward-thinking innovators, you'll stretch your imagination and sharpen your skills on the leading-edge projects that are keeping Sun Life Financial ahead of the curve. You want more than a job; you want a career - a career with a company that encourages learning and personal growth. You want to be "one of the best".

Job Description:

About the role:

The e-Business team in Application Operations Support (AOS) provides operations and support services to ensure reliability of IT applications. Through innovation, continuous improvement, and collaboration, we strive to find new and better ways to bring value to Sun Life.

We are looking for a highly motivated Senior Software Engineer with at least 10 years of Java application support, analysis, and development experience. The successful candidate will have strong technical and problem-solving skills and the ability to work independently. This unique opportunity offers a dynamic space and a chance to collaborate with multiple business units.

What you will do?

  • As part of the Security team review, assess, triage, communicate, and resolve issues in production environments at the application level.
  • Provide ongoing support of Java based applications in Production and test environments including responding to Service requests, Incident & Problem analysis, Service restoration and recovery, Security vulnerability remediation, Audits, and reporting as necessary.
  • Interface with other Software Engineers, Business Systems Analysts, and other stakeholders to deliver high quality solutions.
  • Identify and participate in continuous improvement opportunities, monitoring system or metrics set-up, system renewal, stability, upgrade, and Disaster Recovery projects.
  • Participate in design, develop, test and debug programs for Java services. Deployment is done using Kubernetes containers.

What do you need to succeed:

  • Degree in Computer Science, Computer Engineering, or equivalent discipline
  • 10+ years of information technology experience in Java application support and development
  • 10+ years experience in:
    • Java, JavaScript & web development languages like HTML, XML, CSS
    • Java Enterprise Edition (J2EE)technologies such asServlet,JDBC andJSP
    • Spring framework
  • 4+ years experience in:
    • ReactJS/ React.js -> Angular
    • Container technologies - Kubernetes, Docker
    • Web Security Knowledge (OWASP top 10)

Preferred Skills:

  • Collaboration and teamwork
  • Continuous learning mindset
  • Ability to work in a dynamic environment with changing priorities
  • Strong analysis, debugging and problem-solving skills
  • Solid written and verbal communication skills

Learn on the job:

  • Web services and frameworks such as SOAP, REST API, Java APIs, JSON, Spring Boot
  • Database technologies like SQL, Oracle, POSTGRES
  • DevOps tools - Jenkins, Artifactory, Bitbucket/Git, Gradle, Maven, CDD, Ansible
  • Multi-Factor Authentication (MFA)
  • Exposure to Agile framework (Kanban, Scrum)
  • Experience working with cloud hosted applications / servers on AWS.
  • Exposure to team collaboration tools like Confluence, JIRA, MS Teams
  • Experience with Kafka and light car proxy
  • Knowledge of Middleware technologies such as WebSphere/WebLogic

Notes/Unique requirements:

  • The role includes on-call and after-hours support on a team rotation basis.
  • As a condition of the role, the successful candidate must obtain a Government of Canada Reliability Status security clearance through Sun Life before the start date.

What's in it for you:

  • An environment of continuous learning and improvement
  • A friendly, collaborative, and inclusive culture in an interactive team environment
  • Pension, stock and savings programs to help build and enhance your financial security
  • Working together, sharing common values, and encouraging growth & achievement.

#LI-Hybrid #LI-remote

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! Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

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:

90,000/90 000 - 140,000/140 000

Job Category:

IT - Application Development

Posting End Date:

25/06/2026

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