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Senior Java Developer Jobs in Milton, ON (NOW HIRING)

Senior Java Developer

Mississauga, ON · On-site +1

CA$129K - CA$194K/yr

Primary Programming Languages: Java, Bash shell and Coreutils, Perl, Python, Go, Rust * OS/Technologies: Linux SuSE Operating system * Experience in DICOM and HL7 * An undergraduate or college degree ...

We are seeking a highly skilled and experienced Senior Java Engineer to join our dynamic team. The ideal candidate will be a hands-on developer with leadership quality, proficient in modern Java ...

We're currently looking for a high caliber professional to join our team as Senior Java Developer, Vice President. Cross Asset Margin technology teams actively develop and enhance set of strategic ...

We're currently looking for a high caliber professional to join our team as Senior Java Developer, Vice President. Cross Asset Margin technology teams actively develop and enhance set of strategic ...

We're looking for a skilled Java Developer to enhance our platform and integrate it with trading systems across markets. Role Overview/What You'll Do Collaborate with management to integrate ...

About The Role As a Senior Java Full Stack Developer , demonstrate ownership, accountability, and long-term thinking by delivering secure, reliable, maintainable, and business-aligned technology ...

Showing results 21-40

Senior Java Developer information

See Milton, ON salary details

$63.9K

$118.3K

$162.8K

How much do senior java developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior java developer in Milton, ON is $118,345.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,299.00 and $133,890.00 per year, depending on experience, location, and employer.

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

What are the key skills and qualifications needed to thrive as a senior Java developer?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What job categories do people searching Senior Java Developer jobs in Milton, ON look for?

The top searched job categories for Senior Java Developer jobs in Milton, ON are:

What cities near Milton, ON are hiring for Senior Java Developer jobs?

Cities near Milton, ON with the most Senior Java Developer job openings:

Infographic showing various Senior Java Developer job openings in Milton, ON as of August 2026, with employment types broken down into 83% Full Time, 5% Part Time, and 12% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $118,345 per year, or $56.9 per hour.

Senior Java Developer

Mississauga, ON • On-site, Remote

Merative
IT Services • 10K+ employees

CA$129K - CA$194K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


Job description

Working under minimal supervision, this person will perform software development activities related to existing and new product development. The person will be directed by the team leader, architect, and/or manager and will liaison with Customer technical staff and cross-departmental Merge technical and clinical staff to understand new requirements / design constraints and understand or troubleshoot existing problems with the product. The person is expected to develop and document designs for modules, code and implement those designs, and perform developer verification and validation of those implementations according to the Merge Standard Operating Procedures. The person is also expected to mentor and provide technical guidance to other team members using their knowledge and experience.

Responsibilities:

  • Perform product development in accordance with Merge's methodology and practices;
  • Perform software module requirement analysis, design, and test design as assigned;
  • Prepare software module specifications, designs, test descriptions and estimates as assigned;
  • Implement software modules and unit tests as assigned and conduct appropriate module testing;
  • Conduct appropriate verification and validation activities as assigned;
  • Participate in the review of product engineering artifacts (e.g., specifications, designs, test descriptions, implementations, tests, records, reports, etc);
  • Design, develop, and recommend next generation platforms for cloud and on-premise deployments;
  • Develop deployment systems for a variety of interdependent applications running on Linux and Kubernetes;
  • Prepare updates to system specifications, designs, test descriptions, hazard analysis, verification and validation test procedures, and related documentation supporting software development to known standards;
  • Where applicable, mentor team members and peer review product artifacts including requirement specifications, design specifications, code, etc.;
  • Engage actively in design and code reviews of work items completed by the team in conjunction with the Team Lead and/or architect;

Expectations:

  • Ability to work within an Agile development model and work effectively in collaboration with other members of the department, or with managers and staff across the organization with whom tasks must be completed.
  • Pursue a program of self-development; through the use of selected reading, seminars, and participation in continuing education.
  • Assesses circumstances & uses sophisticated analytical and problem solve techniques to identify root cause.
  • Works independently and submits work for review at critical points.
  • Enhances relationships and networks outside of department / subject matter area.

Required Qualifications:

  • Primary Programming Languages: Java, Bash shell and Coreutils, Perl, Python, Go, Rust
  • OS/Technologies: Linux SuSE Operating system
  • Experience in DICOM and HL7
  • An undergraduate or college degree or better in computer science or equivalent discipline or equivalent level of industry related experience
  • 5+ years of related experience in software development.
  • Knowledge, skills, training and experience in enterprise-level product development

Preferred Qualifications:

  • Languages: Bash, Perl, Python, Go, Rust
  • Container platforms: Kubernetes, Docker, and Podman, AKS, OpenShift
  • Cloud experience: Azure, AWS, GCP, or other
  • Database: Oracle database and SQL
  • Networking Technologies: VLAN, Switches, and Load Balancing
  • Storage Technologies: RAID, NAS, NFS, and SAN
  • Development Environments: Git, Jenkins, Make and Gradle
  • Experience with Software Packaging with RPM
  • Experience in Web application development/deployment Platforms [Apache, Tomcat, etc.]
  • Knowledge, skills, training, and experience in software requirements and design engineering skills using a well-defined disciplined engineering process or methodology;

Work Environment:

The work environment characteristics here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Office environment: Hybrid/Remote: Hartland area preferred.
  • Availability for after hours on-call support may be required (up to 15%)
  • Travel: Occasional
  • Dress Requirements (if applicable): Business Casual

Compensation


The salary range provided in this job posting is intended to reflect the general market value for the position. The actual salary offered may vary based on factors such as the candidate's experience, qualifications, skills, and the specific requirements of the role. This range may also be subject to change as market conditions evolve. We encourage open communication throughout the interview process to discuss compensation expectations. For base-salary + commission sales roles, the range represents On-Target Earnings.

Min - Max :

$129,490.78 - $194,236.16 (USD)

Benefits

The benefits described represent the current offerings at our organization, however, benefits are subject to change and may vary by location and employment status. We strive to provide a comprehensive benefits package that supports our employees' health, wellness, and financial goals. Please note that benefits may be discussed in more detail during the hiring process.

  • Remote first / work from home culture

  • Flexible vacation to help you rest, recharge, and connect with loved ones

  • Paid leave benefits

  • Health, dental, and vision insurance

  • 401k retirement savings plan

  • Infertility benefits

  • Tuition reimbursement, life insurance, EAP - and more!

It is the policy of Merative to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, Merative will provide reasonable accommodations for qualified individuals with disabilities.

Merative participates in the federal E-Verify program to confirm the identity and employment authorization of all newly hired employees. For further information about the E-Verify program, please click here: http://www.uscis.gov/e-verify/employees