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Junior Software Developer Java Jobs in Hamilton, ON

Who are we? At Finastra, we're a global leader in financial services software, dedicated to ... Participate in code reviews, mentor junior developers, and contribute to best practices. * Document ...

Geotab is seeking a Software Developer who will own and execute video frontend development ... Solid backend development understanding, ideally with C#, but open to Java and Python experience ...

Senior Software Developer Aversan Inc.(www.aversan.com) is a trusted multi-service engineering and ... Actively mentor junior and mid-level developers,facilitateworkshops, and support team growth ...

Develop and maintain automation software using Java, Python and Make on Linux, adhering to ... Bachelor's degree in Computer Science, Engineering, or a related field. * Minimum of 5 years of ...

Software Developer (2 Positions)

Ottawa, ON · On-site

CA$111K - CA$140K/yr

Job Posting Title Software Developer (2 Positions) Job Category Systems Engineering Language ... Ability to guide and help develop junior team members. * Ability to apply strong analytical ...

Java Developer Location: Mississauga, Ontario, Canada Duration: FTE Experience: Mid to Senior Salary: CAD 100k/p.a. - 110k/p.a. Roles and Responsibilities * Relevant experience in Apps Development or ...

Lead Software Developer

Mississauga, ON · Hybrid

CA$95K - CA$140K/yr

Lead Software Developer Location(s): Status: Get To Know Us: SS&C is leading the way. We continue ... Provide technical guidance, code reviews, and mentorship to mid-level and junior engineers. Help ...

Solid backend development understanding, ideally with C#, but open to Java and Python experience ... Mentor junior team members as needed. * On-Call - Participate in a 24/7 on-call rotating schedule.

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Junior Software Developer Java information

What are some common challenges faced by Junior Software Developers working with Java, and how can they overcome them?

Junior Software Developers working with Java often encounter challenges such as understanding complex codebases, managing version control with tools like Git, and applying best practices for clean and efficient code. To overcome these obstacles, it's helpful to actively participate in code reviews, seek guidance from senior developers, and make use of online resources and documentation. Joining stand-up meetings and collaborating closely with teammates can also accelerate learning and help new developers adapt to the team's workflow.

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

To thrive as a Junior Software Developer (Java), you need a solid understanding of Java programming, algorithms, and object-oriented principles, often supported by a degree in computer science or related field. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and knowledge of build tools like Maven or Gradle is often required. Strong problem-solving abilities, willingness to learn, and effective communication skills help junior developers collaborate and adapt quickly. These skills are crucial for building reliable software, integrating smoothly into development teams, and growing within the role.

What is the difference between Junior Software Developer Java vs Junior Software Developer Python?

AspectJunior Software Developer JavaJunior Software Developer Python
Required CredentialsBachelor's in CS or related field, Java certifications (optional)Bachelor's in CS or related field, Python certifications (optional)
Work EnvironmentEnterprise applications, backend development, large-scale systemsData analysis, scripting, web development, AI/ML projects
Employer & Industry UsageFinancial services, enterprise software, telecomTech startups, data science firms, research institutions
Common Search & ComparisonYesYes

Both roles typically require a bachelor's degree in computer science or related fields. Java developers often work on enterprise-level applications in industries like finance and telecom, while Python developers focus on data analysis, scripting, and AI projects in startups and research. The choice depends on your career interests and industry focus.

What does a Junior Software Developer Java do?

A Junior Software Developer Java is an entry-level programmer who specializes in building, testing, and maintaining software applications using the Java programming language. They typically work under the supervision of senior developers and contribute to coding, debugging, and documentation. Their responsibilities often include fixing bugs, writing unit tests, and collaborating with team members to deliver functional software solutions. This role is ideal for individuals who have a basic understanding of Java and are eager to gain professional experience in software development.
What are popular job titles related to Junior Software Developer Java jobs in Hamilton, ON? For Junior Software Developer Java jobs in Hamilton, ON, the most frequently searched job titles are:
What job categories do people searching Junior Software Developer Java jobs in Hamilton, ON look for? The top searched job categories for Junior Software Developer Java jobs in Hamilton, ON are:
What cities near Hamilton, ON are hiring for Junior Software Developer Java jobs? Cities near Hamilton, ON with the most Junior Software Developer Java job openings:
Infographic showing various Junior Software Developer Java job openings in Hamilton, ON as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution.

Senior Java Developer

Finastra

Mississauga, ON

Full-time

Medical, Life, Retirement, PTO

Posted 3 hours ago


Job description

Who are we?


At Finastra, we're a global leader in financial services software, dedicated to expanding access to financial services and shaping what's next for the industry. Our technology powers missioncritical solutions across Lending, Payments and Universal Banking, supporting over 7,000 customers, including 80% of the world's top 50 banks, in more than 110 countries.

What will you contribute?


Reporting to the Sr. Development Manager,

We are seeking a highly skilled and experienced Senior Developer to join our innovative team. The ideal candidate will have a strong background in Java development, enterprise application servers, database management, .NET technologies, and expertise in working with legacy code. You will play a key role in designing, developing, maintaining, and optimizing enterprise applications, with an emphasis on understanding and improving existing legacy systems.

Key Responsibilities:

  • Design, develop, and implement Java-based applications within a dynamic environment.

  • Configure, deploy, and manage applications on WebSphere Application Server.

  • Develop and maintain applications using the .NET framework and C#.

  • Collaborate with cross-functional teams to gather requirements and deliver effective solutions.

  • Write efficient T-SQL scripts for database querying, data manipulation, and performance tuning.

  • Manage and optimize Oracle databases, ensuring data integrity, security, and availability.

  • Understand, analyze, and reverse engineer existing legacy codebases to identify improvement opportunities.

  • Lead efforts to improve, optimize, and modernize legacy systems for better performance and maintainability.

  • Create clear, easy-to-read product documentation based on legacy code and system analysis.

  • Develop RESTful services and demonstrate a good understanding of microservices architecture.

  • Troubleshoot and resolve issues across Java, .NET, middleware, and database platforms.

  • Participate in code reviews, mentor junior developers, and contribute to best practices.

  • Document system architecture, technical specifications, and project deliverables.

Qualifications:

  • Preferably at least 10 years of professional experience in software development.

  • At least 3 years in a senior developer role or equivalent.

  • Proven experience in Java development with strong object-oriented programming skills.

  • Hands-on experience with WebSphere Application Server.

  • Demonstrated proficiency in T-SQL and Oracle database management.

  • Experience developing and maintaining applications using the .NET framework and C#.

  • Strong ability to understand, analyze, and reverse engineer legacy code.

  • Experience with legacy code improvement, performance optimization, and refactoring.

  • Skilled in creating comprehensive, understandable documentation for complex systems.

  • Experience in designing, developing, and consuming RESTful web services.

  • Good understanding of microservices architecture.

  • Familiarity with enterprise application deployment, performance tuning, and troubleshooting.

  • Strong analytical, problem-solving, and communication skills.

  • Ability to work effectively within a team and adapt to evolving project needs.

Preferred Skills:

  • Experience working in agile development environments.

  • Knowledge of additional middleware, cloud platforms, and DevOps practices.

  • Relevant certifications in Java, WebSphere, Oracle, or .NET technologies.

As part of our hiring process, we may use artificial intelligence (AI) technology to help screen and shortlist applications. All final hiring decisions are made by our recruitment team.

This position is for an existing vacancy within our organization.

Compensation: 90-115k CAD

Finastra is committed to providing accessible employment practices that are in compliance withthe Accessibility for Ontarians with Disabilities Act (AODA). We will accommodate applicants' needs upon request, throughout all stages of the recruitment process. Please inform us of the accommodation(s) that you may require. Information received related to accommodation will be addressed confidentially.

We are proud to offer a range of incentives to our employees worldwide. These benefits are available to everyone, regardless of grade, and reflect the values we uphold:


Flexibility:Enjoy unlimited vacation,based on your location and business priorities. Hybrid working arrangements,andinclusive policies such as paid time off for voting, bereavement, and sick leave.

Well-being:Access Confidential one-on-one therapy through our Employee Assistance Program, find support from our network of Wellbeing Champions and Gather Groups, and a calendar of monthly events and initiatives designed to help you thrive - Inside and Outside of work.

Medical, life & disability insurance, retirement plan, lifestyle and other benefits*

Sustainability:Benefit from paid time off for volunteering and donation matching.

DEI: Participate in multiple DE&I groups for open involvement (e.g., Count Me In, Culture@Finastra, Proud@Finastra, Disabilities@Finastra, Women@Finastra).

Career Development:Access online learning and accredited courses through our Skills & Career Navigator tool.

Recognition:Be part of our global recognition program, Finastra Celebrates, and contribute to regular employee surveys to help shape Finastra and foster a culture where everyone is engaged and empowered to perform at their best.


*Specific benefits may vary by location.

At Finastra, each individual is unique, bringing their own ideas, thoughts, cultural beliefs, backgrounds, and experiences together. We learn from one another, embrace and celebrate our differences, and create an environment where everyone feels safe to be themselves.

Be unique, be exceptional, and help us make a difference at Finastra!

Finastra is committed to providing accessible employment practices that are in compliance with the Accessibility for Ontarians with Disabilities Act (AODA). We will accommodate applicants' needs upon request, throughout all stages of the recruitment process. Please inform us of the accommodation(s) that you may require. Information received related to accommodation will be addressed confidentially.