Senior Java Developer

Finastra • Mississauga, ON

1d • $90,000 - $115,000 • Hybrid

About The Position

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.

Requirements

• 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.

Nice To Haves

• Experience working in agile development environments.
• Knowledge of additional middleware, cloud platforms, and DevOps practices.
• Relevant certifications in Java, WebSphere, Oracle, or .NET technologies.

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.

Benefits

• Unlimited vacation
• Hybrid working arrangements
• Paid time off for voting
• Bereavement leave
• Sick leave
• Confidential one-on-one therapy through our Employee Assistance Program
• Support from our network of Wellbeing Champions and Gather Groups
• Calendar of monthly events and initiatives designed to help you thrive
• Medical insurance
• Life insurance
• Disability insurance
• Retirement plan
• Lifestyle and other benefits
• Paid time off for volunteering
• Donation matching
• Participation in multiple DE&I groups
• Access online learning and accredited courses through our Skills & Career Navigator tool
• Global recognition program, Finastra Celebrates
• Regular employee surveys
• Paid holidays
• Flexible working hours
• Pension plan
• Comprehensive health initiatives

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed