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Java Ai Developer Jobs in Ontario (NOW HIRING)

Proven experience in Java development with strong object-oriented programming skills. * Hands-on ... As part of our hiring process, we may use artificial intelligence (AI) technology to help screen ...

Proven experience in Java development with strong object-oriented programming skills. * Hands-on ... As part of our hiring process, we may use artificial intelligence (AI) technology to help screen ...

About Behavox Behavox is a cloud-native AI company providing an integrated controls platform for ... product, DevOps, and ML teams. Communicate technical decisions clearly to non-technical ...

About Behavox Behavox is a cloud-native AI company providing an integrated controls platform for ... product, DevOps, and ML teams. Communicate technical decisions clearly to non-technical ...

We are looking for a Java IVR Application Developer to join our voice/contact center engineering ... Understanding of AI integration and LLM-based architectures * Familiarity with voice technologies ...

... for front-end and DevOps to ensure seamless hand-offs from model output to user interface ... Strong coding skills in Python and one other language (TypeScript, Go, or Java); fanatic about ...

As a AI Engineering lead specializing in Fraud and Risk Intelligence, you will serve as a technical ... Proven ability to write clean, high-performance, and maintainable code in Python, Java, SQL, and ...

AI Engineer

Markham, ON · On-site

CA$77K - CA$117K/yr

Expertlevel proficiency in Python, with working familiarity in Java and/or TypeScript for ... Practical experience with DevOps and MLOps practices, including Docker, Kubernetes, and CI/CD ...

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Java Ai Developer information

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

To thrive as a Java AI Developer, you need strong proficiency in Java programming, machine learning concepts, and a degree in computer science or a related field. Familiarity with AI frameworks (such as TensorFlow or Deeplearning4j), version control systems like Git, and experience with cloud platforms are typically required. Creative problem-solving, strong analytical thinking, and effective communication skills help developers collaborate and innovate in complex AI projects. These skills ensure the delivery of efficient, scalable AI solutions and foster productive teamwork in fast-evolving tech environments.

What are some common challenges faced by Java AI Developers when integrating machine learning models into existing enterprise systems?

One of the main challenges Java AI Developers encounter is ensuring seamless integration of machine learning models—often built with Python-based frameworks—into Java-based enterprise environments. This can involve using APIs, microservices, or platforms like TensorFlow Java and Deeplearning4j to bridge compatibility gaps. Additionally, developers must optimize model performance for scalability and real-time inference, which requires thorough testing and tuning. Effective collaboration with data scientists and DevOps teams is crucial to address deployment issues and maintain model accuracy in production.

What is a Java AI Developer?

A Java AI Developer is a software professional who designs, develops, and implements artificial intelligence solutions using the Java programming language. They build machine learning models, integrate AI features into applications, and work with frameworks and libraries suited for AI development in Java. Their role often involves data processing, algorithm development, and deploying scalable AI-powered applications. Java AI Developers may work in various industries such as finance, healthcare, or technology to create intelligent systems that help solve complex business problems.
What are popular job titles related to Java Ai Developer jobs in Ontario? For Java Ai Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Java Ai Developer jobs in Ontario look for? The top searched job categories for Java Ai Developer jobs in Ontario are:
Infographic showing various Java Ai Developer job openings in Ontario as of June 2026, with employment types broken down into 29% Full Time, 62% Part Time, 7% Temporary, and 2% Contract. Highlights an 66% Physical, 4% Hybrid, and 30% Remote job distribution.

Senior Java Developer

Finastra

Mississauga, ON • On-site

Full-time

Medical, Life, Retirement, PTO

Posted 6 days 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.