1

Fullstack Developer Java Jobs in Mississauga, ON

AI Engineer

Markham, ON ยท On-site

CA$77K - CA$117K/yr

Collaborate closely with AI Architects, AI Studio Leads, ML Engineers, Data Scientists, FullStack ... Expertlevel proficiency in Python, with working familiarity in Java and/or TypeScript for ...

Use Java, Node.js, Angular, REST APIs, SQL, and related technologies to build and support ... Work collaboratively with engineers, quality specialists, analysts, architects, infrastructure ...

Showing results 21-24

Fullstack Developer Java information

What are the roles and responsibilities of a fullstack developer Java?

A Fullstack Developer Java is responsible for designing, developing, and maintaining both the front-end and back-end components of web applications using Java and related technologies. Their duties include building user interfaces, developing server-side logic, integrating APIs, and managing databases. They often work with frameworks such as Spring Boot for back-end development and may use JavaScript frameworks like React or Angular for the front-end. Fullstack Java developers also ensure the application is secure, scalable, and meets client requirements. Collaboration with other team members, such as UI/UX designers and testers, is a key part of the role.

How does a fullstack developer Java balance front-end and back-end responsibilities within a team?

Fullstack Developer Java roles often require a flexible approach, as you may shift between front-end tasks like building user interfaces (using frameworks such as React or Angular) and back-end development (using Java, Spring Boot, etc.) based on project needs. Collaboration with UI/UX designers, DevOps engineers, and backend specialists is common, especially in agile environments where responsibilities can change sprint-to-sprint. It's important to communicate openly with team members to ensure seamless integration and to manage workload effectively. Being comfortable with both client-side and server-side technologies allows you to contribute across the stack and increases your value within the team.

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

To thrive as a Fullstack Developer Java, you need strong proficiency in Java, JavaScript, HTML, CSS, and a solid understanding of both backend and frontend frameworks, typically supported by a degree in computer science or related field. Familiarity with tools like Spring Boot, React or Angular, REST APIs, version control systems like Git, and experience with databases such as MySQL or MongoDB are commonly required. Excellent problem-solving, teamwork, and communication skills help developers collaborate effectively and deliver robust solutions. These competencies ensure seamless end-to-end development, allowing for the creation of scalable, maintainable, and user-friendly web applications.

What is the difference between Fullstack Developer Java vs Backend Developer Java?

AspectFullstack Developer JavaBackend Developer Java
Primary FocusDeveloping both frontend and backend componentsDeveloping server-side logic and database integration
Required SkillsJava, HTML, CSS, JavaScript, frameworks like React or AngularJava, Spring, Hibernate, database management
Work EnvironmentCollaborates on full application stack, often in agile teamsFocuses on backend systems, APIs, and server-side architecture
CertificationsJava certifications, fullstack development coursesJava certifications, backend-specific courses

Fullstack Developer Java and Backend Developer Java share core Java skills and often work within similar industries. However, fullstack developers handle both frontend and backend tasks, while backend developers focus solely on server-side logic. Your choice depends on whether you prefer working across the entire application or specializing in backend systems.

What cities near Mississauga, ON are hiring for Fullstack Developer Java jobs?

Cities near Mississauga, ON with the most Fullstack Developer Java job openings:

Infographic showing various Fullstack Developer Java job openings in Mississauga, ON as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

AI Engineer

Markham, ON โ€ข On-site

CA$77K - CA$117K/yr

Full-time

PTO

Re-posted yesterday


Job description

Putting people first, every day

BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that fosters apeople-first culturewith a high priority on your personal and professional growth.

Your Opportunity

As an experienced AI Engineer, you will design, build, and deploy productiongrade AI solutions that bridge experimental machine learning with scalable software engineering. In this replacement role, you will play a critical role in enabling enterpriseready AI capabilities with a strong focus on large language models (LLMs), retrievalaugmented generation (RAG), and agentic workflows, operating within established governance frameworks.
Responsibilities:
  • Design, build, and deploy robust, scalable, productiongrade AI applications using frameworks such as LangChain, LlamaIndex, AutoGPT, and related LLM orchestration tools.
  • Develop, refine, and optimize complex prompt strategies; manage model context windows; and finetune models where required to maximize performance, accuracy, and cost efficiency.
  • Integrate AI capabilities into existing enterprise environments through RESTful APIs, microservices, and cloudnative architectures.
  • Build, maintain, and optimize vector databases (e.g., Pinecone, Milvus, Weaviate) and design efficient data ingestion and embedding pipelines to support retrievalaugmented generation (RAG) solutions.
  • Monitor AI systems in production and proactively address issues related to hallucinations, latency, reliability, scalability, and tokencost optimization.
  • Collaborate closely with AI Architects, AI Studio Leads, ML Engineers, Data Scientists, FullStack Developers, Service Line Labs, and Citizen Developers on firmwide initiatives and internal platforms.
  • Support AI system documentation, lifecycle management, and control processes in alignment with ISO/IEC 42001 enterprise governance requirements.
  • Adhere to established AI risk management, data governance, and security policies, and assist with model inventories, traceability, and changemanagement activities.
  • Participate in model testing and validation activities in accordance with the NIST AI Risk Management Framework, including mapping and measuring model risks.
  • Support the implementation of riskmitigation controls and ongoing monitoring, and follow governance processes that promote transparency, accountability, and responsible AI use.

The expected range of compensation for this role is $77,000 to $117,000 annually.

How do we define success for your role?

  • You demonstrate BDO's core values through all aspect of your work: Integrity, Respect and Collaboration

  • You understand your client's industry, challenges, and opportunities; clients describe you as positive, professional, and delivering high quality work

  • You identify, recommend, and are focused on effective service delivery to your clients

  • You share in an inclusive and engaging work environment that develops, retains & attracts talent

  • You actively participate in the adoption of digital tools and strategies to drive an innovative workplace

  • You grow your expertise through learning and professional development.

Qualifications:

  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field, with 3-5 years of professional experience in AI, machine learning, or applied software engineering.
  • Expertlevel proficiency in Python, with working familiarity in Java and/or TypeScript for enterprise application development.
  • Deep handson experience with leading AI and LLM frameworks, including OpenAI APIs, Anthropic, Hugging Face, and LangGraph, along with a strong understanding of LLMbased application design.
  • Proven experience designing and implementing retrievalaugmented generation (RAG) and agentic AI systems, supported by a solid grasp of scalable, productiongrade AI architectures.
  • Experience working with vector databases as well as SQL and NoSQL data stores, and handson exposure to cloud platforms such as Azure AI / AI Foundry, AWS Bedrock, or Google Cloud Platform (GCP).
  • Practical experience with DevOps and MLOps practices, including Docker, Kubernetes, and CI/CD pipelines for machine learning workloads.
  • Familiarity with machine learning lifecycle and experimenttracking tools such as MLflow or Weights & Biases.


Why BDO?
Our people-first approach to talent has earned us a spot among Canada's Top 100 Employers for 2026. This recognition is a milestone we're thrilled to add to our collection of awards for both experienced and student talent experiences.

Our firm is committed to providing an environment where you can be successful in the following ways:

  • We enable you to engage with how we change and evolve, being a key contributor to the success and growth of BDO in Canada.

  • We help you become a better professional within our services, industries, and markets with extensive opportunities for learning and development.

  • We support your achievement of personal goals outside of the office and making an impact on your community.

Giving back adds up: Where company meets community. BDO is actively involved in our communities by supporting local charity initiatives. We support staff with local and national events where you will be given the opportunity to contribute to your community.


Total rewards that matter: We pay for performance with competitive total cash compensation that recognizes and rewards your contribution. We provide flexible benefits from day one, and a market leading personal time off policy. We are committed to supporting your overall wellness beyond working hours and provide reimbursement for wellness initiatives that fit your lifestyle.


Everyone counts: We believe every employee should have the opportunity to participate and succeed. Through leadership by our Diversity, Equity and Inclusion Leader, we are committed to a workplace culture of respect, inclusion, and diversity. We recognize and celebrate the valuable differences among each of us, including race, religious beliefs, physical or mental disabilities, age, place of origin, marital status, family status, gender or gender identity and sexual orientation. If you require accommodation to complete the application process, please contact us.

Flexibility: All BDO personnel are expected to spend some of their time working in the office, at the client site, and virtually unless accommodations or alternative work arrangements are in place.

Our model is a blended approach designed to support the flexible needs of our people, the firm and our clients. It's about creating work experiences that meet everyone's needs and providing flexibility to adjust when, where and how we work to meet the expectations of our role.

Code of Conduct: Our Code of Conduct sets clear standards for how we conduct business. It reflects our shared values and commitments and includes guiding principles to help us make ethical decisions and maintain trust with each other, our clients, and the public.

BDO may use artificial intelligence enabled tools to support certain aspects of the recruitment process. While these tools assist our teams, our use of AI does not replace human decision making, and all employment-related outcomes are made by BDO personnel.

More information on BDO Canada's Privacy Policy can be found here: Privacy Policy | BDO Canada

Ready to make your mark at BDO? Click "Apply now" to send your up-to-date resume to one of our Talent Acquisition Specialists.

To explore other opportunities at BDO, check out ourcareers page.

#LI-SA2