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Graph Database Jobs in Ontario (NOW HIRING)

Senior Data Scientist, ASR

Kitchener, ON · On-site

CA$77K - CA$117K/yr

Experience with SQL and NoSQL databases is essential. * Knowledge graph * Use Git for version control and collaborative development, ensuring all code is well-documented and follows best practices.

Senior Data Scientist, ASR

Markham, ON · On-site

CA$77K - CA$117K/yr

Experience with SQL and NoSQL databases is essential. * Knowledge graph * Use Git for version control and collaborative development, ensuring all code is well-documented and follows best practices.

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Graph Database information

See Ontario salary details

$31K

$119.6K

$157.5K

How much do graph database jobs pay per year?

As of Jun 10, 2026, the average yearly pay for graph database in Ontario is $119,572.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,000.00 and $147,000.00 per year, depending on experience, location, and employer.

What is a Graph Database job?

A Graph Database job typically involves working with graph-based database technologies such as Neo4j, ArangoDB, or Amazon Neptune. Professionals in this role design, implement, and optimize graph database models to efficiently store and retrieve complex relationships between data points. Common responsibilities include data modeling, query optimization using graph query languages (e.g., Cypher, Gremlin), and integrating graph databases into larger data ecosystems. These roles are often found in industries like fraud detection, social networking, and recommendation systems, where understanding relationships between data is crucial.

What are the key skills and qualifications needed to thrive in the Graph Database position, and why are they important?

To thrive as a Graph Database Engineer, you need expertise in data modeling, query languages such as Cypher or Gremlin, and a solid understanding of graph theory and database architectures. Familiarity with graph database platforms like Neo4j, Amazon Neptune, or TigerGraph, as well as certifications in relevant technologies, are highly valued. Strong problem-solving skills, attention to detail, and effective communication are essential soft skills for collaborating with development and analytics teams. These competencies are vital for designing efficient graph data solutions, optimizing performance, and supporting business insights through connected data analysis.

What are some common challenges faced by professionals working with graph databases?

One common challenge when working with graph databases is efficiently modeling highly connected data structures to optimize for both query performance and scalability. Professionals must continuously evaluate indexing strategies and traversal queries to prevent bottlenecks as datasets grow. Another challenge is integrating graph databases with existing data pipelines or relational systems, which often requires specialized knowledge. However, these challenges offer opportunities to innovate and collaborate with cross-functional teams to deliver powerful solutions for complex data relationships.

What are popular job titles related to Graph Database jobs in Ontario? For Graph Database jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Graph Database jobs in Ontario look for? The top searched job categories for Graph Database jobs in Ontario are:

Senior Data Scientist, ASR

BDO Canada

Kitchener, ON • On-site

CA$77K - CA$117K/yr

Full-time

PTO

Posted 5 days ago


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

We are looking for a skilled, Data Scientist, to join our team.

In this role, you will work cross-functionally to extract insights from data and build custom AI solutions to drive business impact.

Responsibilities:

  • Collect, clean, and transform large, complex datasets for analysis.

  • Build custom machine learning models and natural language processing systems using state-of-the-art techniques.

  • Leverage tools like TensorFlow, PyTorch, Kubernetes, and Nvidia Triton Servers to develop specialized large language models tailored to business needs.

  • Train, evaluate, and optimize models for accuracy, explain-ability, and ethical alignment.

  • Clearly communicate technical analysis and results to stakeholders using data visualizations, reports, and presentations.

  • Continuously monitor models and data pipelines in production to ensure quality and reliability.

  • Stay up to date on the latest advancements in deep learning, NLP, reinforcement learning, and other AI methods.

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.

Requirements:

  • M.S. or Ph.D. in Computer Science, Data Science, or related quantitative field.

  • 3+ years experience building and deploying machine learning models in a production environment.

  • Expertise in Python data science libraries like Pandas, matplotlib, NumPy, and Scikit-Learn.

  • Proficiency in programming languages such as Python, R, or Scala. Experience with SQL and NoSQL databases is essential.

  • Knowledge graph

  • Use Git for version control and collaborative development, ensuring all code is well-documented and follows best practices.

  • Experience training custom transformer models like Llama and Mistral.

  • Knowledge of cloud platforms like Azure, AWS, or GCP for model deployment.

  • Strong verbal and written communication skills.

  • Passion for translating complex data into actionable insights.

Ideal Candidate Will Have:

  • A systematic approach to problem-solving and devising practical solutions.

  • Published academic research in ML/AI conferences and journals.

  • Kaggle competition experience demonstrating modeling expertise.

  • Knowledge of responsible and ethical AI practices.

  • Ability to mentor and share knowledge with junior data scientists.

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


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.

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