data scientist optimization jobs in Toronto

1,000 data scientist optimization job listings in Canada. Find daily updated positions from leading job boards.

  • Senior Data Architect

    20 hours ago


    Toronto, Ontario, Canada Manulife John Hancock Full-time

    The Senior Data Architect is responsible for defining and leading the segment data architecture strategy that enables trusted, scalable, secure, and AI-ready data capabilities across the organization. This role provides architectural leadership for architecture, design, governance, modernization, and implementation of data solutions and platforms that...


  • Toronto, ON, Canada EY Full-time €110,000 - €150,000 Contract

    Cybersecurity - Data Protection - Manager (Data Protection Specialist) Location: Toronto Other locations: Primary Location Only At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better...

  • Test Engineer

    5 hours ago


    Toronto, Ontario, Canada The Citco Group Limited Full-time

    JOB DESCRIPTION Armed with superior services, smart people, and strong technology, we tackle our customers’ complicated challenges by developing sophisticated solutions driven directly by their demands. The result? Innovation that generates tangible value and makes a real difference for our clients and their companies. About Citco Armed with superior...


  • Toronto, ON, Canada Mastercard Inc. Full-time €154,000 - €247,000 Contract

    Join Mastercard in Toronto as the Lead Data Scientist, focusing on the development of machine learning solutions for financial security. This hybrid role blends effective leadership with coding skills in AML and crypto risk detection. As you lead a talented team, you will oversee the entire model development process from conception to deployment, directly...

  • Remote Data Architect

    9 hours ago


    Toronto, Ontario, Canada Ices Central Full-time

    Data. Discovery. Better Health.ICES is a world-leading health research and analytics institute. With a wealth of data and analytic expertise, we create trusted evidence that has changed health policy and practice and helps ensure better health for all. Ready to discover more with us? Join our outstanding, collaborative team where your skills, knowledge and...


  • Toronto, Ontario, Canada 1205 Avanade Canada Inc. Company Full-time

    Our talented Data & AI team is made up of globally recognized experts - and there's room for more analytical and ambitious data professionals. If you're passionate about helping clients transform their business with the latest AI and data technologies, let's talk. Take your skills to a new level and launch a career where you can truly do what matters. Come...

  • Business Data Analyst

    4 hours ago


    Toronto, Canada RideCo Inc. Full-time €80,000 - €90,000 Contract

    This is an opportunity in the exciting and fast-growing transportation technology industry. Public transit is being transformed from a system of static, scheduled fixed-routes, to a dynamic on-demand network, and you’ll be one of the pioneers shaping this transformation. You’ll join a robust and rapidly growing client success team. As a Business Data...


  • Toronto, Ontario, Canada Insight Global Full-time

    Drive modernization at a leading bank as a Data Architect with Insight Global in Toronto. This contract role emphasizes scalable data solutions and architecture design for analytics. The successful candidate will possess over seven years of experience in large-scale enterprise data solutions. You will take the lead in establishing data architecture...


  • Toronto, Ontario, Canada Aviva Full-time $100,000 - $120,000 Contract

    Experience Aviva Together, we are Aviva. Our values — Care, Commitment, Community, and Confidence — guide how we show up for each other and for our customers. Individually, they’re words. Together, they define who we are. At Aviva Canada, we put people first, our employees, our customers, and our communities. We’re proud of a culture built on care,...

  • Data Scientist

    1 week ago


    Toronto, Ontario, Canada Labatt Breweries of Canada Full-time $96,000 Contract

    Dreaming big is in our DNA. It’s who we are as a company. It’s our culture. It’s our heritage. And more than ever, it’s our future. A future where we’re always looking forward. Always serving up new ways to meet life’s moments. A future where we keep dreaming bigger. We look for people with passion, talent, and curiosity, and provide them with...


  • Toronto, ON, Canada Techedin Full-time $82,656 - $96,432 Contract

    Techedin is hiring a Senior Data Engineer for their Toronto office with a hybrid work setup. Focus on large-scale data processing and building scalable solutions. In this key role, the Senior Data Engineer will utilize over 5 years of experience to design and implement scalable data pipelines. You will address complex data challenges, automate workflows,...

  • Senior Data Engineer

    5 hours ago


    Toronto, Ontario, Canada HCL Technologies Limited Full-time

    We are seeking a hands-on Senior Data Engineer to lead the development, support, and continuous improvement of our Azure-based data platform. This role combines data engineering, platform operations, and technical leadership, ensuring reliable, scalable, and high-performing data solutions across the enterprise.Key ResponsibilitiesDesign, build, and support...

  • Data Engineer

    3 days ago


    Toronto, ON, Canada Vretta Full-time $85,000 - $120,000 Contract

    Undergraduate degree in Computer Science (or equivalent).Vretta is looking for a Data Engineer to join our Data and Evaluation team. This position requires excellent communication skills, creative problem solving ability, and a sound technical ability to be able to understand requirements, develop technological solutions for data analysis, collaborate with...


  • Toronto, ON, Canada Amazon Full-time $196,000 - $327,000 Contract

    Shape the future of digital advertising as a Senior Scientist in Amazon's Measurement team. Utilize your advanced data science skills to develop groundbreaking media planning tools. As part of the Measurement, Ad Tech, and Data Science (MADS) division, you will lead the development of innovative models that enhance advertising strategies for clients. Your...

  • Data Engineer

    4 days ago


    Toronto, ON, Canada Veeva Systems Inc. Full-time $100,000 - $175,000 Contract

    We are looking for a talented and experienced data engineer to join our team. The ideal candidate will have a strong understanding of data engineering principles and practices, as well as experience with a variety of data processing and analysis tools. The data engineer will be responsible for designing, building, and maintaining our data infrastructure, as...

  • Big Data Developer

    5 hours ago


    Toronto, Ontario, Canada Cynet Systems Full-time

    Responsibilities Design and build realtime and batch data pipelines for fraud detection and AML monitoring. Process streaming transaction data using Apache Spark and Kafka. Develop ETLELT workflows supporting customer transaction and risk datasets. Ensure data quality traceability and audit readiness to meet regulatory requirements. Optimize performance for...


  • Toronto, ON, Canada Lyft, Inc. Full-time $120,000 - $150,000 Contract

    Join Lyft as a Data Science Team Leader focused on P&L management. Enhance routing for millions by developing insightful analytics solutions. In this influential role, you’ll manage and mentor a diverse team of data scientists and engineers, pushing for innovative routing solutions. Collaborate closely with product managers and engineers to interpret data...

  • Data Engineer

    3 days ago


    Toronto, ON, Canada Glint Tech Solutions Full-time $110,000 - $160,000 Contract

    We're hiring a hands-on Data Engineer to join the Total Fund Management Portfolio Management Technology team. The role focuses on building and optimizing large-scale cloud data systems with Spark/PySpark and modern storage formats. KEY RESPONSIBILITIES Develop and optimize Spark workloads in cloud environments Work with large datasets using Parquet and...

  • Senior Data Analyst

    5 hours ago


    Toronto, Ontario, Canada Sonatype Full-time

    Sonatype is the software supply chain security company. We provide the world’s best end-to-end software supply chain security solution, combining the only proactive protection against malicious open source, the only enterprise grade SBOM management and the leading open source dependency management platform. This empowers enterprises to create and maintain...

  • Data Engineer

    3 days ago


    Toronto, Canada MCAP Group of Companies Full-time €95,000 - €105,000 Contract

    Data Engineer MCAP at a Glance JoiningMCAP means you will be a part of our diverse workforce of highly talented individuals who are recognized for their expertise and success! At MCAP, your professional expertise, commitment to teamwork and passion for service excellence are recognized and rewarded with competitive total rewards offering, a career with...