senior optimizer test engineer sql jobs in Toronto

1,000 senior optimizer test engineer sql job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, ON, Canada S.I. Systems Ltd. Full-time €120,000 - €160,000 Contract

    S.I. Systems Ltd. seeks a Senior EDW Quality Engineer to lead hands-on ETL testing and data validation across GCP/BigQuery for a major Canadian bank project. You will own end-to-end validation of data pipelines from source to target and ensure data quality across Oracle, SQL Server, and BigQuery. In this hybrid Toronto role, you will collaborate with data...


  • Toronto, ON, Canada Kinectrics Inc. Full-time €120,000 - €145,000 Contract

    Select how often (in days) to receive an alert: Kinectrics is a wholly owned subsidiary of BWX Technologies focused on providing life cycle management services in the energy and utility sector. We develop innovative solutions for the global electricity and medical industries, helping empower a sustainable future. Trusted by clients worldwide, our employees...


  • Toronto, ON, Canada Multitech Full-time €130,000 - €160,000 Contract

    Senior Software Engineer, Full-Stack & Frontend Job Description Posted Thursday, August 20, 2026 at 5:00 AM Are you driven by innovation and helping customers solve complex business challenges with technology solutions? If so, consider joining the MultiTech team! MultiTech is a global company with a 50+ year legacy of designing and manufacturing...


  • Toronto, Ontario, Canada Bank of Montreal Full-time $70,000 - $150,000 Contract

    Application Deadline:10/30/2026Address:4100 Gordon Baker RoadJob Family Group:TechnologyDevelops and implements IT infrastructure & platform strategies for BMO. Develops strategic technology based on technical and business needs to support anticipated business strategies and organizational growth. Designs, builds / installs, tests, maintains, monitors and...


  • Toronto, Ontario, Canada Socket.dev Full-time

    About Bree Bree is a consumer finance platform that brings better, faster, and cheaper financial services to over half the Canadian population who live paycheck to paycheck. We operate in a huge, but overlooked market in a country with the least amount of financial technology innovation in the developed world. Our first act is to become the cheapest and best...


  • Toronto, Canada Kinectrics Full-time $120,000 - $145,000 Contract

    Kinectrics is a wholly owned subsidiary of BWX Technologies focused on providing life cycle management services in the energy and utility sector. We develop innovative solutions for the global electricity and medical industries, helping empower a sustainable future. Trusted by clients worldwide, our employees provide expertise in engineering, testing, and...


  • Toronto, Ontario, Canada eBay Full-time

    Lead the change in ecommerce with Goldin, an eBay company, as a Senior Full Stack Engineer. Utilize your expertise across the stack to foster meaningful connections in the collectibles market. In this role, you'll collaborate with a dedicated team to design, build, and maintain scalable, high-performing software solutions. Your experience in AWS, Python,...


  • Toronto, Ontario, Canada Socket.dev Full-time

    Be the one building AI-powered experiences where they matter mostAt Genesys, we help organizations create better customer experiences through AI-powered experience orchestration. Our platform connects people, systems, data and AI to help organizations deliver more personalized service, improve operational efficiency and build stronger customer...


  • Toronto, Ontario, Canada Lumenalta Full-time

    Base pay range CA$76,000.00/yr - CA$139,000.00/yr With over 20 years of fully remote experience, Lumenalta offers: Fully remote work Rapid growth opportunities Self-Improvement What You Will Work On Collaborate with visionary enterprise clients Learn how to handle difficult situations Tackle complex challenges at scale Push boundaries with emerging...


  • Toronto, Ontario, Canada Portage Ventures GP Inc. Full-time

    Drive technological advancements as a Senior Software Engineer at d1g1t, specializing in infrastructure within a leading financial services platform. Play an essential role in enhancing project delivery through effective coding and problem-solving. As part of the engineering team, you will focus on designing and implementing robust solutions using Python...


  • Toronto, ON, Canada Sage Recruiting Inc. Full-time €170,000 - €190,000 Contract

    1 Day in Office $170,000 – $190,000 CAD base 15% annual bonus · equity We're hiring a Senior Manager, Software Engineering to lead teams shipping reliable products and platform capabilities across our Financial Management growth segment. You'll increase delivery velocity by setting clear direction, cutting decision latency, and building systems that...


  • Toronto, Ontario, Canada Rules Cube Full-time

    About Rules Cube and MediCoreRules Cube is a Toronto-based digital transformation and Pega consulting firm with offices in Canada, the US, Mexico, and Latin America.MediCore is Rules Cube's AI-powered patient access and clinic operations platform. It helps health systems, clinics, and diagnostic networks streamline scheduling, intake, referrals, and...


  • Toronto, ON, Canada Canadarocketcompany Full-time €120,000 - €180,000 Contract

    Canada Rocket Company is developing Canada's first medium-lift launch vehicle. We are a team of veterans from SpaceX, Blue Origin, Rocket Lab, ArianeGroup, Pangea Propulsion, Tesla, and MDA, bringing over a century of combined launch and space systems experience back to Canada. Our mission is to provide reliable, independent access to space for Canada and...


  • Toronto, Ontario, Canada Kaseya Full-time

    About Kaseya Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business...


  • Toronto, Ontario, Canada Kaseya Careers Full-time

    About Kaseya Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage, secure, and automate their IT environments, driving operational efficiency and long-term business...

  • Senior Engineer

    4 hours ago


    Toronto, Ontario, Canada Morningstar Full-time

    Become a Senior Engineer with Morningstar, focusing on building robust data solutions using Python and AWS in a hybrid workspace. Contribute to transforming file-based data delivery for diverse industries. This role requires you to collaborate with engineering teams and product owners, leveraging your extensive experience in data engineering. You will...


  • Toronto, Ontario, Canada The Institute for Performance and Learning Full-time

    Job Description What is the opportunity? Come and be part of our innovative and high-performing GenAI and Mobile team if you are a talented, tenacious, meticulous, and results-focused individual who thrives on building production-grade GenAI applications. We are seeking an experienced Senior Machine Learning Engineer to help shape, develop, and deliver AI...


  • Toronto, ON, Canada Vuejobs Full-time €90,000 - €150,000 Contract

    Join Felix as a Senior Software Engineer and play a vital role in transforming healthcare for Canadians. Enjoy a remote work setup while leading solutions in digital health. As a key member of the Felix Engineering team, you will tackle both back-end and front-end development (Vue.js, PHP/Laravel) for our online healthcare platform. This position requires...


  • Toronto, Ontario, Canada Nubank Full-time $147,996 - $185,004 Contract

    About NuNu serves more than 140 million customers, guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services. Proprietary technology and data at scale power Nu’s digital platform, built to promote financial access, advancement, and...


  • Toronto, ON, Canada AtkinsRéalis Full-time $110,000 - $140,000 Contract

    Job DescriptionOverviewJoin AtkinsRéalis and contribute to the delivery of complex electrical engineering solutions that support critical energy and industrial infrastructure projects. As a Senior Electrical Engineer, you will be part of a multidisciplinary engineering team, leading the design and execution of innovative electrical systems from concept...