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Search for Freelance Data Science Engineer (Python & SQL)

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Veeva Systems logo
Full-time|Hybrid|Canada - Toronto

At Veeva Systems, we are a purpose-driven organization at the forefront of the industry cloud, empowering life sciences companies to accelerate the delivery of therapies to patients. As one of the fastest-growing SaaS companies in history, we achieved over $2 billion in revenue last fiscal year and have significant growth opportunities on the horizon.Central…

Dec 12, 2025
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Super.com logo
Full-time|On-site|Canada

About Super.comAt Super.com, our mission is to enhance the lives of our customers and our team alike, enabling everyone to embrace the full spectrum of life's opportunities. We are committed to ensuring that Super.com transcends being just a job; it is a platform for personal and professional growth, where learning is embraced and impactful contributions are recognized.We pride ourselves not only on being a dynamic, fast-growing tech enterprise but also on the care we extend to our employees, prioritizing career development. Your career matters to us, and we aim to supercharge it through our talented workforce, innovative projects, and supportive programs.About this RoleAs the Director of Analytics & Data Science, you will spearhead the evolution of our Analytics and Data Science division. Operating within our mission-aligned team model, your role will be to integrate various embedded teams—establishing unified standards, shaping analytical frameworks, and ensuring our initiatives consistently inform high-quality business decisions. You will collaborate closely with Product, Engineering, and Executive leadership to develop robust analytics and intelligent systems that drive growth, mitigate risks, and enhance customer experiences. This position requires a blend of strategic oversight, organizational structuring, and technical expertise to amplify our impact while maintaining agility across diverse business lines.About this TeamYou will be part of our dedicated Analytics & Data Science team, where being data-driven is a core value at Super.com. Our team is adept at utilizing Snowflake, DBT, and Amplitude, ensuring we leverage these tools to their fullest potential. We are seasoned practitioners who launch new experiments daily, and we invite new teammates to join us in building intelligent systems and making data-driven decisions.What You’ll Be Working On:Lead the expansion of the Analytics and Data Science organization, focusing on recruiting and developing managers and individual contributors while crafting team structures that facilitate deeper data science integration across all operations.Incorporate analytics and data science into fundamental business workflows, ensuring that insights, models, and strategies are consistently applied to enhance performance.

Jan 9, 2026
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Dropbox, Inc. logo
Full-time|Remote|Remote - Canada: Select locations

Join Dropbox as a Senior Data Science Manager, leading our AI Products team in the development of innovative data-driven solutions. In this pivotal role, you will leverage your expertise in data science to drive product strategy, enhance user experience, and contribute to the advancement of AI technologies. Collaborate with cross-functional teams to design and execute data-centric initiatives that align with our vision and mission.

Mar 4, 2026
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Tiger Analytics logo
Full-time|Remote|Remote — Toronto, Ontario, Canada

Tiger Analytics is a rapidly expanding advanced analytics consulting firm renowned for its expertise in Data Science, Machine Learning, and Artificial Intelligence. We pride ourselves on being the analytics partner of choice for multiple Fortune 100 companies, helping them derive significant business value from their data. Our leadership and business impact have been acknowledged by prominent market research entities, including Forrester and Gartner. We are on the lookout for exceptional talent to enhance our global analytics consulting team.We are currently seeking a highly skilled Data Engineer with extensive experience in Dataiku to join our dynamic data team. In this pivotal role, you will be responsible for designing, constructing, and sustaining robust data pipelines, integration processes, and infrastructure. Your collaboration with data scientists, analysts, and other key stakeholders will be essential to ensure a seamless flow of data and to facilitate data-driven decision-making throughout the organization.

Dec 12, 2023
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info-ways logo
Full-time|Remote|Montreal

Join info-ways as a talented AXIOM SQL Consultant in a fully remote role where you'll leverage your SQL expertise to shape data-driven solutions. We are looking for a professional who can work collaboratively with our team to optimize database performance and ensure seamless data integration. If you are passionate about SQL and thrive in a remote work environment, this is an excellent opportunity for you!

May 24, 2017
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Veeva Systems, Inc. logo
Full-time|Hybrid|Canada - Toronto

Location: Toronto, Canada (Work Anywhere: remote or office-based) About Veeva Systems Veeva Systems develops industry cloud solutions that help speed the delivery of therapies to patients. The company recently surpassed $3 billion in revenue and continues to expand. In 2021, Veeva became a public benefit corporation (PBC), committed to serving customers, employees, society, and investors in balance. Core values include Do the Right Thing, Customer Success, Employee Success, and Speed. Veeva supports flexibility through its Work Anywhere approach, giving employees the choice to work remotely or from an office. Learn more about Veeva's impact on the life sciences industry in this Forbes feature. Role Overview The Data Engineer role at Veeva OpenData centers on delivering real-time reference data for the healthcare ecosystem. This work supports commercial sales execution, compliance, and analytics for life sciences customers. The position involves collaborating with an engineering team to design, build, and deploy impactful features. Work happens within an Agile framework.

Apr 15, 2026
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Tiger Analytics logo
Full-time|Remote|Remote — Toronto, Ontario, Canada

Join Tiger Analytics, a dynamic and rapidly expanding advanced analytics consulting firm recognized for its expertise in Data Science, Machine Learning, and Artificial Intelligence. We partner with leading Fortune 100 companies to unlock the potential of their data, driving substantial business value. Acknowledged by Forrester and Gartner for our leadership in the analytics space, we are on the lookout for exceptional talent to help build the world’s premier analytics consulting team.We are currently seeking a skilled Data Engineer proficient in Dataiku to join our innovative data team. In this role, you will design, construct, and maintain data pipelines, integration processes, and infrastructure. Working closely with data scientists, analysts, and other key stakeholders, you will facilitate efficient data flow and empower data-driven decision-making throughout the organization.

Jan 29, 2026
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GoMaterials logo
Full-time|On-site|Canada

Join GoMaterials, one of Canada's most dynamic companies, celebrated by Deloitte, Globe & Mail, and the Lazaridis Scaleup Program. We are innovating the way landscape contractors procure plant and hardscape materials through a B2B marketplace that modernizes a traditionally archaic industry.Since our inception, we have empowered landscapers by saving them time, money, and stress, successfully planting over 1.5 million plants and trees. Our energetic team of entrepreneurs is on an ambitious expansion journey across North America, and we are eager to welcome exceptional individuals to our team!About the Role:In this position, you will engage at the crossroads of data engineering, cloud infrastructure, and applied research, contributing to advanced Machine Learning (ML) models such as supervised and unsupervised learning, regression, classification, as well as Operations Research (OR) models for optimization and informed decision-making. Your responsibilities will include developing and maintaining scalable data pipelines, establishing and optimizing cloud infrastructure in Azure, particularly using Azure ML Studio as the core platform. You will uphold high standards of code quality and participate in the validation and monitoring of ML/OR projects to enhance experimentation and deployment.This role is perfect for a talented developer who is passionate about solving intricate, real-world challenges, thrives in a fast-paced environment, and seeks to significantly influence the success of innovative AI and optimization solutions.

Sep 25, 2025
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System Canada Technologies logo
SQL Tester

System Canada Technologies

Full-time|On-site|Toronto

Join our dynamic team at System Canada Technologies as an SQL Tester. In this role, you will be responsible for ensuring the quality and performance of our database systems. You will work closely with developers to design test plans and execute various testing strategies to ensure robust SQL database functionality.

Oct 30, 2012
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Veeva Systems Inc. logo
Senior AI Data Engineer

Veeva Systems Inc.

Full-time|Hybrid|Canada - Toronto

Veeva Systems is a mission-driven organization and a trailblazer in industry cloud solutions, dedicated to accelerating the delivery of therapies to patients within the life sciences sector. As one of the fastest-growing SaaS companies in history, we proudly exceeded $2B in revenue last fiscal year, with significant growth opportunities on the horizon.At Veeva, our core values drive everything we do: Do the Right Thing, Customer Success, Employee Success, and Speed. We are not just another public company; we made history in 2021 by becoming a public benefit corporation (PBC), committed to balancing the needs of our customers, employees, society, and investors.As a Work Anywhere organization, we offer the flexibility to work from home or in the office, enabling you to excel in the environment that suits you best.Join us in transforming the life sciences industry, as we strive to make a meaningful impact on our customers, employees, and communities.

Dec 12, 2025
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Toloka Annotators logo
Contract|Remote|Remote — Manitoba, Canada

Toloka Annotators seeks a Freelance AI Trainer - Data Annotation Specialist to join ongoing AI development projects. This contract position is fully remote and available to candidates located in Manitoba, Canada. What you will do Annotate and organize datasets for machine learning initiatives Curate data to align with established quality standards and project requirements Label data accurately and consistently to support improvements in AI systems Role focus This role centers on hands-on data annotation to train AI algorithms. The work directly influences the accuracy and performance of emerging AI technologies.

Apr 27, 2026
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VIA Science logo
Full-time|CA$150K/yr - CA$180K/yr|On-site|Montreal, Quebec, Canada

Strategic Senior Quality Assurance EngineerLocation: Montreal, QCJoin VIA and make a difference.At VIA, we are dedicated to creating cleaner, safer, and more equitable communities. We understand that by collaborating across organizational boundaries, we can collectively achieve greater impact.VIA has earned the trust of the U.S. Department of Defense and Fortune 100 companies worldwide to tackle their most pressing data and identity protection challenges. With our innovative Web3, quantum-resistant, passwordless technologies—backed by 20 issued patents—VIA safeguards data against theft, manipulation, and misuse.Our mission is to develop unbreakable software.We are seeking a forward-thinking Senior Quality Assurance Engineer to establish and uphold our quality standards. This role transcends traditional QA responsibilities; you will be instrumental in creating systems that enable our engineers to seamlessly integrate testing into their daily workflows. By harnessing AI-driven automation, you will replace manual processes and ensure our products adhere to stringent security requirements.Key Responsibilities:Develop and define quality gates and testing methodologies across the engineering organization.Collaborate with engineering teams to implement developer-level testing, shifting from siloed, downstream testing to a shared ownership model.Manage testing infrastructure by selecting, implementing, and maintaining tools and systems that enable scalable and resilient software.Identify and introduce AI tools and agents to eliminate manual bottlenecks, automating repetitive testing tasks to enhance efficiency and coverage.Drive QA excellence in partnership with technical leadership and Client Delivery Leads, ensuring testing priorities are incorporated into project planning and resource allocation.Qualifications:What You Bring:Demonstrated experience in software quality assurance within a high-growth tech environment.Ability to effectively communicate with senior engineers to establish technical authority and maintain constructive feedback loops.Proactive mindset leveraging AI agents and automation to enhance the QA lifecycle and boost productivity.Familiarity with high-security standards (CJIS, CMMC, SOC 2) to align testing with VIA’s compliance objectives.Versatile skill set with the capability to balance rigorous standards and the agility of a 100-person company.What Makes a Successful VIAneer:Self-motivated individuals who are passionate about improving everything they touch.

Apr 30, 2026
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Emburse logo
Full-time|On-site|Toronto

Who We Are: At Emburse, we don’t just envision the future – we actively create it. As a frontrunner in travel and expense management solutions, we are pioneering a future where technology fuels business success and fosters remarkable outcomes. Our AI-driven platform empowers organizations to modernize their financial workflows, enhance visibility, and optimize expenditures across the board.As a Software Engineer at Emburse, you will play a pivotal role in developing an engaging and cohesive suite of system solutions. Your contributions will not only enhance customer experiences but also tackle exciting challenges and innovate new solutions. Renowned for our forward-thinking approach and award-winning technologies, Emburse boasts a strong engineering culture, providing you the opportunity to collaborate with some of the brightest minds in the industry and advance your career.

Feb 26, 2026
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Veeva Systems, Inc. logo
Full-time|Hybrid|Canada - Ottawa

Veeva Systems is a purpose-driven leader in the industry cloud, dedicated to helping life sciences firms expedite the delivery of therapies to patients. As one of the fastest-growing SaaS companies globally, we achieved over $2 billion in revenue in our last fiscal year, with remarkable growth opportunities on the horizon.Our core values—Do the Right Thing, Customer Success, Employee Success, and Speed—guide us. In 2021, we made history by becoming a public benefit corporation, committed to balancing the interests of our customers, employees, society, and investors.As a Work Anywhere company, we promote the flexibility to work from home or in the office, enabling you to thrive in the environment that suits you best.Join us in transforming the life sciences industry while positively impacting our customers, employees, and communities.

Dec 12, 2025
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Vantage Analytics logo
Full-time|Remote|Toronto - Remote

About the RoleAt Vantage Analytics, we are seeking a talented Senior Backend Engineer to join our dynamic team. In this pivotal role, you will be instrumental in developing features and integrating systems with our partners. As a subject matter expert in backend technologies, you will also provide mentorship to fellow engineers. Expect to engage extensively with external APIs for data retrieval and to design and implement APIs facilitating effective data exchanges. Your expertise will help us manage large datasets while ensuring our services remain reliable and performant.Your contributions will support various product teams in maintaining robust architecture, exceptional code quality, and timely project delivery. You will act as a trusted reviewer for SQL and Django ORM modifications, setting clear benchmarks for database and service performance, and aiding in design and trade-off decisions that enhance the scalability of our platform.This opening serves as a backfill for an existing vacancy, making it an exciting opportunity to step into a crucial role within our engineering department.

Oct 15, 2025
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Ample Insight Inc. logo
Lead Data Scientist

Ample Insight Inc.

Full-time|On-site|Toronto

Join our dynamic team as a Lead Data Scientist, where you will:Collaborate closely with our clients' executive and technical teams to steer their strategies in AI, analytics, data engineering, and overall data management.Identify and advocate for innovative projects that tackle intricate issues across diverse sectors.Utilize advanced skills and core data science techniques (such as experimental design, recommender systems, and machine learning) to drive enhancements in our clients' operations.Design and implement comprehensive data pipelines, collaborating with stakeholders to develop models, tables, or schemas that enhance our clients' business workflows.Enable both internal and external teams to establish and maintain actionable KPIs, production-ready dashboards, insightful analyses, and scalable data products.

Apr 26, 2023
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System Canada Technologies logo
SQL Tester

System Canada Technologies

Full-time|On-site|Toronto

Join our dynamic team at System Canada Technologies as an SQL Tester. In this pivotal role, you will be responsible for validating and testing SQL databases to ensure data integrity and performance. You will work closely with our development team to identify and resolve database issues, ensuring that our applications run smoothly and efficiently.

Oct 2, 2012
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cima2 logo
Full-time|On-site|Montreal

Join cima2 as a Data Engineer and become a pivotal part of our dynamic team in Montreal! We are looking for innovative individuals who are passionate about transforming data into actionable insights. As a Data Engineer, you will design and implement robust data pipelines, ensuring data integrity and accessibility for our analytics and business intelligence teams.

Apr 10, 2026
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Toloka AI logo
Contract|Remote|Remote — Manitoba, Canada

Join our team at Toloka AI as a Freelance Agent Evaluation Engineer, where you will play a crucial role in assessing and enhancing AI systems. This remote position allows you to work from anywhere in Manitoba, Canada, giving you the flexibility to balance your personal and professional life. Your expertise will help ensure our AI models meet the highest standards of performance and accuracy.

May 1, 2026
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Dropbox, Inc. logo
Full-time|Remote|Remote - Canada: Select locations

Join Dropbox as a Data Engineer in our Analytics Data Engineering team, where you will play a pivotal role in building data pipelines and analytical solutions that drive our strategic decisions. You will collaborate with cross-functional teams to gather requirements, design scalable architectures, and implement robust data solutions that empower our analytics capabilities.

Mar 26, 2026

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