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Freelance Data Science Engineer Jobs in Toronto, ON

Full Stack Data Science Engineer

Toronto, ON · On-site

CA$120K - CA$154K/yr

Lead cross-functional collaboration with data scientists, engineers, IT partners, and business process owners. * Provide subject-matter expertise, mentorship, and guidance on advanced analytics and ...

Title and Summary Director, Data Science Overview The Security Solutions Data Science team is ... and feature engineering through experimentation, validation, deployment, and monitoring. These ...

Partner closely with Product, Growth, Engineering, and UX leadership to influence product roadmap ... Act as a thought leader on emerging data science techniques (personalization, recommendation ...

Partner closely with Product, Growth, Engineering, and UX leadership to influence product roadmap ... Act as a thought leader on emerging data science techniques (personalization, recommendation ...

Senior Data Scientist

Toronto, ON · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Build a strong internal network across business, data science, engineering, platform, and governance partners, and share lessons learned to advance practice maturity. Required Qualifications:

Qualifications Must-Have * 5+ years working as a data scientist, analytics leader, or ML engineer at a Fortune 500 technology or enterprise organization. * Direct ownership of F500 data products ...

Data Science Manager, Risk

Toronto, ON · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

Credit Risk Expert & Strategic Builder We are looking for a hands-on, data-obsessed Data Science ... Partner closely with Credit Strategy, Product, Growth, Finance, Engineering, and Data teams to ...

Bachelor's degree in Computer Science, Engineering, Data Science, or a related quantitative field, or equivalent practical experience. Preferred: Prior experience in payments, financial services, or ...

Data Science Manager, Rider Experience

Toronto, ON · On-site

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Data Science & Analytics is at the heart of Lyft's products and decision-making. The Rider ... engineers, marketers, and leaders to translate insights into decisions and action * Lead deep-dive ...

Engineer features by using your business acumen to find new ways to combine disparate internal and ... Share your passion for Data Science with broader enterprise community; identify and develop ...

Senior Data Scientist

Mississauga, ON · On-site

CA$156K - CA$290K/yr

... science and statistical solutions across PT, with a special focus on biologics development . You will collaborate with scientists, engineers, business leaders, and fellow data scientists to design ...

Bachelor's degree in Data Science, Statistics, Mathematics, Computer Science, or another quantitative discipline such as Engineering, Economics, or Physics Experience in applying data science and ...

The ideal candidate is a hands-on data engineering professional with strong expertise in ... Collaborate with data scientists, analysts, and business stakeholders to deliver clean, curated ...

Data Engineer

Toronto, ON · On-site

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Bachelor's degree in Computer Science, Engineering, Mathematics, Statistics, or a related field * 4+ years of professional experience in data engineering, ideally with large-scale distributed systems.

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Showing results 1-20

Freelance Data Science Engineer information

What is a freelance data science engineer?

A Freelance Data Science Engineer is a professional who works independently on a contract or project basis to help organizations analyze complex data, build data pipelines, and develop machine learning models. Unlike full-time employees, freelancers typically work with multiple clients, offering their expertise in data wrangling, statistical analysis, and algorithm development as needed. They may assist with everything from data preprocessing to deploying data-driven solutions, often working remotely and with flexible schedules.

What are some common challenges faced by freelance data science engineers when managing multiple client projects simultaneously?

Freelance data science engineers often juggle several projects at once, which can make time management and prioritization particularly challenging. Balancing diverse client expectations, shifting project scopes, and overlapping deadlines requires strong organizational skills and clear communication. Additionally, freelancers must ensure data security and confidentiality across different clients, adapting to various data infrastructures and collaboration tools. Building a structured workflow and setting realistic timelines are key strategies to handle these challenges effectively.

What are the key skills and qualifications needed to thrive as a freelance data science engineer, and why are they important?

To thrive as a Freelance Data Science Engineer, you need a solid background in statistics, programming (typically Python or R), and data analysis, often supported by a relevant degree or equivalent experience. Familiarity with machine learning libraries (like TensorFlow or scikit-learn), cloud platforms (such as AWS or GCP), and data visualization tools is highly valuable. Strong communication, project management, and problem-solving skills set top freelancers apart by enabling effective client collaboration and clear presentation of findings. These competencies are crucial for delivering actionable insights, managing diverse projects independently, and building lasting client relationships.

What is the difference between Freelance Data Science Engineer vs Data Analyst?

AspectFreelance Data Science EngineerData Analyst
CredentialsTypically requires a degree in data science, computer science, or related fields; certifications like Python, R, or cloud platforms are commonUsually holds a degree in statistics, mathematics, or related fields; certifications may include Excel, SQL, or Tableau
Work EnvironmentIndependent, project-based work often remote; collaborates with clients across industriesOften employed within organizations or agencies; may work on ongoing internal projects
Industry UsageCommonly hired for complex data modeling, machine learning, and predictive analytics projectsFocuses on data reporting, visualization, and basic analysis to support business decisions

While both roles involve working with data, Freelance Data Science Engineers typically handle advanced analytics and machine learning projects independently, whereas Data Analysts focus on interpreting data through reports and visualizations within organizations.

Full Stack Data Science Engineer

Td

Toronto, ON • On-site

CA$120K - CA$154K/yr

Full-time

Re-posted 3 days ago


Job description

Work Location:

Toronto, Ontario, Canada

Hours:

0

Line of Business:

Analytics, Insights, & Artificial Intelligence

Pay Details:

$120,000 - $154,000 CADThe pay details posted reflect a temporary market premium specific to this role that is reassessed annually.

TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actually offered may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational needs.

As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.

Job Description:

Additional Job Description

Department Overview

Join a high-impact analytics team that shapes business decisions through data, insights, and AI/ML. Collaborate with business leaders and cross-functional teams to uncover opportunities, build scalable analytics solutions, and translate complex analysis into actionable insights.

Key Responsibilities

  • Lead end-to-end performance diagnostics across customer, product, and advisor dimensions to identify growth, efficiency, and primacy opportunities.

  • Translate curated data into actionable insights through hypothesis development, testing, analysis, and stakeholder storytelling.

  • Design and deliver scalable analytics assets, including datasets, dashboards, segmentation frameworks, and predictive AI/ML models.

  • Investigate, evaluate, and implement AI/ML tools and algorithms to solve complex business problems.

  • Develop compelling visualizations and data stories tailored to technical and non-technical audiences.

  • Partner with business owners to drive advanced analytics and AI/ML adoption.

  • Lead cross-functional collaboration with data scientists, engineers, IT partners, and business process owners.

  • Provide subject-matter expertise, mentorship, and guidance on advanced analytics and AI/ML methodologies.

  • Identify emerging analytical trends and data needs to improve repeatable and scalable solutions.

Required Qualifications & Skills

  • Business Acumen: Strong ability to frame and structure complex business problems in financial services / retail banking, connect analytical insights to commercial levers (growth, efficiency, customer and advisor outcomes), and translate findings into clear, actionable recommendations. Demonstrated comfort engaging with senior executives and Csuite stakeholders, influencing decisions through concise, insightdriven storytelling.

  • Applied Analytics Expertise: Demonstrated ability to creatively explore data, identify nonobvious patterns, and rigorously test hypotheses to solve complex business problems. Brings an entrepreneurial mindset to analytics by proactively identifying opportunities, challenging assumptions, and delivering highimpact insights that drive informed decisionmaking.

  • ML/AI Lifecycle Familiarity: Experience working with existing ML/AI models (adjusting inputs, interpreting outputs) and building or modifying models as needed. Solid knowledge of applied Machine Learning, Deep Learning, Large Language Models

  • Solid cloud experience with Azure or AWS and cloud AI/ML services such as Databricks, Kubernetes, docker and container orchestration, Azure Machine Learning, Azure Data Factory

  • Visualization & Communication: Proficient in creating clear, compelling dashboards, visualizations, and data stories tailored to diverse audiences, including senior executives and Csuite leaders, translating complex analysis into concise, decisionready narratives.

  • Data Stewardship: Confident working with structured and unstructured data from multiple sources, ensuring data usability, cleanliness, and reliability. Able to build or modify data pipelines or analytical assets.

  • Core Analytical Tools: Proficient in Python, PySpark, SQL, Power BI, and Databricks (or similar platforms) for data preparation, analysis, and collaboration.

  • Strong experience with PySpark for big data processing and PyTorch for deep learning model serving.

  • Non-Technical Skills: Strong relationship management, storytelling, and business communication skills for senior audiences.

Education & Experience

  • A graduate or undergraduate degree in a quantitative or analytics-focused discipline (e.g., Business Analytics, Data Science, Statistics, Mathematics, Engineering, Computer Science, Finance, Actuarial Science).

  • 5 years of relevant experience in advanced analytics, data science, or applied AI/ML in domains such as financial services, technology, consulting, or similar industries

  • Data Manipulation: SQL, PySpark, Python

  • AI & ML: Predictive Analytics, Natural Language Processing (NLP), Supervised and Unsupervised Learning, leveraging Generative AI tools and APIs, Model Development and Deployment, Experimentation and Optimization including emerging capabilities and their application in analytical workflows.

  • Data Visualization: Power BI, Tableau

  • Cloud & Big Data Platforms: Azure (ADF, Synapse, Databricks), Snowflake

  • Data Engineering: ETL/ELT Pipelines, Apache Spark

Nice-to-Have

  • Experience in customer analytics within financial services (e.g., engagement, onboarding, cross-sell, retention, productivity insights).

  • Expertise in optimizing analytical assets (data pipelines, models, dashboards) to drive measurable business impact.

  • Bilingual proficiency (English/French).

Apercu du departement

Joignez-vous a une equipe d'analytique strategique qui soutient la prise de decision d'affaires grace a des analyses rigoureuses, aux donnees et aux capacites d'intelligence artificielle et d'apprentissage automatique (IA/AA). En partenariat etroit avec les leaders d'affaires et les equipes transversales, vous contribuerez a identifier des occasions a forte valeur ajoutee, a developper des solutions analytiques durables et a transformer des analyses complexes en recommandations claires, concretes et responsables.

Responsabilites principales
  • Diriger des analyses de performance de bout en bout couvrant les dimensions clients, produits et conseillers, afin d'identifier des occasions d'amelioration liees a la croissance, a l'efficacite operationnelle et a la relation client.

  • Convertir les donnees en informations exploitables par l'elaboration d'hypotheses, leur validation analytique et la communication structuree des constats aux parties prenantes.

  • Concevoir, developper et maintenir des actifs analytiques evolutifs, incluant des ensembles de donnees, des tableaux de bord, des cadres de segmentation et des modeles predictifs en IA/AA.

  • Evaluer et mettre en uvre des outils, techniques et algorithmes d'IA/AA afin de repondre a des enjeux d'affaires complexes, dans le respect des cadres de gouvernance et de gestion des risques.

  • Produire des visualisations et des recits de donnees clairs et percutants, adaptes a des publics techniques et non techniques.

  • Travailler en etroite collaboration avec les partenaires d'affaires afin de favoriser l'adoption de l'analytique avancee et de l'IA/AA a l'echelle de l'organisation.

  • Assurer une collaboration efficace avec les equipes de science des donnees, d'ingenierie, des TI et les responsables des processus d'affaires.

  • Agir comme expert-conseil, en offrant du mentorat et de l'accompagnement sur les methodologies avancees en analytique et en IA/AA.

  • Surveiller les tendances emergentes en analytique et les besoins en donnees afin d'ameliorer la reutilisabilite, la robustesse et l'evolutivite des solutions.

Qualifications et competences requises

Sens des affaires et communication executive

  • Capacite demontree a structurer et a resoudre des problematiques complexes dans les services financiers et les services bancaires de detail.

  • Aptitude a relier les resultats analytiques aux leviers d'affaires (croissance, efficacite, experience client et performance des conseillers) et a formuler des recommandations claires et orientees vers l'action.

  • Aisance a interagir avec des cadres superieurs et la haute direction, en influencant les decisions grace a une communication concise, factuelle et axee sur les insights.

Expertise en analytique appliquee

  • Solide experience en exploration de donnees, en identification de tendances non evidentes et en validation rigoureuse d'hypotheses afin de soutenir des decisions d'affaires eclairees.

  • Approche proactive et structuree, axee sur l'amelioration continue et la creation de valeur mesurable.

IA et apprentissage automatique

  • Experience avec des modeles existants d'IA/AA (ajustement des parametres, interpretation des resultats) ainsi qu'avec la conception ou l'evolution de modeles, au besoin.

  • Bonne connaissance de l'apprentissage automatique applique, de l'apprentissage profond et des grands modeles de langage (LLM).

Infonuagique et plateformes analytiques

  • Experience avec des environnements infonuagiques tels qu'Azure ou AWS et avec des services d'IA/AA incluant Databricks, Kubernetes, Docker, Azure Machine Learning et Azure Data Factory.

Visualisation et narration des donnees

  • Capacite a concevoir des tableaux de bord et des visualisations clairs, coherents et adaptes a divers niveaux de public, incluant la haute direction, en mettant l'accent sur la prise de decision.

Gestion et qualite des donnees

  • Aisance a travailler avec des donnees structurees et non structurees provenant de sources multiples, en assurant leur qualite, leur fiabilite et leur conformite aux normes internes.

  • Capacite a concevoir ou a ameliorer des pipelines de donnees et des actifs analytiques.

Outils analytiques

  • Maitrise de Python, PySpark, SQL, Power BI et Databricks (ou outils comparables).

  • Experience confirmee avec PySpark pour le traitement de donnees volumineuses et PyTorch pour le deploiement de modeles d'apprentissage profond.

Competences interpersonnelles

  • Excellentes habiletes en collaboration, en gestion des relations et en communication d'affaires aupres de partenaires et de dirigeants.

Formation et experience
  • Diplome universitaire (baccalaureat ou maitrise) dans un domaine quantitatif ou analytique (analytique d'affaires, science des donnees, statistique, mathematiques, genie, informatique, finance, actuariat).

  • 5 annees d'experience pertinente en analytique avancee, science des donnees ou IA/AA appliquee, idealement dans les services financiers, la technologie ou le conseil.

Competences techniques cles

  • Manipulation des donnees : SQL, PySpark, Python

  • IA et AA : analytique predictive, traitement du langage naturel (NLP), apprentissage supervise et non supervise, IA generative, developpement et deploiement de modeles, experimentation et optimisation

  • Visualisation : Power BI, Tableau

  • Infonuagique et donnees massives : Azure (ADF, Synapse, Databricks), Snowflake

  • Ingenierie des donnees : pipelines ETL/ELT, Apache Spark

Atouts
  • Experience en analytique client dans un contexte de services financiers (engagement, integration, ventes croisees, retention, productivite).

  • Capacite demontree a optimiser des actifs analytiques afin de generer des resultats d'affaires mesurables.

  • Bilinguisme (francais et anglais).

Who We Are:

TD is one of the world's leading global financial institutions and is the fifth largest bank in North America by branches/stores. Every day, we strive to make every interaction, product, and experience remarkably human and refreshingly simple for over 27 million households and businesses in Canada, the United States and around the world. More than 95,000 TD colleagues bring their skills, talent, and creativity to foster deeper relationships, ensure disciplined execution, and build a simpler, faster banking experience. TD is deeply committed to being a leader in client experience, that is why we believe that all colleagues, no matter where they work, are client facing. Together, we are reimagining what banking can be for our clients, colleagues and communities.

Our Total Rewards Package
Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well-being goals. Total Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs. Learn more

Additional Information:
We're delighted that you're considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we're committed to providing the support our colleagues need to thrive both at work and at home.

Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements.


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