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Added 1 hour ago
AC
Lead Data Designer
Aviva Canada
Markham, ON
- Full-time
At Aviva, data is at the heart of every customer experience, business decision, and innovation journey. As a Lead Data Designer, you'll play a critical role in shaping our enterprise data…
Added 1 hour ago
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1836 Data Scientist III
Amyantek
Toronto, ON
- Contract
…puzzles. An inquisitive mind. Driven to ask questions to help lead projects to commercial value and not being afraid that the innovation attempts can and will lead to failing. A passion for…
Added 1 hour ago
Pipeline Integrity Engineer, Risk
NDT Global Group
Calgary, AB
…ingestion processes, and basic extract, transform, and load (ETL) methodologies. The role requires the ability to understand, validate, and interpret pipeline integrity and risk data,…
Added 2 hours ago
MG
Business Analyst
Mobility Global
London, ON
- Full-time
Take the lead in annual commercial go-to-market tasks such as target setting, territory alignment, incentive compensation design and rollout
Added 2 hours ago
Lead Data Designer
Aviva
Markham, ON
At Aviva, data is at the heart of every customer experience, business decision, and innovation journey. As a Lead Data Designer, you'll play a critical role in shaping our enterprise data…
Added 2 hours ago
SC
Team Manager - Application Development
Staples Canada
Richmond Hill, ON
- Full-time
Lead the planning, design, implementation, testing, and deployment of complex system-to-system integrations and application modernization initiatives.
Added 3 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 3 hours ago
SG
Business Analyst
S&P Global Mobility
London, ON
- Full-time
Take the lead in annual commercial go-to-market tasks such as target setting, territory alignment, incentive compensation design and rollout
Added 3 hours ago
WI
Senior GIS Analyst
WSP in Canada
Terrace, BC
- Full-time
Lead the GIS components of moderate to high complexity projects
Added 3 hours ago
WI
Senior GIS Analyst
WSP in Canada
Vancouver, BC
- Full-time
Lead the GIS components of moderate to high complexity projects
Added 4 hours ago
Senior GIS Analyst
WSP
Vancouver, BC
Lead the GIS components of moderate to high complexity projects
Added 4 hours ago
RC
Manufacturing Engineer
Randstad Canada
Calgary, AB · Greater Calgary Metropolitan Area
- Full-time
…architectural-lighting solutions. They are seeking a hands-on, highly skilled Lead Manufacturing & Sustaining Engineer to bridge the gap between product development, operations, and…
Added 4 hours ago
C
Application Development Senior Manager - Vice President
Citi
Mississauga, ON
- Full-time
Minimum of 5+ years of proven experience in a Python and pyspark Engineering lead role focused on building enterprise-grade, high-volume ELT/ETL processes using the PySpark and Databricks…
Added 4 hours ago
B
Senior Manager, Data Engineer, Applied AI Data Ingestion & Integration
BMO
Toronto, ON · FCP
- Full-time
…business requirements into scalable data solutions. You will lead the analysis, profiling, integration, quality assessment, and operationalization of structured, semi-structured, and…
Added 5 hours ago
GT
Spotfire Developer
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $60 to $80 CAD / hour
- Contract
This is a Spotfire Developer engagement based in the Greater Toronto area. The role involves client interaction and targets candidates with 6–10 years of relevant analytics, BI, or…
Added 5 hours ago
S
Head of Data Systems (Google Stack)
Stacktics
Toronto, ON
- Full-time
Lead thorough audits of clients'/prospects' Data Systems, and other associated platforms and technologies as applicable including performance and cloud cost-efficiency
Added 5 hours ago
Manager, Analytics & Process Innovation
MCAP
Toronto, ON
…working with the Director and business stakeholders, and may lead individual initiatives or workstreams. Knowledge of AI and LLM technologies is considered an…
Added 6 hours ago
Senior Manager, Data Initiatives
Scotiabank
Toronto, ON
…initiatives, the delivery of data quality enhancements and lead other members of the Data Initiatives team. This role also involves oversight of Data Initiatives team members, creating…
Added 6 hours ago
Q
Technical Lead – Treasury
Quantiphi
Toronto, ON · CA ON Toronto
- Full-time
7+ years of technical delivery experience, including a technical lead or senior developer role on finance, treasury, or payments platforms.
Added 6 hours ago
A
Senior Data Engineer - Temporary
ARC'TERYX
North Vancouver, BC
- Full-time
As a Senior Data Engineer, you will lead the design and implementation of complex data architectures that drive critical business decisions across the organization. You'll architect…
Added 6 hours ago
C
Solution Designer Generative AI Applications
CIBC
Toronto, ON
- Full-time
…functionality, infrastructure, interfaces and integrations. Lead the design of cost-effective and innovative solutions to meet both business objectives and the goal of operational…
Added 7 hours ago
M
Business / Functional BI Analyst
Maarut
Montréal-Est, QC · Montreal, Quebec
- Contract
is explicit: modeling, understanding of ETL flows and validation of the sources
Added 7 hours ago
C
Solution Designer Generative AI Applications
CIBC
Toronto, ON
- Full-time
…functionality, infrastructure, interfaces and integrations. Lead the design of cost-effective and innovative solutions to meet both business objectives and the goal of operational…
Added 7 hours ago
S
Business System Analyst
SMARTFOX
Canada
- Full-time
Lead system implementations, upgrades, data migrations, and releases, including testing, user acceptance, training, and go-live support
Added 7 hours ago
Senior Data Engineer
Scotiabank
Toronto, ON
Lead the design, development, and optimization of data pipelines, ingestion frameworks, and analytical workloads

TekStaff IT Solutions

Data Scientist

Toronto, ON, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Nov 8, 2026
Experience: · 5+ years’ experience in developing and implementing data science techniques
Posting language: English
Posted: Oct 9, 2026

Original job description

TekStaff's Client has a current vacancy for "Data Scientist"

Job Description

Role Summary

Reporting to the Director, Data Science, as a Senior Data Scientist a successful candidate will focus on supporting Canadian business units in accelerating the growth and application of advanced analytics in driving value. The senior data scientist will leverage practical experience in applying varied data science techniques & offering advice/inputs to help with the design, development and implementation of analytics use cases.

Key attributes:

Fierce curiosity. A successful candidate is drawn to discovering and leveraging new data and taking on challenging business puzzles. An inquisitive mind. Driven to ask questions to help lead projects to commercial value and not being afraid that the innovation attempts can and will lead to failing. A passion for solving problems. The most successful data scientists’ solution for what the right data to use, they solve using the most suitable (not most advanced) algorithms for the problem at hand and figure out how to execute and deliver with highest efficiency. Technical skills in both data and computer science. The 3 core technical skills would be: in-depth coding knowledge of an analytical tool(s) (i.e., Python); data science techniques and concepts; working with structured data and unstructured data. Thirst for learning. A successful candidate is a data scientist who is constantly updating their knowledge of data science state-of-the-art.

Key Responsibilities:

Data Science and Machine Learning

· Translate business goals into analytical problems; Identify optimal algorithms, statistical techniques and/or GenAI architecture suitable for the business problem at hand

· Work in cross-functional teams to develop ML/data science products, including GenAI applications

· Apply best-in-breed data science techniques including descriptive, predictive, and machine learning methods from design to implementation

· Focus on feature engineering, model training, model evaluation, and prompt engineering for LLMs

GenAI & Agentic AI Development

· Design, develop, and deploy GenAI solutions including AI agents, chatbots, and autonomous systems that solve complex business problems

· Research and pilot the latest GenAI technologies, RAG (Retrieval-Augmented Generation) techniques, and agentic frameworks (LangChain, LangGraph, CrewAI etc.)

· Implement AI bots/agents with advanced reasoning capabilities and tool use patterns

· Work with vector databases and embedding models to build intelligent information retrieval systems

Technical Leadership & Collaboration

· Break down broader data science development milestones into actionable goals, activities, and work plans

· Create and maintain technical design artifacts describing application functionality, data models, interfaces, and integrations

· Engage and negotiate with stakeholders, make business recommendations with effective presentations of findings at multiple levels of stakeholders

· Champion continuous improvement and foster innovation within the analytics communi

Required Qualifications:

· Bachelor’s degree in computer science, Statistics, Mathematics, or related field, or equivalent experience

· 5+ years’ experience in developing and implementing data science techniques

· Proficient in Python for data science and GenAI application development

· Experience with writing complex SQL and PySpark queries to extract and integrate data from multiple database sources

· Proficiency in machine learning including supervised and unsupervised models

· Demonstrated experience in data transformation, data manipulation, and working with structured vs. unstructured data

· Strong understanding of APIs, microservices architecture, and cloud-native development

· Hands-on expertise with GenAI frameworks and LLM APIs with experience developing AI bots/agents with reasoning and tool-use capabilities

· Strong understanding of RAG techniques, prompt engineering, and fine-tuning methodologies and familiarity with vector databases and embedding models

· Experience with chatbot development concepts and conversational AI design

· Exceptional communication skills to articulate complex technical concepts to both technical and non-technical stakeholders

· Effective and concise oral and written storytelling and insights communication skills

· Ability to work on multiple projects in parallel while managing constantly changing deadlines and priorities

· Proven ability to mentor and guide junior data scientists and data engineers

· Strong problem-solving abilities and analytical skills with keen attention to detail

Nice to Have:

· Experience with AWS services including SageMaker, Lambda, Bedrock, and other AI/ML services

· Experience with data warehousing, pipelines, and big data technologies such as AWS Glue for ETL, Glue Catalog, Glue Data Quality, and AWS Step Functions.

TekStaff may use artificial intelligence (AI) tools as part of the applicant screening process. However, applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

Apply About employer

More about this job

Responsibilities

Translate business goals into analytical problems and develop, evaluate, and deploy machine learning and generative AI solutions, including agents, chatbots, and retrieval systems. Lead technical planning and design, collaborate with stakeholders, communicate findings, and mentor junior data science and engineering staff.

Requirements

Requires a bachelor’s degree in computer science, statistics, mathematics, or a related field, or equivalent experience, and at least five years of data science implementation experience. Candidates should be proficient in Python, SQL, PySpark, machine learning, GenAI and LLM development, RAG, prompt engineering, data transformation, APIs, and cloud-native development, with strong communication and mentoring skills.

Skills

Python
SQL
PySpark
Machine Learning
Generative AI
Large Language Models
Retrieval-Augmented Generation
Prompt Engineering
AI Agent Development
Feature Engineering
Model Training and Evaluation
Vector Databases
Embedding Models
API and Microservices Architecture
Cloud-Native Development
Stakeholder Communication

Visa sponsorship

Not detected in the job text

Keywords

Python
SQL
PySpark
Machine Learning
Supervised Learning
Unsupervised Learning
Generative AI
Large Language Models
LLM APIs
Retrieval-Augmented Generation
Prompt Engineering
Fine-Tuning
AI Agents
Chatbots
Conversational AI
LangChain
LangGraph
CrewAI
Vector Databases
Embedding Models
Feature Engineering
Data Transformation
Structured Data
Unstructured Data
APIs
Microservices
Cloud-Native Development
AWS SageMaker
AWS Lambda
Amazon Bedrock

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