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Added 12 mins ago
C
Senior Systems Developer - Salesforce
Co-operators
Guelph, ON · Toronto, ON · Mississauga, ON
- Full-time
As the Senior Systems Developer you will be a driving member of an integral team responsible for developing system-based solutions by formulating programs, developing, and maintaining codes…
Added 12 mins ago
RB
Director, Fraud Agentic AI
Royal Bank of Canada
Toronto, ON
- Full-time
Proven experience as a Senior Product Owner, having implemented products that drive business impact and user satisfaction, and a track record of identifying high-impact business problems…
Added 12 mins ago
YB
Events & Community Engagement Coordinator
YWCA Banff
Banff, AB
- Full-time
Added 12 mins ago
Senior Software Engineer - Mobile (React Native/iOS/Android)
BitGo
Toronto, ON
BitGo is hiring a Senior Mobile Software Engineer to build the apps our retail users use to manage and move digital assets. You will own features from design through release, with a focus…
Added 12 mins ago
GD
Co-op Winter 2027 – Systems Engineering – 4-8-Months
General Dynamics Missions System International
Ottawa, ON
- Internship
…Sonar Systems group in Ottawa and Halifax under the guidance of senior engineers. These positions offer the opportunity to contribute to critical programs that support defense and security…
Added 12 mins ago
GD
Co-op Winter 2027 – Systems Engineering – 4-8-Months
General Dynamics Missions System International
Cole Harbour, NS · Ottawa, Ontario
- Internship
…Sonar Systems group in Ottawa and Halifax under the guidance of senior engineers. These positions offer the opportunity to contribute to critical programs that support defense and security…
Added 26 mins ago
YC
JEE Developer, senior
Yoush Consulting
Toronto, ON
- Full-time
Added 26 mins ago
DG
Senior Manager, Restructuring
Doane Grant Thornton LLP
Toronto, ON
- Full-time
As a Senior Manager, Restructuring, your duties and responsibilities will include:
Added 26 mins ago
M
Engineering Lead - Geographic Information Systems (GIS)
Metrolinx
Toronto, ON · Greater Toronto Area, Canada
- $110,854 to $153,872 USD / year
- Full-time
Provide senior leaders with clear, spatially informed decision-support information.
Added 26 mins ago
PC
Internal Audit Senior Associate
PwC Canada
Toronto, ON
- Full-time
As an Internal Audit Senior Associate, unlock your potential and embrace the chance to drive meaningful outcomes that’ll elevate your career. You will have the opportunity to work with…
Added 26 mins ago
LB
Senior Manager - End to End Testing
Laurentian Bank
Toronto, ON
- Full-time
Reporting to the AVP, End to End Testing Function, the Senior Manager, End to End Testing, will play a key leadership role in coaching, mentoring, and guiding the testing team, ensuring the…
Added 26 mins ago
DG
Senior Accountant, Assurance [Audit]
Doane Grant Thornton LLP
Hamilton, ON
- Full-time
As a Senior Accountant, Assurance [Audit] your responsibilities will include:
Added 26 mins ago
CN
Director of Financial Strategy
Canada's National Ballet School
Toronto, ON
- Full-time
…the Director of Financial Strategy is a key member of NBS’ Senior Management team. This role provides strategic leadership in financial planning, analysis, enterprise intelligence, decision…
Added 26 mins ago
BH
Property Coordinator 1 - Indigenous Land Services
BC Hydro
Vancouver, BC
- $63,200 to $68,600 CAD / year
- Full-time
…designation from the Real Estate Institute of BC (REIBC) or Senior Right of Way Professional (SR/WA)…
Added 26 mins ago
VI
Senior Procurement Specialist
Vancouver Island University
Nanaimo, BC
- Full-time
Added 26 mins ago
FN
Senior Analyst, Planning
First Nations Health Authority
Vancouver, BC · Metro Vancouver A, BC
- Full-time
As Senior Analyst, Planning, you will lead strategic and operational planning processes, frameworks, and environmental scans across the FNHA to guide executive decision-making. In this…
Added 27 mins ago
Quality Assurance and Process Lead
Sinai Health
Toronto, ON
Reporting to the Senior Clinical Program Director Surgical Services, the Lead is a key facilitator in managing the overall processes for Sinai Health related to a key Access to Care…
Added 27 mins ago
FOH Management - Assistant Manager
Northland Properties
Sherwood Park, AB
Cultivate your own development by working with senior leaders
Added 27 mins ago
RT
ELYSIS – Conseiller Senior procédé / Senior process advisor
Rio Tinto
Saguenay, QC
- Full-time
Le conseiller senior procédé, sous la direction du surveillant principal de procédé, agit comme expert technique de haut niveau pour le procédé ELYSIS. Il assure la supervision avancée des…
Added 42 mins ago
O
Analyste-programmeur(se) full stack
Onepoint
Montreal, QC · Quebec, QC
- Full-time
La ressource agira à titre d’analyste-programmeur full stack senior au sein de l’équipe des services TI préhospitaliers. Elle participera à l’analyse technique, à la conception, au…
Added 42 mins ago
W
Analyste-programmeur(se) full stack
Wepoint
Montreal, QC · Quebec, QC
- Full-time
La ressource agira à titre d’analyste-programmeur full stack senior au sein de l’équipe des services TI préhospitaliers. Elle participera à l’analyse technique, à la conception, au…
Added 42 mins ago
C
Senior Manager, Program Development
Catalyste+
Toronto, ON
- Full-time
Proactively coordinate with senior leaders to ensure timely implementation of Catalyste+’s strategy to grow and manage its portfolio of projects and to capitalize on new opportunities
Added 42 mins ago
CO
Principal Associate, Product Management
Capital One
Toronto, ON
- Full-time
You’ll rally your teams and senior stakeholders to your product vision and proactively leverage relationships throughout the ecosystem to align to your vision and influence prioritization…
Added 49 mins ago
Ecosystem Development Specialist
Innovation and New Technology
Winnipeg, MB
…briefings, reports, presentations, and recommendations for senior leadership and external stakeholders. The Specialist builds and maintains collaborative relationships with internal and…
Added 51 mins ago
Sr. Infrastructure Analyst
Public Service Delivery
Winnipeg, MB
The Department of Public Service Delivery is seeking for Senior Infrastructure Analyst positions within the Strategy and Professional Support Services Branch under Capital Project Planning…

TekStaff IT Solutions

Data Scientist

Toronto, ON, Canada

Contract

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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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