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Added 9 mins ago
GR
roofer
GRRC Roofing
Hamilton, ON
- Full-time
Added 24 mins ago
AC
drywall installer and finisher
AVOS CONSTRUCTION LTD
Vancouver, BC
- Full-time
Added 24 mins ago
PC
siding contractor
PJ CONSTRUCTION
Stoney Creek, NB
- Full-time
Added 24 mins ago
FG
commercial and retail sign installer supervisor
Flora Graphic & Printing Inc.
Brampton, ON
- Full-time
Added 24 mins ago
CC
Operations Manager (Flooring, Construction)
CentiMark Corporation
ON · Ontario, Canada
- Full-time
Come join the largest Commercial flooring family with over 40% growth since 2020! QuestMark is hiring an industry-experienced Operations Manager to supervise, coordinate and ensure the…
Added 24 mins ago
CC
Flooring Foreman & Laborers (Construction)
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ON · Ontario, Canada
- Full-time
…coatings for pedestrian and vehicle spaces in the industrial, commercial, and retail…
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CC
Epoxy Flooring / Concrete Polishing Foreman & Laborers (Construction)
CentiMark Corporation
ON · Ontario, Canada
- Full-time
…coatings for pedestrian and vehicle spaces in the industrial, commercial, and retail…
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Equipment Operator
GFL - Sewer Technologies Division
Charlottetown, PE
- Full-time
Commercial Driving Experience (Asset): Minimum 1 year of commercial driving experience (or completion of an accredited truck driving school program).
Added 24 mins ago
B
Building mechanical engineering technologist
BPA
AB · Greater Edmonton Metropolitan Area
- Full-time
…collaboration, and developing practical solutions for clients across commercial, institutional, healthcare, industrial, and other building…
Added 24 mins ago
RC
Project Coordinator
Rexel Canada
AB · Edmonton, AB
- Full-time
…solutions and equipment for the industrial, residential and commercial sectors. As the energy evolves, our business is transforming alongside it.This change is driven by you - our fresh…
Added 24 mins ago
G-
Equipment Operator
GFL - Sewer Technologies Division
NS · Cumberland, Subdivision B
- Full-time
Driving Experience: Minimum 1 year of commercial driving experience (or completion of an accredited truck driving school program).
Added 24 mins ago
CR
Housekeeping - Casual
COGIR Real Estate
Oakville, ON
- Part-time
Previous experience in commercial / residential/ Healthcare cleaning and laundry procedures is desirable
Added 24 mins ago
TA
Senior Technologist
Thinkspace Architecture Planning Interior Design Ltd.
Surrey, BC
- $85,000 to $100,000 CAD / year
- Full-time
…specializes in K–12 and post-secondary education, health care, commercial, and community & cultural projects, guided by five core values - curiosity, collaboration, client focus,…
Added 24 mins ago
AP
Spécialiste thérapeutique, Santé des femmes – Estrie, Mauricie & Est du Québec
Astellas Pharma
Quebec, QC
- Full-time
…stratégies et tactiques de marque afin de maximiser le succès…
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Mortgage Specialist- EN
RBC
Montreal, QC
- Full-time
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CC
Global Account Manager
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Toronto, ON · North York, ON
- Full-time
…business by leveraging the global network footprint that includes commercial and retail buildings, carrier neutral hotels, data centers and colocation…
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CC
Epoxy Flooring / Concrete Polishing Foreman & Laborers (Construction)
CentiMark Corporation
Vancouver, BC
- Full-time
…coatings for pedestrian and vehicle spaces in the industrial, commercial, and retail…
Added 24 mins ago
MS
Purchasing Manager
MacDonald Search Group
Vancouver, BC
- Full-time
Proven experience negotiating pricing, contracts, and commercial terms with suppliers.
Added 24 mins ago
RC
Pricing Manager
Rexel Canada
Vancouver, BC
- $90,000 CAD / year
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…solutions and equipment for the industrial, residential and commercial sectors. As the energy evolves, our business is transforming alongside it.This change is driven by you - our fresh…
Added 24 mins ago
R
Procurement Manager - Corporate Services
Roche
Mississauga, ON · Canada Pharma Campus
- Full-time
…The group includes communities like Research & Development, Commercial and Corporate Services, Digital & Technology, and Facilities, ensuring category expertise and flexibility in…
Added 24 mins ago
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Canada Technology Consulting - Business Platform Transformation Senior Director
Protiviti
Toronto, ON · Vancouver, BC
- Full-time
…of modern revenue models, requiring organizations to connect commercial strategy, technology architecture, process design, data integrity, and delivery excellence. Subscription pricing,…
Added 24 mins ago
CS
Housekeeping Aide (Casual)
Cogir Senior Living
Edmonton, AB · Glenora Park
- Part-time
Previous experience in commercial / residential/ Healthcare cleaning and laundry procedures is desirable
Added 24 mins ago
CS
Housekeeping - Casual
Cogir Senior Living
Oakville, ON · The Kensington Oakville
- Part-time
Previous experience in commercial / residential/ Healthcare cleaning and laundry procedures is desirable
Added 24 mins ago
T
Customer Experience Associate
TD
Toronto, ON
- Part-time
Added 24 mins ago
T
Customer Experience Associate
TD
Toronto, ON
- Full-time

TechBlocks

Senior Data Scientist

Vaughan, ON, Canada

Contract

Apply About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Nov 4, 2026
Posting language: English
Posted: Oct 5, 2026

Original job description

About the Role

We are hiring a lead data scientist to own the technical strategy and hands-on development of large-scale optimization and machine learning systems that drive real operational decisions - routing, scheduling, resource allocation, network design, or forecasting-driven planning. You will lead the design of Mixed-Integer Linear Programming (MILP), Vehicle Routing Problem (VRP), constraint programming, and machine learning solutions that turn complex, high-volume operational problems into scalable, production decision systems.

This is a player-coach position. You will set technical direction and mentor a team of data scientists while staying hands-on in solver design, model architecture, and production deployment. You will partner directly with business, engineering, and executive stakeholders to turn operational challenges into optimization systems that deliver measurable gains in cost, efficiency, and service quality - skills that translate directly across supply chain, logistics, workforce, network, and resource-planning problems.

What You'll Do

Optimization & Model Architecture

Own the technical architecture of large-scale optimization systems built on MILP/MIP, constraint programming, and heuristic/metaheuristic solvers (e.g., Gurobi, CPLEX, OR-Tools).
Design and scale routing, scheduling, resource allocation, and network optimization models that account for real-world constraints such as capacity, time windows, territory or zoning restrictions, and service-level commitments.
Set modeling standards, solver performance benchmarks, and reusable optimization frameworks used across the data science team.
Integrate ML-based forecasting (demand, consumption, ETAs, anomalies) with the optimization engine to move decision-making from reactive to prescriptive.

Technical Leadership & Delivery

Define the architecture for deploying optimization and ML solutions in production on cloud/lakehouse platforms (e.g., Azure, Databricks), including validation, monitoring, and rollback strategy.
Lead design reviews and set the bar for model governance, testing, and code quality across the team.
Partner with Data Engineering to productionize solvers and pipelines at the throughput required for large-scale, recurring optimization runs.
Stakeholder Partnership & Team Leadership
Translate operational priorities from business and operations leaders into a prioritized optimization roadmap.
Present model trade-offs, assumptions, and business impact clearly to executive and non-technical audiences.
Hire, mentor, and grow a team of data scientists and optimization engineers; establish career development, code review, and model review practices.

Required Qualifications

10+ years of experience in data science, operations research, applied mathematics, industrial engineering, or an equivalent quantitative field, including 3+ years leading or mentoring a team.
A proven track record of shipping production MILP/MIP or VRP systems that solve real routing, scheduling, resource allocation, or network optimization problems at scale - not only academic or proof-of-concept work.
Expert-level Python and SQL, with hands-on experience using at least one commercial-grade solver (Gurobi, CPLEX) and/or OR-Tools.
Experience combining ML forecasting with optimization (e.g., demand or consumption forecasting feeding a scheduling or planning engine).
Experience deploying and operating models on cloud/lakehouse platforms (Azure, Databricks, or equivalent).
Strong written and verbal communication; comfortable presenting technical trade-offs to executive stakeholders.

Preferred Qualifications

Master's or PhD in Operations Research, Applied Mathematics, Industrial Engineering, Data Science, or a related field.
Experience applying optimization in supply chain, logistics, transportation, manufacturing, retail, or field-operations settings.
Familiarity with simulation, digital twins, reinforcement learning, or prescriptive analytics.
Experience with Spark or distributed computing for large-scale data processing.
Exposure to MLOps and model governance frameworks.

Tools & Technologies

Python •SQL •Gurobi / CPLEX / OR-Tools • Azure • Databricks •MILP / VRP • Spark • MLOps

Why TechBlocks

Work directly with Fortune 500 executives and digital transformation leaders.
Be part of a fast-growing, AI-native software engineering firm redefining global delivery through our GCC-as-a-Service model.
Collaborate with global teams in Canada, the U.S., and India on cutting-edge cloud and AI initiatives.
Competitive compensation, performance incentives, and a culture that values ownership, agility, and innovation.

Apply About employer

More about this job

Responsibilities

Lead the technical strategy, architecture, and hands-on development of scalable optimization and machine learning systems for routing, scheduling, resource allocation, and network planning. Guide and mentor a data science team, productionize models with engineering partners, and communicate model trade-offs and business impact to stakeholders.

Requirements

Requires 10+ years of relevant quantitative experience, including 3+ years leading or mentoring a team, and a proven record of deploying production MILP/MIP or VRP systems at scale. Candidates need expert Python and SQL skills, experience with optimization solvers, ML forecasting, and cloud or lakehouse deployments; a relevant master's or PhD is preferred.

Skills

Python
SQL
Mixed-Integer Linear Programming
Mixed-Integer Programming
Vehicle Routing
Constraint Programming
Heuristic and Metaheuristic Solvers
Gurobi
CPLEX
OR-Tools
Machine Learning Forecasting
Cloud and Lakehouse Platforms
Azure
Databricks
Spark
Team Leadership

Benefits

Competitive Compensation
Performance Incentives

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Operations Research
Applied Mathematics
Industrial Engineering
Python
SQL
Mixed-Integer Linear Programming
Mixed-Integer Programming
Vehicle Routing Problem
Constraint Programming
Heuristic Solvers
Metaheuristic Solvers
Gurobi
CPLEX
OR-Tools
Machine Learning
Demand Forecasting
Scheduling
Resource Allocation
Network Optimization
Azure
Databricks
Spark
Distributed Computing
MLOps
Model Governance
Simulation
Digital Twins
Reinforcement Learning
Prescriptive Analytics

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