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Added 7 mins ago
FH
Evaluation Lead, Mental Health & Substance Use (MHSU)
Fraser Health
Surrey, BC
- Full-time
To learn more about our MHSU programs and services, read employee insights, and current job vacancies, please visit this site: Fraser Health MHSU
Added 21 mins ago
GO
Director, Workforce Development
Government of Manitoba
Winnipeg, MB
- Full-time
…motivated candidate to fill the position of Director, Workforce Development within the Policy & Planning Branch of Early Learning & Child…
Added 21 mins ago
AU
Security Guard - Various Casual Shifts
Allied Universal
Windsor, ON
- $18 CAD / hour
- Part-time
We are North America's leading security and facility services provider with approximately 300,000 service personnel. At Allied Universal(R), we pride ourselves on fostering a promote from…
Added 21 mins ago
T
Data & AI Alliance Executive
Toast
Toronto, ON
- $130,000 to $165,000 USD / year
- Full-time
Toast is recruiting on behalf of one of the world’s largest professional services firms, a global leader in audit, tax, and advisory with thousands of professionals across Canada. The…
Added 21 mins ago
T
Manager, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
Toast
Montreal, QC
- $103,000 to $150,000 USD / year
- Full-time
Toast is recruiting on behalf of a global Big Four professional services firm with more than 10,000 people across Canada, hiring a Manager, Software Delivery Developer for its Gen AI and…
Added 22 mins ago
AU
Security Guard - Full Time - Rotational Shifts
Allied Universal
Timmins, ON
- $22 CAD / hour
- Full-time
We are North America's leading security and facility services provider with approximately 300,000 service personnel. At Allied Universal(R), we pride ourselves on fostering a promote from…
Added 22 mins ago
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Marketing Manager B2B
Nestlé Nespresso SA
Montreal, QC
- Full-time
Define segment-specific go-to-market strategies across products, pricing, promotions and services with Sales and Finance to grow penetration and profitability.
Added 22 mins ago
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Cloud Solution Architect/Architecte de solutions cloud
Bluberi
Drummondville, QC
- Full-time
Reporting to the Infrastructure Manager, the Sr. IT System & Network Administrator is a senior technical and delivery-focused role responsible for architecting, implementing, and evolving…
Added 22 mins ago
AU
Scheduler
Allied Universal
Waterloo, ON
- $43,800 CAD / year
- Full-time
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Added 22 mins ago
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Senior Manager - Senior Tech Lead – AI & Technology Transformation
Toast
Montreal, QC
- $103,000 to $190,000 USD / year
- Full-time
Toast is recruiting on behalf of one of Canada’s largest professional services firms, a global advisory, audit and tax organization with more than 10,000 people across the country. The…
Added 22 mins ago
AU
Security Guard - Warehouse Full Time Position
Allied Universal
Milton, ON
- $18 CAD / hour
- Full-time
We are North America's leading security and facility services provider with approximately 300,000 service personnel. At Allied Universal(R), we pride ourselves on fostering a promote from…
Added 22 mins ago
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Security Guard - Mall Various Shifts
Allied Universal
Chatham-Kent, ON · Chatham, ON
- $18 CAD / hour
- Part-time
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Added 22 mins ago
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Consumer & Market Intelligence Manager
Nestlé Nespresso SA
Montreal, QC
- Full-time
…into clear strategic recommendations. As a trusted partner to senior leaders and cross-functional teams, you will help guide business planning, innovation, portfolio, media, channel,…
Added 22 mins ago
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Postdoctoral Research Fellow
The University of British Columbia
Vancouver, BC
- Full-time
…epidemiological and population health research, clinical research, health services and health systems research, intervention evaluation, implementation science, qualitative and…
Added 22 mins ago
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Security Guard - Distribution Centre Full Time
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Milton, ON
- $18 CAD / hour
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We are North America's leading security and facility services provider with approximately 300,000 service personnel. At Allied Universal(R), we pride ourselves on fostering a promote from…
Added 22 mins ago
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Director, Google Gemini Enterprise, Data & AI
Toast
Toronto, ON
- $147,000 to $192,000 USD / year
- Full-time
Toast is recruiting on behalf of one of the world's largest professional services firms, with thousands of people across Canada advising organizations on audit, tax, and advisory work.…
Added 22 mins ago
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Principal Software Development Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
Own services and experiences from development through production - you build it, you run it
Added 22 mins ago
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Technical Service Representative (Part Time)
Best Buy Canada
Fort McMurray, AB
- Part-time
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Added 22 mins ago
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Senior Accountant, Canadian Tax Services
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We help you become a better professional within our services, industries, and markets with extensive opportunities for learning and development.
Added 22 mins ago
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Added 38 mins ago
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Senior Manager, Special Loans
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- Full-time
Demonstrate commitment to teamwork by introducing clients to RBC wide services and expertise through referrals and identifying business opportunities.
Added 38 mins ago
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Senior Director, DevOps Product Management and Strategy
Royal Bank of Canada
Toronto, ON
- Full-time
The Senior Director of DevOps Product Management and Strategy is a transformation-focused strategic leadership role that will shape RBC's future as a technology-led financial services…
Added 52 mins ago
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- Full-time
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Added 52 mins ago
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Senior Project Coordinator - Infrastructure
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- Full-time
…professionals across Buildings, Industrial, Infrastructure, Water, Development, and Services projects…
Added 52 mins ago
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Senior Camp Counsellor (Winter Break Camp 2026)
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nesto

Senior Data Reliability Developer

Canada

Full-time

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Job details

Job type: Full-time
Experience: Experience: 5+ years of experience in Data Reliability or Data QA, with a focus on testing complex SaaS/cloud data environments.
Posting language: English
Posted: Oct 26, 2026

Original job description

The bright side of mortgages

nesto is Canada’s leading digital residential mortgage lender, offering Canadians the lowest rates from the get-go - with total transparency and no haggling.

About Us

As Canada's pioneer in online mortgage lending, nesto is transforming the way Canadians finance their homes. Our mission is to offer a positive, empowering, and transparent property financing experience, simplified from start to finish.

Borrowers benefit from rates that are often lower than those offered by the big banks, along with an exceptional end-to-end mortgage experience powered by best-in-class AI technology. Fast, simple, and fully digital, nesto has been recognized as CLA Lender of the Year for three consecutive years. That's the bright side of mortgages.

Nesto Group

Nesto Group is Canada's leading provider of mortgage technology and financing solutions, with more than CAD $80 billion in residential and commercial mortgages under administration. Trusted by many of the country's leading financial institutions, we combine over 50 years of mortgage expertise with proprietary cloud and AI technology to transform the future of lending.

Powered by our proprietary cloud and AI technology, nesto has become one of Canada's fastest-growing mortgage lenders, gaining market share across direct-to-consumer (D2C) residential lending, the broker channel, and multi-family commercial lending. Recognized as one of Deloitte's Fast 50 companies for three consecutive years, we continue to push the industry forward through innovation, technology, and customer-focused solutions.

Operating through our family of brands - CMLS, nesto, and Nesto Cloud - our mission is to build Canada's mortgage ecosystem of the future and create a true Canadian champion in lending technology and financial services. Learn more at: https://nestogroup.ca/

Life at nesto

At nesto, we're passionate about challenging the status quo and building a better mortgage experience and saving money on their mortgages for Canadians. We foster a culture of collaboration, transparency, and creativity where every team member is empowered to take ownership, make an impact, and grow. If you're looking to solve meaningful problems alongside ambitious, supportive teammates, you'll feel right at home here.

About The Team

Our Data team is the backbone of Nesto Cloud, managing the flow of data that powers Canada’s most advanced mortgage platform. As a Senior Data Reliability Developer, you won't just be "checking results"; you will be a specialized engineer focused on the integrity, reliability, and scalability of our data pipelines. You will collaborate closely with Data Developers to ensure our BigQuery environments, Airflow DAGs, DBT Models, and ETL processes are bulletproof.

What You’ll Be Doing

Architect Data Quality Frameworks: Design and build robust, automated testing suites for data pipelines using Python and SQL to validate data integrity, schema consistency, and transformation logic.
Shift Left in Data: Partner with Data Developers and Product Managers during the design phase to define data contracts, quality gates, and acceptance criteria before code is even written.
Automate Everything: Develop automated "Data-SLA" monitors and observability signals (e.g., Great Expectations, Monte Carlo, or custom Python tools) to catch anomalies in BigQuery and Airflow before they hit downstream reporting.
Complex Validation: Perform deep-dive validation on complex ELT/ETL processes, ensuring high-performance datasets optimized for Power BI and internal analytics are accurate and secure.
CI/CD Integration: Implement and maintain data-specific testing within our Git-based CI/CD workflows (using Pulumi/Terraform), ensuring every deployment is backed by automated regression.
Continuous Improvement: Take ownership of broader data quality outcomes, improving documentation, data governance, and team workflows to make our development flow smoother and more reliable.

Who We’re Looking For

Experience: 5+ years of experience in Data Reliability or Data QA, with a focus on testing complex SaaS/cloud data environments.
Technical Mastery: Strong Python and SQL skills. You approach QA and reliability with a software engineering mindset, writing clean, maintainable automation code.
Modern Data Stack: Hands-on experience with GCP (BigQuery) and orchestration tools like Airflow.
Infra-as-Code: Familiarity with Pulumi or Terraform is a significant asset.
Analytical Rigor: Deep understanding of data modeling, dimensional design, and the ability to diagnose performance bottlenecks in SQL execution plans.
Startup Mindset: You are self-driven, thrive in fast-paced environments, and are comfortable with the occasional uncertainty of a hypergrowth startup.
Education: B.S. or M.S. in Computer Science, Software Engineering, or a related technical field.

Why You'll Love Working Here

We believe great people do their best work when they're supported professionally, personally, and financially. That's why we offer a comprehensive rewards package designed to help you thrive at every stage of your career.

Competitive Rewards - Competitive compensation, performance incentives (where applicable), and recognition for your contributions.
Health & Wellness - Comprehensive medical, dental, and vision coverage, Health & Wellness Spending Accounts (where applicable), telemedicine, Employee Assistance Programs, and mental health support for you and your family.
Time to Recharge - Generous vacation (4 weeks), floater days, and statutory holidays to help you recharge.
Planning for the Future - RRSP matching to support your long-term financial wellbeing.
Family Support - Enhanced maternity and parental leave top-up programs.
Learning & Growth - Education assistance, mentorship, training, and opportunities to build your career across Nesto Group.
Tools for Success - Modern technology, collaborative teams, and the resources you need to do your best work.

Diversity, Equity & Inclusion

At Nesto Group, we believe diverse perspectives make us stronger. We are committed to fostering an inclusive workplace where everyone feels respected, supported, and empowered to succeed.

We welcome applications from people of all backgrounds, including Indigenous Peoples (First Nations, Inuit, and Métis), persons with disabilities, members of racialized communities, women, and members of the 2SLGBTQIA+ community.

If you require accommodation during any stage of the recruitment process, we are committed to working with you to meet your needs.

#nestoposition

#nestocloud

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More about this job

Responsibilities

Design and implement automated data quality frameworks, data contracts, monitoring, and regression tests for BigQuery, Airflow, and ETL/ELT pipelines. Validate data accuracy, security, and performance for analytics, and improve data governance, documentation, and development workflows.

Requirements

Requires 5+ years of experience in data reliability or data QA, strong Python and SQL skills, and hands-on experience with GCP BigQuery and orchestration tools such as Airflow. A bachelor's or master's degree in computer science, software engineering, or a related technical field is specified; Pulumi or Terraform familiarity is an asset.

Skills

Python
SQL
Data Quality Testing
Data Reliability
BigQuery
Google Cloud Platform
Apache Airflow
Data Modeling
Dimensional Design
ETL/ELT
CI/CD
Pulumi
Terraform
Data Observability
Data Governance
Power BI

Benefits

Competitive Compensation
Performance Incentives
Medical, Dental, And Vision Coverage
Health And Wellness Spending Accounts
Telemedicine
Employee Assistance Program
Mental Health Support
Four Weeks Of Vacation
Floater Days
Statutory Holidays
RRSP Matching
Maternity And Parental Leave Top-Up
Education Assistance
Mentorship
Training

Visa sponsorship

Not detected in the job text

Keywords

Data Reliability
Data Quality
Data QA
Python
SQL
Google Cloud Platform
BigQuery
Apache Airflow
DBT
ETL
ELT
Data Pipelines
Data Contracts
Data-SLA Monitoring
Data Observability
Great Expectations
Monte Carlo
Power BI
CI/CD
Git
Pulumi
Terraform
Data Modeling
Dimensional Design
SQL Performance
Data Governance
Regression Testing
Cloud Data Environments
Mortgage Technology
Financial Services

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