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Added 11 mins ago
SO
Cyber Security Architect
Supply Ontario
Toronto, ON · Greater Toronto Area, Canada
- Full-time
As a Cyber Security Architect on our team, you will support the continuous improvement of Supply Ontario’s Cyber Security Program to fortify the organization's digital defenses, safeguard…
Added 26 mins ago
MF
Staff Software Engineer
Magnet Forensics
Canada
- Full-time
…reliability, and future growth. You’ll collaborate closely with Senior Engineers, Technical Leads, and Product Managers to architect robust solutions, drive informed design decisions, and…
Added 3 hours ago
Senior Solutions Engineer
Toast
Toronto, ON
Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy.
Added 5 hours ago
HB
Data Engineer - Up to $200k CAD + Bonus
Hunter Bond
Montreal, QC
- Full-time
…applications across industries including fintech, healthcare, and digital…
Added 9 hours ago
UA
Sr Client Partner - Uber Advertising, Global Restaurants
Uber Advertising
Toronto, ON
- Full-time
…Partner, Enterprise Restaurants (GDP), you will be the primary architect of strategic partnerships with our largest Enterprise Restaurant partners across Canada. You won’t just manage a…
Added 11 hours ago
AS
Principal Banking Technology & Solution Architect (Canada only)
Aequilibrium Software Inc.
Remote, Canada
- $80 to $100 CAD / hour
- Contract
- Remote
Principal Banking Technology & Solution Architect - Credit Unions (Contract)
Added 11 hours ago
LI
Information Architect
Lotus IT Solutions
Toronto, ON · Greater Toronto Area, Canada
- Contract
…and Business Service Delivery and Procurement) is seeking a Senior Information Architect to provide expert information architecture leadership across enterprise and cross-jurisdictional…
Added 11 hours ago
SM
RQ11571 – Information Architect – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Information Architect with extensive experience in enterprise information architecture, information management, metadata standards, data governance, semantic models,…
Added 11 hours ago
SM
RQ11571 – Information Architect – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Information Architect with extensive experience in enterprise information architecture, information management, metadata standards, data governance, semantic models,…
Added 11 hours ago
SM
RQ11571 – Information Architect – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Information Architect with extensive experience in enterprise information architecture, information management, metadata standards, data governance, semantic models,…
Added 12 hours ago
BS
Senior Enterprise security Engineer
BULLTECH SOLUTIONS LTD
Toronto, ON
- Full-time
…Establish target-state security architecture for hybrid cloud, digital banking, API ecosystems, AI platforms, and data…
Added 12 hours ago
BC
Technical Lead - Web/Mobile
BrainRidge Consulting
Toronto, ON
- Full-time
…empower financial institutions and organizations to thrive in the digital age, we provide cutting-edge technology solutions and strategic guidance to drive innovation and growth. As we…
Added 13 hours ago
T
Senior Manager - Senior AI Architect
Toast
Montreal, QC
- $103,000 to $190,000 USD / year
- Full-time
Toast is recruiting on behalf of one of the world’s largest professional services firms for a Senior Manager, Senior AI Architect based in Montreal. With more than 10,000 people across…
Added 14 hours ago
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Senior Data Reliability Developer
nesto
Canada
- Full-time
nesto is Canada’s leading digital residential mortgage lender, offering Canadians the lowest rates from the get-go - with total transparency and no haggling.
Added 14 hours ago
C
Solutions Designer, Splunk Montreal, Quebec, Canada
Cisco
Montreal, QC
- Full-time
Splunk is seeking a highly skilled and strategic Senior Solutions Engineer to join our Eastern Canada team. Splunk, a Cisco company, is building a safer and more resilient digital world…
Added 16 hours ago
OB
Marketing Technology Lead Developer
O2E Brands
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…the technical direction and governance of our public-facing digital properties and integrated marketing technology ecosystem. Operating at the intersection of full-stack software…
Added 17 hours ago
1
Marketing Technology Lead Developer
1-800-GOT-JUNK?
Vancouver, BC · Toronto, ON
- Full-time
…the technical direction and governance of our public-facing digital properties and integrated marketing technology ecosystem. Operating at the intersection of full-stack software…
Added 18 hours ago
M
RQ11571 - Information Architect - Senior
Maarut
Toronto, ON
- Contract
supporting enterprise modernization and digital transformation
Added 19 hours ago
O
Associate Director, Process Engineering
OMERS
Toronto, ON · Head Office Toronto
- Full-time
Architect resilient technology support models that define support ownership, operating processes, service levels, escalation paths, performance measures and governance to enable effective…
Added 19 hours ago
N
Sr. Software Engineer
Nascent
Toronto, ON
- Full-time
For almost 20 years, Nascent has helped build digital products for partners like TELUS, Cineplex, Mastercard, PayPal and RBC and other organizations who are passionate about creating great…
Added 19 hours ago
CI
Principal Architect
Camis Inc
Guelph, ON
- Full-time
We are committed to building software that stands the test of time, and we're looking for a Principal Architect to define the technical direction of our Parks & Recreation platform.
Added 20 hours ago
SS
Senior ETL developer with Snowflake
Syncredible Solutions
Calgary, AB
- Contract
At Syncredible Solutions, we believe in the transformative power of technology. we specialize in Digital transformation services, Enterprise solutions, Power BI Analytics solutions and…
Added 20 hours ago
P&
Architecte principal national / Country Lead Architect
Pratt & Whitney
Longueuil, QC
- Full-time
Added 20 hours ago
SS
Director of Communications & Safety Strategy - Bilingual (French/ English)
Summit Search Group
Toronto, ON
- $115,000 to $155,000 CAD / year
- Full-time
The Director is the architect of bold, integrated communication strategies that energize audiences and amplify the organization’s mission across English and French markets. They ensure…
Added 20 hours ago
S
Junior Architectural Technologist
Stantec
Dartmouth, NS
- Full-time
You will work on tasks under the guidance of an Architect or a Senior Designer. This is an intermediate level Architect Intern design role. You will be designing architectural schematics,…

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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