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Added 8 days ago
Network Designer
Rogers Communications
Brampton, ON · Toronto, ON
We are looking for Network Designer who will be reporting to the Manager, Engineering – Wireless Data Core, the Data Networks specialist will be the technical Subject Matter Expert (SME) to…
Added 8 days ago
RL
Lead, Manufacturing Engineer
Rocket Lab
Toronto, ON
- Full-time
Based out of Rocket Lab's site Sinclair Interplanetary in Toronto, Ontario, Canada, this role reports to the engineering manager and is responsible for leading the manufacturing team to…
Added 8 days ago
T
Software Engineer II (Salesforce Loyalty Management Developer)
TD
Toronto, ON
- Full-time
The Software Engineer II (Salesforce Loyalty Management Developer)
Added 8 days ago
Software Engineer I
Planview Incorporated
Vancouver, BC
As part of the Platform Engineering organization, you'll help build intelligent platform capabilities that enable engineers to develop, deploy, operate, and scale software with greater…
Added 8 days ago
A
Cloud Security Analyst
ATB
Calgary, AB · Edmonton, AB
- Full-time
…identifying security risks, strengthening controls, and working with engineering teams to resolve vulnerabilities and misconfigurations. You'll work primarily across Google Cloud Platform…
Added 8 days ago
SM
RQ11485 – Data Architect/Modeller – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience using Python to support data processing activities.
Added 8 days ago
SM
RQ11485 – Data Architect/Modeller – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience using Python to support data processing activities.
Added 8 days ago
SM
RQ11485 – Data Architect/Modeller – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience using Python to support data processing activities.
Added 8 days ago
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Senior Orbit Dynamics & Mission Analysis Engineer
Jobgether
Canada
- Full-time
…orbital mechanics, and mission design. You will lead high-level engineering analyses, optimize spacecraft trajectories, and develop simulation models that support critical mission…
Added 8 days ago
A
Lead AI Security Developer
ATB
Calgary, AB · Edmonton, AB
- Full-time
As ATB’s next AI Security Developer, you'll help us build and operate the security capabilities needed to protect ATB's growing use of artificial intelligence. You'll develop and integrate…
Added 8 days ago
T
Staff Machine Learning Engineer
Twilio
Remote, Canada
- Full-time
- Remote
You will drive improvements to managing LLM workloads across the company, while ensuring easy and compliant access to data for AI/ML exploration and product development. This role requires…
Added 8 days ago
M
Software Engineer II
Microsoft
Vancouver, BC
- Full-time
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Added 8 days ago
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Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
You will help define engineering approaches for building secure, reliable, and maintainable AI experiences. This includes evaluating architectural trade-offs, raising the quality and…
Added 8 days ago
Q
Verification Engineer, Senior
Qualcomm
Toronto, ON
- Full-time
Engineering Group, Engineering Group > ASICS Engineering
Added 8 days ago
J
Senior Orbit Dynamics & Mission Analysis Engineer
Jobgether
Canada
- Full-time
…orbital mechanics, and mission design. You will lead high-level engineering analyses, optimize spacecraft trajectories, and develop simulation models that support critical mission…
Added 8 days ago
WD
Software Engineer Intern, Pipeline Infrastructure
Walt Disney Animation Studios
Vancouver, BC
- $34 CAD / hour
- Full-time
Creating new user interfaces to detect and resolve data integrity issues
Added 8 days ago
T
Manager, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
Toast
Montreal, QC
- $103,000 to $150,000 USD / year
- Full-time
…10,000 people across Canada, hiring a Manager, Software Delivery Developer for its Gen AI and Software Delivery team in Montreal or Quebec City. The team helps major organizations modernize…
Added 8 days ago
T
Senior Manager - Senior Tech Lead – AI & Technology Transformation
Toast
Montreal, QC
- $103,000 to $190,000 USD / year
- Full-time
…production, using Copilot Studio, Power Platform, Azure OpenAI, Python, APIs, orchestration, prompt engineering and system…
Added 8 days ago
A
AI Architect, Manager
Avanade
Toronto, ON
- Full-time
…ONNX, Caffe, etc. preferred), Computer Vision and other Azure Data and AI…
Added 8 days ago
W
Principal Software Development Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
…responsibly. High trust, high expectations, and real impact. Engineering, but…
Added 8 days ago
GC
Machine Learning Research & Engineering Specialist
Gramian Consulting Group
Remote, Canada
- Contract
- Remote
We are seeking a highly skilled Machine Learning Research & Engineering Specialist to contribute to an advanced AI training project focused on model development, training and inference…
Added 8 days ago
RI
AI Engineer
Remarcable, Inc.
Remote, Canada
- Full-time
- Remote
As our AI Engineer, you will turn the data flowing through Remarcable every day (purchase orders, quotes, invoices, inventory and supplier catalogs) into AI features that save contractors…
Added 8 days ago
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Senior Data Reliability Developer
nesto
Canada
- Full-time
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…
Added 8 days ago
E
Developer (Production Engineering and AI Platform)
Elumai
Remote, Canada
- Full-time
- Remote
Structured data. Design and validate structured JSON flowing between AI models, backend services and the UI, much of it generated on demand.
Added 8 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Implement software validation engineering test plans, cases plus scripts.

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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