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Added 9 hours ago
J
Revenue Operations Lead
Jobgether
Canada
- Full-time
Preferred technical skills: SQL or scripting capabilities to build reporting and analytical solutions beyond native CRM functionality.
Added 9 hours ago
TC
IT Service Desk Analyst
The Citco Group Limited
Toronto, ON
- Full-time
Knowledge of SQL, HTML, reporting, workflow analysis or responsible use of approved generative AI tools is also an advantage.
Added 10 hours ago
RI
AI Engineer
Remarcable, Inc.
Remote, Canada
- Full-time
- Remote
Solid SQL and data skills; comfortable working with messy, real-world business data.
Added 10 hours ago
N
Senior Data Reliability Developer
nesto
Canada
- Full-time
…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…
Added 10 hours ago
E
Developer (Production Engineering and AI Platform)
Elumai
Remote, Canada
- Full-time
- Remote
Google Cloud in production: Cloud Run, Cloud Build / CI-CD, Cloud SQL (PostgreSQL), Compute Engine, logging and monitoring, Secret Manager.
Added 11 hours ago
C
Systems Developer
Co-operators
Regina, SK
- Full-time
The Systems Developer provides IT systems development and support under general supervision. The incumbent focuses on the analysis, design, development, testing, implementation,…
Added 11 hours ago
A
Intern, Quantitative Analytics & Reporting (12-months)
AIMCo
Calgary, AB · AB · Edmonton
- Full-time
Strong technical skillset (SQL, Python, PowerBI, etc.) and passion in developing data-driven analytical solutions.
Added 11 hours ago
A
Business Analytics Specialist, Temporary
Aviso
Toronto, ON
- Temporary
Skilled with SQL, modern BI tools and large, diverse datasets
Added 11 hours ago
AI
Intermediate Data Support Analyst
AGF Investments
Toronto, ON
- Full-time
Strong knowledge and experience with relational databases. Experience in writing SQL queries to analyze data would be an asset.
Added 11 hours ago
C
Analyste principal(e) en soutien applicatif – Actions
CGI
Montreal, QC
- Full-time
SQL and NoSQL – Query writing, stored procedures, and query optimization.
Added 11 hours ago
MC
QA Testers
MatchBox Consulting Group
Vancouver, BC
- Contract
Basic knowledge of Database concepts (SQL queries for data validation).
Added 11 hours ago
BP
Software Developer
BNP Paribas
Montreal, QC
- Full-time
Added 11 hours ago
SH
Senior Manager, Analytics & Insights
SE Health
Markham, ON
- Full-time
Remain hands-on in data discovery, including working with SQL in complex or sparsely documented environments, as well as dashboard development, visualization and data storytelling.
Added 12 hours ago
GI
Java Software Engineer
G-FORCE IT SERVICES INC
ON · Ontario, Canada
- Full-time
We’re looking for a skilled Java Developer to design, build, and maintain scalable, high-performance applications. You’ll work with a collaborative team of engineers, QA, and product owners…
Added 12 hours ago
AP
Senior Data Engineer
Alpine Peak Management
Toronto, ON
- Contract
Advanced SQL skills, including complex transformations, data analysis, troubleshooting and query performance optimization.
Added 12 hours ago
AI
Forward Deployed Engineer (Python/Pyspark Developer)
Apptoza Inc.
Toronto, ON
- Full-time
Role: Forward Deployed Engineer (Python/Pyspark Developer)
Added 12 hours ago
AD
Manufacturing Applications Engineer
ArcelorMittal Dofasco
Hamilton, ON
- Full-time
A solid foundation in software development is needed to be effective in this role, although advanced development is not the primary focus (e.g., scripting, SQL, configuration, basic coding).
Added 12 hours ago
TG
Senior Manager, AI and Data
TMX Group
Toronto, ON
- $165,000 to $175,000 CAD / year
- Full-time
Advanced SQL and strong Python skills, with experience in performance tuning on large datasets.
Added 12 hours ago
II
Lead Data Scientist
iVedha Inc.
Oakville, ON
- Full-time
Strong knowledge of and experience with reporting packages (Business Objects etc), databases (SQL Server, Oracle etc), programming (XML, Javascript, or ETL frameworks)
Added 12 hours ago
M
Associé(e) principal(e) en automatisation de l’intelligence artificielle/Sr. Associate AI Automation Specialist
McKesson
Montreal, QC
- Full-time
…des flux de travail de plateforme. Vous utiliserez Python et SQL pour orchestrer les processus de données, automatiser l’infrastructure et les déploiements, ainsi que pour améliorer la…
Added 12 hours ago
AW
Business Analytics Specialist, Temporary
Aviso Wealth
Remote, Canada
- Temporary
- Remote
Skilled with SQL, modern BI tools and large, diverse datasets
Added 12 hours ago
AW
Business Analytics Specialist, Temporary
Aviso Wealth
Remote, Canada
- Temporary
- Remote
Skilled with SQL, modern BI tools and large, diverse datasets
Added 12 hours ago
MT
Billing Compliance Analyst
McCarthy Tétrault LLP
Toronto, ON
- Full-time
Building and maintaining dashboards and reports using Power BI, SQL, and Power Query to support team performance and decision-making.
Added 12 hours ago
TI
Software Engineer
Trimble Inc.
Kamloops, BC · Canada - Kamloops, BC
- Full-time
…development capabilities utilizing React, TypeScript, C#/.NET, and SQL Server database…
Added 12 hours ago
TR
Privacy Operations Engineer
Thomson Reuters
Toronto, ON · Canada, Toronto, Ontario
- Full-time
Strong proficiency in at least one programming/scripting language (e.g., Python, SQL) and demonstrated experience building and maintaining API integrations and automated workflows (e.g.,…

nesto

Senior Data Reliability Developer

Canada

Full-time

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Applications open in a new tab.

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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