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Added 5 days ago
A
Co-Op, Development Operations AI & Automation Enablement Intern
AstraZeneca
Mississauga, ON · Canada - Mississauga
- Full-time
Experience with Python, JavaScript, C#, SQL, or similar programming languages.
Added 5 days ago
SI
Director of Analytics Engineering
Scribd, Inc.
Toronto, ON · Vancouver, BC
- Full-time
Your strong strategic judgment is paired with enough proximity to the work to guide technical decisions credibly. You will connect analytics engineering investments to company priorities,…
Added 5 days ago
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Principal Azure Databricks Architect
Hays
Toronto, ON
- Contract
Develop scalable data pipelines using Azure Data Factory, Databricks, Python, PySpark, and SQL.
Added 5 days ago
CS
Software Engineer, AI & Platforms
Cameron Stephens
Toronto, ON
- Full-time
Our Mission is to advance our client-first philosophy by managing investor capital with the highest levels of professionalism and integrity. We are dedicated to capital preservation while…
Added 5 days ago
BO
Financial Sector Specialist Analyst
Bank of Canada
Ottawa, ON
- Full-time
advanced quantitative and programming proficiency in one or more statistical or analytical languages (e.g., Python, VBA, and Matlab), and/or ability to leverage tools for data extraction…
Added 5 days ago
A
Engineering Team Lead
Analyticsmart
Toronto, ON
- $160,000 to $180,000 CAD / year
Lead and manage a team of React.js (front-end), Node.js, Python (back-end), and full-stack developers, ensuring alignment with project goals and technical standards.
Added 5 days ago
Manager, Unsecured Credit Risk
Scotiabank
Toronto, ON
This position combines strong technical execution with business acumen and effective communication to translate portfolio performance into actionable insights for senior stakeholders.
Added 5 days ago
T
Sr Consultant, Analytics Consulting
TransUnion
Burlington, ON
- Full-time
Advanced analytical and programming capabilities using R, SAS, SQL, Python, and big data technologies such as Hive, Spark, Hadoop, or cloud-based platforms.
Added 5 days ago
T
SQL Developer / Data Engineer
TD
Toronto, ON
- Full-time
As part of the Reporting Platform team, you will be a key developer supporting a business-critical reporting ecosystem used across TBSM. The platform includes a large-scale SQL data…
Added 5 days ago
T
Senior Technology Resilience and Availability Management Analyst
TD
Toronto, ON
- Full-time
Experience with automation and infrastructure-as-code tools such as Python, or PowerShell.
Added 5 days ago
T
Solutions Design IT Specialist
TD
Toronto, ON
- Full-time
Databricks (Lakehouse Architecture); Apache Spark; PySpark; Python; SQL (Advanced)
Added 5 days ago
D
Data Scientist, Validation of Financial and AI Models
Desjardins
Montreal, QC · Complexe Desjardins Montréal
- Full-time
Programming knowledge using Python, SQL, SAS, R, C++, MATLAB or equivalent technologies
Added 5 days ago
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Business System Analyst
SPECTRAFORCE
Toronto, ON
- $75 to $80 CAD / hour
- Contract
Experience with programming or scripting languages (e.g., Python, SQL, PowerShell).
Added 5 days ago
A
Engineering Team Lead
Analyticsmart
Toronto, ON
- Full-time
· Lead and manage a team of React.js (front-end), Node.js, Python (back-end), and full-stack developers, ensuring alignment with project goals and technical standards.
Added 5 days ago
FM
Full Stack Developer - FNV Diagnostics Cloud
Ford Motor Company
Waterloo, ON
- Full-time
Minimum 4 years of experience working with relational databases (such as SQL server).
Added 5 days ago
RB
Associate Director, Global Risk Analytics
Royal Bank of Canada
Toronto, ON
- Full-time
This includes ensuring that the model's underlying methodologies are appropriate and that they are implemented with integrity, to facilitate the effective management of the bank's market…
Added 5 days ago
T
Database Developer
TechDoQuest
Toronto, ON
- Contract
Experience with cloud-based database services (e.g., AWS RDS, Azure SQL Database, Google Cloud Spanner) is a plus.
Added 5 days ago
CT
Senior Data Engineer
Confluence Technologies
Canada
- Full-time
You’ll collaborate with teams across the business, contribute to architectural decisions, and support the growth of other engineers through mentorship and knowledge sharing. This is a…
Added 5 days ago
QA
Data Scientist II - QuantumBlack, AI by McKinsey
QuantumBlack, AI by McKinsey
Toronto, ON
- Full-time
Programming experience (focus on machine learning): SQL and Python’s Data Science stack are a must; good knowledge of at least one big data framework (Pyspark, Hive, Hadoop) is a plus; R,…
Added 5 days ago
Senior Manager, Performance Analytics & Insights
Scotiabank
Toronto, ON
Experience in programming tools such as SQL, SAS, Python, R
Added 5 days ago
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Senior Software Engineer
AspiringIT
Kitchener, ON
- Full-time
Strong experience with SQL and database technologies such as PostgreSQL and BigQuery.
Added 5 days ago
AL
Senior Actuarial Analyst
ARAG Legal Solutions Inc. (Canada)
Toronto, ON
- Full-time
Strong analytical and technical capabilities, including advanced proficiency in Excel and experience with tools such as R, Python, SQL or VBA.
Added 5 days ago
Data Scientist
Lantern
Edmonton, AB
Advanced proficiency in Python and SQL, with practical experience in PySpark and common data science frameworks such as scikit-learn, XGBoost, TensorFlow, or PyTorch.
Added 5 days ago
D
Business System Analyst
Dexian
Toronto, ON · Greater Toronto Area, Canada
- Contract
Experience with Python, SQL, PowerShell, or other programming/scripting languages.
Added 5 days ago
I
QA Automation Engineer - MTL/TOR
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Development or scripting experience with Python and experience with browser-based automation tools such as Selenium.

TechDoQuest

Database Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Oct 29, 2026
Experience: 8+ years of experience in database development, with a strong focus on Oracle, Cassandra, and Spark.
Posting language: English
Posted: Sep 29, 2026

Original job description

ey Responsibilities:

Design and develop database schemas, tables, stored procedures, functions, and other database objects for Oracle, Cassandra, and Spark environments.
Develop logical and physical data models that meet business requirements and ensure data integrity, consistency, and performance.
Design, develop, and implement ETL (Extract, Transform, Load) processes to move data between different database platforms and data sources, using tools like Apache Spark, Apache NiFi, or Oracle Data Integrator.
Optimize database performance by identifying and resolving performance bottlenecks, tuning queries, and implementing indexing strategies.
Write complex SQL queries and NoSQL queries (CQL) to retrieve, manipulate, and analyze data.
Develop Spark applications using Python to process large datasets and perform data analytics.
Design and implement data warehousing solutions using Oracle, Cassandra, and Spark, following best practices for data modeling, ETL, and reporting.
Implement data security measures to protect sensitive data, including encryption, access control, and auditing.
Collaborate with data architects, data scientists, application developers, and other stakeholders to understand business requirements and develop appropriate data solutions.
Create and maintain technical documentation for database designs, ETL processes, and other data-related solutions.
Stay up to date with the latest trends and technologies in database development, data warehousing, and big data processing.

Qualifications:

Bachelor's or master’s degree in computer science, Engineering, or a related field.
8+ years of experience in database development, with a strong focus on Oracle, Cassandra, and Spark.
Expert-level knowledge of Oracle database architecture and development, including SQL, PL/SQL, and performance tuning.
Strong understanding of Cassandra NoSQL database, including data modeling, CQL, and cluster administration.
Proficiency in Apache Spark, including Spark SQL, Spark Streaming, and Spark MLlib.
Experience with ETL tools and techniques.
Solid understanding of data warehousing principles and best practices.
Experience with data modeling tools and techniques.
Strong analytical and problem-solving skills.
Excellent communication and interpersonal skills.
Ability to work independently and as part of a team.
Oracle Certified Professional (OCP) or equivalent certification is a plus.
Experience with cloud-based database services (e.g., AWS RDS, Azure SQL Database, Google Cloud Spanner) is a plus.

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More about this job

Responsibilities

Design, develop, and optimize database schemas, data models, ETL processes, and data warehousing solutions across Oracle, Cassandra, and Spark environments. Build Spark applications and complex queries, protect sensitive data, document solutions, and collaborate with stakeholders to deliver data systems that meet business requirements.

Requirements

Requires a bachelor's or master's degree in computer science, engineering, or a related field, plus 8 or more years of database development experience focused on Oracle, Cassandra, and Spark. Candidates should have expert Oracle and PL/SQL skills, Cassandra and CQL knowledge, Spark proficiency, ETL and data warehousing experience, and strong analytical and communication skills; OCP certification and cloud database experience are advantages.

Skills

Oracle
Cassandra
Apache Spark
SQL
PL/SQL
CQL
Python
ETL
Data Modeling
Database Performance Tuning
Data Warehousing
Apache NiFi
Oracle Data Integrator
Spark Streaming
Spark MLlib
Data Security

Visa sponsorship

Not detected in the job text

Keywords

Oracle
Cassandra
Apache Spark
Spark SQL
Spark Streaming
Spark MLlib
SQL
PL/SQL
CQL
Python
Apache NiFi
Oracle Data Integrator
ETL
Database Development
Database Architecture
Database Schema Design
Data Modeling
Data Warehousing
Performance Tuning
Query Optimization
Indexing
Data Analytics
Data Integrity
Data Security
Encryption
Access Control
Auditing
Oracle Certified Professional
AWS RDS
Azure SQL Database

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