Jobs in Ontario

Jobs across Ontario, Canada. Choose a city or town to search nearby.

106,626 listings · 11,475 employers Counted Oct 3, 2026. How we count

About these jobs

Employers hiring include Loblaw Companies Limited (2,327 listings), Walmart Canada (2,006 listings), Walmart (1,489 listings).

Common roles: Retail sales associate, Project manager, Sales representative.

14,564 of these listings include employer-provided pay. Open a job to see its currency and pay period.

Advertised starting pay
Pay period	Median starting pay	Listings
CAD / year	80,000.00	7,447
CAD / hour	22.00	5,393
USD / year	100,000.00	581
USD / hour	19.25	351
CAD / month	6,025.09	24
CAD / week	500.00	17
GBP / hour	35.00	16

Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.

Workplace classifications: 0% remote, 19% hybrid, 80% on-site, 0% not specified. Hybrid and on-site classifications may be inferred from descriptions. Check the original ad.

Based on the dated count above. Listings can change. How we count

Jobs in Ontario

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Added 7 hours ago
H(
Regional Manager
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON
- $86,000 to $131,000 CAD / year
- Full-time
Added 7 hours ago
MF
Group Benefits Sales Representative
Merit for Training
Mississauga, ON
- Full-time
Added 7 hours ago
WC
(CAN) Produce Stocker
Walmart Canada
Pickering, ON
- Full-time
Added 7 hours ago
(CAN) Deli Associate (Part Time)
Walmart Canada
London, ON
Added 7 hours ago
WC
(CAN) Stockperson/Cartpusher
Walmart Canada
Niagara Falls, ON
- Full-time
Added 7 hours ago
TT
Junior Manufacturing Engineering Specialist
Trojan Technologies
London, ON
- Full-time
Added 7 hours ago
WC
(CAN) Deli Bakery Team Associate**5AM Required Availability-Full-Time**
Walmart Canada
Vaughan, ON
- Full-time
Added 7 hours ago
WC
(CAN) Overnight Associate
Walmart Canada
Toronto, ON
- Full-time
Added 7 hours ago
WC
(CAN) OMNI Customer Fulfillment Associate
Walmart Canada
Toronto, ON
- Full-time
Added 7 hours ago
MC
BIM / CAD Coordinator – Tunnelling & Infrastructure
Maynard Civil Engineering Recruitment
Toronto, ON
- Temporary
Added 7 hours ago
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Engineering technician
GE Vernova
Markham, ON
- Full-time
Added 7 hours ago
WC
(CAN) Bakery Associate - PT TEMP
Walmart Canada
London, ON
- Contract
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UI
Insurance Broker
Unison Insurance Group Inc.
Brampton, ON
- Full-time
Added 7 hours ago
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Stocking 1 Team Associate
Walmart Canada
Oakville, ON
- Full-time
Added 7 hours ago
耐
Jr. Applications Engineer
耐克森中国
Markham, ON
- Full-time
Added 7 hours ago
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Fashion Associate
Walmart Canada
Oshawa, ON
- Full-time
Added 7 hours ago
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Jr. Product Design Engineer
耐克森中国
Markham, ON
- Full-time
Added 7 hours ago
HE
Account Executive
Hype Events
Toronto, ON
- $41,000 to $45,000 CAD / year
- Full-time
Added 7 hours ago
WC
Bakery Associate
Walmart Canada
Oshawa, ON
- Full-time
Added 7 hours ago
HE
Entry-Level Sales & Marketing Representative
Hype Events
Toronto, ON
- $41,000 to $45,000 CAD / year
- Full-time
Added 7 hours ago
DB
welder
Dream Big Transportation
Brampton, ON
- Full-time
Added 7 hours ago
LL
REGISTERED PRACTICAL NURSE, CASUAL
Lifetimes Limited Partn
Peterborough, ON
- $28.36 CAD / hour
Added 7 hours ago
LL
GUEST ATTENDANT, TEMPORARY PART-TIME
Lifetimes Limited Partn
Peterborough, ON
- $18.1 CAD / hour
- Part-time
Added 7 hours ago
LL
GUEST ATTENDANT, PART-TIME
Lifetimes Limited Partn
Peterborough, ON
- $18.1 CAD / hour
- Part-time
Added 7 hours ago
LL
GUEST ATTENDANT, PART-TIME
Lifetimes Limited Partn
Peterborough, ON
- $18.1 CAD / hour
- Part-time

Ardent SoftSol Inc.

Oracle Database Developer

Toronto, ON, Canada

Contract

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Applications open in a new tab.

Job details

Job type: Contract
Apply by: Nov 30, 2026
Experience: 8+ years of experience in database development, with a strong focus on Oracle, Cassandra, and Spark.
Posting language: English
Posted: Oct 1, 2026

Original job description

Job Title: Database Developer

Location: Toronto, Ontario (Onsite)

Mode: Contract

Role Overview

The Senior Oracle, Cassandra, and Spark Database Developer is a highly skilled and experienced professional responsible for designing, developing, implementing, and maintaining database solutions across multiple platforms, including Oracle, Cassandra, and Spark. This role requires a deep understanding of relational and NoSQL database technologies, data warehousing principles, and big data processing frameworks. The Senior Developer will collaborate with data architects, data scientists, and application developers to build robust, scalable, and high-performance data solutions that meet the organization's business needs.

Key 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 maintain database solutions across Oracle, Cassandra, and Spark, including data models, database objects, ETL processes, and data warehousing solutions. Optimize performance, protect sensitive data, develop Spark applications for analytics, and collaborate with stakeholders while maintaining technical documentation.

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 strong expertise in Oracle SQL and PL/SQL, Cassandra data modeling and CQL, Spark, ETL, data warehousing, and data modeling; Oracle certification and cloud database experience are advantageous.

Skills

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

Visa sponsorship

Not detected in the job text

Keywords

Oracle
Cassandra
Apache Spark
SQL
PL/SQL
CQL
Python
Apache NiFi
Oracle Data Integrator
ETL
Data Warehousing
Data Modeling
Database Development
Database Architecture
Performance Tuning
Spark SQL
Spark Streaming
Spark MLlib
NoSQL
Relational Databases
Data Analytics
Database Security
Encryption
Access Control
Auditing
Oracle Certified Professional
AWS RDS
Azure SQL Database
Google Cloud Spanner
Cluster Administration

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