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Junior Database Developer Jobs in Ontario (NOW HIRING)

StackandCo

Python Developer

Galway, NY

... databases and APIs. \n \n \n \n \n \n As well as this, the successful Python Developer will ... junior\-senior applicants and for the right senior, there may be the opportunity to progress to ...

StackandCo

... databases and APIs. \n \n \n \n \n \n As well as this, the successful Python Developer will ... junior\-senior applicants and for the right senior, there may be the opportunity to progress to ...

IKO Industries, Inc

Senior Data Engineer

Mississauga, ON

CA$130K - CA$140K/yr

... database reliability and functionality. * Mentor junior team members, fostering a culture of ... Hands-on experience with modern DevOps and CI/CD frameworks, utilizing Git workflows (branching ...

Virtusa

Senior Python Developer

Mississauga, ON · On-site

... junior and mid-level engineers Collaborate with product, DevOps, QA, and architecture teams ... NoSQL databases (MongoDB, DynamoDB, Redis) Solid knowledge of asynchronous processing and ...

Virtusa

Senior Python Developer

Mississauga, ON · On-site

... junior and mid-level engineers Collaborate with product, DevOps, QA, and architecture teams ... NoSQL databases (MongoDB, DynamoDB, Redis) Solid knowledge of asynchronous processing and ...

Guidepoint

Senior Data/AI Engineer

Toronto, ON

Provide technical leadership to junior engineers through rigorous code reviews, mentorship, and ... databases (e.g., Pinecone, Elasticsearch), multi-agent AI systems with tool calls, and prompt ...

Scotiabank

Software Developer

Scarborough, ON · On-site

Collaborate with cross-functional teams including application support, database, and infrastructure teams * Mentor junior developers and promote best practices in development, testing, and deployment

Wood Plc

Junior Procurement Specialist

Oakville, ON

Maintain Oracle database and associated Supply Chain Management (SCM) processes * Assist with ... Experience working in an engineering consulting environment is preferred * Advanced computer skills ...

Intuit

Staff Software Developer, Full Stack

Toronto, ON · Hybrid

CA$164K - CA$222K/yr

Coach and mentor junior engineers on best practices of software engineering, leveraging AI to ... Experience with Relational Database Design and Implementation. * Interest in building CI/CD ...

Talent To Hire Inc.

Senior Data Engineer

Toronto, ON · On-site

CA$110K - CA$145K/yr

Mentor junior engineers and promote engineering best practices. What You'll Bring: * 8+ years of data engineering experience. * Strong skills in SQL, Python, Airflow, Snowflake, AWS Glue, S3, Lambda ...

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Junior Database Developer information

What is the difference between Junior Database Developer vs Database Administrator?

AspectJunior Database DeveloperDatabase Administrator
Required CredentialsTypically a bachelor's degree in computer science or related field; some certifications like Microsoft SQL Server or Oracle are commonSimilar educational background; certifications like Oracle DBA, Microsoft Certified: Azure Database Administrator are often preferred
Work EnvironmentMostly involved in coding, designing, and developing databases; works closely with developers and analystsFocuses on maintaining, backing up, and securing databases; interacts with IT teams and end-users
Employer & Industry UsageUsed in software development companies, tech firms, and organizations with database needsCommon in large enterprises, financial institutions, and healthcare organizations requiring database management

While both roles require knowledge of database systems and similar certifications, Junior Database Developers primarily focus on creating and optimizing databases, whereas Database Administrators handle ongoing maintenance, security, and performance management.

What are Junior Database Developers?

Junior Database Developers are entry-level professionals who assist in designing, developing, and maintaining databases for organizations. They work under the supervision of senior database developers or administrators, helping with tasks such as writing SQL queries, troubleshooting data issues, and supporting database updates. Their role is crucial for ensuring data integrity, optimizing performance, and supporting the data needs of various departments. Junior Database Developers often collaborate with software developers and IT teams to implement database solutions. This position is typically suited for recent graduates or individuals with some programming and database experience.

What are the typical challenges a Junior Database Developer might face when starting out in the role?

As a Junior Database Developer, you may find it challenging to work with unfamiliar database management systems, optimize queries for performance, and understand complex data models. Adapting to a team environment, where you collaborate closely with senior developers, data analysts, and software engineers, is also common. Additionally, learning best practices for data security and consistency can be demanding, but overcoming these challenges provides valuable experience and growth opportunities.

What are the key skills and qualifications needed to thrive as a Junior Database Developer, and why are they important?

To thrive as a Junior Database Developer, you need a solid understanding of database concepts, SQL programming, and a relevant degree in computer science or a related field. Familiarity with database management systems like MySQL, SQL Server, or Oracle, as well as version control tools such as Git, is typically required. Strong analytical thinking, attention to detail, and effective communication skills help you troubleshoot issues and collaborate with team members. These skills and qualifications are crucial for building reliable databases, ensuring data integrity, and supporting organizational data needs.
What are the most commonly searched types of Database Developer jobs in Ontario? The most popular types of Database Developer jobs in Ontario are:
What cities in Ontario are hiring for Junior Database Developer jobs? Cities in Ontario with the most Junior Database Developer job openings:
Junior Database Developer jobs near you
Infographic showing various Junior Database Developer job openings in Ontario as of July 2026, with employment types broken down into 87% Full Time, 8% Part Time, 1% Temporary, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution.
Junior Software Developer (Python)

Junior Software Developer (Python)

Squarepoint Capital

London, ON

Other

Posted 11 days ago

Job description

Please only apply to the one job you feel best fits your skillset and experience. If our team feels you are better suited for another role, we will reach out about the alternate opportunity.

Position Overview:

At Squarepoint we use Python to build a great deal of the software needed to solve crucial problems every day. You will work on a wide range of systems that fuel our trading success including, but not limited to, core tooling and frameworks, data pipelines used to feed predictive models in research and trading, and software products used worldwide by traders and researchers.

You will collaborate with experienced software developers and quant researchers to enable the continued growth of our investment business, solving problems at scale, and gaining a unique chance to learn from some of the most talented individuals in the industry.

Required Qualifications:  

  • Degree in Computer Science, Computer Engineering, Applied Math, Physics, Quantitative Finance, or Financial Engineering/MFE
  • Up to 4 years experience in a relevant role such as software or quant development, or similar
  • Experience with Python, git, and Linux
  • Excellent written and verbal communication skills
  • Eagerness to continuously learn new technologies and develop with us
  • Ability to work well in a fast-paced environment

Nice to Have:

  • Experience with any of C++, Rust, KDB+/q, JavaScript/TypeScript/React
  • Experience with database management systems and related technologies such as SQL
  • Experience working in an investment or financial business is useful

Apply