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Junior Systems Developer Jobs in Ontario (NOW HIRING)

High Tech Genesis

Collaborating with cross-functional teams, you will mentor junior developers while ensuring system integrity and performance management. Key Responsibilities: • Implement system startup and boot ...

GE-Vernova-

... systems architecture • Mentor junior developers and influence design approaches Requirements: • Bachelor's Degree in Computer or Electrical Engineering • 10 years of software development ...

Arcadion

Junior AI Developer

Ottawa, ON · On-site

Our AI division is at the forefront of building intelligent systems, enterprise AI agents, and next ... We are looking for a Junior AI Developer to join our in-house team at our Ottawa headquarters. This ...

New

Thales

Position Summary Thales Canada is seeking a Junior Mechanical Engineer to support the Engineering ... Conduct technical investigations into problems associated with marine equipment and/or system ...

Magna

Junior Full Stack Developer Coop

Milton, ON

The [Junior Full Stack Developer - coop] role is to help plan, design, develop, test, launch, and ... Understands operating systems and networking * Strong user orientation and customer focus JOB ...

Kepler Communications

Senior Systems Engineer

Toronto, ON

CA$125K - CA$175K/yr

Provide technical oversight and mentorship to junior and intermediate engineers * Serve as a strong technical interface for customers and external stakeholders * Drive system roadmaps, feasibility ...

BMT

CA$105K - CA$150K/yr

Senior Systems Engineer/Specialist Department: Technical Capability Employment Type: Full Time ... Provides mentoring, training and guidance to more junior engineers and technologists. * Conducts ...

Q-Block Computing

Junior Quantum Engineer

Ottawa, ON · On-site

$85K - $110K/yr

Q-Block Computing builds quantum systems that operate in the real world. The company develops ... The Junior Quantum Engineer will join Q-Block's R&D engineering team, working on the design ...

Q-Block Computing

Junior Quantum Engineer

Ottawa, ON · On-site

CA$85K - CA$110K/yr

Q-Block Computing builds quantum systems that operate in the real world. The company develops ... The Junior Quantum Engineer will join Q-Block's R&D engineering team, working on the design ...

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Showing results 1-20

All JobsSystems Developer JobsJunior Systems Developer JobsJunior Systems Developer Jobs in Ontario

Junior Systems Developer information

See Ontario salary details

$30K

$88.3K

$145.5K

How much do junior systems developer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for junior systems developer in Ontario is $88,297.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,000.00 and $113,500.00 per year, depending on experience, location, and employer.

What is the difference between Junior Systems Developer vs Junior Software Engineer?

AspectJunior Systems DeveloperJunior Software Engineer
Required CredentialsTypically a degree in Computer Science or related field; some certifications like CompTIA or Cisco are commonSimilar credentials; often holds a degree in Computer Science or Software Engineering; certifications like Microsoft or AWS may be relevant
Work EnvironmentWorks mainly on system infrastructure, networks, and hardware integration within organizationsFocuses on developing, testing, and maintaining software applications across various platforms
Employer & Industry UsageUsed in IT departments, tech companies, and organizations with complex infrastructure needsCommon in software firms, tech startups, and companies developing software products

While both roles require technical skills and similar educational backgrounds, Junior Systems Developers primarily focus on system infrastructure and hardware integration, whereas Junior Software Engineers concentrate on software development and programming. The choice depends on whether you prefer working with systems and networks or software applications.

What are the key skills and qualifications needed to thrive as a junior systems developer?

To thrive as a Junior Systems Developer, you need a solid understanding of programming languages (such as Java, Python, or C#), basic software development principles, and often a relevant degree or diploma in computer science or a related field. Familiarity with development environments, version control systems like Git, and possibly certifications such as CompTIA or Microsoft Fundamentals are commonly expected. Strong problem-solving abilities, attention to detail, and effective communication help you collaborate with teams and learn quickly on the job. These skills and qualities are crucial for building reliable systems, adapting to new technologies, and contributing effectively to software projects.

What is a junior systems developer?

A Junior Systems Developer is an entry-level IT professional who assists in designing, developing, testing, and maintaining software systems and applications. They typically work under the supervision of senior developers, helping to write code, debug programs, and support the development process. Junior Systems Developers often collaborate with other team members to ensure that software solutions meet user requirements and function efficiently. This role is ideal for individuals starting their careers in software development and seeking to build foundational technical and problem-solving skills.

What are some common challenges faced by junior systems developers during their first year on the job?

Junior Systems Developers often encounter challenges such as understanding complex legacy systems, adapting to new development tools and workflows, and balancing multiple project priorities. It's common to feel overwhelmed at first, but most teams provide mentorship and code reviews to support your learning curve. Collaboration with senior developers and open communication are key to overcoming obstacles and growing your technical skills.
What are popular job titles related to Junior Systems Developer jobs in Ontario? For Junior Systems Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Junior Systems Developer jobs in Ontario look for? The top searched job categories for Junior Systems Developer jobs in Ontario are:
What cities in Ontario are hiring for Junior Systems Developer jobs? Cities in Ontario with the most Junior Systems Developer job openings:
Junior Systems Developer jobs near you
Infographic showing various Junior Systems Developer job openings in Ontario as of August 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 84% In-person, 11% Hybrid, and 5% Remote job distribution, with an average salary of $88,297 per year, or $42.5 per hour.

Junior Systems Optimization Analyst

Warehousing & Distribution

Scarborough, ON • On-site

Full-time

Re-posted 15 days ago

Job description

Role Summary
We are looking for a Junior Systems Optimization Analyst who is early in their career but ready to take on high ownership and real impact.
This role sits at the intersection of systems, operations, and data, and is ideal for someone who enjoys solving real business problems—not just writing code in isolation. You will work closely with cross-functional teams to understand how the business operates end-to-end, identify gaps, and develop solutions that improve efficiency, accuracy, and scalability.
This is not a siloed development role. Success in this position requires strong systems thinking, curiosity about operations, and the ability to translate business needs into practical, scalable solutions.
Key Responsibilities
  • Manage and support data entry and reporting workflows across operational systems
  • Analyze and evaluate existing reporting systems, data pipelines, and workflows
  • Research, design, configure, and maintain automated reporting and operational processes
  • Monitor data integrity and system outputs, ensuring accuracy and reliability
  • Troubleshoot system issues and implement sustainable fixes—not just quick patches
  • Identify gaps in workflows and recommend process and system enhancements
  • Assist in building structured performance reporting frameworks tied to business metrics
  • Develop and maintain clear SOPs and documentation for systems and processes
  • Support ongoing maintenance, updates, and improvements of internal tools
  • Collaborate cross-functionally to understand needs and deliver solutions wholistically
  • Maintain strict confidentiality and integrity of data and systems

Technical Requirements
Core Tools & Technologies:
  • MS Access VBA (RMA system support)
  • SQL (development, querying, and automation scripts)
  • Power BI (DAX, dashboards, reporting)
  • Power Automate (workflows integrating SharePoint and SQL)
  • Power Apps (operational tools such as pick/pack systems)

Programming & Development:
  • C# and/or Python (working knowledge)
  • Experience with rapid development tools (e.g., Replit or similar)

Emerging Technologies:
  • Practical understanding of AI tools, LLMs, and automation agents
  • Ability to identify opportunities to apply AI to improve workflows

Soft Skills & Mindset
  • Systems thinker: Able to see how processes connect across teams—not just individual tasks
  • Business-aware: Takes time to understand how the company operates before building solutions
  • Data-driven: Uses data to validate assumptions and guide decisions
  • Detail-oriented: Strong focus on accuracy, consistency, and data integrity
  • Ownership mindset: Takes responsibility for outcomes, not just assigned tasks
  • Problem solver: Focuses on root causes and scalable fixes rather than quick workarounds
  • User-focused: Builds solutions that work for the business—not just what is easiest to develop
  • Adaptable and action-oriented: Comfortable working in a fast-paced, evolving environment
  • Strong communicator: Able to document clearly and collaborate across technical and non-technical teams
     
Preferred Qualifications (Nice to Have)
  • Familiarity with SharePoint-based workflows and database integrations
  • Exposure to automation tools (Power Platform, Zapier, etc.) and AI implementations
  • Experience working in a lean or process-driven organization
  • Basic understanding of reporting frameworks and performance metrics

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