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Junior Software Development Engineer Jobs in Ontario

Clockwork.io

CA$130K - CA$175K/yr

Summary We are looking for a Software Development Engineer in Test who thrives in fast-paced startup environments and is excited to be a co-owner and major contributor to our testing and CI/CD ...

CIBC

Software Development Engineer in Test

Toronto, ON · Hybrid

As a Consultant, Automation in Testing (SDET) role, you'll be working within the scrum Agile team for one of the program following the Agile sprint delivery in CIBC's Technology team, creating ...

Ericsson

Junior L1 Software Developer

Ottawa, ON · On-site

Within this context, our L1 Software Development team in RCE RAN Performance designs and implements ... We are looking for a curious, driven junior developer who is passionate about highperformance ...

Dialpad

Sr. SDET

Kitchener, ON

Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both a skilled developer who builds elegant, scalable test frameworks and a quality advocate who leads a ...

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Junior Software Development Engineer information

What does a junior software development engineer do?

A Junior Software Development Engineer is an entry-level professional who assists in designing, developing, testing, and maintaining software applications. They typically work under the guidance of senior engineers, contributing to coding tasks, debugging, and documentation. Their responsibilities may also include collaborating with other team members to solve technical problems and learn best practices in software engineering. This role is ideal for recent graduates or those with limited experience who are looking to build their skills and advance in the software development field.

What are the key skills and qualifications needed to thrive as a junior software development engineer?

To thrive as a Junior Software Development Engineer, a solid understanding of programming fundamentals, algorithms, and data structures is essential, often backed by a degree in computer science or a related field. Familiarity with languages like Java, Python, or JavaScript, as well as experience using version control systems such as Git, is typically required. Strong problem-solving abilities, eagerness to learn, and effective teamwork and communication skills help individuals excel in collaborative and dynamic environments. These skills and qualities are crucial for delivering quality code, adapting to new technologies, and contributing meaningfully to software development projects.

What are some common challenges faced by junior software development engineers during their first year on the job?

Junior Software Development Engineers often encounter challenges such as adapting to a new codebase, understanding team workflows, and learning best practices for writing clean, maintainable code. They may also find it challenging to accurately estimate task complexity and communicate progress with senior team members. However, most teams provide mentorship and code reviews to help juniors grow, and active collaboration is encouraged to facilitate learning and integration into the team.

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

AspectJunior Software Development EngineerSoftware Developer
Required CredentialsTypically a bachelor's degree in CS or related field; some certificationsSimilar educational background; certifications vary
Work EnvironmentEntry-level, supervised, team-based projectsCan be entry or mid-level, often more independent
Employer & Industry UsageCommon in tech companies, startups, and IT firmsWidespread across industries, including tech, finance, and healthcare
Comparison Search IntentYesYes

The main difference between a Junior Software Development Engineer and a Software Developer lies in experience level and responsibilities. Junior Software Development Engineers are typically entry-level, working under supervision on basic tasks, while Software Developers may have more experience and handle more complex projects independently. Both roles require similar educational backgrounds and are common in tech industries, but the Junior role emphasizes learning and growth.

What are the most commonly searched types of Software Development Engineer jobs in Ontario?

The most popular types of Software Development Engineer jobs in Ontario are:

Junior Software Development Engineer jobs near you

Software Development Engineer in Test

Clockwork.io

On-site

CA$130K - CA$175K/yr

Full-time

Re-posted 6 days ago

Job description

Summary

We are looking for a Software Development Engineer in Test who thrives in fast-paced startup environments and is excited to be a co-owner and major contributor to our testing and CI/CD infrastructure. You will play a critical role in ensuring the quality, performance, and reliability of every release before it reaches our customers.

Our software runs on production GPU and CPU clusters across Ethernet, RDMA/RoCE, and InfiniBand networks. Testing here means standing up real multi-node clusters, running real workloads against them, and measuring what happens. This is a hands-on engineering role, not a manual QA position. You will be deeply embedded in our engineering team, responsible for building robust automation, maintaining pipelines, and contributing directly to the product during quieter times. A meaningful part of this role is DevOps work, not just test authoring.

Responsibilities
  • Design, build, and maintain integration, regression, and end-to-end tests for distributed systems running on Kubernetes, Slurm, and bare-metal GPU/CPU clusters
  • Extend our in-house end-to-end test automation framework and share ownership of the CI/CD testing infrastructure and pipeline
  • Build and run performance and scale benchmarks, and catch regressions before they ship
  • Automate cluster lifecycle and environment management across cloud and bare-metal environments
  • Ensure all code releases meet high quality standards before shipping to customers
  • Collaborate closely with engineers to identify gaps in test coverage and build tools or frameworks to fill them
  • Investigate and diagnose build failures, flaky tests, and regressions
  • Contribute to engineering efforts beyond QA when appropriate (feature development, tooling, etc.)
Qualifications
  • 3+ years of experience in a Test Engineering, DevOps, or QA role with a strong technical background
  • Strong Python; comfortable reading and debugging Go
  • Demonstrated expertise in building automated test scripts and frameworks from scratch
  • Proven experience with CI/CD tools such as GitHub Actions, Jenkins, or GitLab CI, and testing frameworks such as pytest and Playwright
  • Experience with public cloud infrastructure (GCP, AWS, or Azure)
  • Familiarity with release management and deployment processes, including versioning, release candidates, and rollout verification
  • Working knowledge of Linux, containerization, and orchestration (Docker, Kubernetes, Helm)
  • Strong debugging, problem-solving, and communication skills
  • A startup mindset, self-motivated, adaptable, and eager to take ownership
Nice to have
  • Experience with AI/ML infrastructure: GPUs, RDMA/RoCE or InfiniBand, NCCL, DCGM, PyTorch training jobs
  • Workload managers and schedulers (Slurm, Kubeflow/PyTorchJob)
  • Build systems at scale (Bazel), infrastructure-as-code (Terraform)
  • Chaos or fault-injection testing of distributed systems
Why Join Us
  • Be part of a foundational team shaping the future of infrastructure software
  • Work onsite in a collaborative environment in Palo Alto
  • Opportunity to grow into broader engineering roles

Enjoy

  • Challenging projects.
  • A friendly and inclusive workplace culture.
  • Competitive compensation.
  • A great benefits package.
  • Catered lunch.

Compensation for this position will vary based on the skills and experience you bring, as well as internal equity considerations. For candidates hired at the posted level, the expected base salary range is $130,000 - $175,000. The offered compensation package may also include stock options or other equity awards, subject to Clockwork's equity program and applicable approvals.
In addition to cash compensation, this role is eligible to participate in the company's equity program, which may include stock options granted in accordance with the company's equity plan and subject to approval and applicable vesting schedules.

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