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Graduate Junior Software Developer Jobs in Toronto, ON

Private AI

Junior Developer

Toronto, ON

What is the opportunity As a Junior Software Developer at Limina, you'll join our engineering team building and maintaining the services that power our data privacy platform. This is a hands-on role ...

Private AI

Junior Developer

Toronto, ON · On-site

What is the opportunity As a Junior Software Developer at Limina, you'll join our engineering team building and maintaining the services that power our data privacy platform. This is a hands-on role ...

New

Scotiabank

Junior Software Engineer

Toronto, ON

Help document software features and perform reviews with team members * Participate in code reviews ... Familiarity with at least one programming language such as Java, JavaScript, Python * Basic ...

Magna

Junior Full Stack Developer Coop

Milton, ON

The [Junior Full Stack Developer - coop] role is to help plan, design, develop, test, launch, and ... This includes researching, designing, documenting, and modifying software programs and applications ...

Profound Medical Inc.

Software Developer

Mississauga, ON

CA$100K - CA$125K/yr

Collaborates across teams; contributes to project goals and supports junior developers. * Moderate ... Fluent in concurrent software design, integration of 3rd party tools/APIs, CI tools, modern IDEs ...

Profound Medical

Software Developer

Mississauga, ON · On-site

CA$100K - CA$125K/yr

Collaborates across teams; contributes to project goals and supports junior developers. * Moderate ... Fluent in concurrent software design, integration of 3rd party tools/APIs, CI tools, modern IDEs ...

Sync.com

Software Developer

Toronto, ON · On-site

CA$97K - CA$100K/yr

About the Role We are seeking a versatile and results-oriented Software Developer with expertise in ... Experience mentoring junior developers or interns. Perks: * Generous wellness program * Best-in-the ...

SS&C

Lead Software Developer

Mississauga, ON · Hybrid

CA$95K - CA$140K/yr

Lead Software Developer Location(s): Status: Get To Know Us: SS&C is leading the way. We continue ... Provide technical guidance, code reviews, and mentorship to mid-level and junior engineers. Help ...

JLL

Staff Software Developer

Toronto, ON

Mentor junior engineers on proper standards and techniques to improve their accuracy and efficiency ... software engineering experience * Hands-on experience with modern LLM APIs across multiple ...

Profound Medical

Senior Software Developer

Mississauga, ON · On-site

CA$120K - CA$160K/yr

Actively mentor junior and mid-level developers, facilitate workshops, and support team growth through knowledge sharing. * Other duties assigned from time to time. Education Degree in Software ...

YO AI Labs

Cocos2d-x Junior Game Developer

Toronto, ON · Remote

Cocos2d-x Junior Game Developer Job Type: Contractor Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models ...

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Graduate Junior Software Developer information

What is a graduate junior software developer?

Graduate Junior Software Developers are entry-level professionals who have recently completed their university degrees, typically in computer science or a related field. They are responsible for assisting in the design, development, testing, and maintenance of software applications under the guidance of more experienced developers. This role is designed to help new graduates build practical experience, learn industry best practices, and develop their coding and problem-solving skills in a professional environment.

What types of projects can a graduate junior software developer expect to work on during their first year?

As a Graduate Junior Software Developer, you’ll typically start by supporting senior developers on existing projects, such as fixing bugs, writing unit tests, and implementing small features. Over time, you may be assigned to work on new development projects, collaborate on code reviews, and assist in designing software solutions. These tasks help you become familiar with the company’s technology stack, coding standards, and development processes, while also providing opportunities to learn from more experienced team members.

What are the key skills and qualifications needed to thrive as a graduate junior software developer, and why are they important?

To thrive as a Graduate Junior Software Developer, you need a solid understanding of programming languages (such as Java, Python, or C#), problem-solving skills, and a relevant degree in computer science or a related field. Familiarity with version control systems like Git, basic knowledge of databases, and exposure to IDEs and development frameworks are typically required. Strong attention to detail, eagerness to learn, and effective collaboration set exceptional candidates apart. These skills and qualities are essential for building reliable software, adapting to evolving technologies, and contributing positively to a development team.

What are popular job titles related to Graduate Junior Software Developer jobs in Toronto, ON?

For Graduate Junior Software Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Graduate Junior Software Developer jobs in Toronto, ON look for?

The top searched job categories for Graduate Junior Software Developer jobs in Toronto, ON are:

Graduate Junior Software Developer jobs near you
Infographic showing various Graduate Junior Software Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

Junior Developer

Private AI

Toronto, ON

Full-time

Posted 4 days ago

Job description

About Limina

Limina is the contextual data intelligence platform built for the AI era. Evolved from Private AI, the world's most accurate PII and PHI de-identification engine, Limina has expanded into a full platform play that governs sensitive data across the entire enterprise AI lifecycle: from classification and redaction through to agentic workflows, RAG pipelines, and real-time data security.

Brands like RBC, Deepgram, and Boehringer Ingelheim already rely on our platform to build on, govern, and deploy AI against their most sensitive datasets. We've been recognized as a Gartner Cool Vendor in Privacy and a World Economic Forum Technology Pioneer, and we're backed by investors in Toronto, New York, Seattle, and San Francisco.


What is the opportunity

As a Junior Software Developer at Limina, you'll join our engineering team building and maintaining the services that power our data privacy platform. This is a hands-on role where you'll work across a modern backend architecture, contributing to the systems our customers and internal teams depend on every day.

You'll be supported by an experienced team of backend engineers, and this role is designed to help you grow quickly. You'll get real ownership over features and fixes from day one, with plenty of guidance along the way.


What does the day to day look like?

Our platform is built from independently deployable services, including a web API layer and a configurable background processing system, along with shared code for data models, caching, and job handling. As a junior developer, you'll get exposure to the full lifecycle of a production service, from API design to background job orchestration to database changes.

Responsibilities include:

  • Building and maintaining API endpoints and the business logic behind them
  • Contributing to asynchronous and background processing solutions that help our systems scale
  • Participating in database design and management, including schema changes over time
  • Writing and maintaining tests across unit, integration, and performance levels
  • Supporting analytics and observability efforts so we can understand how our systems behave in production
  • Participating in our CI/CD workflows, from code review through deployment
  • Contributing to user facing documentation and guides as you learn the system, so the next person ramps up faster than you did
  • Working with senior engineers on authorization design and other architectural decisions
  • Collaborating with other teams across the company to help design solutions based on customer requests and feedback


Required skills

  • Solid foundation in Python
  • Understanding of REST API concepts and basic backend architecture
  • Familiarity with relational databases (SQL, schema design)
  • Some exposure to Git and collaborative development workflows
  • Comfortable reading and learning from an existing codebase and documentation
  • Strong problem solving instincts and a willingness to ask questions


Nice to have

  • Exposure to a Python web framework (such as FastAPI, Flask, or Django)
  • Familiarity with Docker and containerized development environments
  • Some experience with background job or queue systems
  • Familiarity with caching or session stores such as Redis
  • Exposure to an ORM or database migration tools
  • Understanding of authentication, authorization, or access control systems
  • Experience with cloud platforms such as AWS
  • Familiarity with project management tools such as Jira


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