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Added 3 days ago
Strategic Sourcing - Strategic Sourcing Associate
Mohawk Medbuy Corporation (MMC)
Burlington, ON · ON · Kingston, ON · London, ON · Oakville, ON · Thunder Bay, ON · Toronto, ON · Chatham-Kent, ON
Added 3 days ago
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Cloud & AI Solution Engineer - Azure Platform
Microsoft
Toronto, ON
- Full-time
…architectures that support AI workloads and business-critical applications. Your goal as a Solution Engineer is to win the technical decision of customers to commit to use Microsoft…
Added 3 days ago
PG
Business Data Analyst
Pacer Group
Toronto, ON
- $45 to $50 CAD / hour
- Contract
AI Usage Policy: Pacer Group uses AI to assist in screening applications. Final hiring decisions are made by human recruiters based on qualifications and experience.
Added 3 days ago
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Senior Java Software Engineer
Artech
Mississauga, ON
- Contract
We are seeking a Senior Software Developer with deep Java technology expertise to work directly with our Fintech clients in the Spread Products space. This is a hybrid…
Added 3 days ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Mississauga, ON
- Contract
According to them a good developer should be able to perform QA as well
Added 3 days ago
MM
Strategic Sourcing Associate
Mohawk Medbuy Corporation
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Added 3 days ago
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Technical Support Analyst
Hays
Toronto, ON · North York, ON
- Contract
Provide technical support for desktop and mobile productivity tools, including Microsoft Office applications, operating systems, web browsers, and end-user connectivity.
Added 3 days ago
SC
Quality Coordinator – ALTO project / Cadence
SYSTRA Canada
Montreal, QC
- Full-time
…candidate matching. These tools do not make hiring decisions; all applications are reviewed by a human recruiter, and final decisions are made by our hiring team.For questions about our…
Added 3 days ago
PG
Fullstack Developer
Pacer Group
Mississauga, ON
- $120,000 to $130,000 CAD / year
- Full-time
AI Usage Policy: Pacer Group uses AI to assist in screening applications. Final hiring decisions are made by human recruiters based on qualifications and experience
Added 3 days ago
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Concepteur de produits principal/ Senior Product Designer
Acumatica
Montreal, QC
- Full-time
The Senior Product Designer owns the end-to-end user experience of Acumatica applications, shapes workflows, and aligns them with the product vision. As an active member of the discovery…
Added 3 days ago
VS
Data Science Developer
vTech Solution Canada
Toronto, ON
- Contract
The Senior Data Science Developer will design, develop, and implement enterprise AI solutions, including Generative AI applications, intelligent agents, and reusable AI components. The role…
Added 3 days ago
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Solution Engineer - Cloud & AI Applications
Microsoft
Toronto, ON
- Full-time
Are you insatiably curious, deeply passionate about the realm of AI & its applications, and ready to tackle complex challenges in a dynamic environment? If so, we invite you to join our…
Added 3 days ago
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Data Engineering Director - Vancouver
Slalom
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Added 3 days ago
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Intermediate Application Analyst (.Net/C# and Visual Studio exp)
Bevertec
AB · Edmonton, AB
- Contract
Experience working as an Application Developer in a large enterprise IT environment utilizing .Net, Microsoft Visual Studio, and source control tools.
Added 3 days ago
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Senior Designer
Entro
Calgary, AB
- Full-time
Entro may use AI-assisted tools during parts of the recruitment process to help screen and assess applications**
Added 3 days ago
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Senior Full Stack Developer
Nutrien
Calgary, AB
- Full-time
This position plays an important role in the Enterprise Custom Applications team within Nutrien’s IT, Upstream and Midstream IT organization. The team is responsible for the design,…
Added 3 days ago
JI
Financial Analyst
J.D. Irving, Limited
Dartmouth, NS
- Full-time
We invite applications from all qualified candidates, including racially visible persons, women in underrepresented roles, persons with disabilities, Indigenous persons, and members of the…
Added 3 days ago
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Product Engineer, Mobile & UX
Pontosense
Kitchener, ON
- Full-time
This is more than a traditional mobile development role. You'll build iOS and Android applications, contribute to UX and UI decisions, and help turn complex technology into simple,…
Added 3 days ago
AM
Machine Learning Project Manager
Alberta Machine Intelligence Institute
Edmonton, AB
- Full-time
Added 3 days ago
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Staff Validation Engineer - Optical Interconnect
Marvell Technology
Ottawa, ON · CA-ON - Ottawa
- Full-time
Added 3 days ago
LC
Manager, Software Engineering & AI
Loblaw Companies Limited
Brampton, ON · Toronto, ON
- Full-time
…builds internal AI agents, intelligent workflows, and enterprise applications using Python, LangGraph, Langfuse, Model Context Protocol (MCP), Google Cloud, React, JavaScript. You will…
Added 3 days ago
AI Integration Engineer – Market Data & Entitlements
Capco
Toronto, ON
…integration capabilities that support AI-enabled financial services…
Added 3 days ago
AI Engineer – Market Surveillance
Capco
Toronto, ON
Experience as a Surveillance Technology Developer, Market Surveillance Analyst with engineering experience, or AI Engineer with capital markets surveillance exposure.
Added 3 days ago
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PEY - Junior Fullstack Engineer
BiblioCommons
ON · Canada - Ontario
- Full-time
Enhance and maintain our platform applications, front end and back end, that serve millions of users, using Claude Code as your primary development tool.
Added 3 days ago
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PEY - Junior Fullstack Engineer
BiblioCommons
ON · Canada - Ontario
- Full-time
Enhance and maintain our platform applications, front end and back end, that serve millions of users, using Claude Code as your primary development tool.

BiblioCommons

PEY - Junior Fullstack Engineer

ON, Canada
Canada - Ontario, Canada

$50,000 - $65,000 · Full-time

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Job details

Pay: $50,000 - $65,000
Job type: Full-time
Posting language: English
Posted: Nov 5, 2026

Original job description

Job Summary:

Job Description:

Are you interested in being a part of a company that has a positive social impact? Do you want to join a growing team with a modern engineering culture?

At BiblioCommons, we build SaaS solutions for public libraries that directly impact the lives of millions and foster learning, literacy and culture within the digital world. We are constantly improving our products through user research, client interaction, and the input of our creative staff. Join a team of passionate professionals making public libraries accessible, delightful, and engaging.

A lot of companies tout 'social impact', here at BiblioCommons we serve over 8 million diverse users each month by partnering with close to 200 public libraries in Canada, the US and New Zealand. Libraries are more than just book stacks; they are public spaces that foster learning, connection, and community and BiblioCommons is bringing that community online with clever software that powers the world's largest libraries.

Engineering @ BiblioCommons

BiblioCommons offers an opportunity to work in an environment that combines the challenges and complexity of a large-scale, data-intensive application with the creativity and fun of a sophisticated consumer web offering, central to the daily web interactions of millions of users.

We’re a highly collaborative team that applies innovative solutions to challenging problems. We believe strongly in automation and invest heavily in it. We’re also committed to doing things right and always looking for ways to do them better. Today, that means building an AI-first software development lifecycle, where engineers use agentic coding tools like Claude Code to plan, build, test, and review changes across our platform.

We are hiring two Junior Full-Stack Engineers for 16-month PEY internships to maintain and build elegant, high-performance web experiences that help millions of users discover more physical and digital content. You will work across the full stack, primarily through Claude Code: directing an AI agent to explore our codebase, write and refactor code, generate tests, and investigate issues, while you own the thinking, the judgment, and the quality of everything that ships.

By AI-native, we mean someone for whom working with AI agents is already the natural way to build software, and who understands the code well enough to own it. We care less about how fast you can prompt and more about how well you can direct, verify, and improve what an agent produces.

You will enjoy and be successful in this role if you are:

Great at debugging and not afraid to step out of your comfort zone.
Accountable and take ownership of your work, including every line of code an AI agent writes on your behalf.
Supportive and enjoy working as part of a team.
Passionate about self-improvement, growth, and tackling new challenges.
Reliable and consistent in the effort you bring.
Never content with the status quo. You are always looking to automate, improve processes, and follow best practices.
AI-native: AI agents are already your default way to learn, build, and solve problems, not an occasional experiment.
Healthily skeptical: you verify AI output instead of trusting it, and you can tell when an agent is confidently wrong.

How you will make an impact:

Enhance and maintain our platform applications, front end and back end, that serve millions of users, using Claude Code as your primary development tool.
Turn tickets into clear specs and plans before implementation, and use them to guide the agent through well-scoped, reviewable changes.
Debug and perform root cause analysis on integration issues, using AI to trace code paths, read logs, and test hypotheses quickly.
Review, test, and refine AI-generated code so that what you ship is clean, robust, performant, and secure.
Maintain quality as a priority by writing meaningful tests and validating them yourself.
Improve developer productivity by refactoring key areas of the Core UI codebase.
Contribute to our shared AI tooling, such as Claude Code custom commands, skills, and project context files, so the whole team gets faster.
Work across multiple frameworks and programming languages, using AI to ramp up quickly on unfamiliar parts of a large, mature codebase.
Communicate effectively to flag challenges or blockers to deliver on time.

What will you bring to the team:

Hands-on experience building software with AI coding agents (Claude Code, Cursor, Codex, or similar) through coursework, personal projects, hackathons, or previous internships.
Ability to break a problem into clear, well-scoped instructions and give an agent the context it needs to succeed.
Solid fundamentals in data structures and algorithms. You need to understand the code to judge it.
Knowledge of JavaScript, HTML5, and CSS3.
Some knowledge of RESTful APIs and how web applications fit together, from browser to database.
Excellent problem-solving and debugging skills.
Excellent communication skills and collaboration across teams.
Passion and motivation to learn new technologies.
Interest in building highly responsive consumer web application interfaces at scale.

Bonus Points for:

React, Ruby, and Rails knowledge.
Previous programming experience in any object-oriented language.
Experience customizing AI coding workflows, such as custom commands, skills, subagents, hooks, or MCP server integrations.
A portfolio, GitHub repo, or short write-up showing something you built with an AI agent and what you learned about working with one.
Knowledge of cloud-native applications.
Basic computer networking knowledge (connectivity issues, LANs, firewalls, etc.).

Salary Range:

$50,000 - $65,000

Worker Type:

Student (Fixed Term) (Trainee)

Number of Openings Available:

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More about this job

Responsibilities

You will maintain and build high-performance web experiences for a large-scale platform using AI-native development tools. Your role involves directing AI agents to refactor code, investigate issues, and implement well-scoped features while ensuring high quality and performance.

Requirements

Candidates should have hands-on experience with AI coding agents and solid fundamentals in data structures and algorithms. Proficiency in JavaScript, HTML5, and CSS3 is required, along with strong problem-solving and communication skills.

Skills

Fullstack Development
AI Coding Agents
Claude Code
JavaScript
HTML5
CSS3
RESTful APIs
Debugging
Data Structures
Algorithms
React
Ruby
Rails
Cloud-native Applications
Computer Networking

Visa sponsorship

Not detected in the job text

Keywords

SaaS
Fullstack Engineer
AI-native
Claude Code
JavaScript
HTML5
CSS3
RESTful APIs
React
Ruby
Ruby on Rails
Data Structures
Algorithms
Debugging
Cloud-native
Networking
Automation
Agentic Coding
Web Development
Consumer Web
Performance Optimization
Root Cause Analysis
Integration Testing
Code Refactoring
Object-oriented Programming
MCP Server
Core UI
Public Libraries
Social Impact

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