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Added 2 mins 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 2 mins ago
P
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 2 mins ago
AM
Machine Learning Project Manager
Alberta Machine Intelligence Institute
Edmonton, AB
- Full-time
Added 2 mins ago
MT
Staff Validation Engineer - Optical Interconnect
Marvell Technology
Ottawa, ON · CA-ON - Ottawa
- Full-time
Added 18 mins 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 18 mins ago
AI Integration Engineer – Market Data & Entitlements
Capco
Toronto, ON
…integration capabilities that support AI-enabled financial services…
Added 18 mins 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 18 mins 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 18 mins 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 18 mins ago
MI
People Experience Advisor
Mondelēz International
Hamilton, ON · Plant - Hamilton, Canada
- Full-time
Mondelez welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates with disabilities taking part in all aspects of the…
Added 18 mins ago
AI Engineer – Corporate Actions & Asset Servicing
Capco
Toronto, ON
Experience as a Corporate Actions Developer, Asset Servicing Technology Analyst or AI Engineer with corporate-actions experience.
Added 18 mins ago
TI
Cloud Financial Operations Analyst
Tecsys Inc.
Remote, Canada
- Full-time
- Remote
…specific screening questions to prioritize the most relevant applications for human…
Added 18 mins ago
Research Solutions & Technical Enablement Lead
University of Toronto
Toronto, ON
Eight years or more experience with advanced computing applications and designing highly complex scientific software
Added 18 mins ago
Sales Representative, Local Media
Bell
St. John's, NL
Please apply directly online to be considered for this role. Applications through email will not be accepted.
Added 18 mins ago
BC
Ultrasound Technologist
Brant Community Healthcare System
Brantford, ON
- Full-time
…screen, assess, or rank candidates during the hiring process; all applications are reviewed by our recruitment…
Added 18 mins ago
BC
Communication Assistant
Brant Community Healthcare System
Brantford, ON
- Full-time
Added 18 mins ago
BC
Registered Practical Nurse - Cardiology/Telemetry
Brant Community Healthcare System
Brantford, ON
- Full-time
…screen, assess, or rank candidates during the hiring process; all applications are reviewed by our recruitment…
Added 18 mins ago
BC
Quality and Patient Safety Consultant
Brant Community Healthcare System
Brantford, ON
- Full-time
Added 18 mins ago
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Frontend Developer
Hays
Toronto, ON
- Contract
Client is seeking a talented Front-End Engineer to join its digital technology team and help build customer-facing applications that serve millions of Canadians.
Added 18 mins ago
BC
Ultrasound Technologist
Brant Community Healthcare System
Brantford, ON
- Full-time
…screen, assess, or rank candidates during the hiring process; all applications are reviewed by our recruitment…
Added 18 mins ago
BC
Registered Practical Nurse - Critical Care
Brant Community Healthcare System
Brantford, ON
- Full-time
Added 18 mins ago
BC
Registered Practical Nurse - Critical Care
Brant Community Healthcare System
Brantford, ON
- Full-time
Added 18 mins ago
BC
Registered Practical Nurse - Cardiology/Telemetry
Brant Community Healthcare System
Brantford, ON
- Full-time
…screen, assess, or rank candidates during the hiring process; all applications are reviewed by our recruitment…
Added 18 mins ago
BC
Pharmacy Technician
Brant Community Healthcare System
Brantford, ON
- Full-time
Keyboarding skills utilizing PC applications for reports and special assignments
Added 18 mins ago
TC
Automation QA
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
The ideal candidate should possess strong expertise in API testing, AWS cloud environments, and end-to-end testing of both front-end and back-end applications.

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

Fullstack Engineer
PEY Internship
SaaS
AI-native
Claude Code
JavaScript
HTML5
CSS3
RESTful APIs
React
Ruby
Ruby on Rails
Data Structures
Algorithms
Debugging
Cloud-native
Networking
Automation
Web Development
Consumer Web Application
Root Cause Analysis
Integration Testing
Code Refactoring
Agentic Coding Tools

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