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Lead Frontend Engineer - MTS 1

eBay Inc. -
Toronto, ON

Apply Now

Job details

Full-time
$142,400–$190,100 a year

Qualifications

CI/CD
Authentication
Cloud architecture
CSS
React
Load balancing
Mobile applications
Firebase database
Google Cloud Platform
Android
Java
Administrative experience
SQL
OOP
JavaScript
REST
Ruby
APIs
Model training
GraphQL
AI
Android development
Leadership
TypeScript

Full job description

JOB DESCRIPTION

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

About the team:

Authenticity Guarantee is an important initiative in eBay where a select category of items are authenticated by professional authenticators to increase buyer confidence, satisfaction & trust. Authentication Technology team is responsible for building software solutions for orchestrating the process of authentication. This involves building software solutions for receiving, shipping, warehouse operations, storage, imaging, mobile applications on android platform, integration with custom hardware & RFID readers.

About the role:

We’re looking for a Lead Front-End Software Engineer to drive the architecture, quality, and delivery of modern web applications across multiple product teams. You will combine hands-on technical leadership with strategic influence — setting front-end standards, mentoring engineers, and ensuring scalable, high-performance user experiences. This is a high-impact role for someone who thrives in distributed teams, cares deeply about engineering excellence, and can balance speed with quality in an enterprise product environment.

Responsibilities

Technical Strategy & Architecture

Define and evolve front-end architecture across multiple product areas
Drive long-term technical vision for scalability, performance, and maintainability
Establish standards for design systems, state management, testing, and CI/CD
Lead architectural reviews and influence cross-org technical decisions

Execution & Delivery

Work closely with UX/UI designers to translate designs into high-quality
implementations
Lead complex, multi-quarter initiatives from design to production
Decompose ambiguous product requirements into scalable technical solutions
Ensure operational excellence (performance, accessibility, reliability, observability)
Improve engineering velocity through tooling, automation, and best practices

Engineering Excellence

Raise the quality bar through rigorous code reviews and technical mentorship
Champion modern web standards and best practices
Drive measurable improvements in page load performance, error rates, and UX quality
Establish metrics and SLAs for front-end performance and reliability

Leadership & Influence

Mentor junior engineers & help them grow in their careers
Influence product and design through strong technical judgment
Contribute to hiring and talent development
Lead through influence across distributed teams

Minimum Qualifications (Must Have)

8+ years of experience building large-scale web applications
2+ years of technical leadership experience across multiple teams
Expert proficiency in JavaScript and TypeScript
Deep experience with modern frameworks (React required; Vite, Tailwind CSS preferred)
Experience integrating with REST and/or GraphQL APIs
Experience building and deploying applications on Google Cloud Platform (GCP)
Familiarity with services such as Cloud Run, Cloud SQL, Cloud Storage, Firebase, or Cloud CDN, Networking, Load balancer
Understanding of cloud-native architecture and security best practices
Proven experience designing scalable front-end architectures
Strong knowledge of state management, component architecture, and design systems
Experience building and maintaining comprehensive test suites (unit, integration, E2E) using Jest, Vitest, Cypress preferred
Hands-on experience with CI/CD pipelines
Strong understanding of web performance optimization

Preferred Qualifications

Experience developing mobile applications on Android platform
Experience developing backend APIs using REST/GraphQL in Java/Ruby or similar object oriented languages
Google Cloud Developer or Architect certification
Familiarity with observability and monitoring tools
Experience with micro-frontend architectures
Experience contributing to open-source projects
Experience building AI/ML applications, working with LLMs and integrating ML systems
Interest or experience training or finetuning ML models is added advantage

Additional Details

The base pay range for this position is expected in the range below:

C$142,400 - C$190,100

Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including RRSP eligibility, various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

This job posting relates to an existing vacancy within eBay.

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at [email protected]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility.

We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center and AI Hiring Guidelines.

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