Waterloo, On Senior frontend or backend engineer Jobs – 484 Openings This Week

Senior Frontend or Backend Engineer
Faire —Kitchener-Waterloo, ON
- $156,000–$214,500 a year
- Computer science
- Computer Science
- Java
Senior Crew Lead
FlightLine Golf Inc. —Waterloo, ON
- $65,000–$75,000 a year
- Full-time
- Heavy equipment operation
- Construction
- Leadership
- Paid time off
Quick apply
Vice President of Finance
Earthscape Play —Wallenstein, ON
- $150,000–$180,000 a year
- Full-time
- ERP systems
- Accounting
- In-person
- Profit sharing
- Dental care
Quick apply
Senior Tax Analyst
Linamar Corporation —Guelph, ON
- $90,000–$130,000 a year
- Full-time
- Microsoft Excel
- Finance
- Analysis skills
- Dental care
- Vision care
Quick apply
SR Financial Analyst- Bilingual
TRUE Sports ULC —Ontario
- $90,000–$100,000 a year
- Full-time
- Remote
- Bilingual
- Oracle
- English
Quick apply
Transmission Line Engineering Team Lead
Stantec —Waterloo, ON
- $135,700–$185,700 a year
- Temporary
- Hybrid work
- Project management
- Continuous improvement
- Team management
- Wellness program
- Employee stock purchase plan
Senior Geotechnical Engineer – Mining
Klohn Crippen Berger —Ontario
- $110,000–$160,000 a year
- Overtime
- Hybrid work
- Engineering
- Civil Engineering
Quick apply
Senior Panel Builder
Ascension Automation Solutions Ltd. —Cambridge, ON
- $32–$40 an hour
- Overtime
- Schematics
- Forklift
- Programmable logic controllers
Quick apply
4d
Senior Full Stack Developer
Netsweeper —Waterloo, ON
- $100,000–$110,000 a year
- Full-time
- Hybrid work
- Computer Science
- English
- Bachelor's
- Dental care
- Paid time off
Quick apply
Senior HR Generalist
Sienci Labs Inc. —Waterloo, ON
- $70,000–$90,000 a year
- Full-time
- Forklift
- Human resources
- Communication skills
- Dental care
Quick apply
Senior Assurance Manager
RLB LLP —Guelph, ON
- Full-time
- Hybrid work
- Microsoft Office
- Accounting
- Organizational skills
Quick apply
Senior Vice President, Development
Premier Project Consultants Ltd. —Kitchener, ON
- Full-time
- Bachelor's
- Recruiting
- Construction
- Mileage reimbursement
- Dental care
Quick apply
13h
Senior Ecologist - 364
MTE Consultants Inc. —Kitchener, ON
- $100,000–$130,000 a year
- Full-time
- PMP
- Project management
- Bachelor's
- Wellness program
- Mileage reimbursement
Quick apply
Sr. Engineer, Software - $130K-$155K/yr in Aurora, ON!
Wolf Advanced Technology —Ontario
- $130,000–$155,000 a year
- Full-time
- Computer Science
- Engineering
- English
- Profit sharing
- Disability insurance
Senior Financial Planning Analyst
LiftWerx —Cambridge, ON
- $90,000–$108,000 a year
- Full-time
- Microsoft Excel
- ERP systems
- Finance
- Disability insurance
- Dental care
Quick apply
IT Specialist (Intermediate/Senior)
RideCo —Waterloo, ON
- $75,000–$100,000 a year
- Computer science
- Computer Science
- DevOps
- Dental care
- Flextime
Quick apply
Assistant Controller
F. H. Black & Company CPA Inc. —Waterloo, ON
- Full-time
- Microsoft Office
- QuickBooks
- In-person
Quick apply
14d
Senior Financial Systems & Reporting Analyst
Hammond Power Solutions Inc. —Guelph, ON
- $83,200–$124,800 a year
- Hybrid work
- Microsoft Excel
- ERP systems
- Finance
- Paid time off
- Employee assistance program
Quick apply
Senior Engineer, Hardware ($120,000-$150,000/yr and Relocation Assistance to Aurora, ON region)
Wolf Advanced Technology —Ontario
- $120,000–$150,000 a year
- Full-time
- Engineering
- Bachelor's
- No university degree
- Profit sharing
- Disability insurance
Senior Bookkeeper
Elby Professional Recruitment Inc —Waterloo, ON
- $75,000–$85,000 a year
- Accounting
- In-person
Quick apply

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senior frontend or backend engineer jobs near waterloo, on

Senior Frontend or Backend Engineer

Faire -
Kitchener-Waterloo, ON

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Job details

$156,000–$214,500 a year

Qualifications

Computer science
Kotlin
Computer Science
JUnit
React
C#
E-commerce
Java
AWS
JavaScript
Distributed systems
B2B
APIs
IT
JSON
TypeScript
Hibernate
MySQL
Analytics

Full job description

About Faire

Faire is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Faire, we're using the power of tech, data, and machine learning to connect this thriving community of entrepreneurs across the globe. Picture your favorite boutique in town — we help them discover the best products from around the world to sell in their stores. With the right tools and insights, we believe that we can level the playing field so businesses can grow and local communities can thrive.

We’re looking for smart, resourceful and passionate people to join us as we power the shop local movement. If you believe in community, come join ours.

About this role:

At Faire we have a business unit focused on Retailer Growth that oversees core growth strategies from top of funnel, to onboarding, to helping Retailers get up and running to be successful on Faire. We are looking for a Senior Growth Engineer (Frontend or Backend) who thrives at the intersection of product, experimentation, and engineering.

We are looking for someone who wants to own meaningful business outcomes and impact, not just ship features. Depending on your strengths, you may focus primarily on frontend or backend systems, but you will operate with end-to-end ownership of growth initiatives and measurable impact. You will partner closely with Product, Design, Data Science, Analytics, and Marketing to turn hypotheses into experiments, and experiments into scalable growth engines.

What you’ll do:

Own and deliver growth experiments end-to-end, from ideation to implementation and analysis.
Build customer-facing features that improve funnel conversion, onboarding success, and engagement.
Design and implement scalable APIs and services (backend focus) or intuitive, high-performance user interfaces (frontend focus).
Partner with Data Science and Analytics to define success metrics and interpret experiment results.
Contribute to experimentation frameworks and growth tooling infrastructure.
Share ownership of product decisions and help shape growth strategy through technical insight.
Write clean, secure, tested, and maintainable code that scales to millions of users.
Help improve engineering quality, velocity, and operational efficiency within the Growth organization.

We’re excited about you because you:

Have 5+ years of professional software engineering experience.
Have strong experience in either:
- Backend development (e.g., Kotlin, Java, C#, APIs, databases, distributed systems), or
- Frontend development (e.g., React, TypeScript/JavaScript, modern UI frameworks, performance optimization).
Have shipped customer-facing features with measurable impact.
Care deeply about experimentation, A/B testing, and data-informed decision making.
Are comfortable working in fast-moving, hypothesis-driven environments.
Take ownership and think beyond implementation, connecting technical decisions to business outcomes.
Have a strong foundation in computer science fundamentals or equivalent industry experience.
Are curious, resourceful, and excited to solve ambiguous problems.

Bonus / Nice to haves:

Experience working on growth, activation, onboarding, or monetization teams.
Experience leading major growth initiatives or owning a growth surface area.
Experience in marketplace, e-commerce, or B2B SaaS environments.
Familiarity with experimentation platforms and feature flagging systems.
Experience collaborating closely with Data Science or Analytics teams.
Exposure to lifecycle marketing, CRM systems, or data pipeline integrations.

Technologies we use & teach:

(Experience in similar technologies is welcomed)

Backend: Kotlin, Java, JUnit, Hibernate, Guice, Jersey, MySQL, CockroachDB, AWS
Frontend: React, TypeScript/JavaScript
Infrastructure & Data: HTTP, JSON, Protocol Buffers, experimentation frameworks, analytics tooling

Salary range:

Canada: the pay range for this role is $156,000 - $214,500 per year.

This role will also be eligible for equity and benefits. Actual base pay will be determined based on permissible factors such as transferable skills, work experience, market demands, and primary work location. The base pay range provided is subject to change and may be modified in the future.

Hybrid Faire employees currently go into the office 3 days per week on Tuesdays, Thursdays, and a third flex day of their choosing (Monday, Wednesday, or Friday). Additionally, hybrid in-office roles will have the flexibility to work remotely up to 4 weeks per year. Specific Workplace and Information Technology positions may require onsite attendance 5 days per week as will be indicated in the job posting.

Why you’ll love working at Faire

Move fast: You'll own meaningful problems that serve customers around the globe with the agency to move fast and see your results clearly.
Equipped to scale: We invest in what matters, including the latest enterprise AI tools, to help you work smarter and get more out of every day.
Best in class: Our team is full of sharp, kind, and generous colleagues who care about their craft and about helping you grow in yours.
Real rewards. Competitive pay, equity, and comprehensive benefits designed to support your life inside and outside of work.
Belonging: We're intentional about building an environment where every Faire employee has equal access to opportunities, growth, and success.

Faire was founded in 2017 by a team of early product and engineering leads from Square. We’re backed by some of the top investors in retail and tech including: Y Combinator, Lightspeed Venture Partners, Forerunner Ventures, Khosla Ventures, Sequoia Capital, Founders Fund, and DST Global. We have headquarters in San Francisco and Kitchener-Waterloo, and a global employee presence across offices in Toronto, London, and New York. To learn more about Faire and our customers, you can read more on our blog.

Faire provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity or gender expression.

Faire is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. Accommodations are available throughout the recruitment process and applicants with a disability may request to be accommodated throughout the recruitment process. We will work with all applicants to accommodate their individual accessibility needs. To request reasonable accommodation, please fill out our Accommodation Request Form (https://bit.ly/faire-form)

Privacy

For information about the type of personal data Faire collects from applicants, as well as your choices regarding the data collected about you, please visit Faire’s Privacy Notice (https://www.faire.com/privacy)

Apply Now

Refine Your Search

senior frontend or backend engineer jobs in waterloo, on

Senior Frontend or Backend Engineer

Senior Crew Lead

Vice President of Finance

Senior Tax Analyst

SR Financial Analyst- Bilingual

Transmission Line Engineering Team Lead

Senior Geotechnical Engineer – Mining

Senior Panel Builder

Senior Full Stack Developer

Senior HR Generalist

Senior Assurance Manager

Senior Vice President, Development

Senior Ecologist - 364

Sr. Engineer, Software - $130K-$155K/yr in Aurora, ON!

Senior Financial Planning Analyst

IT Specialist (Intermediate/Senior)

Assistant Controller

Senior Financial Systems & Reporting Analyst

Senior Engineer, Hardware ($120,000-$150,000/yr and Relocation Assistance to Aurora, ON region)

Senior Bookkeeper

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