Staff Software Engineer

About Zeffy

Zeffy is the fastest‑growing nonprofit platform in North America, helping organizations raise funds, run events, and engage donors. We work with more than 80 000 nonprofits and are doubling annually. Millions of people dedicate their lives to causes beyond profit. Our self‑funded model reaches over 1 million donors monthly, giving us freedom to focus fully on our mission.

Base Pay Range

Compensation is based on skills and experience. Discuss details with your recruiter.

Location

Montreal, Quebec, Canada – Greater Montreal Metropolitan Area

Salary

Approx. CA$120,000 – CA$140,000 per year, depending on experience.

About the Role

As a Staff Software Engineer at Zeffy, you’ll work on key product features and play a central role in elevating the engineering team. You’ll bring experience that helps others make better technical decisions, navigate complexity, and maintain a focus on building simple, high‑quality solutions as we grow.

Responsibilities

Engineer, test, and deploy core product features across the stack.

Preferred Experience & Qualifications

• 8+ years of experience as a developer in SaaS or high‑volume web products.
• Shipped complex products at scale and have sharp judgment on technical decisions.
• Simplicity over cleverness, clarity over complexity, momentum over perfectionli>
• Mentor others with empathy; elevate team work without adding unnecessary.

Benefits

• 5 weeks holiday + RTT per calendar year.
• Competitive stock option program.
• Health insurance through Alan.
• Allowance for ecological transport (bike/transit).
• Team volunteering four times per year.
• Hybrid work with office in Paris 11ème.
• Annual offsite summit with the entire team.
• Purpose‑driven work that makes a profound impact.

Recruitment Process

• Call with recruiter (45 min).
• Meeting with hiring manager (1.5 h).
• Case study (2 h).
• Cultural interview with leadership (1 h).
• Team lunch & reference check.
• Job offer.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Engineering and Information Technology

Industries

Software Development

Referrals

Referrals increase your chances of interviewing at Zeffy by 2×.

EEO Statement

Zeffy is an equal‑opportunity employer; we celebrate diversity and inclusion in all forms.