About Billdr

Billdr is building the AI-native operating system for SMB general contractors (GCs) and home builders. Our first product is Billdr PRO a modern, all-in-one software that unifies estimating, project management, scheduling, invoicing, and procurement. We serve construction professionals across North America, helping them run their construction businesses more efficiently and profitably.

We’re backed by world-class investors (White Star Capital, One Way Ventures, Desjardins Capital, asterX, Formentera Capital) and we’re scaling fast. If you’re excited about construction, technology, and helping small businesses thrive, this is the place to be.

The Role

We’re looking for a Senior Product Designer who’s passionate about designing simple, elegant solutions to complex problems in vertical SaaS. You’ll be the design owner for one of our core product areas — collaborating with software engineers, our customer success team and founders to shape user experiences that feel magical to general contractors and home builders.

This role is a blend of product strategy, UX research, and UI execution, ideal for someone who thrives in fast-paced environments and wants to leave a design legacy in a high-impact vertical SaaS product.

What You’ll Do

Design and ship core features across our SaaS platform and native mobile app
Own the full design process: from research, wireframes, prototypes to final, production-ready UI
Work alongside peers from the engineering, customer success and design teams to transform user insights into impactful product experiences
Test and validate designs before release to ensure usability, consistency, and visual polish
Evolve our design system to keep interfaces consistent and efficient across product surfaces
Gather and synthesize feedback from real users to inform product decisions
Help shape a design culture focused on quality, speed, and real-world impact

What We’re Looking For

5+ years designing SaaS products across desktop and mobile
Experience designing native mobile applications
Strong UX foundation: information architecture, user flows, and interaction design
Strong UI craft: hierarchy, clarity, and consistency in execution
Experience maintaining or contributing to a design system
Ability to navigate ambiguity and solve complex product challenges
Comfortable collaborating directly with engineers and testing your own designs before release
Proficiency with Figma and modern collaborative workflows
Excellent communicator with a product mindset and obsession for detail

Bonus

Experience in fintech or financial workflows (e.g., payments, invoicing, budgeting)
Experience designing AI-driven features or intelligent workflows that enhance user productivity
Experience with Webflow and web design fundamentals
Experience in a fast-paced startup or product-led environment

Who You’ll Work With

Another Senior Product Designer (your design partner and creative sparring ally)
An A-team of full-stack engineers
The Customer Success team (bridging client feedback and product improvements)
The CEO (deeply product-obsessed)

What makes this role special?

Significant creative ownership: your fingerprints will be everywhere
Build the future of construction tech on a software used by thousands of construction professionals every day
Collaborate with a small, product-first team that ships fast and learns constantly
Work on real problems that blend design, finance, AI, and operations
Help shape a product that’s redefining how construction runs in North America

Who You Are

You’re a curious, pragmatic, and empathetic designer who thrives in a collaborative environment
You think in systems, care about details, and work closely with engineers to bring ideas to life
You’re confident asking why, iterating fast, and owning your work from concept to release
You value teamwork, openness, and clarity — and believe great products are built together

Why Join Us?

Be part of a mission-driven company helping modernize one of the world’s largest industries.
Join a close-knit, ambitious team that values ownership, curiosity, and continuous learning.
Direct impact: your work will help shape the customer experience and company culture as we scale
Real growth opportunities as the company scales across North America.
Competitive salary and benefits package.
In-office set up, 5 days a week from our Montreal office (Griffintown).

Compensation Package

Base Salary: $100,000 - 120,000 CAD
Generous Equity package

Benefits

Employer-paid health, dental, and vision insurance
In-person work environment at our modern office in Montréal’s South West area

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Senior Product Designer