Lead Solutions Engineer, Payments / Ingénieur principal de solutions

Paramount Commerce • Toronto, ON

8h • $150,000 - $190,000 • Hybrid

About The Position

We are Paramount Commerce, a leading fintech company that has been simplifying payments in Canada since the early 2000s. We process $5 billion annually for some of the world's largest gaming and cryptocurrency platforms across Interac, EFT and soon to be RTR rails. Our infrastructure sits at the center of how money moves in Canada. As we scale into new verticals and prepare for global expansion, the complexity of what we sell is outpacing the way we sell it. Our payment products span multiple rails, settlement models, and regulatory frameworks. The merchants buying them are increasingly sophisticated, with their own payments engineers and product teams who expect a technical counterpart on our side of the table. Today, that counterpart doesn't exist as a dedicated function. That's about to change. Reporting directly to the CRO, you will serve as the connective tissue between our commercial goals and our technical capabilities. You’ll partner with a Product team focused on developer experience and an Engineering team that prizes robust infrastructure, ensuring our largest merchants in gaming and fintech receive a seamless, world-class onboarding experience from the very first meeting. You will be the first dedicated Solutions Engineer at Paramount Commerce. This is not a role where you inherit a playbook and run it. You will build the function, define how we engage with merchants technically, and become the person that Sales can't close a strategic deal without. The challenge is real: our deals involve merchants integrating across payment methods with different settlement flows, compliance constraints, and edge cases that surface late if nobody catches them early. When a gaming platform needs to understand how Interac request-to-pay works alongside their existing card acquiring setup, or a crypto exchange needs to map our A2A flows to their treasury architecture, you're the one in the room making it concrete. Right now, that work falls across Product, Engineering, Onboarding and Business Development in ways that slow deals down and create post-signature surprises. Your job is to own that space, eliminate the ambiguity, and make our technical sales process as strong as our infrastructure.

Requirements

• 7 to 10+ years in Solutions Engineering, Sales Engineering, or a technical pre-sales hybrid within the payments industry.
• You understand the Canadian and US payments ecosystem at an operational level: Interac (e-Transfer, request-to-pay, and where real-time rails are headed), A2A and EFT flows, card acquiring, and the real distinctions between PSPs, processors, and gateways.
• You've seen enough payment integrations go sideways to know where the risk actually lives.
• Direct experience in gaming, crypto, or fintech integrations will put you at the top of the pile.
• You can discuss API authentication patterns with a merchant's engineering team and then walk into a commercial negotiation about settlement timing in the same meeting.
• You have a strong working knowledge of APIs, webhooks, reconciliation, and settlement flows.
• You simplify complexity without losing precision.
• You've worked directly with product managers, engineers, and payments teams on the merchant side.
• You can handle deep technical questioning, navigate ambiguous requirements, and guide stakeholders who don't fully understand their own systems toward clarity.
• You've been the first or early SE hire before, or you've operated in an environment where you had to create process rather than follow it.
• You care about closing deals and making them succeed post-sale.
• You see inefficiency and fix it without waiting for permission.

Nice To Haves

• This role is for someone who has spent years watching deals get complicated because nobody owned the technical narrative.
• You've seen the post-signature scramble when integration requirements weren't properly scoped, the engineering frustration when sales promises don't match technical reality, and the merchant churn that follows.
• You want to fix that, not just for one deal but structurally.
• You should be comfortable being the person who says "that won't work the way you think it will" in a room full of people who want to hear the opposite.
• You should be equally comfortable proposing the alternative that actually will.
• If you've been looking for a role where you build something from the ground up, have direct access to executive leadership, and work on problems that matter in a payments company that processes real volume, this is it.

Responsibilities

• Be the Technical Authority in the Room: Join late-stage and strategic sales conversations where technical credibility wins or loses the deal. You're here to make sure deals close with full technical certainty so they succeed after signature, not just before it.
• Articulate how our payment solutions work, where they don't, and what it actually takes to integrate
• Structure solutions across payment methods (A2A, Interac, EFT), settlement flows, and compliance constraints
• Identify risks early and prevent deals from gaining complexity that kills them post-signature
• Translate Between Two Worlds: Work directly with merchant-side product managers, payments engineers, and technical architects to understand their integration requirements and constraints. You become the trusted source of truth that both sides of the table rely on by documenting:
• Integration flows and technical architecture
• Edge cases and compliance dependencies
• Product gaps and required enhancements
• Own Technical Pre-Sales End to End: Lead technical discovery, solution design, and integration scoping from first conversation through handoff to delivery. Over time, you'll build the repeatable assets that make this scalable:
• Solution templates by vertical (gaming, remittance, crypto, marketplace)
• Integration playbooks and technical qualification frameworks
• FAQs and objection-handling guides that reduce dependency on Product and Engineering for routine deal support
• Improve What Happens After the Signature: Partner with implementation and engineering teams to ensure clean handoffs that reduce time-to-launch and eliminate avoidable rework. The best SE functions don't just close deals; they make deals successful.
• Ensure seamless Sales to Delivery transitions with complete technical context
• Identify recurring friction points and feed them back into product roadmap and commercial positioning
• Build the Function: Define the engagement model between Solutions Engineering, Sales, Account Management, and Product. You're laying the foundation; make it strong enough to build on.
• Establish documentation standards and technical deal qualification criteria
• Create the processes and templates that let this function scale beyond you
• Shape what "good" looks like for Solutions Engineering at Paramount Commerce

Benefits

• Competitive salary + performance bonus
• Generous Vacation + Summer Fridays
• Health & Dental Benefits
• Wellness Spending Account
• Retirement savings matching plan
• Parental leave top up program
• Birthday Day Off
• Quarterly Socials
• Volunteer Days to give back to our community

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed