Senior Specialist, ECommerce at Publicis Groupe · Toronto

Company Description

Spark Foundry is the agency that is shaped by ideas. We believe everyone’s ideas are powerful – big or small. Our knack for exploring them makes us better.

We strongly believe in collaboration, where a thriving working relationship leads to everyone’s best work. Luckily, this conviction attracts likeminded clients and talent to create a positive and magnetic team.

We’re constantly adapting to each of our clients’ businesses’ needs to avoid stagnation. This ensures that our clients get the best service to tackle their future-facing challenges and that our team stays on their toes.

Above all, we love to go above and beyond what’s expected of us. We’ve done this through media innovation that is recognized by both the industry and by our clients who reap the benefits.

The near future is very bright for Spark Foundry, whether that’s a result of Publicis Groupe’s investment in groundbreaking global & local tools and data solutions or because of the contagious momentum amplified by new team members and new clients.

Overview

Join our ECommerce team as Senior Specialist!

Responsibilities

Campaign Leadership, Activation & Governance

• Lead activation and optimization across Amazon Ads (Search & DSP), Walmart Connect, Instacart Ads, Criteo, Uber Ads, DoorDash Ads, and Loblaws (MediaAisle).
• Own end-to-end campaign governance: creative requirements and QA, tracking/tagging (where applicable), flighting, budget allocations, pacing, keyword/bid/audience optimization, and ongoing brand safety + compliance checks.
• Establish clear performance guardrails (KPIs, learning agenda, optimization cadence) and ensure timely escalation of risks (inventory/OOS, pricing gaps, creative fatigue, tracking/reporting issues).

Strategy & Planning

• Translate client briefs into channel strategy and full-funnel plans: audience frameworks, targeting approach, measurement plan, and a structured testing roadmap (A/B tests, incrementality/lift, geo tests, creative tests).
• Partner with commerce/retail readiness stakeholders to improve conversion and efficiency: catalog hygiene, PDP content, reviews/ratings, pricing and promo strategy, inventory checks, and OOS suppression.
• Build and maintain media plans and forecasts (scenario planning, and sufficiency planning where needed).

Reporting & Insights

• Own cross-platform reporting and insights across Amazon Search/DSP/AMC, Walmart, Instacart, Criteo, Loblaws (MediaAisle) and other platform UIs; ensure clean data, consistent definitions, and executive-ready reports.
• Turn performance into a clear narrative: what happened, why it happened, what we learned, and what we’re doing next with actionable recommendations and quantified impact.
• Use AMC (where available) to support deeper insights (path-to-purchase, overlap, audience performance, incrementality signals) and improve targeting and measurement.

Client-Facing Ownership

• Lead client communications and governance: set expectations, manage approvals and timelines, and proactively communicate trade-offs, risks, and recommended actions to senior stakeholders.
• Present monthly business reviews and QBRs with a crisp story that ties media performance to business goals and identifies next-step decisions.

Partner & Cross-Functional Management

• Manage senior relationships with Amazon, Walmart, Instacart, Criteo, Loblaws, and other partners/vendors to unlock opportunities, troubleshoot issues, and drive performance improvements.
• Coordinate internally across analytics, creative, finance/billing, and account leadership to ensure operational excellence and scalable delivery.

Leadership & Team Development

• Lead and mentor Specialists/Coordinators: define priorities, set clear standards, provide coaching, and support development plans.
• Drive consistent ways of working: playbooks, QA checklists, pacing/SOV monitors, naming conventions, change logs, and structured post-mortems to improve performance over time.
• Responsible for entering media buy inputs into Prisma in a timely manner, and coaching/teaching new team members and Coordinators on Prisma billing processes and best practices.
• Ensure budget accuracy within PM media finance systems (including reconciliation checks and timely updates aligned to approved plans).
• Update and approve BCR amounts monthly, ensuring alignment across pacing, invoicing, and finance governance.

Qualifications

Must-haves

• 3+ years in retail media / performance marketing with deep, hands-on Amazon Search & DSP experience.
• Knowledge of Walmart Connect, Instacart Ads, Criteo, Uber Ads, DoorDash Ads, and Loblaws (MediaAisle).
• Demonstrated ownership of media planning, forecasting, pacing, and optimization across multiple accounts/campaigns.
• Experience leading QBRs/business reviews and influencing senior stakeholders with data-backed recommendations.

Strengths

• Strong analytical capability: comfortable with data aggregation, manipulation, and interpretation, and converting analysis into decisions.
• Strong project and stakeholder management: can run multiple workstreams, manage ambiguity, and operate with urgency.
• Clear communicator and strong storyteller (written + verbal), able to simplify complex performance into actionable takeaways.
• People leadership mindset: capable of coaching, setting standards, and raising team performance.

Tools

• Advanced Excel and PowerPoint.
• Bonus: experience with AMC, Pacvue/Skai, Helium10.

Additional Information

Salary

Transparency matters to us. The salary range for this position is $60K-$70K CAD per year. Actual compensation within this range will be based on a variety of factors, including relevant experience, knowledge, skills, and applicable certifications. This range reflects what we reasonably expect to offer based on current market data.

AI Use

We use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications or analyzing resumes. These tools assist our recruitment team but never replace human decision-making. We believe in a human-first approach, where your experience and potential are recognized by people.

Spark is an equal opportunity employer with a strong commitment to diversity and inclusion. We create and nurture a vibrant work environment that celebrates, values and leverages all aspects of diversity and inclusiveness, attracts world-class talent and serves as the industry benchmark for best practices. We encourage applications from all qualified individuals and will provide appropriate accommodation for candidates with disabilities or accessibility needs throughout the recruitment process, upon request. Please contact our recruiter for any questions, accommodations or specific requests. We thank all candidates for their interest in Spark however, only those candidates selected for an interview will be contacted.