Senior Software Engineer

Job summary

Design and build reliable backend APIs, services, integrations, and infrastructure for customer-facing AI workflows, including advertising and marketing data sources. Improve system performance, data architecture, and developer experience while collaborating with engineers and business stakeholders to deliver evolving product requirements.

Job details

🚀 Hiring: Staff Software Engineer — Platform Team | AI & Marketing Technology I’m recruiting for a growing B2B SaaS startup building AI-powered tools that help marketing teams analyze advertising performance, develop creative strategies, and automate their workflows. We’re looking for a hands-on, backend-focused engineer who has built products from scratch and shipped customer-facing AI features into production. 📍 Remote — US, Canada, or Western Europe, with significant overlap with Eastern Time 💼 Full-time 💰 Salary: CA$200,000–CA$250,000 + stock options WHAT YOU’LL DO • Design and build reliable backend APIs, services, and product integrations. • Develop features and infrastructure supporting customer-facing AI workflows. • Build and scale third-party integrations, including advertising and marketing data sources. • Improve system performance, data architecture, and developer experience. • Work closely with engineers and business stakeholders to turn evolving requirements into shipped products. WHAT WE’RE LOOKING FOR • 8+ years of experience as a backend-focused engineer. • A strong background at Series A–C startups, with recent experience in an AI-native or AI-forward company. • Proven experience taking products from concept to launch, including AI features used by real customers. • Strong backend API and third-party integration expertise; Meta API experience is particularly valuable. • Clear communication skills and experience working directly with clients or non-technical stakeholders. • Comfort building across the stack and adapting quickly as priorities evolve. Node.js and TypeScript experience is preferred. Engineers from other stacks should demonstrate a strong track record of learning and switching technologies quickly. Experience with asynchronous systems, message queues, MongoDB, data modeling, and ETL is valuable. Founder or founding engineer experience is a plus. TECH STACK Node.js · Express · TypeScript · React · GraphQL · PostgreSQL · MongoDB · Azure WHY CONSIDER THIS ROLE? • Meaningful technical ownership in a growing startup. • Direct involvement in building AI-powered products. • Equity, health benefits from day one, and a monthly health and lifestyle stipend. • 20 days of PTO and a work-from-home stipend. Visa sponsorship is not available.

What you’ll do

Design and build reliable backend APIs, services, integrations, and infrastructure for customer-facing AI workflows, including advertising and marketing data sources. Improve system performance, data architecture, and developer experience while collaborating with engineers and business stakeholders to deliver evolving product requirements.

Requirements

Requires 8+ years of backend-focused engineering experience, startup experience, and a track record of taking products and customer-facing AI features from concept to production. Strong API and integration expertise, clear communication with clients or non-technical stakeholders, and adaptability across the stack are expected; Node.js and TypeScript are preferred.

Benefits

• Stock Options
• Health Benefits
• Health And Lifestyle Stipend
• Paid Time Off
• Work-From-Home Stipend

Listed skills

• Node.js · Preferred
• TypeScript · Preferred
• Product Development · Preferred
• MongoDB · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Backend Engineering
• Backend APIs
• Third-Party Integrations
• Artificial Intelligence
• Node.js
• TypeScript
• Asynchronous Systems
• Message Queues
• MongoDB
• Data Modeling
• ETL
• Meta API
• System Performance
• Product Development
• Client Communication

Job areas

• Software
• Technology
• Marketing
• Data & Analytics