Senior Software Engineer, Fulfillment

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, Fulfillment based in Canada.

Join a backend engineering team building the critical infrastructure behind large-scale, real-time fulfillment operations. In this role, you will design and develop reliable, high-performance systems that coordinate order routing, task allocation, fulfillment tracking, and shopper compensation. You will tackle complex logistics challenges across consumer and enterprise marketplaces while improving the experience for customers, shoppers, and retail partners. Working in a collaborative, cross-functional environment, you will help shape technical direction, strengthen system reliability, and establish engineering best practices. You will also leverage AI-assisted development tools to improve productivity and mentor fellow engineers. This is a remote opportunity for candidates based in Ontario, Alberta, British Columbia, or Nova Scotia.

• Design, build, and maintain scalable backend applications and services supporting order routing, task allocation, fulfillment tracking, and shopper compensation.

• Lead technical design for high-impact projects, translating complex logistics challenges across consumer and enterprise marketplaces into effective, production-ready solutions.

• Develop and deliver features that improve fulfillment efficiency, operational performance, and the overall experience for customers, shoppers, and retail partners.

• Ensure critical, Tier-0 systems remain highly reliable, performant, and observable, with clear ownership and strong operational practices.

• Establish and promote platform engineering best practices in collaboration with product, compliance, and engineering stakeholders.

• Incorporate AI-assisted tools and workflows into everyday development to increase individual and team productivity.

• Mentor engineers and promote high standards for code quality, automated testing, system reliability, and operational excellence.

Requirements

• At least 5 years of professional backend software development experience.

• Proficiency in at least one backend programming language. Experience with Ruby, Python, or Go is relevant; Ruby experience is not required.

• Strong understanding of service and API design, including REST and RPC, database technologies, and system design principles for distributed and scalable applications.

• Hands-on experience building, deploying, and operating asynchronous, event-driven systems in production environments.

• Excellent communication and collaboration skills, with the ability to work effectively across complex, cross-functional teams.

• A bachelor's or master's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.

• Experience in fulfillment, logistics, or e-commerce software is preferred.

• Familiarity with workflow orchestration and state-machine-based systems is an advantage.

• Regular use of AI-powered coding tools, such as Claude Code or Codex, is preferred.

• Experience developing systems subject to regulatory requirements or financial compliance is an additional advantage.

Benefits

• Competitive compensation: Annual base salary ranging from CAD 168,000 to CAD 177,500, depending on permanent work location, experience, skills, and other role-related factors.

• Equity compensation: Eligibility for a new-hire equity grant and annual refresh grants.

• Remote flexibility: A remote-first work arrangement, with eligible employees able to choose where they work in accordance with the company's Flex First policy.

• Location eligibility: Applicants must be based in Ontario, Alberta, British Columbia, or Nova Scotia.

• Additional benefits: A broader benefits package is available, with details provided through the employer's benefits information.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

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