Senior Software Engineer - Professional Services Engineering (Americas)

About The RoleAt Shopify, we're making commerce better for everyone, from independent entrepreneurs to global brands. We provide the scalability, reliability, and flexibility merchants need to build, grow, and evolve their businesses. Shopify powers commerce for brands like AllBirds, Gymshark, Staples, and more.Our Professional Services Engineering team partners directly with these brands through paid engagements to build custom integrations, accelerate product features, and deliver partner solutions that standard approaches can't handle. We bridge the gap between enterprise merchant needs and what Shopify offers out of the box – building apps that connect Shopify systems with merchant systems, payment integrations, sales channels, and custom platform extensions.This is where Senior Engineers come in, working closely with Plus and enterprise merchants, partners, Delivery Managers, Solution Architects, and Product teams to solve complex challenges. You'll be the primary technical point of contact on your projects, leading both the strategy and hands-on implementation.What You'll DoPartner with Plus and enterprise merchants to architect and deliver custom integrations through paid engagementsLead technical discovery, solution design, and hands-on implementation for backend systemsBuild apps that connect Shopify with merchant systems (ERPs, fulfillment, inventory, payments, sales channels)Collaborate with Product and Engineering teams across Shopify to accelerate backlog features and meet merchant launch timelinesDevelop payment integrations, sales channels, and custom platform extensions for partnersInvestigate and resolve production issues for apps your team ownsCommunicate directly with merchants and partners – set expectations, surface risks early, and land clear recommendationsWrite well-tested code using test-driven development or similar practicesShare learnings from projects with the team to raise the bar for everyoneLeverage AI tools (Cursor, Claude, π) to accelerate development and ramp up on unfamiliar codebasesWhat You Can ExpectA hands-on technical role collaborating with high-impact collaborations with merchants and partnersA fast-paced environment where requirements change frequently and ambiguity is the normAutonomy to solve complex problems creatively, plus mentorship and opportunities to grow from each challengeDirect influence on merchant success and Shopify's product roadmapProjects typically lasting six months or less – you'll gain broad expertise across many Shopify domains rather than deep specialization in a single areaA culture that values authenticity, openness, and diverse perspectivesYour Skills And ExperienceWe're interested in what you can do. If you're excited about the role, please apply even if your experience doesn't line up perfectly.Experience can come from formal education, self-directed learning, or previous roles. No specific degree required (skills first).Technical expertiseRuby on Rails: Strong backend development experience, including background jobs, webhooks, and API designReact: Frontend experience for building admin interfaces and merchant-facing UIsNode.js: Familiarity with JavaScript/TypeScript backend servicesGraphQL and REST APIs: Proficiency with Shopify's Admin and Storefront APIs, webhooks, and rate-limit-aware patternsRelational databases: Experience with SQL, data modeling, and query optimizationSystem integration patterns: Building reliable connections between Shopify and external systems (ERPs, fulfillment, payments)Development workflow and toolingGit/GitHub flows, environments, CI/CD pipelinesTest-driven development practicesProven use of AI tools (Cursor, VS Code/Copilot, Claude, π) to ship production workComfort utilizing AI tools to ramp up on unfamiliar codebases and accelerate developmentCommunication and collaborationStrong communication skills with both technical and non-technical stakeholdersAbility to translate ambiguous merchant requirements into clear technical solutionsComfortable as the primary technical contact for merchants and partnersClear written and verbal communication for client-facing engagementsThrives in collaborative environments with cross-functional teams (Engagement Managers, Delivery Managers, Solution Architects)Bonus if you haveExperience with Shopify app development (public or custom apps), especially react-routerFamiliarity with payment processing, payment app development, or PCI complianceExperience with ERP/OMS/PIM integrationsBackground in consultancy or agency work with enterprise merchantsExperience building internal tools and automationKnowledge of Shopify Plus features (B2B, Scripts/Functions, Launchpad)How You'll WorkYou'll work on projects typically lasting six months or less, from hands-on delivery to technical leadership on the engagement. You'll work in a dynamic environment where priorities shift frequently, requirements evolve, and creative problem-solving is essential.This role requires both deep technical execution and the ability to think strategically about merchant outcomes. You'll be expected to learn new frameworks and codebases quickly – and AI tools are your accelerator, not a crutch.At Shopify, we pride ourselves on moving quickly—not just in shipping, but in our hiring process as well. If you’re ready to apply, please be prepared to interview with us within the week. Our goal is to complete the entire interview loop within 30 days. You will be expected to complete a pair programming interview, using your own IDE.This role may require on-call work.Ready to craft your next masterpiece in code? Join the team that’s making commerce better for everyone.About ShopifyOpportunity is not evenly distributed. Shopify puts independence within reach for anyone with a dream to start a business. We propel entrepreneurs and enterprises to scale the heights of their potential. Since 2006, we’ve grown to over 8,300 employees and generated over $1 trillion in sales for millions of merchants in 175 countries.This is life-defining work that directly impacts people’s lives as much as it transforms your own. This is putting the power of the few in the hands of the many, is a future with more voices rather than fewer, and is creating more choices instead of an elite option.About YouMoving at our pace brings a lot of change, complexity, and ambiguity—and a little bit of chaos. Shopifolk thrive on that and are comfortable being uncomfortable. That means Shopify is not the right place for everyone.Before you apply, consider if you can:Care deeply about what you do and about making commerce better for everyoneExcel by seeking professional and personal hypergrowthKeep up with an unrelenting pace (the week, not the quarter)Be resilient and resourceful in face of ambiguity and thrive on (rather than endure) changeBring critical thought and opinionPut AI agents and tools to work on the tasks they're built for, and focus on the work only humans can doEmbrace differences and disagreement to get shit done and move forwardWork digital-first for your daily workWe may use AI-enabled tools to screen, select, and assess applications. All AI outputs are reviewed and validated by our recruitment team.