Senior Backend Engineer (AI-Augmented Development)
Worthland
- Beijing
- Permanent
- Full-time
Job Type: Full-Time
Compensation: USD $4,000/month (~RMB 29,000)
Language Requirement: Mandarin (Required), English Reading/Writing (Preferred)
Hiring via: Worthland RecruitmentAbout the CompanyOur client is a fast-growing AI-powered marketing automation startup.They are building an intelligent campaign automation platform that uses AI to automate digital advertising campaign creation and management across dozens of ad platforms including Facebook, Google Ads, TikTok, DV360, The Trade Desk, Reddit, and more.The platform reduces campaign setup time from hours to minutes.Senior engineers in this team have real product ownership, shape technical strategy, and help define the foundation of AI-driven products used by modern marketing teams.The RoleWe are looking for a Senior Backend Engineer fluent in AI-assisted development workflows — someone who actively uses modern AI coding tools to build and ship production systems.This role requires hands-on experience using tools such as Claude Code, GitHub Copilot, Cursor, Windsurf, or similar to:Describe system requirements in natural languageGenerate production-grade backend codeReview, test, and iterate on AI-generated outputShip complete backend modules efficientlyThis is not about basic autocomplete usage. We are looking for engineers already building real systems through AI-augmented workflows.What You’ll BuildAI document processing pipelines (PDF/Excel campaign extraction using multi-model AI)Automated multi-platform campaign orchestrationEmail-to-campaign workflow automationReal-time orchestration systems with parallel processing and retry logicScalable backend services powering AI-driven marketing automationTech StackBackend CoreNode.js / ExpressPython Flask microservicesInfrastructureGoogle Cloud (Pub/Sub, Cloud Storage, PostgreSQL, GCE, BigQuery)IntegrationsDirect API integrations with multiple advertising platformsFrontend (Bonus)React SPA with real-time updatesAI ToolchainClaude CodeGitHub CopilotCursorWindsurfOther AI development frameworksKey ResponsibilitiesDesign, build, and scale backend platform componentsArchitect reusable, composable backend systemsCollaborate closely with product to accelerate feature deliverySet technical direction for platform architectureRapidly prototype new AI-driven featuresLeverage AI tools to significantly increase development velocityRequirementsProven experience using AI coding tools to build real production features4+ years backend or platform engineering experienceExperience building scalable distributed systemsStrong understanding of service-oriented architecture (SOA)Experience in startup or fast-moving environmentsStrong ownership mindset and ability to navigate ambiguityComfortable working across infrastructure, services, and APIsProduct-oriented engineering mindsetBachelor’s degree in Computer Science or equivalent experienceFluent Mandarin (required)Nice to HaveExperience with NLP or ML modelsREST API design and integration experienceReact or frontend framework experienceEnglish proficiency for technical documentationExperience with MCP (Model Context Protocol) or similar AI frameworks