Senior Full-Stack Developer (Python, Node.js, React)

Requirements

• Strong backend proficiency across Node.js (Nest.js, Express, Hono) and Python (FastAPI, Flask), with TypeScript and Python as working languages
• Strong Next.js and React experience
• Experience integrating AI/LLM APIs as an application logic layer: validation, classification, content generation, and decision-making within business workflows
• Database design and management: PostgreSQL, MongoDB, cloud-managed services (Cloud SQL, RDS, ApsaraDB)
• Authentication and authorisation patterns (JWT, OAuth, RBAC) and API security
• Cloud engineering: edge functions, CDN configuration, serverless architecture, container orchestration
• Full-stack test automation: unit, API/integration, component, and E2E testing
• Performance optimisation: caching, query optimisation, code splitting, monitoring
• REST and/or GraphQL API design
• Demonstrated ability to orchestrate AI development tools through strategic prompting and quality oversight
• Deep understanding of the following technologies is essential:
• Node.js, TypeScript, Nest.js, Express, Hono, Python, FastAPI, Flask
• Next.js, React, Tailwind CSS
• PostgreSQL, MongoDB, cloud-managed database services
• Authentication: JWT, OAuth, RBAC
• Cloud and edge: Alibaba Cloud, GCP, AWS, Cloudflare Workers, Vercel Edge, Lambda
• AI/LLM API integration and orchestration
• Testing: Vitest/Jest, React Testing Library, Playwright/Cypress, API testing
• Docker, CI/CD, Git, Claude Code
• (Desirable) Experience in a consulting or agency environment across multiple concurrent client engagements
• (Desirable) Apollo GraphQL Server for federated or schema-first APIs
• (Desirable) Event-driven patterns (webhooks, message queues, real-time notifications)
• (Desirable) Multi-model AI strategies (routing between LLMs based on task requirements)
• (Desirable) Graph databases (Neo4j) or vector databases (pgvector, Pinecone)
• (Desirable) Infrastructure as Code (Terraform, Pulumi)
• (Desirable) Export/print workflows (PDF generation, report exports)
• We are proud to be an Equal Opportunity Employer and we encourage applicants from all backgrounds, lived experiences and industries to apply

What the job involves

• As a Full-Stack Developer, you will architect and build custom web applications across multiple client engagements, owning both the backend API layer and the frontend
• A defining aspect of this role is working with AI as a logic layer within applications: integrating LLM APIs for validation, decision-making, classification, and content generation
• You make strong technical decisions around authentication, security, state management, and performance, and you bring cloud engineering awareness for edge computing, CDN delivery, and serverless environments
• This is not a traditional manual coding role
• You orchestrate AI development tools, primarily Claude Code, through strategic prompting and rigorous review, taking full ownership of what ships
• Architect and build custom web applications using Node.js (Nest.js, Express, Hono), Python (FastAPI, Flask), and Next.js/React
• Design and build RESTful and/or GraphQL APIs that serve multiple frontends and integrate with third-party services
• Integrate AI and LLM APIs as a core logic layer, building intelligent features such as validation, classification, content generation, and decision support
• Implement authentication, authorisation (JWT, OAuth, RBAC), and security across applications
• Design and manage database layers (PostgreSQL, MongoDB, cloud-managed equivalents), including schema design, migrations, and query optimisation
• Architect with cloud-native patterns: edge functions, CDN configuration, serverless deployments, and caching strategies
• Write and maintain automated tests across the full stack: unit (Vitest/Jest), API/integration, component (React Testing Library), and E2E (Playwright/Cypress)
• Orchestrate AI development tools (Claude Code) through strategic prompting, ensuring high-quality, production-ready output