Full Stack Engineer

Our client is a Singapore-basedAI company delivering a multi-tenant B2B SaaS platform for building-inspectionimagery and reporting, built on AWS. The platform includes single-page webapplications, serverless image-processing services, and integrations withself-hosted AI/3D-reconstruction pipelines. What You'll Do •      Own end-to-end feature delivery across the SPA frontendand backend services on AWS •      Maintain and secure serverless image-processingfunctions •      Own the PostgreSQL (RDS) data layer, including schemadesign and upgrades •      Re-establish CI/CD pipelines for the web estate •      Integrate web products with self-hosted AI inferenceand 3D-processing pipelines •      Improve production observability (logging, healthchecks, monitoring) at the application layer •      Implement consistent authentication/authorisationacross products and tenants Core Key Skills •      5-8+ years of full-stack engineering, including 3+years running production systems on AWS •      Proven experience shipping and operating a multi-tenantB2B SaaS (SPA frontend + backend on EC2/Lambda) •      Strong JavaScript/TypeScript with production SPAexperience (React strongly preferred) •      Node.js backend development, including AWS Lambda forimage/binary processing •      Working proficiency in Python web backends(Django/Flask) •      Production PostgreSQL experience on Amazon RDS (schemadesign, query optimisation, upgrades) •      REST API design using API Gateway and load-balanced(ALB) services •      Experience with S3 at scale (multipart uploads,presigned URLs, lifecycle rules) •      EC2-based deployment (AMIs, launch templates, AutoScaling Groups) on Linux •      Familiarity with authentication services (e.g. AmazonCognito) and Git-based CI/CD workflows Nice to Have •      Geospatial/imagery domain exposure •      Experience with enterprise or government clients inSingapore/SEA •      Docker and container fundamentals