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Senior Full-Stack Software Engineer (AI / SaaS) – Open for Qatar Residents Only

Senior Full-Stack Software Engineer (AI / SaaS) – Open for Qatar Residents Only

TQAY - Tech, Quality & YouDoha, Ad-Dawhah, Qatar
منذ يوم 1
الوصف الوظيفي

Senior Full-Stack Software Engineer (AI / SaaS) – Open for Qatar Residents Only

ROLE SUMMARY

Own end-to-end product development across frontend, backend, data, and cloud. Implement secure OAuth integrations (Meta / WhatsApp), build RAG / search services, and deliver multi-tenant SaaS with strong security, observability, and documentation.

Responsibilities

  • Ship features from spec → production with tests, telemetry, and docs
  • Design secure REST / GraphQL APIs; implement RBAC / ABAC and audit trails
  • Implement OAuth 2.0 (Auth Code + PKCE), webhooks, token rotation
  • Build Omni-chat integrations : WhatsApp Business API, IG / FB Messenger
  • Model data in Postgres; performance tuning, migrations, indexing
  • Deploy on secure private servers / VPC (on-prem or cloud), automate CI / CD
  • Operate with reliability in regulated environments (logs, SLOs, incident runbooks)

Tech Stack

  • Frontend : React / Next.js, TypeScript, Tailwind, shadcn / ui, i18n (EN / AR)
  • Cloud / DevOps : Vercel / AWS, Docker, GitHub Actions, Sentry / observability, IaC basics
  • Integrations : Meta OAuth / PKCE, App Review / Live Mode, WhatsApp Business API, webhooks
  • Must-Haves

  • Previous experience creating a Verified Meta App (passed App Review , moved to Live Mode )
  • 5–8+ years building production apps (React + Node + Postgres)
  • Strong API and database design; proven SQL performance debugging
  • Real OAuth 2.0 experience with PKCE, refresh, rotation and third-party integrations
  • Shipped RAG / search features (chunking, embeddings, retrieval) or equivalent complexity
  • Encryption in practice : TLS / mTLS, encryption at rest (KMS / HSM), key rotation
  • Secrets management (Vault / SSM / Secrets Manager); zero secrets in code / CI
  • Postgres security : RLS for multi-tenancy, PITR backups, retention, masking
  • Observability + auditability : structured logs, SIEM integration, alerting
  • Excellent communication; thrives in fast, on-site product sprints
  • Nice-to-Haves

  • Supabase + pgvector at scale; Postgres tuning and partitioning
  • WhatsApp / Meta webhook processors; multi-channel chat experience
  • Seniority level

  • Mid-Senior level
  • Employment type

  • Full-time
  • Job function

  • Engineering and Information Technology
  • Industries : Technology, Information and Internet
  • We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

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