Senior Backend Engineer · Distributed Systems · Event-Driven Architecture · Scalable APIs
I build production backend systems that handle real load.
Currently at Bosta, owning fulfillment infrastructure processing 8K–14K+ daily orders for 1,500+ merchants.
Previously co-built a social commerce platform serving 25K+ merchants with 1M+ orders and 20M+ messages.
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Event-driven microservices Pub/Sub, Saga orchestration, distributed transaction patterns, compensating transactions |
High-throughput APIs Webhook ingestion at 2K+ req/min, idempotent processing, ordering guarantees, replay mechanisms |
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Multi-tenant SaaS backends Row-level data isolation, per-tenant middleware, schema migration strategies |
Performance engineering Node.js event-loop profiling (clinic.js), query optimization, composite indexing |
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Infrastructure & CI/CD Docker, Kubernetes (GKE), GitLab CI, GitHub Actions, GCP Cloud Run |
Real-time systems FSM-based bots, WebSockets, Redis hot state, social commerce inboxes |
Backend
Databases & Messaging
Infrastructure & DevOps
Frontend
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Secrets management platform for dev teams. AES-256 encryption per variable, granular team RBAC, audit logging, and environment promotion across Dev / Staging / Prod.
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Async standup platform for small teams. Private workspaces, text and voice updates, automated daily digest reports with team analytics. Built full-stack end-to-end.
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From-scratch implementations of production systems in Python, built to understand internals from first principles:
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🤟 Musheer — AI Sign Language TutorCustom Arabic Sign Language dataset (600 images/sign) → LSTM+CNN on MediaPipe Holistic keypoints → 91% accuracy → FastAPI backend → Production Android app. 50K+ downloads · 🥇 First Place — ASU Innovates 2022
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Cross-platform desktop markdown editor with a clean, distraction-free writing experience. Built with Electron for native desktop feel and React/Vite for a fast, modern UI.
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Browser-based presentation deck builder. Create, edit, and present slides directly in the browser without any install. Clean editor experience with live preview.
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4-service distributed system communicating via RabbitMQ async messaging. Per-service GitHub Actions CI/CD with Docker Hub publishing. Full Kubernetes manifests with ConfigMap-based config injection.
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Real-time speech captioning for Android. Architected the audio chunking and streaming pipeline; drove the switch from on-device models to ElevenLabs managed transcription after evaluating accuracy vs. latency tradeoffs. 100K+ users in production
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AI-powered conversation rehearsal app — practice difficult conversations with realistic roleplay and AI coaching. Get feedback and coaching from Claude to build communication confidence.
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Minimalist shared expense tracker — fast logging, collaborative analytics, and budget tracking for groups. Create workspaces, invite members, and log expenses collaboratively. Provides clear financial analytics showing spending patterns by category, person, and time period, plus monthly budget tracking.
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Open to remote backend engineering roles — APIs, distributed systems, platform engineering.
a.ayman6000@gmail.com