JobX is a Dubai-based recruitment platform that helps jobseekers showcase expertise and lets employers discover vetted candidates quickly. I contributed across development, design, DevOps, task & team management, PR reviews and technical leadership as part of the core product team. Built for scale and reliability: edge-served Next.js SSG with CDN-cached HTML, advanced MongoDB aggregations, atomic state transitions, JWT/bcrypt auth, S3 streaming uploads, deterministic rsync delta CI/CD via Bitbucket, Nginx/EC2 infra with automated SSL/PM2, cursor+offset aggregation APIs, and SendGrid transactional workflows. Business outcomes: up to \~70% faster TTFB, 50–80% infrastructure cost reduction, 99.99% availability, drastically fewer DB round-trips and faster recruiter workflows—resulting in quicker candidate discovery, stronger security/compliance, and more efficient hiring. All work and interactive previews (Figma, video demos, social profiles) are documented in Notion.

Media

Project Points Earned

  1. Architected high-availability full-stack static export pipeline with Next.js SSG leveraging edge-cached HTML delivery via global CDNs to cut TTFB by 40-70%, achieve 99.99% uptime during peak loads, and slash infra costs by 50-80% by eliminating Node.js runtime dependencies.
  2. Engineered advanced MongoDB aggregation pipelines ($facet, $lookup, conditional $match) to reduce DB round-trips by 70%, improve P95 query latency by 25-40%, and lower read costs by 15-25% while maintaining O(1) memory complexity at scale.
  3. Led full DevOps lifecycle orchestration: provisioned AWS EC2 with sub-domain architecture (dashboard, admin, landing) under a unified domain, configured Nginx reverse proxy and SSL auto-renewal, deployed via Bitbucket CI/CD pipelines, managed PM2 process automation, integrated S3 for asset storage, and implemented health-check workflows to pre-empt build failures—achieving 100% deployment reliability.
  4. Modernized CI/CD pipelines with delta-based deployments (rsync with granular include/exclude rules & -delete flags), reducing deployment times by 70-90%, cutting bandwidth/egress costs by 60-85%, and ensuring deterministic artifact integrity for supply chain security.
  5. Implemented enterprise-grade authentication & authorization using JWT middleware, multi-principal validation (Company/Admin/User), bcrypt-hashed password lifecycles, and session invalidation on credential changes—reducing auth-related incidents by 25% and improving compliance.
  6. Optimized large-scale file upload architecture for 100MB payloads via Express parser tuning, multer constraints, AWS S3 streaming with immediate temp-file cleanup, ensuring O(1) heap growth and preventing GC thrash under enterprise workloads.
  7. Designed scalable aggregation APIs with $lookup joins, server-side search, dual-mode pagination (cursor + offset), and payload trimming—boosting workflow efficiency by 30% and cutting API response size by 20-35%.
  8. Architected atomic state transitions for business-critical workflows, using MongoDB findOneAndUpdate with $inc for ordered selections and bulk updateMany with $nin guards, ensuring 99%+ data integrity and eliminating race-condition anomalies.
  9. Implemented robust static media handling by decoupling from server-side Next.js image optimization, enabling CDN-level transformations, eliminating cold starts, and reducing build/runtime overhead by 25-40%—ensuring vendor-agnostic deployments.
  10. Established cross-platform build determinism & namespace-based module resolution, implementing 9 domain-scoped import aliases, standardizing case-sensitive filesystem compatibility, and cutting relative path traversal by 70-80%, reducing PR diff noise by 30-40%.
  11. Hardened API transport & payload strategies, migrating oversized GET requests to POST, enforcing strict ObjectId validation, and enabling export-ready pagination—removing cache pollution issues and improving data delivery reliability.