Talha Zafar

Sole infrastructure owner: bare-metal Ubuntu 22.04, 4× NVIDIA Tesla V100 GPU cluster, K3s Kubernetes, 8+ LXD containers — 99.8% uptime. Designed K3s architecture: nginx ingress, cert-manager TLS, CoreDNS, GPU passthrough. HashiCorp Vault (GDPR-compliant secrets). Security: iptables, fail2ban, SAST/DAST CI/CD — SonarQube, Trivy, Gitleaks. Zabbix monitoring, 15+ components. vLLM inference: Qwen2.5-Coder-32B, FastAPI load-balancing router

Microservices backend for AI agent platform: 10,000+ daily API requests, sub-100ms P95 latency (FastAPI + asyncio). gRPC across 6 services — 40% overhead reduction vs REST. Redis job queuing + caching — 60% DB read reduction. LLM inference: vLLM on 4× Tesla V100, FastAPI load-balancing router. OWASP Top 10, ABE encryption, ECDH, HMAC auth. Stripe payment hardening — zero fraud post-deployment. Python SDK for LLM API.

Built RESTful APIs (Django REST Framework, NestJS) for SaaS products with 50,000+ registered users. PostgreSQL schema design: row-level security, optimised indexing — 35% query time reduction. MongoDB (Beanie ODM) for 500,000+ daily analytics events. Integrated Stripe, Firebase, OAuth2. Nginx reverse proxy, SSL, systemd on Linux VPS. Docker + Docker Compose for dev/staging. Agile sprint delivery.

B.Sc. Computer Science — FAST-NUCES, one of Pakistan's top-ranked CS programs. Relevant coursework: Data Structures & Algorithms, Operating Systems, Computer Networks, Distributed Systems, Cybersecurity. Strong foundation in systems programming, networking, and software engineering principles directly applied in production DevOps and backend engineering roles.