Adnan Ahmed

About

I specialize in distributed systems, cloud infrastructure, and turning technical challenges into elegant solutions. Whether it's optimizing performance bottlenecks, architecting microservices, or mentoring engineers, I focus on sustainable engineering practices that deliver real impact. Currently working with Kubernetes, AWS, and event-driven architectures. Always happy to connect with fellow engineers and discuss system design, observability, or the latest in cloud-native tech. Let's build something great together.

Experience

• Senior Software Engineer (Backend & Platform) · HackOnTech04-01-2023 –

  Internal B2B/G2G platforms for international NGOs; Scale: 50k–100k DAU, 500–800 RPS peak, 99.9% availability target. • Decomposed a monolith into 6 Docker/EKS microservices, cutting deploy time from hours to minutes with zero-downtime releases. • Instrumented Jaeger tracing and Prometheus/Grafana dashboards to cut MTTR from ~45 minutes to under 10 by isolating cross-service latency. • Implemented Temporal workflows with idempotency/compensation to cut failed cross-service ops ~80% (150/day to <30). • Reduced payment failures from ~5% to 2% by rebuilding retries and rollbacks in AWS Step Functions. • Reduced core query latency from 30s+ to under 1s through indexing, connection pooling, and service decomposition (Postgres/Redis). • Built GitHub Actions + ArgoCD CI/CD with security gates and canary/blue-green releases, supporting 99.9% availability. • Reduced AWS spend ~25% via EKS node rightsizing, autoscaling threshold tuning, and spot for non-prod without SLO impact. • Stabilized 500–800 RPS burst windows with rate limiting, queue-based smoothing, and graceful degradation.

• Mentee · ACM, Association for Computing Machinery10-01-2021 – 12-01-2021

  I have joined SIGPLAN-M research mentorship programme to work closely with researchers in area of functional programming and programming language research. We focus especially on Formal Methods and their application.

• Backend Developer · Creative IT Park02-01-2021 – 03-01-2023

  • Delivered backend services for School Management System, Rawalpindi Women University, and Capital Development Authority portal, building APIs and database workflows. • Cut search latency by eliminating N+1 queries and introducing aggregated queries with Elasticsearch + Redis caching. • Maintained notification delivery during downstream failures by implementing a Kafka-based pipeline with retries and circuit breakers. • Prevented traffic to degraded pods by operating Kubernetes/Helm deployments with readiness probes and health gating.

• Node.js Web Application Developer · Geek Genix LLC.12-01-2020 – 01-01-2021

  I played a pivotal role in enhancing the backend of a Hospital Management System, focusing on performance and reliability. • Integrated Stripe for secure payments and connected endpoints seamlessly with a React frontend • Collaborated with frontend developers to refine REST APIs for optimal communication. • Strengthened system security through Passport.js authentication and Jest-based unit testing. • Leveraged Express.js and MongoDB to design APIs that supported dynamic customer workflows.

Education

• PMAS Arid Agriculture University, RawalpindiBS, Computer Science

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