Full Stack Developer based in Karachi, Pakistan with 4+ years of experience building high-throughput, distributed backend systems. I work primarily in the Java ecosystem — Spring Boot, Apache Kafka, Redis, and AWS — with a focus on scalable architecture, event-driven design, and system reliability. Stanford Code in Place Section Leader (2025). Excellence Award recipient at Simpaisa. 3× Employee of the Month at Speridian Technologies.
Full Stack Developer — Simpaisa (May 2025 – Present)
- Designed a Redis-based distributed locking mechanism across Kafka consumers — reduced duplicate processing and race conditions by 90% during async remittance workflows
- Implemented a token bucket rate-limiting system for regional switches with varying TPS limits — prevented 100% of TPS breach incidents, state persisted in Redis hashes
- Configured multi-partition Kafka topics with optimized batch sizes and manual offset commits — improved message processing reliability by 35% under peak load
- Migrated thread-intensive architecture to an event-driven model using CompletableFuture and pub/sub messaging — 40% lower thread utilization, improved latency consistency
- Built a centralized AWS CodeArtifact library for shared DTOs, mappers, and entities — reduced code duplication by 30% across microservices
Software Engineer — Speridian Technologies (Dec 2023 – May 2025)
- Built a secure banking login service with Spring Session enforcing single active sessions — reduced concurrent-session security incidents by 90%
- Implemented crash and warning alerting with Grafana, Prometheus, and Promtail — automated notifications via Google Spaces and email, cut incident response time by 40%
- Developed a reusable Tomcat security library enforcing missing HTTP security headers — achieved 100% compliance with the bank's InfoSec standards, eliminated recurring audit findings
Software Engineer — Indus Valley Labs (Oct 2022 – Dec 2023)
- Integrated Braintree payment gateway for Property Onion (USA) — processed 500+ transactions with recurring billing across multiple membership tiers
- Implemented Auth0 RBAC for the admin panel securing 12+ administrators with granular role-based permissions
- Automated email and SMS notifications with Spring Boot Scheduler — sending 12,000+ property listing alerts based on saved user search preferences
Core
Data
Cloud & Observability
Section Leader — Code in Place, Stanford University (Apr – Jun 2025) Mentored 15 students through foundational programming concepts, guiding them to build confidence and problem-solving skills.
Vice Chairperson — IEEE Sir Syed University Student Branch (Apr 2022 – Feb 2023) Managed 25+ branch activities and engaged 50+ members in technical development.
B.S. Software Engineering — Sir Syed University of Engineering and Technology, Karachi (2019–2023 · CGPA: 3.05)