Sameer Ahmed | Backend Systems Engineer

Sameer Ahmed

Building fault-tolerant distributed systems and high-throughput microservices.

featured projects

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Go Raft Consensus Distributed Systems RPC

Engineered a fault-tolerant distributed system in Go implementing Raft Leader Election and Log Replication.
Implemented disk-based Write-Ahead Logging (WAL) for ACID compliance and state recovery.
Designed a custom RPC transport layer handling network partitions in a 3-node cluster.

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Go gRPC PostgreSQL Concurrency

Architected a pipeline handling 10k+ writes/sec using Go buffered channels and worker pools.
Implemented Graceful Shutdown patterns to ensure zero data loss during deployments.
Integrated Prometheus & Grafana to monitor Goroutine saturation and batch latency.

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C++ Networking Epoll System Design

Developed a non-blocking Layer 7 load balancer using C++ epoll for high concurrency.
Implemented Active Health Checking to cordon unhealthy backend instances.
Optimized traffic distribution using a weighted Round-Robin algorithm.

research

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C FUSE Systems Security Published Preprint

Research Paper: Authored technical paper on real-time ransomware detection using entropy analysis in user-space file systems.
Performance Engineering: Engineered high-performance C-based FUSE driver achieving 12,400 IOPS in stress tests — 6.2x faster than Python prototypes.
JIT Backup System: Implemented "Just-in-Time" backup mechanism reducing storage overhead by 90% for read-heavy workloads.
Zero False Positives: Integrated Deep Content Inspection (libmagic) to eliminate evasion vectors, achieving 0% false positives on 1,000 system binaries.

professional experience

Backend Intern

Python Modular Design Security Automation Team Collaboration

Collaborative Systems Development: Co-engineered a modular Python-based security suite with a 5-person team for enterprise network infrastructure validation and vulnerability assessment.
Modular Architecture: Developed decoupled scanning modules acting as wrappers for Nmap and Metasploit, creating a standardized interface for the broader Network Vulnerability Analysis System.
Automated Reporting: Engineered the log processing subsystem that normalizes raw scan data into structured threat reports, reducing manual auditing time by 70%.

technical skills

C++ (primary), Go, Python, SQL

gRPC, REST APIs, Kafka, Docker, PostgreSQL, Redis

Distributed Consensus (Raft), Concurrency Patterns, Memory Safety, System Design

education

Expected Graduation: 2027 · Islamabad, Pakistan

Focus: High-Performance Computing and Systems Architecture

Relevant Coursework: Operating Systems, Computer Networks, Database Systems, Distributed Computing, Advanced Algorithms

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