Senior Software Engineer · Technical Lead · JoulesLabs · Bangladesh
Abdullah Al Mamun
I design and scale distributed systems for high-throughput platforms. Six years building ad-tech infrastructure, leading engineering teams, and driving technical strategy at JoulesLabs.
6
Years experience
50k+
RPS systems built
12
Services instrumented
3
Teams led
Tech Stack
Full background →Certifications
AWS Certified Solutions Architect
Amazon Web Services · Associate
Expected 2026
AWS Certified Developer
Amazon Web Services · Associate
Expected 2026
Writing by Topic
All writing →System design decisions, trade-off analysis, and architectural patterns from real production systems.
Latest: Designing Budget Pacing in CPM Ad Systems
Technical leadership, team dynamics, RFC writing, and driving engineering culture at scale.
Latest: RFC Writing as a Staff Engineer
Consistency, availability, failure modes, and the hard problems of building systems that span machines.
Latest: Distributed Locking: Redis vs etcd
The engineering behind programmatic advertising — real-time bidding, budget pacing, and high-throughput serving.
Latest: Building an OpenRTB-Compliant Ad Exchange
Featured Work
All work →Redesigning an Ad Server for 50k RPS
2024A legacy PHP ad server was failing under load — 8k RPS ceiling, 120ms p99 latency, and unreliable budget pacing causing 4%+ over-delivery. The business needed 6x throughput headroom within 6 months.