Mohamed Mahrous Amer — Tech Lead
5+ years building fintech products · scalable microservices · payments at scale
mahrous-amer.com · LinkedIn · Stack Overflow · Credly · Email
Tech Lead @ BSE — Business Systems Engineering in Cairo, EG. Lead a team of 5 across 3 concurrent enterprise .NET Core / SQL Server projects for clients in Egypt, Saudi Arabia, and Libya.
Previously Senior Software Engineer @ Deriv (Cyberjaya, MY) — tech-led a 5-person cross-functional team owning 20 event-driven microservices, 5 production databases, and 3 production servers processing millions of payment transactions per month on Amazon EKS.
I build scalable microservices, payment-processing pipelines, and high-availability databases — keeping things PCI-DSS / GDPR compliant in fast-paced, regulated environments.
| Tier | Tools |
|---|---|
| Core | Go · Perl · Python · PL/pgSQL · T-SQL · Bash · AWS (EKS, CloudFormation) · Kubernetes · Docker · Redis · Datadog · C# .NET Core |
| Proficient | Node.js · Chef · TypeScript · OpenAPI · JWT / OAuth 2.0 · GCP BigQuery · Terraform · Vault · Metabase · LaTeX |
| Familiar | Rust · C++ · C · Lua · WebGPU · Three.js |
| Domain | Fintech · Payment Systems · Microservices · Event-Driven · High Availability · PCI-DSS · GDPR |
- Redis Certified: Associate Software Operator — 2026
- AWS Certified Solutions Architect — Professional — in progress
- O'Reilly verified badges (11 total) — AWS Security Deep Dive (Advanced), Microservice Communication Styles & Patterns, Writing Better SQL, Go Fundamentals, Expert TLS (Advanced), Technical Presentations, and more
- notifyd — Multi-tenant notification delivery service. REST API routes sends to Discord, Telegram, and WhatsApp via a Redis-backed queue (Asynq) with exponential-backoff retries and a dead-letter queue; PostgreSQL persists tenants, channels, notifications, and a full delivery-attempt audit log. Ships as separate API / worker / admin-bot binaries in multi-stage Docker images.
Go · PostgreSQL · Redis · Docker · JWT - EmailSentinel — Serverless email monitoring and alerting system, provisioned end-to-end as Terraform IaC, to detect anomalies, phishing attempts, and compliance risks in enterprise environments in real time.
AWS Lambda · SQS · DynamoDB · Terraform - marketpulse — Terminal-first CLI for real-time stock market data, designed to be pipeable and scriptable alongside
gh,kubectl, andjq. Built on Cobra/Viper with race-tested commands and structuredsloglogging.Go · Cobra · Viper · Alpha Vantage API · Docker - 3D_wave — WebGPU-based ocean for Three.js: GPU-computed wave field for small-scale chop, Gerstner-wave overlay for steerable swell, and a CPU-side
getHeightAt()query for buoyancy.TypeScript · Three.js · WebGPU - Graphical Authentication (FYP) — Web auth resistant to shoulder-surfing, brute-force, dictionary, and CSRF attacks. Published at ICITS2021 & F1000Research.
Python · Django · PostgreSQL
Built with conviction.