Scalable backend with chat rooms deployed on Azure VM, Docker Compose Setup with Benchmark results using Grafana, k6

Finds bottlenecks in an Express app during load testing

Distributed token-bucket rate limiter in Go — Redis-backed, deployed across 3 Kubernetes replicas, load-tested to 25k+ req/s

A Spring Boot API gateway for shipment tracking with JWT authentication, Bucket4j rate limiting, Redis caching, Elasticsearch search, and Spring AI — featuring RAG-based natural language search, tool-calling chat assistant, and per-user PostgreSQL chat memory.

Spring Boot API demonstrating Cache Stampede mitigation using Redisson Distributed Locks & Redis. Benchmark tested under 1,000 VUs via k6.

K6-Load Testing

High-performance microservices e-commerce platform built with NestJS, RabbitMQ, PostgreSQL (Prisma), Terraform IaC, and Kubernetes (kubeadm) benchmarked to 500 VUs on AWS.

System design for a twitter clone with stress test and basic CRUD apply

Grafana k6 load testing demo covering all standard test types against a .NET API

Research Methods and Group Project in Cloud Computing - CSC8113, Newcastle University

Self-healing AWS infrastructure 1000 concurrent users, 1268 req/s, 0% error rate. ALB + Auto Scaling + Terraform + GitHub Actions.

A containerized lab to build, scale, benchmark, and observe a 1M-RPS-capable architecture using Fastify, HAProxy, Redis, Prometheus, Grafana, and k6.

⚡ k6 performance testing suite for the Daily Finance & DemoQA BookStore APIs — an authenticated user-lookup flow with per-endpoint thresholds, plus a ramping 0→25 VU load test. Tagged requests, validation checks & auto-generated HTML reports. All thresholds passing ✅

k6 + TypeScript performance tests for an HR app — end-to-end leave journey under load with per-endpoint SLA thresholds

Gherkin BDD test runner and summary reporter for Grafana k6.

Este repositório reúne cenários de testes de performance construídos com K6 para validar comportamento, estabilidade e limites da Fake Store API sob diferentes condições de carga.

Event-driven log processing pipeline that redacts sensitive data, detects critical failures, and guarantees fault-tolerant processing.

Event-driven microservices for e-commerce order processing: Kafka event bus, idempotent consumers, Redis/BullMQ async jobs, saga-style order lifecycle, Dockerized with k6 load testing

background job queue system -Implementation of horizontal scaling