Riyaz Sayyad — Portfolio / 2026

PERCEIVE.DESIGN.DEVELOP.

Backend Engineer focused on reliability, observability, performance optimization, and AI-assisted developer tooling.

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(01) — Manifesto

AI can write code.Engineers makedecisions.

I build workflowsand systems thatexpect change.

(02) — Expertise

The Stack & Tools

01Backend

Java

Core Java, Spring Boot, Hibernate, JPA, concurrent systems and enterprise backend architecture.

02Optimization

Databases

Query profiling, execution plans, index tuning, N+1 elimination and SQL performance engineering.

03Engineering

Performance

Redis optimization, latency reduction, cache behavior analysis and production bottleneck investigation.

04Cloud

AWS

CloudWatch, API Gateway, Secrets Manager, SQS and distributed application infrastructure.

05Async Systems

Messaging

JMS, ActiveMQ and Kafka fundamentals for asynchronous processing and event-driven workflows.

06Operations

Observability

ELK Stack, CloudWatch, distributed tracing, correlation IDs and production diagnostics.

07Diagnostics

Profiling

JProfiler, Dynatrace, JVM analysis, memory investigations and thread-level debugging.

08Tooling

Automation

Python-based workflow automation, developer productivity tools and operational reliability scripts.

09Workflows

AI Tooling

AI-assisted workflows built with Mistral, Ollama, LlamaIndex and n8n to automate repetitive tasks and improve developer productivity.

10Architecture

System Design

Distributed systems, scalability, resiliency patterns and backend service architecture.

(03) — Selected Work