Hi,

I'm

Irsyad

Abdul

Designing ScalableBackend Architectures

A Fullstack Engineer with 6+ years of expertise in microservices, cloud-native systems, and modern web architectures. Delivering reliability with a human touch.

Contact Me See Resume

System Design

Backend

Database

Web Design

Fullstack Engineer with 6+ years of experience building scalable web applications, backend services, and distributed systems across banking, enterprise, and SaaS environments. Specialized in Node.js, TypeScript, Golang, and React/Next.js, with strong expertise in microservices architecture, asynchronous processing, caching strategies, API design, and database optimization. Proven ability to deliver reliable, maintainable, and high-performance solutions while collaborating across cross-functional teams.

Work Experiences

Fullstack Engineer

Krom(Jun 2025 - Present)

Cut average API response time by ~75% by implementing Redis caching across banking platform APIs, significantly reducing database query load during peak operational hours.
Improved system isolation and processing reliability by migrating long-running workflows into a dedicated BullMQ consumer service, now handling 2M+ data records per weekday.
Delivered secure, scalable backend services using TypeScript and Express.js, deployed on AWS EKS with S3 for storage and Scalyr for observability.
Improved usability across multiple operational departments by building modern, responsive internal UIs with Next.js and Mantine UI.
Turned operational requirements from product owners and business stakeholders into production-ready features within a cloud-native AWS environment.

Node JS

Typescript

Express JS

PostgreSQL

Redis

React JS

Next JS

Mantine UI

BullMQ

Websocket

AWS EKS

AWS S3

Scalyr

Fullstack Developer

BRI(Jun 2024 - Jun 2025)

Shipped 3 production microservices using Fastify and NestJS, sustaining up to 100 RPS with stable performance under real transaction load.
Improved cross-service integration reliability across corporate banking workflows by building event-driven asynchronous pipelines with RabbitMQ and Redis that decoupled service dependencies.
Significantly reduced processing time compared to prior synchronous implementations by developing and maintaining Golang services for high-throughput background data processing.
Reduced manual intervention across operational processes by automating recurring business tasks with scheduled jobs and background workers.
Accelerated feature delivery across the corporate banking platform by building reusable frontend components with Next.js and Material UI.
Improved overall system performance through code optimization, query tuning, and architectural enhancements.

Node JS

Javascript

Typescript

Fastify JS

Golang

Gin

Next JS

Nest JS

MySQL

RabbitMQ

Redis

Material UI

Backend Developer

Optimap(Aug 2022 - May 2024)

Delivered scalable, maintainable RESTful and GraphQL APIs powering multiple enterprise and web-based applications, with an emphasis on clean code.
Improved application responsiveness across high-traffic endpoints by resolving critical API and database performance bottlenecks through query optimization and Redis caching.
Became the primary technical reference for data modeling decisions by designing and leading database schema design (ERD) for new applications.
Improved code quality and development consistency by conducting code reviews for a 2-person backend team and establishing engineering standards.
Delivered integrated business solutions across diverse client environments by collaborating with frontend engineers, GIS specialists, and project stakeholders

Node JS

TypeScript

Nest JS

Laravel

REST API

GraphQL

PostgreSQL

MySQL

Web Developer

Andaf Corp(Aug 2020 - Aug 2022)

Delivered client-facing websites and digital platforms for the marketing and e-commerce industries using Laravel and MySQL.
Built custom CMS solutions with integrated third-party payment gateways and analytics APIs, and delivered SEO and performance optimizations per client requirements.
Owned end-to-end feature delivery from planning through deployment, working directly with clients to gather requirements and propose technical solutions.

Laravel

PHP

MySQL

Wordpress

Git

Bootstrap