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Raihan HafizRH
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Raihan Hafiz

@raihanhafiz

Senior Full-Stack Engineer and Blockchain developer delivering scalable Web3, AI, and full-stack solutions.

Indonesia
Message

What I'm looking for

I seek technical leadership roles building secure, high-performance Web3 and full-stack products with strong engineering culture, cross-functional collaboration, and opportunities to lead teams and architect scalable systems.

I am a Senior Full-Stack Engineer and Blockchain Developer with 10 years of hands-on experience building high-performance web, mobile, AI, and blockchain applications across fintech, marketplaces, gaming, and Web3. I lead end-to-end development from smart-contract engineering and audits to scalable backend systems and polished frontends, delivering secure, reliable, user-centric products and optimized performance improvements.

I have managed cross-functional teams and budgets, executed DevOps and CI/CD strategies, and shipped production-ready smart contracts and DApps. My accomplishments include architecting EVM-based yield farming systems, preventing critical smart-contract vulnerabilities through audits, reducing customer churn via feature enhancements, and improving application performance through caching and database optimization.

Experience

Work history, roles, and key accomplishments

PR
Current

Senior Full-Stack Engineer

Prowlis

Jan 2023 - Present (2 years 11 months)

Managed end-to-end development of an EVM-based yield farming and staking ecosystem, led smart-contract audit cycles and coordinated cross-functional Web3, backend, frontend, and DevOps teams to ensure secure DApp deployments.

FR
Current

Blockchain Developer

Freelance

Jan 2020 - Present (5 years 11 months)

Built and deployed production smart contracts and full Web3 platforms for DeFi, NFT, DAO, staking, and governance use cases and conducted audits that prevented critical vulnerabilities.

WI

Senior Full-Stack Engineer & DevOps Lead

WiraTech

Jan 2020 - Jan 2023 (3 years)

Led a 25-person engineering and UX organization, managed budgets up to $4.5M, and delivered eight feature releases that reduced customer churn by 20% while implementing scalable architectures and CI/CD pipelines.

Education

Degrees, certifications, and relevant coursework

OE

Online Certified Blockchain Expert

Certified Blockchain Expert, Blockchain

2015 - 2016

Completed an online Certified Blockchain Expert program to gain practical knowledge in blockchain development and smart-contract engineering.

UP

Universitas Kristen Petra

Bachelor of Information Technology, Information Technology

2008 - 2014

Grade: GPA 3.8/4.0

Completed a Bachelor of Information Technology with a strong academic record (GPA 3.8/4.0) focusing on information technology fundamentals and application development.

freeCodeCamp logoFR

freeCodeCamp

Full Stack Development Certification, Full Stack Development

Completed Full Stack Development Certification coursework and projects through freeCodeCamp to strengthen web development skills.

Tech stack

Software and tools used professionally

Stream logo

Stream

Google Tag Manager logo

Google Tag Manager

Stripe Billing logo

Stripe Billing

Blockchain logo

Blockchain

AWS Chatbot logo

AWS Chatbot

Chatfuel logo

Chatfuel

Amazon EC2 logo

Amazon EC2

Google Cloud Platform logo

Google Cloud Platform

DigitalOcean logo

DigitalOcean

MongoDB Cloud Manager logo

MongoDB Cloud Manager

GitHub logo

GitHub

GitLab logo

GitLab

GitHub Enterprise logo

GitHub Enterprise

Chat by Stream logo

Chat by Stream

Kubernetes logo

Kubernetes

Cloudflare logo

Cloudflare

Amazon CloudFront logo

Amazon CloudFront

Jenkins logo

Jenkins

GitHub Actions logo

GitHub Actions

GitLab CI logo

GitLab CI

Salesforce logo

Salesforce

React Native logo

React Native

Flutter logo

Flutter

LiveChat logo

LiveChat

Chatwoot logo

Chatwoot

Chatlio logo

Chatlio

Pandas logo

Pandas

MongoDB Compass logo

MongoDB Compass

PostgreSQL logo

PostgreSQL

MongoDB logo

MongoDB

Amazon Route 53 logo

Amazon Route 53

Mailchimp logo

Mailchimp

Gmail logo

Gmail

Freshchat logo

Freshchat

Sentry logo

Sentry

Nextcloud logo

Nextcloud

Vue File Agent logo

Vue File Agent

Google Fonts logo

Google Fonts

Node.js logo

Node.js

Django logo

Django

Laravel logo

Laravel

Android SDK logo

Android SDK

Next.js logo

Next.js

NestJS logo

NestJS

Tailwind CSS logo

Tailwind CSS

Bootstrap logo

Bootstrap

Nuxt.js logo

Nuxt.js

Material-UI logo

Material-UI

Vuetify logo

Vuetify

Bootstrap Vue logo

Bootstrap Vue

Vue CLI logo

Vue CLI

Google Analytics logo

Google Analytics

NextUX logo

NextUX

Slack logo

Slack

Microsoft Teams logo

Microsoft Teams

RocketChat logo

RocketChat

HipChat logo

HipChat

Chatra logo

Chatra

Terraform logo

Terraform

Android Studio logo

Android Studio

PhpStorm logo

PhpStorm

Jira logo

Jira

Vue Router logo

Vue Router

React Helmet logo

React Helmet

Jest logo

Jest

Mocha logo

Mocha

React logo

React

Vue.js logo

Vue.js

jQuery logo

jQuery

Svelte logo

Svelte

Preact logo

Preact

React Query logo

React Query

React-Vue logo

React-Vue

vue-next logo

vue-next

Vue Material logo

Vue Material

JavaScript logo

JavaScript

Python logo

Python

HTML5 logo

HTML5

Java logo

Java

CSS 3 logo

CSS 3

PHP logo

PHP

C# logo

C#

Swift logo

Swift

Go logo

Go

phpPgAdmin logo

phpPgAdmin

PreVue logo

PreVue

TensorFlow logo

TensorFlow

PyTorch logo

PyTorch

Tensorflow Lite logo

Tensorflow Lite

Google Maps logo

Google Maps

HubSpot logo

HubSpot

FastAPI logo

FastAPI

SwiftUI logo

SwiftUI

MongoDB Atlas logo

MongoDB Atlas

MongoLab logo

MongoLab

React Storybook logo

React Storybook

Vue-model logo

Vue-model

Next Release logo

Next Release

Android OS logo

Android OS

Stripe logo

Stripe

PayPal logo

PayPal

phpMyAdmin logo

phpMyAdmin

Amazon RDS for PostgreSQL logo

Amazon RDS for PostgreSQL

PaaS DB PostgreSQL logo

PaaS DB PostgreSQL

Heroku Postgres logo

Heroku Postgres

Azure Database for PostgreSQL logo

Azure Database for PostgreSQL

Google Workspace logo

Google Workspace

Trello logo

Trello

GraphQL logo

GraphQL

Prisma logo

Prisma

Google reCaptcha logo

Google reCaptcha

AWS Lambda logo

AWS Lambda

The Top Chat logo

The Top Chat

Zustand logo

Zustand

vuex logo

vuex

GitHub Pages logo

GitHub Pages

GitLab Pages logo

GitLab Pages

Kafka Streams logo

Kafka Streams

TypeScript logo

TypeScript

React Testing Library logo

React Testing Library

Visual Studio Code logo

Visual Studio Code

GitHub CLI logo

GitHub CLI

Mailgun logo

Mailgun

Amazon Cognito logo

Amazon Cognito

Git logo

Git

Docker logo

Docker

React VR logo

React VR

NGINX logo

NGINX

ReactPHP logo

ReactPHP

Zapier logo

Zapier

Postgres.js logo

Postgres.js

ReactXP logo

ReactXP

DigitalOcean Spaces logo

DigitalOcean Spaces

Cake (C# Make) logo

Cake (C# Make)

ReactNativeEverywhere logo

ReactNativeEverywhere

DigitalOcean Managed MongoDB logo

DigitalOcean Managed MongoDB

VulcanNext logo

VulcanNext

Google BigQuery logo

Google BigQuery

MobX logo

MobX

Amazon Web Services (AWS) logo

Amazon Web Services (AWS)

NetSuite logo

NetSuite

Adobe After Effects logo

Adobe After Effects

Android Jetpack logo

Android Jetpack

Solidity logo

Solidity

Google Ads logo

Google Ads

CakePHP logo

CakePHP

Ethers.js logo

Ethers.js

React Sketch.app logo

React Sketch.app

Integromat logo

Integromat

Gitter logo

Gitter

SwayChat logo

SwayChat

Mongoose logo

Mongoose

React Router logo

React Router

SvelteKit logo

SvelteKit

MLC LLM

Nextflow logo

Nextflow

NextUI logo

NextUI

Web3.js logo

Web3.js

SvelteFlow logo

SvelteFlow

Solana logo

Solana

Nextiva logo

Nextiva

NVIDIA TensorRT-LLM

Tera logo

Tera

LLMWare logo

LLMWare

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Raihan Hafiz - Senior Full-Stack Engineer - Prowlis | Himalayas