Profile

Sjaaf Rhisjad Daud Djavatri

Fullstack IT Programmer

Fullstack Developer with experience in building web applications using Node.js, Golang, Next.js, React, and NestJS. Fast learner, adaptable, and passionate about creating reliable, high-quality solutions. Comfortable working on both frontend and backend, collaborating with teams, developing applications and maintaining production-ready systems.

About Me

Passionate, fast-learning, and results-driven Fullstack Developer with strong experience in backend and frontend development using Node.js, Express.js, Golang, Next.js, React.js, Vue.js, and NestJS. Highly ambitious with excellent adaptability, known for taking ownership of complex projects and consistently delivering high-quality software solutions. A strong communicator and collaborative team player with a proven track record in building scalable systems, supporting production APIs, and modernizing deployment workflows using GitHub Actions and AWS.

What I Do

  • Build responsive web applications
  • Design and implement RESTful APIs
  • Develop database solutions
  • Optimize application performance
  • Implement secure authentication systems
  • Collaborate with teams on complex projects

Work Experience

Fullstack Developer

PT. K-Link Nusantara
2023 - Present

Worked on maintaining and improving e-commerce platforms and internal tools by refactoring backend services to enhance performance and reliability. Led the development of a new international application, including an admin dashboard and bonus calculation system. Optimized database queries and built automated data processing using scheduled scripts and ETL workflows. Collaborated closely with data warehouse and business analyst teams to ensure data accuracy, and created technical documentation for data pipelines and processes. Also developed backend messaging services in Golang supporting WhatsApp, Email, Telegram, and other channels.

ReactNode.jsNest.jsNext.jsExpress.jsGolangPostgreSQLMySQLTypescript/JavascriptGitTailwind CSSPrismaTypeORMSequelizePHP

Freelance Developer

Self-employed
2023 - Present

Developed and maintained multiple web applications, implemented new features, and conducted code reviews.

ReactNode.jsNext.jsNest.jsExpress.jsMongoDBPostgreSQLMySQLDockerGitTailwind CSSTypescript/JavascriptRailwayPrismaTypeORMSequelizeDocker

Head of Barista - Supervisor

PT. Roemah Kita Boga
2019 - 2023

Maintaining and improving bar product and stock, and ensuring quality control and customer satisfaction, managing 15+ employees., responsible for purchasing and inventory management.

Highest RevenueLatte Art

Project Experience

DNM Mobile Backend Microservice

K-Link Indonesia

Maintained and optimized backend microservices for the DNM mobile application using Node.js and Express.js to improve system reliability.

Node.jsExpress.js

Warehouse Management System

K-Link Indonesia

Maintained and improved existing management applications using PHP CodeIgniter 3, JQuery, and Microsoft SQL Server. Implemented new features and optimized database queries.

PHP CodeIgniter 3JQueryMicrosoft SQL Server

Shipment Service Backend (V1 & V2)

K-Link Indonesia

Refactored the original Node.js/Sequelize monolithic backend into modular NestJS/Prisma architecture with role-based access, multi-status tracking, and automated scheduling for airwaybill statuses.

NestJSPrismaNode.jsSequelize

Dashboard Shipment Service

K-Link Indonesia

Built an admin dashboard using Next.js, TailwindCSS, and shadcn to monitor shipment logistics, integrating real-time data updates and chart analytics.

Next.jsTailwindCSSshadcn

Sales Management System

K-Link Indonesia

Developed an e-commerce management platform utilizing React.js, TypeScript, Golang, and Chakra UI for distributors to manage sales data, ranks, commission statuses, and downlines.

React.jsTypeScriptGolangChakra UI

Backend Message Service

K-Link Indonesia

Developed a REST API application using Golang and PostgreSQL to handle multi-channel messaging via WhatsApp, Email, and Telegram.

GolangPostgreSQLREST API

EMS Application

Freelance

Engineered a fleet monitoring application for gas trucks utilizing NestJS, Next.js, and PostgreSQL to track vehicle movement, attendance data, and admin management.

NestJSNext.jsPostgreSQL

E-Commerce Lakoe

Dumbways.id

Collaborated in a team using Remix to deliver a high-performance e-commerce platform combining captivating design with advanced functionality to meet customer needs.

Remix

Geospatial LLM Integration Application

Personal Project

Built a fullstack JavaScript application integrating a local LLM with Google Maps APIs to process user queries and visualize structured geographic data.

JavaScriptLLM IntegrationGoogle Maps API

Learning Management System (LMS) Backend

Freelance

Maintained and debugged a Learning Management System backend (dev-innovate.scalastaging.online) built with Express.js and PostgreSQL.

Express.jsPostgreSQL

Twitter/X Clone (Circle)

Dumbways.id

Created a simplified social media clone focused on circle-based posting using React.js, TypeScript, Chakra UI, and PostgreSQL, complete with timeline feeds and local storage persistence.

React.jsTypeScriptChakra UIPostgreSQL

Backend Ticketing Project Service

Freelance

Developed a scalable microservice for a ticketing platform using NestJS, PostgreSQL, and Prisma, handling event creation, ticket purchasing, and QR-code validation logic.

NestJSPostgreSQLPrisma

POS (Point of Sales) Website

Freelance

Developed a frontend POS web application using React.js, TypeScript, and Chakra UI, featuring product listings, a cart system, and an order summary to simulate cashier functionality.

React.jsTypeScriptChakra UI

Event Organizer Landing Page

Freelance

Developed a responsive, SEO-friendly landing page with dynamic routing using React.js, TypeScript, and Chakra UI.

React.jsTypeScriptChakra UI

Personal Portfolio Page

Freelance

Designed a responsive static page using semantic HTML and CSS to showcase personal information, experience, and project links.

Next.jsTailwind CSSTypeScriptshadcn/ui

Data Center Malaysia Frontend (V2)

K-Link Indonesia

Developed and maintained the frontend architecture for the Malaysia data center project, focusing on user details and nexus member management using Vue.js.

React.jsTypescriptChakra UI

Automated Log Management System

K-Link Indonesia

Developed a specialized cron schedule within a Next.js and Prisma environment to automate the deletion of activity logs older than three months.

Next.jsPrismaCron

Cake Stock Management (Warung Sehati)

Freelance

A Stock Management Web Application designed for cake bakery business to monitor stock. Integrated with Telegram Bot for easy access.

Next.jsPrismaTailwind CSSTelegram Bot

Cash Flow Management (Bakery)

Freelance

A Cash Flow Management Web Application designed for bakery business to monitor cash flow.

Next.jsPrismaTailwind CSS

Education

Bootcamp - Full Stack Developer

Dumbways.id

2023

Intensive 20-week program covering modern web development technologies.

Achievements:

Top PerformerPublished 3 projects

Bachelor's Degree in Management

Gunadarma University

2018 - 2019

Unfinished due to financial issues.

High School Diploma

1 High School Kendari

2015 - 2018

Completed with honors.

Achievements:

Art Club PresidentFutsal Team CaptainPassed to College Benefit Program

Skills & Expertise

Hard Skills

JavaScript/TypeScript95%
React & Next.js92%
Node.js, Nest.js, Express95%
Database Design (SQL/NoSQL)92%
REST APIs & GraphQL95%
HTML & CSS/Tailwind94%
Git & Version Control92%
Golang85%

Soft Skills

Problem Solving

Team Collaboration

Communication

Project Management

Adaptability

Attention to Detail

Continuous Learning

Time Management

Critical Thinking

Business Analysis

Loyalty

Let's Connect

Feel free to reach out for collaborations or just a friendly hello

Email

Send me an email anytime

rhisjaddjvtr@gmail.com

WhatsApp

Chat with me instantly

+62 822 9253 5447

Follow Me