Hi, I’m Arista Indrajaya, a software developer focusing on Web3, API design, and secure cloud-based tooling. I enjoy turning complex requirements into scalable solutions that help users mint artwork on the blockchain and streamline operations with robust APIs. I’ve mentored dozens of developers in JavaScript, led cross-functional teams, and built systems that cut costs and improved data accuracy. I’m always excited to explore how Web3, AI, and cloud services can power practical, user-friendly software.…

Arista Indrajaya

5.0 (1 review)

Hi, I’m Arista Indrajaya, a software developer focusing on Web3, API design, and secure cloud-based tooling. I enjoy turning complex requirements into scalable solutions that help users mint artwork on the blockchain and streamline operations with robust APIs. I’ve mentored dozens of developers in JavaScript, led cross-functional teams, and built systems that cut costs and improved data accuracy. I’m always excited to explore how Web3, AI, and cloud services can power practical, user-friendly software.…

Available to hire

Hi, I’m Arista Indrajaya, a software developer focusing on Web3, API design, and secure cloud-based tooling. I enjoy turning complex requirements into scalable solutions that help users mint artwork on the blockchain and streamline operations with robust APIs.

I’ve mentored dozens of developers in JavaScript, led cross-functional teams, and built systems that cut costs and improved data accuracy. I’m always excited to explore how Web3, AI, and cloud services can power practical, user-friendly software.

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Skills

Experience Level

HTML5
Expert
CSS
Expert
JavaScript
Expert
AWS
Expert
GitHub
Expert
Node.js
Expert
React JS
Expert
Ethereum
Expert
API
Expert
Express
Expert
Web3
Expert
Solidity
Intermediate
PHP
Intermediate
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Language

Indonesian
Fluent
English
Advanced

Work Experience

Freelance Software Developer at Upwork
January 1, 2025 - October 31, 2025
Specialization: Smart contract security and API documentation. Built a smart contract audit lab on AWS, enhancing team capabilities in security assessment. Successfully migrated API documentation from ReadMe.io to Mintlify, ensuring clarity and user-friendliness. Impact: applied domain expertise to improve security and documentation processes across projects.
Software Developer at Penateam / MrScraper
December 1, 2024 - December 1, 2024
Led diverse client projects (game NFTs, voice recognition, property development). Ensured seamless API integration across ecosystems. Improved Penateam's website with coding standards. Enhanced PHP and Node.js in web scraping with MrScraper. Engineered advanced scraping strategies for data capture. AWS & AI optimization: implemented AWS Lambda and AI agents, boosting performance and data accuracy.
Software Developer at RW ID (Project Artopologi)
March 1, 2023 - March 1, 2023
Led the Web3 integration with MetaMask for minting, transferring, and listing artwork, driving a 20% daily growth within users. Built an API using NodeJS to deliver blockchain transaction history to the server, reducing operational costs by 5-7% for over 50 artist users since November 2022. Advised on blockchain technologies and tools like IPFS, MetaMask, and Web3.js to improve user experience and platform performance.
Frontend Facilitator at Binar Academy
August 1, 2022 - August 1, 2022
Mentored 58 aspiring frontend developers, helping 85% of them successfully enter the IT industry, mainly in ReactJS development. Industry Mentor for Kampus Merdeka 2022, mentoring 25 students across Indonesia, achieving an 80% graduation rate in frontend development with ReactJS.
Blockchain Developer at IGrowChain
July 1, 2020 - July 1, 2020
Led the development of a blockchain system for iGrow Chain using Ethereum and ERC-20 tokenization, reducing intermediaries by 20% and cutting costs. Also helped the platform secure a P2P lending license in Indonesia.

Education

Add your educational history here.

Qualifications

Workshop Office Trainer (SMP) - Al-Hikam, Bangkalan, East Java, Indonesia
January 1, 2015 - October 31, 2025
MikroTik MTCNA Certificate
January 11, 2030 - October 31, 2025
TOEFL ITP Score 480
January 11, 2030 - October 31, 2025

Industry Experience

Software & Internet, Education, Gaming, Media & Entertainment, Professional Services
    paper # ChainX - Smart Contract Security Scanner (AI Risk Assessment)

    Role: Software Engineer (API Dev, UI, Docs, Server Config)

    Project Description:
    Deploy smarter, safer smart contracts. Offering a robust static analysis SaaS designed for Web3/DeFi teams, ChainX empowers you to catch vulnerabilities in Solidity code before deployment. Powered by Node.js and Express, our engine utilises both advanced static analysis and AI-based enhancements (Deepseek, Qwen, Gemini models) to identify and explain risks—making enterprise-level security accessible to all.

    Skills and Deliverables:

    • Node.js
    • Cloud Services
    • API Documentation
    • JavaScript
    • API Development
    paper Artopologi - Art based NFT Marketplace
    Artopologi, an art platform, was challenged to establish trust and authenticity for physical artworks linked to NFTs. Traditional COAs were prone to forgery, creating a barrier for artists and collectors. As a blockchain consultant and developer, I designed and implemented a solution using blockchain technology and NFTs as immutable COAs. This enhanced the platform's credibility, providing artists with greater control and collectors with confidence in the authenticity of their acquisitions.…