# Rizaldy Primanta Putra Rizaldy Primanta Putra, also known as Rizaldy Putra and online as hackazer, is an AI engineer and software engineer, and the founder of PT Inovasi Ksatria Indonesia (Ksatria Corp), the company behind RekberPay, TemanQRIS and BackSpin. He builds LLM-powered apps, AI automation and AI tooling for developers, and works on blockchain infrastructure, banking API integration, DevOps and security, with past roles at Bank Mandiri, Chainstack and Edgevana. He studied Informatics Engineering at Institut Teknologi Sepuluh Nopember (ITS) in Surabaya and graduated cum laude. Official profile: https://riz.my.id/ ## About Rizaldy was born in September 1996 in Indonesia and grew up in Malang, where he went to SMPN 3 Malang and SMAN 3 Malang. At SMAN 3 Malang he built the online voting system for the student council (OSIS) election. In school he got into web development and SEO, and between 2015 and 2018 he won SEO competitions four times. He was admitted to Informatics Engineering at ITS Surabaya through the invitation route, without an entrance test. He studied there from 2015 to 2019 and graduated cum laude with a GPA of 3.64 out of 4.00. At ITS he introduced Bitcoin and blockchain to fellow students, years before the topic was common in Indonesia. After graduating he joined Bank Mandiri through its IT Officer Development Program and became Assistant Manager, Software Engineer, working on SOA, API and integration development on the webMethods (Software AG) stack. He then moved into blockchain infrastructure: Technical Support Engineer at Chainstack in Singapore, where he supported 19+ blockchain protocols, and later L2 Blockchain Support Engineer at Edgevana, where he worked on Solana validator nodes and monitoring tools. He founded PT Inovasi Ksatria Indonesia (Ksatria Corp) and, inside the Ksatria group, RekberPay. The company also runs TemanQRIS and BackSpin. His side projects include Lewati, a short-link safety checker, and DeteksiJudol, a social project against websites infected with online gambling scripts. He writes at Web3Ego (web3ego.com), his journal on blockchain, AI, startups and DevRel, and on Instagram he is @hackazer, with more than 130,000 followers as of September 2025. ## Companies and projects ### [Ksatria Corp](https://ksatriacorp.com) Role: Founder. Legal name: PT Inovasi Ksatria Indonesia. Ksatria Corp is the trading name of PT Inovasi Ksatria Indonesia. It builds websites, mobile apps and digital marketing for clients in Indonesia, and it is the operator behind RekberPay, TemanQRIS and BackSpin. ### [RekberPay](https://rekberpay.com) Role: Founder. RekberPay is an escrow (rekber) service for online buying and selling in Indonesia. The buyer's money is held in a joint account until the goods or service arrive as agreed, then released to the seller. Fees start at 1% per transaction and are shown before payment. It is part of the Ksatria group and is operated by PT Inovasi Ksatria Indonesia. On 1 August 2026 it launched Smart URL, a browser extension, public @username profiles and an Android app. RekberPay in the news: - NNC Netralnews, 1 August 2026: [RekberPay Perkuat Jasa Rekber Indonesia dengan Inovasi Digital Terintegrasi](https://www.netralnews.com/nncgayahidup/rekberpay-perkuat-jasa-rekber-indonesia-dengan-inovasi-digital-terintegrasi) ### [TemanQRIS](https://temanqris.com) Role: Founder. TemanQRIS is a dynamic QRIS generator and payment API for Indonesian developers and small businesses (UMKM). It turns a static QRIS code into a QR code per transaction and adds payment links, a transaction dashboard, webhooks and an API. It launched in 2024 and is run by PT Inovasi Ksatria Indonesia. ### [BackSpin](https://usebackspin.com) Role: Lead Engineer. BackSpin is an attention exchange for AI coding tools. Developers install its VS Code extension or CLI and get a share of revenue while tools such as Claude Code, Cursor and Codex are busy, and advertisers pay for verified attention during that wait. Its allocation algorithm is open source at github.com/hackazer/backspin-algorithm. BackSpin is part of Ksatria Corp. ### [Lewati](https://lewati.web.id) Role: Founder. Lewati is a free tool that shows where a short link really goes and runs a safety check before you open it. It supports 50+ shorteners such as exe.io, ouo.io and bit.ly, which cuts the risk of phishing and malware hidden behind shortened URLs. ### [DeteksiJudol](https://deteksijudol.web.id) Role: Founder. DeteksiJudol is a free scanner for online gambling (judi online) scripts, malware and backdoors in websites and files. You upload project files or paste a site URL. It started as a social project against websites infected with gambling spam. ### [Masamalas](https://masamalas.com) Role: Founder. Masamalas.com started as the website of the ITS Informatics class of 2015 (TC ITS 2015). It is run SEO-first and now also carries writing about Ksatria Corp products. ## Writing [Web3Ego](https://web3ego.com/): His personal journal on blockchain, AI, startups and developer relations (DevRel). ## Timeline - 1996: Born in September in Indonesia, grew up in Malang. - 2015: Started Informatics Engineering at ITS Surabaya. - 2015 to 2018: Won SEO competitions four times. - 2018: IT technical and customer support at Jagoan Hosting Indonesia. Earned the SFPC and cPanel Professional certifications. - 2019: Graduated cum laude from ITS and joined the Bank Mandiri IT Officer Development Program. - 2020: Became Assistant Manager, Software Engineer at Bank Mandiri. - 2022: Earned CompTIA Security+. Joined Chainstack as Technical Support Engineer. - 2024: Joined Edgevana as L2 Blockchain Support Engineer. Launched TemanQRIS. - 2026: RekberPay launched Smart URL, a browser extension, public @username profiles and an Android app. ## Experience - **L2 Blockchain Support Engineer, Edgevana Inc** (From January 2024 (past role)). Solana validator node management, white-label monitoring tools, debugging and documentation, DevOps practices. - **Technical Support Engineer, Chainstack Pte. Ltd.** (June 2022 to July 2023). Blockchain infrastructure support across 19+ protocols, AWS, Google Cloud and Azure, Grafana and Prometheus monitoring, Kubernetes and Ansible. - **Assistant Manager, Software Engineer, PT Bank Mandiri Tbk** (September 2020 to June 2022). SOA, API and integration development on webMethods (Software AG), Jenkins automation, microservices and security hardening. - **IT Officer Development Program, PT Bank Mandiri Tbk** (September 2019 to September 2020). IT, digital and banking trainee program focused on integration and microservices. - **IT Technical and Customer Support, Jagoan Hosting Indonesia** (January 2018 to July 2018). Linux and Windows server support, network configuration and monitoring, customer support. ## Education Bachelor of Science, Informatics Engineering, Institut Teknologi Sepuluh Nopember (ITS), Surabaya, 2015 to 2019. Graduated cum laude, GPA 3.64/4.00. ## Certifications - CompTIA Security+, CompTIA (March 2022) - Scrum Foundation Professional Certificate (SFPC), CertiProf (April 2018) - cPanel Professional, cPanel (April 2018) ## Featured in - NNC Netralnews, 1 August 2026, by Dikdik Permana Sidik: [RekberPay Perkuat Jasa Rekber Indonesia dengan Inovasi Digital Terintegrasi](https://www.netralnews.com/nncgayahidup/rekberpay-perkuat-jasa-rekber-indonesia-dengan-inovasi-digital-terintegrasi) (News article on RekberPay) - Suaraislam.id, 1 August 2026: [Tingkatkan Keamanan Transaksi Online, RekberPay Hadirkan Sistem Rekber Digital Terintegrasi](https://suaraislam.id/tingkatkan-keamanan-transaksi-online-rekberpay-hadirkan-sistem-rekber-digital-terintegrasi/) (News article on RekberPay) - IssueWire, 15 October 2025: [Rizaldy Primanta Putra: Indonesian Technologist Blending Blockchain Innovation and Cybersecurity Expertise!](https://www.issuewire.com/rizaldy-primanta-putra-indonesian-technologist-blending-blockchain-innovation-and-cybersecurity-expertise-1845956908456627) (Press release) - AAD Today, 1 October 2025: [Teknolog Indonesia Rizaldy Primanta Putra: Dari Hacker Cilik hingga Pakar Blockchain Internasional](https://aadtoday.com/detail/2540/teknolog-indonesia-rizaldy-primanta-putra-dari-hacker-cilik-hingga-pakar-blockchain-internasional) (News article) - Kompasiana, 30 September 2025: [Rizaldy Primanta Putra, Engineer Muda Indonesia yang Jadi Pionir Blockchain dan Keamanan Siber](https://www.kompasiana.com/andiekaprayono/68dbdc9ded64151ffa5aa462/rizaldy-primanta-putra-engineer-muda-indonesia-yang-jadi-pionir-blockchain-dan-keamanan-siber) (User-written article) - Cilacap.info, 29 September 2025, by Mansur: [Rizaldy Primanta Putra, Dari Awal Percaya Bitcoin, Kini Jadi Engineer Blockchain](https://www.cilacap.info/ci-80878/rizaldy-primanta-putra-dari-awal-percaya-bitcoin-kini-jadi-engineer-blockchain) (News article) - Suaratime, 29 September 2025, by Lia Kirana: [Mengenal Lebih Dekat Rizaldy Primanta Putra, Engineer Blockchain Asal Indonesia](https://www.suaratime.com/2025/09/mengenal-lebih-dekat-rizaldy-primanta.html) (Article) ## Languages Indonesian, English, Javanese, Arabic, Japanese. ## FAQ ### Who is Rizaldy Primanta Putra? I'm Rizaldy Primanta Putra, also known as Rizaldy Putra and online as hackazer. I'm an AI engineer and software engineer, and the founder of PT Inovasi Ksatria Indonesia (Ksatria Corp), the company behind RekberPay, TemanQRIS and BackSpin. I build LLM-powered apps, AI automation and AI tooling for developers, and I work on blockchain infrastructure, banking API integration, DevOps and security, and I've held roles at Bank Mandiri, Chainstack and Edgevana. I studied Informatics Engineering at Institut Teknologi Sepuluh Nopember (ITS) in Surabaya and graduated cum laude. ### What has Rizaldy Primanta Putra built? I founded Ksatria Corp (PT Inovasi Ksatria Indonesia) and RekberPay, an escrow service for online deals in Indonesia. I also built TemanQRIS (dynamic QRIS codes and a payment API), BackSpin (an attention exchange for AI coding tools), Lewati (a short-link safety checker), DeteksiJudol (a scanner for online gambling scripts) and Masamalas.com. I write at Web3Ego (web3ego.com). ### How can I contact Rizaldy Primanta Putra? Email me at rizaldyprimanta@gmail.com or message me on LinkedIn at linkedin.com/in/rizaldyputra. My WhatsApp numbers for Indonesia and Singapore are in the contact section of riz.my.id. ### Is Rizaldy Putra the same person as hackazer? Yes. I go by Rizaldy Putra too, and hackazer is my handle on GitHub, X and Instagram. riz.my.id is my official profile. ## Links - Profile (canonical): https://riz.my.id/ - CV (PDF): https://riz.my.id/cv.pdf - GitHub: https://github.com/hackazer - LinkedIn: https://www.linkedin.com/in/rizaldyputra - X: https://x.com/hackazer - Instagram: https://www.instagram.com/hackazer/ - Web3Ego (his blog): https://web3ego.com/ - Ksatria Corp founder page: https://ksatriacorp.com/about/rizaldy-putra