Muhammad Arief Rahman

• Work directly with the CEO, CTO, and Head of Product & Technology, shaping PRDs and technical designs while leading features from design through implementation.
• Spearheaded and personally built a construction-industry AI agent product line with OpenClaw and Ruby on Rails. It generates bid insights, extracts quantities from construction drawings, and supports custom agent workflows.
• Designed AWS EC2 multi-container provisioning and a Stripe-integrated onboarding flow. The product signs about three new customers per month at roughly $5K per month each, reaching $15K in monthly new contract value and $100K+ in total contract value.
• Improved company-wide CI/CD, saving about 40 minutes per engineer each day and reclaiming 13+ engineering hours daily across a team of about 20.
• Lead 8 to 10 engineers through one-on-ones and feature delivery across a dozen clients, representing about $400K in annual value, and established the company's first formal performance review process.

Joined as Technical Lead Manager to build construction-focused AI agent products and lead engineering delivery from product design through launch.

• Reduced platform errors by 8 million per month in a high-scale TypeScript codebase containing about 5 million lines.
• Led adoption of automated feature testing with Playwright, TypeScript, and GitLab CI/CD, saving developers more than 40 minutes each day.

Joined Paystone as an individual contributor on a high-scale TypeScript platform, focusing on reliability and automated feature testing.

• Led development of Indonesia's first centralized career platform for about 500,000 lecturers, helping around 100,000 advance their careers and promotions.
• Led a lecturer promotions platform for about 10,000 users, enabling salary adjustments while meeting state regulations.
• Delivered the platform with Laravel, React, and Kubernetes, with about 80% API test coverage.

• Led integration of nationwide student and teacher platforms with Google Workspace, improving services used by about 58 million people across Indonesia.
• Cut synchronization time from 7 days to 4 hours using Go, PostgreSQL, Redis, and Google Pub/Sub.

Joined as Lead Software Engineer, building nationwide education systems and lecturer career platforms.

• Optimized cloud costs and recalibrated fraud rules with product and stakeholder teams, contributing to about Rp1.4 billion in annual savings.
• Led a reusable KYC domain using Go, PostgreSQL, Kubernetes, and Azure OCR and liveness checks, enabling identity verification for 50,000 sellers within three months for a new market launch.
• Built phishing prevention with BigQuery and Go, processing millions of data points daily and saving tens of millions of Rupiah each month.
• Mentored QA, mobile, and frontend engineers into full-stack contributors within three months, improving cross-team delivery.

Moved into technical leadership for trust, fraud, and core communication systems after leading backend engineering teams.

• Managed seller transaction flows for acceptance, delivery, refunds, and remittances, with monitoring for about 6 million daily remittance transactions.
• Built a seller scoring system in Go and MongoDB that became a key part of the Super Seller feature and generated about Rp1 billion in 2020.
• Built phishing prevention with data scientists using BigQuery and Go, processing millions of data points daily and saving tens of millions of Rupiah monthly.

• Built product policy detection that banned millions of non-compliant products each day and helped operations teams protect the marketplace.
• Built a Go and Kafka bot detection system for registrations, preventing referral abuse and saving millions of Rupiah.

Started as a Backend Engineer, building marketplace policy, transaction safety, and abuse-prevention systems.

Graduated from Universitas Budi Luhur. Thesis work explored sentiment analysis using opinion mining and a Naive Bayes classifier, reaching an average accuracy of 86%.

• Built JARI's first web and API-based collection-management system using Laravel, jQuery, and Google Maps API.
• The system helped secure multiple tenders and generate hundreds of millions of Rupiah in revenue.

Joined JARI to build the company's first web and API-based collection-management system.

• Built lecturer-management tools for attendance, student advising, access control, and e-learning integration.
• Migrated and synchronized the existing system, including database normalization and an upgrade to a newer framework.

Joined the university's engineering division as a Web Engineer, modernizing lecturer systems while completing my degree.