The Introduction
Hi, I'm Sultan Kautsar. I've always been curious about how technology can genuinely help people, not just impress them. That curiosity led me to build Rayatiga, not to chase big titles but to create solutions that quietly make a difference for businesses trying to grow.
I love working with small and medium enterprises because they're driven by real passion. For me, technology isn't about showing off; it's about making things work better for real people.
None of this would be possible without a strong foundation of support. My family has always been my bedrock, and right alongside them is my partner, Virgiyan, who stands behind me and fuels my persistence every step of the way.
My background in Information Technology from Telkom University shaped my technical skills in web development, cloud engineering, and business innovation. But I believe what matters even more is sincerity. I deliver every project carefully, listen first, and build with heart.
I'm always happy to meet people who share this mindset: to innovate not for the sake of being "modern," but to create meaningful impact together.
The Experiences
- Founder & AI Native Engineer, Rayatiga (March 2020 - Present) - Leading product development and business strategy to create practical digital solutions that help businesses grow.
- Tracking & Measurement Architect, MediaConversion (February 2026 - Present) - Designing and implementing tracking systems to optimize marketing performance and data accuracy.
- Generalist Software Engineer, FlexyPack (September 2025 - Present) - Developing full-stack applications, managing servers, and optimizing analytics for high-performance digital products.
- Generalist Website Developer, Breef Studio (May 2023 - September 2025) - Building and maintaining high-quality websites with a focus on performance and design consistency.
- Google Cloud Operation, PT Presentologics (February 2022 - August 2022) - Managing and optimizing cloud infrastructure for reliability and scalability.
The Studies
- Master of Cyber Security & Digital Forensic, Telkom University (February 2023 - August 2023 - Not completed) - Fast-track student focusing on advanced topics in cybersecurity and digital investigations but did not complete the program.
- Bachelor of Information Technology, Telkom University (August 2019 - February 2023) - Fast track studied professional topics IT systems, software development, networking, project management, and business innovation.
The Projects
- Rayatiga - Digital solutions company focused on delivering practical technology tools for business growth, including web development, mobile applications, cloud services, and digital transformation solutions.
- Verdant - Personal finance management application designed to help users track expenses, manage budgets, monitor spending habits, and make informed financial decisions through a simple interface.
- UTQU - Universitas Terbuka Quiz, a simple quiz platform for students of the Open University of Indonesia (UT) to prepare for exams, built with vanilla html, css, javascript, and local storage for fast data access.
- MoodGrocery - AI-Powered Grocery List Generator that creates personalized grocery shopping lists based on user preferences, daily activities, dietary requirements, allergies, nutrition levels, and health goals.
- Metrics - Professional landing page dedicated to GTM, GA4, and analytics services, highlighting expertise in data-driven marketing, performance measurement, and conversion optimization strategies.
The Skills
- Linux - Proficient in Linux systems administration, ensuring stable, secure, and efficient environments for servers, development, and daily operations.
- GTM, GA4, GAds - Proficient in analytics and digital marketing tools, enabling data-driven insights, performance tracking, and campaign optimization.
- WordPress/Web Development - Build, customize, and optimize WordPress and web-based solutions, delivering fast, functional, and user-friendly websites.
- Vanilla Web Development - Build clean, efficient, and standards-compliant websites without relying heavily on frameworks, ensuring flexibility and performance.
- Technical Support - Able to diagnose, troubleshoot, and resolve technical issues efficiently, helping maintain productivity and smooth day-to-day workflows.
- Odoo - Experienced in Odoo ERP development and customization, streamlining business processes and improving operational efficiency across departments.
- Cloud Platform Operations - Manage and maintain scalable cloud infrastructure, emphasizing reliability, security, performance, and operational efficiency.
- Business Innovation - Align technology initiatives with business objectives, identifying practical opportunities for growth, efficiency, and continuous improvement.
- Mobile Development - Develop mobile applications using modern frameworks, focusing on scalability, maintainability, performance, and user experience.
- Tech Documentation Writing - Create clear, structured, and accessible technical documentation tailored to both technical and non-technical audiences.
The Daily Driven
- Arch Linux - Preferred Linux distribution known for its customization, performance, simplicity, and access to the latest software packages.
- Google Chrome - Primary web browser valued for its speed, privacy features, standards compliance, and powerful developer tools.
- Antigravity - Primary code editor offering extensive customization, rich extension support, and tools for efficient software development.
- Obsidian - Flexible note-taking and knowledge management tool used for organizing ideas, documentation, tasks, and ongoing projects.
- GitHub - Leading code hosting platform for version control, collaboration, project management, and efficient software development workflows.
- FireFox - Secondary web browser utilized for compatibility testing, debugging, and validating web application behavior across platforms.
- Figma - Professional design and prototyping tool used for creating, refining, and collaborating on modern UI/UX projects and workflows.
The Contacts
- Email - hello@sultankautsar.com
- LinkedIn - linkedin.com/in/sultankautsar
- GitHub - github.com/bydzen