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I'm Alexander Adrian S., a remote-native software engineer with 15+ years delivering production-grade systems for healthcare, fintech, and cross-border logistics. I design scalable architectures, drive code quality, and optimize performance across distributed teams. I'm currently integrating AI-assisted development into production workflows (Claude Code, Roo Code, DeepSeek). I actively evaluate AI-generated outputs for correctness and risk mitigation, leveraging my IT-audit background and ethics studies to ensure responsible AI adoption.…I'm Alexander Adrian S., a remote-native software engineer with 15+ years delivering production-grade systems for healthcare, fintech, and cross-border logistics. I design scalable architectures, drive code quality, and optimize performance across distributed teams. I'm currently integrating AI-assisted development into production workflows (Claude Code, Roo Code, DeepSeek). I actively evaluate AI-generated outputs for correctness and risk mitigation, leveraging my IT-audit background and ethics studies to ensure responsible AI adoption.

Alexander Adrian S.

PRO

Full Stack Developer, Web Developer, Back-End Developer, +3

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I'm Alexander Adrian S., a remote-native software engineer with 15+ years delivering production-grade systems for healthcare, fintech, and cross-border logistics. I design scalable architectures, drive code quality, and optimize performance across distributed teams. I'm currently integrating AI-assisted development into production workflows (Claude Code, Roo Code, DeepSeek). I actively evaluate AI-generated outputs for correctness and risk mitigation, leveraging my IT-audit background and ethics studies to ensure responsible AI adoption.…I'm Alexander Adrian S., a remote-native software engineer with 15+ years delivering production-grade systems for healthcare, fintech, and cross-border logistics. I design scalable architectures, drive code quality, and optimize performance across distributed teams. I'm currently integrating AI-assisted development into production workflows (Claude Code, Roo Code, DeepSeek). I actively evaluate AI-generated outputs for correctness and risk mitigation, leveraging my IT-audit background and ethics studies to ensure responsible AI adoption.

Available to hire

Jakarta, Indonesia

I’m Alexander Adrian S., a remote-native software engineer with 15+ years delivering production-grade systems for healthcare, fintech, and cross-border logistics. I design scalable architectures, drive code quality, and optimize performance across distributed teams.

I’m currently integrating AI-assisted development into production workflows (Claude Code, Roo Code, DeepSeek). I actively evaluate AI-generated outputs for correctness and risk mitigation, leveraging my IT-audit background and ethics studies to ensure responsible AI adoption.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full-Stack Engineer (REMOTE) at Knight Connections Sdn. Bhd.

January 1, 2021 - Present

Built distributed B2B supply chain platform on Azure/AWS serving 3,500+ concurrent users across SEA region, maintaining 99.9% uptime. Reduced deployment time by 45% through automated CI/CD pipelines (GitHub Actions), implementing containerization and zero-downtime release strategies. Architected cross-border logistics modules enabling $5M+ international expansion, translating complex business requirements into scalable technical solutions. Led code quality initiatives including automated testing suites and architectural reviews, reducing production bugs by 40%. Mentored an 8-person engineering team on microservices patterns, cloud-native design, and API development best practices.

Senior Software Engineer (REMOTE) at Knight Connections Sdn. Bhd.

December 1, 2019 - December 31, 2020

Architected telehealth platform (Node.js, React.js) for secure medical teleconsultation and prescription management. Improved cross-team velocity by 30% by designing standardized API contracts between frontend and backend teams. Provided technical mentorship to 5 junior/mid-level developers, conducting code reviews and knowledge transfer sessions.

Software Engineer (REMOTE) at Baytime Project

January 1, 2018 - November 30, 2019

Led migration from legacy PHP monolith to MERN stack (MongoDB, Express, React, Node.js), improving scalability and developer productivity. Optimized MongoDB data models and API security, reducing query response times by 60% for core business operations. Collaborated with US-based team across a 12-hour time difference, maintaining clear communication and on-time delivery.

ICT Operations Manager at PT. Sinar Srikandi Elektrik

January 1, 2016 - December 31, 2017

Managed Linux/cPanel infrastructure and IT operations for a manufacturing company, maintaining 99.5% uptime.

IT Auditor at PT. Astra International Tbk

May 1, 2010 - June 30, 2013

Identified $2M financial leakage through data analysis (CAATs/ACL) of SAP systems, leading to pricing policy corrections.

Senior Software Engineer (Remote) at Knight Connections Sdn. Bhd. / PT Ksatria Mitra Solusindo

January 1, 2021 - Present

Lead distributed engineering team across 3 countries, establishing written-first communication and async workflows. Architected a supply chain platform (Node.js, React, AWS/Azure) serving 3,500+ concurrent users with 99.9% uptime. Established code review standards and automated testing suites, reducing production bugs by 40%. Reduced deployment time by 45% through CI/CD automation (GitHub Actions), containerization, and zero-downtime releases. Architected cross-border logistics modules enabling $5M+ international expansion.

Software Engineer (Remote) at Baytime Project, USA

January 1, 2018 - November 1, 2019

Led migration from legacy PHP to MERN stack, improving scalability and developer productivity. Optimized MongoDB queries achieving 60% response time improvement.

IT Auditor at Astra International Tbk – Fortune Global 500

May 1, 2010 - June 1, 2013

Identified and reported $2M financial leakage modus through systematic data analysis (CAATs/ACL) of SAP systems. Conducted technical audits across 6 business units with structured findings and recommendations.

SENIOR SOFTWARE ENGINEER (Remote) at Knight Connections Sdn. Bhd. / PT. Ksatria Mitra Solusindo

January 1, 2021 - Present

Hands-on CTO leading distributed engineering team across US, Malaysia, and Indonesia; architected cross-border logistics modules enabling $5M+ international expansion; built supply chain platform serving 3,500+ concurrent users with 99.9% uptime; established code review standards and automated testing to reduce production bugs by 40%; cut deployment time by 45% via CI/CD and zero-downtime releases.

IT AUDIT OR at Astra International Tbk – Fortune Global 500

May 1, 2010 - June 1, 2013

Identified and reported $2M financial leakage via CAATs/ACL of SAP systems; conducted technical audits across 6 business units with structured findings.