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Hi, I'm Mahar Prasetio, a Senior Backend Engineer with 10+ years of experience building scalable APIs, distributed systems, and business-critical platforms across e-commerce and enterprise environments. I specialize in Node.js, TypeScript, PHP/Laravel, PostgreSQL, and cloud-native architectures. I thrive in distributed remote teams, mentor teammates, and design secure multi-tenant authentication and authorization systems. I've delivered systems used by 10,000+ businesses with measurable efficiency gains and cost reductions, and I relish turning complex requirements into reliable, scalable backend solutions.…Hi, I'm Mahar Prasetio, a Senior Backend Engineer with 10+ years of experience building scalable APIs, distributed systems, and business-critical platforms across e-commerce and enterprise environments. I specialize in Node.js, TypeScript, PHP/Laravel, PostgreSQL, and cloud-native architectures. I thrive in distributed remote teams, mentor teammates, and design secure multi-tenant authentication and authorization systems. I've delivered systems used by 10,000+ businesses with measurable efficiency gains and cost reductions, and I relish turning complex requirements into reliable, scalable backend solutions.

Mahar Prasetio

Back-End Developer, Web Developer, Full Stack Developer, +2

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Hi, I'm Mahar Prasetio, a Senior Backend Engineer with 10+ years of experience building scalable APIs, distributed systems, and business-critical platforms across e-commerce and enterprise environments. I specialize in Node.js, TypeScript, PHP/Laravel, PostgreSQL, and cloud-native architectures. I thrive in distributed remote teams, mentor teammates, and design secure multi-tenant authentication and authorization systems. I've delivered systems used by 10,000+ businesses with measurable efficiency gains and cost reductions, and I relish turning complex requirements into reliable, scalable backend solutions.…Hi, I'm Mahar Prasetio, a Senior Backend Engineer with 10+ years of experience building scalable APIs, distributed systems, and business-critical platforms across e-commerce and enterprise environments. I specialize in Node.js, TypeScript, PHP/Laravel, PostgreSQL, and cloud-native architectures. I thrive in distributed remote teams, mentor teammates, and design secure multi-tenant authentication and authorization systems. I've delivered systems used by 10,000+ businesses with measurable efficiency gains and cost reductions, and I relish turning complex requirements into reliable, scalable backend solutions.

Available to hire

Hi, I’m Mahar Prasetio, a Senior Backend Engineer with 10+ years of experience building scalable APIs, distributed systems, and business-critical platforms across e-commerce and enterprise environments. I specialize in Node.js, TypeScript, PHP/Laravel, PostgreSQL, and cloud-native architectures.

I thrive in distributed remote teams, mentor teammates, and design secure multi-tenant authentication and authorization systems. I’ve delivered systems used by 10,000+ businesses with measurable efficiency gains and cost reductions, and I relish turning complex requirements into reliable, scalable backend solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at PT Tunas Digital Indonesia

June 1, 2023 - Present

Architected and maintained scalable REST APIs powering inventory, billing, finance, and proposal systems. Designed secure authentication & authorization mechanisms for multi-tenant platforms. Optimized database queries and backend workflows improving reliability and scalability. Supported onboarding of 10,000+ businesses; contributed to 40% operational efficiency gain and 25% cost reduction.

Senior Software Engineer at PT Duta Daya Digital

October 1, 2021 - April 1, 2023

Built Seller Crawler systems and operational dashboards accelerating acquisition workflows. Reduced manual seller discovery effort through crawler automation. Developed strategic integrations (Grab, Bukasend) strengthening logistics connectivity. Improved OMS architecture supporting marketplace growth initiatives.

Senior Software Engineer at PT Tristan Artha Media

January 1, 2020 - October 1, 2021

Built enterprise Tableau portal with LDAP authentication and embedded analytics delivery. Developed backend services for B2B dashboards and enterprise applications. Improved deployment consistency through containerized architecture.

Software Engineer at PT Astra Graphia Information Technology

January 1, 2016 - October 1, 2019

Developed operational dashboards and internal IT tools within enterprise telecom environments. Contributed to application performance monitoring initiatives.

Software Engineer at PT Gaze Digital Communication

December 1, 2012 - August 1, 2015

Developed backend systems and CMS solutions for corporate and e-commerce clients. Supported API integrations and production deployments.