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I am a Senior Software Engineer with 10+ years of experience building scalable backend systems, microservices, and product-critical infrastructure across fintech, edtech, and industrial domains. I recently extended and maintained a subscription and permissions middleware at OnlinePajak serving 1M+ users across 6 interconnected services, and I own API performance monitoring and analytics instrumentation platform-wide. I focus on turning stakeholder needs into robust, production-ready systems and enjoy shaping technical roadmaps at the boundary between business and engineering. I'm CSP-certified and open to remote work or international relocation.…I am a Senior Software Engineer with 10+ years of experience building scalable backend systems, microservices, and product-critical infrastructure across fintech, edtech, and industrial domains. I recently extended and maintained a subscription and permissions middleware at OnlinePajak serving 1M+ users across 6 interconnected services, and I own API performance monitoring and analytics instrumentation platform-wide. I focus on turning stakeholder needs into robust, production-ready systems and enjoy shaping technical roadmaps at the boundary between business and engineering. I'm CSP-certified and open to remote work or international relocation.

Yoeza Sapoetro

Full Stack Developer, Web Developer, Back-End Developer, +5

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I am a Senior Software Engineer with 10+ years of experience building scalable backend systems, microservices, and product-critical infrastructure across fintech, edtech, and industrial domains. I recently extended and maintained a subscription and permissions middleware at OnlinePajak serving 1M+ users across 6 interconnected services, and I own API performance monitoring and analytics instrumentation platform-wide. I focus on turning stakeholder needs into robust, production-ready systems and enjoy shaping technical roadmaps at the boundary between business and engineering. I'm CSP-certified and open to remote work or international relocation.…I am a Senior Software Engineer with 10+ years of experience building scalable backend systems, microservices, and product-critical infrastructure across fintech, edtech, and industrial domains. I recently extended and maintained a subscription and permissions middleware at OnlinePajak serving 1M+ users across 6 interconnected services, and I own API performance monitoring and analytics instrumentation platform-wide. I focus on turning stakeholder needs into robust, production-ready systems and enjoy shaping technical roadmaps at the boundary between business and engineering. I'm CSP-certified and open to remote work or international relocation.

Available to hire

I am a Senior Software Engineer with 10+ years of experience building scalable backend systems, microservices, and product-critical infrastructure across fintech, edtech, and industrial domains. I recently extended and maintained a subscription and permissions middleware at OnlinePajak serving 1M+ users across 6 interconnected services, and I own API performance monitoring and analytics instrumentation platform-wide.

I focus on turning stakeholder needs into robust, production-ready systems and enjoy shaping technical roadmaps at the boundary between business and engineering. I’m CSP-certified and open to remote work or international relocation.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

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Expert

Expert

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Expert

Expert

Expert

Expert

Expert

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Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Indonesian

Fluent

Work Experience

Senior Software Engineer at OnlinePajak

October 1, 2022 - August 1, 2025

Scaled the notification system by re-engineering the backend logic and updating the UI to improve robustness and user experience. Partnered with Principal Engineer to translate complex system designs into documentation and plan features from concept to 0-to-1 readiness. Collaborated with the Lead Engineer to build systems from scratch, selecting tech stacks and implementation strategies for both frontend and backend. Implemented a subscription-linked role system, owning authentication and permission logic across multiple microservices. Standardized the frontend with Web Components for legacy apps, enabling feature shipping without breaking design. Monitored API performance (KPIs) and fixed critical bugs across new and legacy systems to maintain platform stability. Translated complex business requirements into actionable tasks aligned with product goals.

Senior Full Stack Developer at Slash

November 1, 2021 - September 1, 2022

Delivered a high volume of technical tasks with tight deadlines to meet client expectations. Worked directly with clients to clarify requirements, translating business problems into technical specifications and delivering code that addressed those needs. Maintained high code standards via peer reviews and clean, maintainable pull requests. Focused on execution, taking ownership of assigned modules and ensuring smooth integration with the project. Adapted to diverse tech stacks (Vue, Java, Kotlin, TypeScript, JavaScript) and aligned workflows with cross-functional teams.

Full Stack Developer at Universitas Andalas

July 1, 2019 - October 1, 2021

Reduced assessment entry latency by 66% (3s to 1s) by architecting a bulk-entry AJAX frontend. Engineered an Activity Log microservice with Laravel providing immutable audit trails, eliminating unauthorized post-grading edits and data disputes. Architected a high-concurrency Go-based document upload system handling 10,000+ concurrent users, reducing peak load. Developed a Node.js Certificate Validator increasing verification throughput by 500%, enabling processing of 15 certificates in 3 minutes. Led Agile transformation by introducing Scrum practices, moving the department to sprint-based delivery.

Technical Lead & Full Stack Developer at Cimangko

July 1, 2017 - June 1, 2019

Managed and mentored a cross-functional team of 3 to deliver a Nursing Certification Tryout platform using VueJS and Laravel, resulting in an on-time launch and stakeholder satisfaction. Architected end-to-end delivery of the Nursing Tryout system, overseeing backend development, frontend strategy, and server integrations to ensure production stability. Reduced manual data entry overhead by engineering a bulk-import engine for fingerprint machine data (Excel-to-System). Served as primary technical liaison during production testing and bug resolution, ensuring alignment between technical output and stakeholder requirements. Built full-stack solutions for the Pasar Komoditas Jakarta (PKJ) Marketplace using Laravel and Express.js with RESTful APIs and real-time data feeds. Drove system-wide performance improvements and provided strategic roadmaps for DevOps and migration efforts.

Technical Lead & System Architect at PT Semen Padang

May 1, 2015 - March 1, 2017

Led the full software development lifecycle for a factory maintenance order application using PHP/Laravel, accelerating order processing and improving data accuracy. Digitized the legacy Monitoring Order process, reducing paper waste by 50% and enhancing fabrication order tracking. Managed the project and designed system architecture, coordinating factory stakeholders and the development team through Agile ceremonies to ensure alignment with operational needs.

Senior Full Stack Developer at Slash (Software Consultancy)

November 1, 2021 - September 1, 2022

Diagnosed UX gaps in a B2B fintech client's authentication and led Web Components adoption for a consistent login experience. Shipped production features across a stack including Node.js (NestJS/Express) and Java backends with Vue.js and TypeScript frontends, meeting tight deadlines across multiple engagements. Maintained code quality through structured peer reviews to ensure clean PRs across services.

Technical Lead & Full Stack Developer at PT Semen Padang

May 1, 2015 - March 1, 2017

Engineered a Work Order Management System (PHP/Laravel) covering maintenance lifecycle — material ordering, services planning, parts cost and labor estimation, and QA checks. Elicited requirements from the Principal Workshop and 5 department supervisors, translating complex industrial workflows into an operational system. Digitized the legacy Monitoring Order process, reducing paper waste by 50% and improving traceability. Coordinated end-to-end delivery across factory stakeholders via Agile ceremonies and detailed specifications.