I’m a Software Engineer with 6+ years of experience building scalable fintech and POS systems. I’ve worked across payments, marketplace, and logistics ecosystems, focusing on delivering reliable, high-performance applications used in real world transactions. Currently, I lead mobile and backend development at Bayarind, where I drive architecture for a POS and logistics platform integrating multiple systems. My work includes designing APIs, handling multi-party integrations, and ensuring scalability for large merchant ecosystems. I enjoy mentoring engineers and solving complex product challenges, especially in systems with high data and transaction complexity.

DIVA RAMADHA RISTANTO

I’m a Software Engineer with 6+ years of experience building scalable fintech and POS systems. I’ve worked across payments, marketplace, and logistics ecosystems, focusing on delivering reliable, high-performance applications used in real world transactions. Currently, I lead mobile and backend development at Bayarind, where I drive architecture for a POS and logistics platform integrating multiple systems. My work includes designing APIs, handling multi-party integrations, and ensuring scalability for large merchant ecosystems. I enjoy mentoring engineers and solving complex product challenges, especially in systems with high data and transaction complexity.

Available to hire

I’m a Software Engineer with 6+ years of experience building scalable fintech and POS systems. I’ve worked across payments, marketplace, and logistics ecosystems, focusing on delivering reliable, high-performance applications used in real world transactions.

Currently, I lead mobile and backend development at Bayarind, where I drive architecture for a POS and logistics platform integrating multiple systems. My work includes designing APIs, handling multi-party integrations, and ensuring scalability for large merchant ecosystems. I enjoy mentoring engineers and solving complex product challenges, especially in systems with high data and transaction complexity.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Indonesian
Fluent
English
Advanced

Work Experience

Software Developer Lead at BAYARIND
September 1, 2024 - April 1, 2026
Led a small team of 3 engineers to redesign Bayarind’s POS mobile platform using Flutter and Golang, enabling scalable merchant applications and complex transaction flows. Defined integration strategies across Flutter apps, backend services, logistics, and payment systems, while architecting APIs and backend services to support large-scale B2B merchant workflows used nationwide. Architected and delivered Fa5Track, a B2B POS and logistics platform enabling supply chain automation between merchants and Indo5’s distribution network, designed to scale to 1M+ merchants. Led integration between Bayarind, Indo5, and Cek Gudang by building robust APIs, enabling smooth data exchange and aligned operations across systems. Managed and improved Pasarind dashboards (Admin, Reseller, and Finance) by ensuring stable performance, accurate data flow, and ongoing feature enhancements.
Frontend Engineer at AKTACORP
October 1, 2024 - October 1, 2025
Developed AktaCorp, a digital platform for corporate document management, enabling enterprises to centralize legal and corporate records in a secure and scalable system. Built and enhanced web application features using Vue.js and Laravel, focusing on responsive UI, modular component architecture, and robust backend services. Designed systems for document storage, retrieval, and workflow automation, improving efficiency in administrative and compliance processes. Improved system reliability and usability by implementing scalable architecture and optimizing data handling for secure document management. Reduced manual administrative work and accelerated document processing, helping enterprises improve compliance accuracy and operational efficiency.
Senior Software Engineer at PT Sinar Mas Multiartha, Tbk
January 1, 2022 - September 1, 2024
Developed and maintained Nabila, a fintech mobile application used for financial transactions and services, focusing on secure API integration, user experience, and high application reliability. Engineered PraktisPOS, a Point of Sale (POS) system for merchants to manage daily sales transactions, payments, and business operations, supporting 1,000+ active users and handling transactions exceeding 1B IDR monthly. Improved application performance through code optimization, offline-first capabilities, and improved data handling to ensure reliable operation in variable network conditions.
Mobile Developer at PT Adhi Persada Beton
August 1, 2022 - May 1, 2023
Developed a mobile goods delivery application to support internal logistics and distribution processes for company drivers. Built features enabling drivers to track delivery schedules, update shipment status, and record production distribution in real time. Digitized manual logistics workflows, reducing reliance on paper-based reporting, and minimizing human error. Improved coordination between production and logistics teams by providing real-time visibility into delivery activities across operational sites.
Senior Mobile Developer at Nusatek.ID
January 1, 2022 - November 1, 2023
Developed Siswamedia, a mobile-based school management application to improve communication and academic monitoring between schools and parents. Built core features for academic reporting, student activity tracking, and real-time communication using Flutter and Firebase. Implemented child development reporting, enabling parents to monitor academic progress and behavioral growth. Designed user-friendly interfaces and digitized school administrative processes to improve efficiency.
Senior Software Developer at Djubli
January 1, 2021 - January 1, 2022
Led a team of 6 developers in delivering a complex car marketplace platform, balancing deadlines with quality. Implemented a real-time car auction feature with live bidding and state synchronization, collaborated with backend teams to integrate APIs using Node.js and Socket.io, improving system responsiveness. Mentored junior developers, enforcing coding standards, and drove end-to-end process improvements to increase operational efficiency.
Flutter Frontend Developer at PT Kapital Kusuma Putera
June 1, 2019 - December 1, 2020
Developed and launched a fully functional Flutter mobile application with strong state management, achieving improved app performance and user retention. Coordinated with backend teams and UI/UX designers to deliver a redesigned interface, enhancing user experience and operational efficiency.
SOFTWARE DEV ELOPER LEAD at BAYARIND
September 1, 2024 - April 1, 2026
Managed a small team of 3 engineers to lead the Bayarind’s POS mobile platform using Flutter and Golang, redesigning architecture to support scalable merchant applications and complex transaction flows. Defined integration strategies across Flutter apps, backend services, logistics, and payment systems, while architecting APIs and backend services to support large-scale B2B merchant workflows used nationwide. Architected and delivered Fa5Track, a B2B POS and logistics platform enabling supply chain automation between merchants and Indo5’s distribution network, designed to scale to 1M+ merchants. Led integration between Bayarind, Indo5, and Cek Gudang by building robust APIs, enabling smooth data exchange and aligned operations across systems. Managed and improved Pasarind dashboards (Admin, Reseller, and Finance) by ensuring stable performance, accurate data flow, and ongoing feature enhancements.
FRONTEND ENGINEER at PT. Citra Nusantara Gemilang, tbk
January 1, 2025 - August 1, 2025
Developed a web-based transaction dashboard using Django for CNG distribution, handling high-volume B2B and B2C financial transactions across multiple regions. Built features to manage and visualize large-scale financial data, including OPEX, CAPEX, sales transactions, and financial reporting. Designed and implemented backend logic and APIs in Django to process complex financial data with high accuracy. Optimized database queries and data processing to ensure efficient handling of large datasets and fast report generation. Collaborated with business and finance teams to align system functionality with operational and financial needs, improving reporting accuracy and decision-making.

Education

Bachelor of Informatics Engineering at Institute of Technology PLN
September 1, 2016 - November 1, 2020
Bachelor of Informatics Engineering at Institute of Technology PLN
September 1, 2016 - November 1, 2020

Qualifications

Software Engineer – Hacker Rank
January 11, 2030 - May 5, 2026
Microsoft Technology Associate: Database Administrator Fundamentals (MTA) – Microsoft
January 11, 2030 - May 5, 2026
Microsoft Office Specialist – Microsoft
January 11, 2030 - May 5, 2026
Dart Advance Course – Udemy
January 11, 2030 - May 5, 2026
Software Engineer – Hacker Rank
January 11, 2030 - May 5, 2026
Microsoft Technology Associate: Database Administrator Fundamentals (MTA) – Microsoft
January 11, 2030 - May 5, 2026
Microsoft Office Specialist – Microsoft
January 11, 2030 - May 5, 2026
Dart Advance Course – Udemy
January 11, 2030 - May 5, 2026

Industry Experience

Software & Internet, Financial Services, Retail, Transportation & Logistics, Professional Services