Dwi Nanda Susan

SaaS e-invoicing Software Engineer Backend - Middle at PT. PAKAR DIGITAL GLOBAL (PAPER.ID)

Led integration of bank transfer notifications for reconciliation via Zapier automation to reduce costs. Implemented AI-driven reconciliation for J&T Cargo, boosting accuracy and reducing manual intervention by ~60%. Built a monitoring system for DJP Pajakku latency and developed OCR-invoice creation (V1) with end-to-end automation from email to Paper’s system, achieving >99% success with 1,000+ emails/day. Created a dashboard and Slack alerts for failures. Secured agreements with major B2B suppliers. Architected OCR-invoice creation (V2) with dynamic, non-volatile configurations and FCFS queue publishing to scale OCR scanning to >1,500 files/hour, covering end-to-end workflow from scan to Xero publishing. Implemented DoD monitoring using New Relic, unique request IDs, and Slack channels. Maintained invoice finance workflow for a leading Indonesian F&B brand and integrated Xero with Paper.id for Qoala App, reducing errors by ~20%. Built the Horizon Card feature with Financial Service

SaaS e-invoicing Software Engineer Backend - Middle at PT. PAKAR DIGITAL GLOBAL (PAPER.ID)

Integrated bank transfer notifications for reconciliation via Zapier automation; led AI-driven reconciliation for J&T Cargo, increasing accuracy and reducing manual intervention by 60%; built OCR-invoice creation (V1) with end-to-end automation from email to Paper.id, achieving a 99%+ success rate on 1,000+ emails/day. Created a monitoring system for DJP Pajakku latency with dashboards and Slack alerts. Architected OCR-invoice creation (V2) with dynamic configurations to support high-demand client customizations; scaled OCR scanning using an FCFS queue handling >1,500 files/hour. Delivered end-to-end OCR-invoice flow (scan → invoice → finance approval → payment → publish to Xero). Implemented DoD monitoring with New Relic, unique request IDs, and Slack notifications. Maintained invoice finance workflow for a leading F&B brand. Integrated Xero with Paper.id for Qoala App, reducing errors by ~20%. Developed Horizon Card feature with the Financial Services team to achieve enterpri

SaaS e-invoicing Software Engineer Backend - Middle at PT. PAKAR DIGITAL GLOBAL (PAPER.ID)

Integrated bank transfer notifications for reconciliation via Zapier, reducing manual effort and cost. Led AI-driven reconciliation for J&T Cargo transactions, boosting accuracy and cutting manual interventions by 60%. Built a latency monitoring system for DJP Pajakku connections and led OCR-invoice creation (V1) from email intake to Paper.id system, maintaining 99%+ success for 1,000+ emails per day. Implemented a dashboard with Slack alerts for failures. Architected OCR-invoice Creation (V2) with dynamic, non-volatile configs and an FCFS queue to handle 1,500+ files/hour, delivering end-to-end processing from scan to invoice, finance approval, payment completion, and data publishing to Xero. Added DoD monitoring with New Relic and unique request IDs. Supported invoice finance workflow approvals for a leading F&B brand and integrated Xero for Qoala App, reducing errors by 20%. Built Horizon Card feature and automated routine admin tasks to improve SLA and ticket resolution.

Software Engineer Backend - Middle at PT. PAKAR DIGITAL GLOBAL (PAPER.ID)

Integrate bank transfer notifications for reconciliation via Zapier automation; contribute to AI-driven reconciliation for transaction processing; create monitoring for latency connections; develop OCR-invoice creation (V1) with automated email-to-Paper workflow achieving ~99% success while handling 1,000+ emails/day; implement a dashboard and Slack alerts for failures; drive OCR-invoice creation (V2) with dynamic configurations and FCFS queue; end-to-end workflow from scan to Xero publication; implement DoD monitoring with New Relic and unique request IDs.

SaaS e-invoicing Software Engineer Backend - Mid at PT. PAKAR DIGITAL GLOBAL (PAPER.ID)

Backend engineer for a SaaS e-invoicing platform. Integrated bank transfer notifications for reconciliations via Zapier automation; built AI-driven reconciliation for J&T Cargo to improve accuracy and reduce manual intervention by ~60%. Implemented latency monitoring for DJP Pajakku connections and developed OCR-invoice creation (V1) with an automated end-to-end flow from email to Paper’s system, achieving 99%+ success with 1,000+ emails/day. Created a monitoring dashboard with Slack alerts for failures. Negotiated supplier agreements with top-tier B2B material goods providers. Architected OCR-invoice creation (V2) with dynamic configurations to support high-demand clients and scale OCR scanning using an FCFS queue handling 1,500+ files/hour. Delivered end-to-end workflow to Xero ERP, DoD monitoring with New Relic and unique request IDs, and Slack-based traceability. Maintained invoice finance workflow for a leading Indonesian F&B brand and contributed to Xero integration for Qoala A

Investment Software Engineer Backend at PT. SAYAKAYA LAHIR BATIN

Redesigned secure architecture of user login sessions; streamlined back-office financial reporting workflow; optimized API performance, reducing latency to approximately 0.5s.

Investment Software Engineer Backend at PT. SAYAKAYA LAHIR BATIN

Redesigned secure architecture of user login sessions to improve protection against unauthorized access. Streamlined back-office financial reporting workflows and optimized API performance, reducing latency from timeouts to an average of ~0.5s and enhancing overall reliability.

Investment Software Engineer Backend at PT. SAYAKAYA LAHIR BATIN

Redesigned secure user login sessions to protect against unauthorized access; streamlined back-office financial reporting workflows; optimized API performance, reducing latency to an average of 0.5 seconds per request.

Investment Software Engineer Backend at PT. SAYAKAYA LAHIR BATIN

Redesigned secure login session architecture to strengthen protection against unauthorized access. Streamlined back-office financial reporting workflows, eliminating redundant steps and improving ERP communications. Optimized back-office APIs to reduce latency toward faster, more reliable interactions (target ~0.5s per request).

Investment Software Engineer Backend at PT. SAYAKAYA LAHIR BATIN

Redesigned secure architecture of user login sessions to strengthen protection against unauthorized access. Streamlined back-office administrative workflow for financial reporting and optimized back-office API performance, reducing latency from timeouts to an average of 0.5 seconds per request.

Online Pharmacy Software Engineer Backend - Middle at PT. INDOPASIFIK TEKNOLOGI MEDIKA INDONESIA (LIFEPACK.ID)

Developed and maintained OpenAPI for TetaShop’s B2B services; supported online pharmacy, warehouse management, and order management systems; designed and maintained partner service integrations; implemented OTP order service integration via WhatsApp and Slack webhooks; built HOPE replacement service for PharmacyOS integration; improved overall service response times from ~30s to ≤3s; enabled partner service integrations and performance improvements.

Online Pharmacy Software Engineer Backend - Middle at PT. INDOPASIFIK TEKNOLOGI MEDIKA INDONESIA (LIFEPACK.ID)

Developed and maintained OpenAPI for TetaShop’s B2B services; ensured seamless integration for online pharmacy, warehouse, and order management; designed and maintained partner service integrations; implemented OTP-based order service integration via WhatsApp and Slack webhooks; developed HOPE replacement service for PharmacyOS integration; optimized overall response times from ~30s to ~3s per request, improving user experience and stability.

Online Pharmacy Software Engineer Backend - Middle at PT. INDOPASIFIK TEKNOLOGI MEDIKA INDONESIA (LIFEPACK.ID)

Developed and maintained OpenAPI for TetaShop’s B2B services; maintained/optimized core services (online pharmacy, warehouse management, order management); designed and maintained partner service integrations; implemented OTP order service integration via WhatsApp and Slack webhooks; HOPE replacement service for PharmacyOS integration; optimized overall latency from ~30 seconds to under 3 seconds per request.

Online Pharmacy Software Engineer Backend - Middle at PT. INDOPASIFIK TEKNOLOGI MEDIKA INDONESIA (LIFEPACK.ID)

Developed and maintained OpenAPI for TetaShop’s B2B services, ensuring seamless integration. Maintained and optimized online pharmacy, warehouse management, and order management systems to boost efficiency. Designed partner service integrations enabling interoperability. Implemented OTP order service authentication via WhatsApp and Slack webhooks. Developed HOPE replacement service for PharmacyOS integration. Optimized overall service response times from ~30s to a maximum of 3s per request.

Online Pharmacy Software Engineer Backend - Mid at PT. INDOPASIFIK TEKNOLOGI MEDIKA INDONESIA (LIFEPACK.ID)

Developed and maintained the OpenAPI for TetaShop’s B2B services; maintained and optimized core services (online pharmacy, warehouse management, order management); designed and integrated partner services; implemented OTP order service integration using WhatsApp and Slack webhooks for secure authentication; developed HOPE replacement service for PharmacyOS integration; optimized overall service response times, reducing latency from ~30 seconds to <=3 seconds per request to improve user experience and reliability.

E-commerce Software Engineer Backend at PT. TOKOPEDIA

Led digital product visibility initiatives in Digital Bills & Top-Up; Security Champion for SDLC; engineered dynamic A/B testing for Digital Subhomepage; migrated internal tools for Digital Growth; sustained Digital Product Catalogue; developed load testing with Hammerflux and Hammertime; created API endpoints and migration of databases; established a Data Changelog Tracker and Kartu Prakerja Project; integrated the Search Platform service and built infrastructure dashboards; improved code and test coverage to high levels across repositories.

E-commerce Software Engineer Backend at PT. TOKOPEDIA

Led Digital Bills & Top-Up product visibility and contributed to Digital Product Catalogue and Subhomepage. Served as Security Champion for SDLC within Digital Growth. Engineered dynamic A/B testing for Digital Subhomepage to optimize engagement and conversion. Migrated internal tools for Digital Growth, maintained Digital Product Catalogue across categories, and implemented load testing with Hammerflux/Hammertime. Built and maintained critical API endpoints for Subhomepage and Product Catalogues, and led migration of database servers to non-sharable infrastructure. Created Data Changelog Tracker and managed the Kartu Prakerja Project. Integrated the Search Platform service and dashboards for performance monitoring and journey analytics. Improved minimum code and test coverage to 98% across repositories.

E-commerce Software Engineer Backend at PT. TOKOPEDIA

Led digital product visibility initiatives for Digital Bills & Top-Up; acted as Security Champion for SDLC; engineered dynamic A/B testing for Digital Subhomepage; migrated internal tools for Digital Growth; sustained Digital Product Catalogue; built load testing with Hammerflux/Hammertime; created and maintained API endpoints for Digital Subhomepage and Product Catalogue; migrated databases to non-sharable infrastructure; established Data Changelog Tracker and managed the Kartu Prakerja Project; integrated the Search Platform service and built dashboards for performance and user journey analytics; improved code and test coverage to 98%.

E-commerce Software Engineer Backend at PT. TOKOPEDIA

Led Digital Bills & Top-Up product visibility, contributing to the Digital Product Catalogue and Subhomepage. Served as Security Champion within the Digital Growth team, enforcing SDLC security practices. Executed dynamic A/B testing for Digital Subhomepage to improve engagement and conversions. Migrated internal tools for Digital Growth and maintained the Digital Product Catalogue. Developed and maintained API endpoints for Subhomepage and Catalogue, and implemented load testing to ensure reliability. Guided migration of database servers to non-sharable infrastructure, established a Data Changelog Tracker, and led the Kartu Prakerja project. Integrated the Search Platform service and built dashboards for monitoring infrastructure performance and user journeys. Improved code and test coverage to 98% across managed repositories.

E-commerce Software Engineer Backend at PT. TOKOPEDIA

Led digital product visibility initiatives in Digital Bills & Top-Up; served as Security Champion for the SDLC; engineered dynamic A/B testing for the Digital Subhomepage to optimize engagement and conversion; managed migration of internal tools for Digital Growth; maintained and expanded Tokopedia’s Digital Product Catalogue; developed and implemented load testing using Hammerflux and Hammertime; created and maintained API endpoints for the Digital Subhomepage and Product Catalogue; led database server migration to non-sharable infrastructure; built a Data Changelog Tracker and managed Kartu Prakerja Project; integrated the Search Platform service and built dashboards for performance and user journey analytics; improved minimum code and test coverage to 98% across repositories.

SaaS Digital Printing & Packaging Software Engineer Backend at PT. KATALISATOR ASA INDONESIA (TJETAK)

Digitized the order specification workflow; developed a pricing engine and integrated with estimator tools; improved market price performance by 60% in Q1-2021; designed and implemented core calculation libraries for three product categories; performed research and refactoring to enhance performance.

SaaS Digital Printing & Packaging Software Engineer Backend at PT. KATALISATOR ASA INDONESIA (TJETAK)

Digitized the order specification workflow to accelerate pricing calculations. Built a robust pricing engine for the main marketplace and integrated it with estimator tools to improve pricing accuracy. Conducted research, refactoring, and performance improvements, achieving a 60% market price performance uplift in Q1-2021 for corrugated products. Designed core calculation libraries for three main product categories and implemented partner service integrations, including BILLER PARTNER INTEGRATION with RTS.id X Tokopedia to streamline Telkomsel’s airtime biller aggregation. Developed a secure middleware for data exchange under Tokopedia security standards and maintained the integration.

Backend Engineer at PT. KATALISATOR ASA INDONESIA (TJETAK)

Digitized the order specification process; built a robust pricing engine for the main marketplace and integrated it with estimator tools; improved market price performance by 60% in Q1-2021; designed and implemented core calculation libraries for three main product categories.

SaaS Digital Printing & Packaging Software Engineer Backend at PT. KATALISATOR ASA INDONESIA (TJETAK)

Digitized the order specification process for the operations team, accelerating the pricing calculation pipeline. Developed a robust pricing engine for the main marketplace and integrated it with estimator tools to enhance pricing accuracy. Refactored codebase and improved market price performance by 60% in Q1-2021. Designed and implemented core calculation libraries for three product categories, ensuring precision and scalability. Led secure middleware integration for RTS.id–Tokopedia partnership, improving transaction reliability and security.