Ivan Nathan Saputro

Software Engineer at HelloFresh

Acquisition - Checkout

• Built A/B-tested checkout improvements including dynamic discounts, urgency banners, order summaries, and purchasing-flow simplification to improve engagement.
• Created an editable cart that lets users modify orders at any point in the funnel, adding more than EUR 14M yearly Customer Value Add.
• Authored the technical design and led mobile-first unification for P500 Extended Funnel components, reducing duplicated desktop and mobile implementation work.
• Defined and delivered address validation integration across checkout with RFC, ADR, API payload design, and A/B rollout strategy across brands and markets.
• Led investigation into Statsig holdout allocation and data divergence, producing operating guidance usable by Product and Engineering.
• Created an RFC and repository for AI end-to-end testing with Playwright MCP, scaling natural-language journey tests to all 32 markets across brands on an hourly schedule.
• Built 13 core tests for a scalable QA pilot, replacing market-specific Cypress duplication with broader reusable coverage.

Engineering Manager at Spenmo

Payment Infra - Bill Payment

• Led five engineers delivering fintech bill-payment products across Product, Design, and QA.
• Designed and implemented automatic bill payment with upload, currency exchange calculation, and OCR, driving a 35% increase in customer adoption.
• Supported hiring, interviews, roadmap planning, internal tooling, and team delivery practices.

Engineering Manager at PCCW Solutions

• Led a three-engineer team building custom web solutions for enterprise clients with Next.js and React.
• Owned client delivery from requirements and implementation through testing and documentation.
• Focused on performance improvements, user-centric interfaces, hiring, and interviews.

Software Engineer at Traveloka

Customer Experience - Customer Care

• Built and maintained help-center web and app features including self-help, live chat, chat bots, and customer-service contact flows, reducing inquiries by more than 50%.
• Developed React Native help-center features and UI libraries for consistent cross-platform delivery.
• Migrated JavaScript code to TypeScript and implemented micro-frontend architecture for faster, more scalable development.
• Maintained and implemented Salesforce workflows, improving customer-service team efficiency by more than 50%.

Software Engineer at Solid Circle

• Designed and developed full-stack web projects including company profiles, e-catalogues, e-commerce sites, student portals, and blogs.
• Handled requirements, development, testing, documentation, maintenance, and availability for client websites.

Technical Support at Data On / Binus University

• Supported server installation, setup, maintenance, upgrades, network availability, and customer problem resolution.
• Delivered technical support and training for students, staff, and customers while collaborating with development teams.