Daniel Funaki

Senior software engineer with 14 years of Ruby on Rails experience and 10 years of React experience, specializing in mature, business-critical platforms. Proven record of designing APIs and data models, modernizing legacy systems, integrating payments, identity, telephony, and AI services, and taking products from architecture through production operations. Combines hands-on engineering depth with product judgment, stakeholder alignment, and a focus on reliability, performance, and maintainability.

Senior Engineer at IOU Financial (2020-12 – 2026-03)

• Owned development and modernization of Rails and React platforms supporting small-business loan applications, underwriting, servicing, and internal operations.
• Designed automated lead-qualification and sales workflows that improved operational throughput and supported higher conversion and revenue performance.
• Migrated infrastructure from Puppet-based deployment patterns to Docker, improving environment consistency and simplifying application delivery.
• Integrated AWS services and external providers across identity, document processing, communications, and financial workflows for flagship products.
• Guided architecture, delivery sequencing, and technical feasibility decisions while aligning engineering work with stakeholder priorities and product roadmaps.

Senior Engineer at OverShare (2022-01 – 2023-06)

• Architected a privacy-focused communications platform using Ruby on Rails, Flutter, PostgreSQL, Redis, Twilio Voice/SMS, and real-time WebSocket services.
• Designed call-screening and AI-assisted voice workflows that combine telephony media streams, transcription, intent evaluation, and configurable routing decisions.
• Built subscription, entitlement, notification, and mobile calling capabilities across Apple in-app purchases, CallKit, PushKit, FCM, and APNs.
• Owned product architecture, cloud infrastructure, CI/CD, abuse prevention, observability, App Store delivery, and production operations end to end.

Senior Engineer at ChangeHealthcare (2020-04 – 2021-11)

• Developed and maintained a Node.js and React healthcare-benefits platform serving approximately 2,500 customers daily.
• Unified multiple CRM systems into a single operational platform, reducing fragmentation across customer and benefits-management workflows.
• Led a five-engineer offshore team, establishing development processes, review standards, and delivery practices that improved quality and predictability.
• Partnered directly with senior management on architecture, roadmap decisions, implementation, testing, and product expansion.

Senior Engineer at AirspaceTechnologies (2018-05 – 2020-04)

• Built and evolved a real-time logistics operations dashboard used by operators and dispatchers to monitor time-critical shipments.
• Architected VoIP real-time operations dashboard for operators and dispatchers, delivering high-quality observability over critical packages.
• Integrated Twilio telephony to surface customer and shipment context during live calls, improving operator response and workflow continuity.
• Contributed across product architecture, frontend delivery, backend services, and production support in a fast-moving startup environment.

Bachelor of Science in Computer Science – Georgia Institute of Technology (2007)