JM

Jonathan Masiello

Available to hire

I’m Jonathan Masiello, a front-end architect and engineering lead who loves turning complex product ecosystems into cohesive, user-friendly experiences.

About

I’m Jonathan Masiello, a front-end architect and engineering lead who loves turning complex product ecosystems into cohesive, user-friendly experiences. Across fintech, banking, e-commerce/media, defense training platforms, and consumer-facing applications, I’ve helped teams modernize interfaces, standardize UI patterns, and ship scalable front-end systems with strong engineering foundations.

I work at the intersection of design and engineering—partnering with UI/UX, back-end, and DevOps/SecOps to translate product goals into reusable component libraries, documentation, and CI/CD-ready workflows. I also enjoy applying AI to streamline design-to-code processes (including Figma-to-code), improving developer velocity, and delivering long-lived architectural improvements.

  • 15 years' experience
  • Joined September 2026

Industry experience

  • Software & Internet
  • Financial Services
  • Media & Entertainment
  • Government
  • Manufacturing
  • Retail
  • Gaming

Work experience· 10 roles

Front End Architect 2 · AccretiveJan 2024 – Present · 2 yrs 11 mos

Led a company-wide effort to modernize a large suite of product interfaces into a unified user experience through design and engineering standardization. Collaborated across business, design, front-end, back-end engineering, and SecOps/DevOps to align updated direction and technology stack. Designed and developed a unified cross-product component system with an AI-enhanced Figma-to-code pipeline, including updated lifecycle support, CI/CD integration, developer documentation in Storybook, and a custom MCP. Worked with business teams to streamline legacy product UI modernization using architectural standards and mentored developers on modern front-end technology stacks.

Front End Architect · A ccruentJan 2024 – Present · 2 yrs 11 mos

Led a company-wide modernization effort to unify a large set of product interfaces into a single user experience through design and engineering standardization. Partnered across disciplines (business, design, front-end, back-end, sec-ops, and dev-ops) to align on updated direction and technology stack. Designed and developed a unified cross-product component system with an AI-assisted Figma-to-code pipeline, including CI/CD integration, developer documentation in Storybook, and a custom MCP.

Front End Architect 2 · Nelnet BankJan 2021 – Dec 2024 · 4 yrs

Drove key architecture and system design decisions for a personal banking application and technical integrations with multiple partners. Architected and led development of a new marketing site and content management platform. Designed, developed, and deployed custom in-house dashboards for performance monitoring, metrics gathering, reporting, and data management. Led the project to develop and implement a UI library across the organization, documented and managed in Storybook.

Front End Architect · Nelnet BankJan 2021 – Jan 2024 · 3 yrs 1 mo
Senior UI Engineer · NikeJan 2020 – Jan 2021 · 1 yr 1 mo
Senior UI Engineer · MetovaJan 2019 – Jan 2020 · 1 yr 1 mo
Engineering Lead · AccretiveJan 2017 – Jan 2019 · 2 yrs 1 mo
Principal Software Engineer · ToyotaJan 2016 – Jan 2017 · 1 yr 1 mo

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