Senior UI Engineer

About the role

The Senior UI Engineer will architect and lead the modernization of the front end of ENFOS's Environmental Obligation Subledger Accounting Platform. This critical system supports global industrial enterprises in managing their Environmental Obligation Programs under U.S. GAAP and IFRS standards.

Responsibilities

• Define how finance, accounting, and operations stakeholders engage with dense financial, scientific, and operational data within a multi-regulatory reporting framework.
• Define scalable front-end architecture patterns for performance, state management, and API integration.
• Establish and govern a formal design system and reusable component library.
• Optimize large data grids, reporting views, and multi-entity workflows for clarity and speed.
• Partner with Product and Engineering to influence roadmap and system-level architecture decisions.
• Build scalable pages and modular React components aligned with long-term maintainability.
• Continuously elevate usability, interaction quality, and visual consistency across the platform.

Qualifications

• 5+ years of hands-on front-end development experience using React or a comparable modern framework.
• Proven experience architecting scalable front-end systems and design systems in production enterprise environments.
• Demonstrated experience designing and shipping complex, data-dense B2B SaaS applications.
• Demonstrated ability to design workflow-heavy interfaces with strong usability, performance, and audit considerations.
• Strong systems thinking with the ability to translate financial and regulatory requirements into intuitive user experiences.
• Exceptional communication skills with the ability to defend architectural and UX decisions across technical and non-technical stakeholders.

Preferred Qualifications

• Experience designing financial, regulated, or audit-driven enterprise software.
• Experience modernizing legacy front-end architectures within multi-module platforms.
• Advanced proficiency in Figma or comparable tools including design system governance.
• Experience integrating analytics, experimentation, or AI capabilities into enterprise workflows.