jobs.pl/Job offers/IT - Software Development/Principal Software Engineer, UX – Asset Management Technology Foundations
Source: CrawlJobs

Principal Software Engineer, UX – Asset Management Technology Foundations

Fidelity Investments Boston, United States
Employment contract Full-time On-site work

Publication date: 01/09/2026

We are seeking a Principal Engineer specializing in UX Design Systems to lead the architecture, quality, and adoption of enterprise design system. This is a senior hands-on technical role with a strong UX bar. You will be responsible for translating user experience principles into scalable, reusable, and accessible design system assets—including design tokens, component libraries (e.g., PrimeNG-based), theming frameworks, and UX standards. You will work at the intersection of UX design and engineering, ensuring that the design system is both user-centered and production-ready, enabling teams to deliver consistent, high-quality experiences across a complex application ecosystem. The Architecture and Technology Foundation (ATF) team is a central team within Asset Management that provides ready-to-use solutions composed of standard technology stacks, development frameworks, reusable software components and services. As a member of the team, you will work on Integrated Experience Platform capabilities - web and desktop experience platforms, design systems, shared component libraries and core UI frameworks that power applications across Asset Management.

Responsibilities

Lead the architecture, quality, and adoption of enterprise design system; Translate user experience principles into scalable, reusable, and accessible design system assets—including design tokens, component libraries (e.g., PrimeNG-based), theming frameworks, and UX standards; Work at the intersection of UX design and engineering, ensuring that the design system is both user-centered and production-ready; Enable teams to deliver consistent, high-quality experiences across a complex application ecosystem; Work on Integrated Experience Platform capabilities - web and desktop experience platforms, design systems, shared component libraries and core UI frameworks that power applications across Asset Management

Requirements

Bachelor's degree in human-Computer Interaction, Interaction Design, Computer Science, or a related field; Extensive experience building and scaling enterprise design systems (tokens, theming, component libraries, governance); Proven ability to translate UX design into reusable, systemized engineering assets adopted across large ecosystems; Hands-on experience with component ecosystems such as PrimeNG or equivalent UI libraries; Deep expertise with Figma and modern design-to-development workflows; Experience driving UX consistency across multi-application platforms – Desktop, Web and Mobile; Ability to influence UX standards, design system adoption, and platform direction at scale; Strong proficiency in HTML5, CSS3, and TypeScript, with deep expertise in building scalable, maintainable UI systems; Hands-on experience developing and maintaining design token systems, reusable UI components and patterns, and theming and styling architectures; Experience working with and extending component frameworks (e.g., PrimeNG) to align with enterprise UX standards; Strong understanding of accessibility (WCAG) and inclusive design practices; Ability to ensure visual and interaction consistency across diverse applications; Experience collaborating closely with designers to ensure fidelity between design and implementation; Ability to create prototypes, interaction patterns, and UX validations as needed; Familiarity with integrating AI tooling into the design system lifecycle, including AI-assisted design generation, code generation and UI scaffolding, and automated UX validation and accessibility checks; Understanding of API-driven UI integration and shared platform services; Strong focus on performance, usability, and design quality; Exposure to AI-enabled UX patterns, such as context-aware interfaces, intelligent workflows, personalization and adaptive UI

Nice to have

Experience with desktop interoperability platforms and standards, including FDC3, and related interop products, enabling application composition, context sharing, and cross-application workflows; Advanced degree preferred

Benefits

Comprehensive health care coverage and emotional well-being support; Market-leading retirement; Generous paid time off and parental leave; Charitable giving employee match program; Educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career; Bonus or other variable compensation depending on position and eligibility requirements
Apply with employer

Similar offers

All →

Cookie settings

Each purpose is optional and off by default. You can withdraw consent at any time.

Showing offers closest to you