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Flexible Ui Design System Engineer Jobs (NOW HIRING)

OnCorps LLC

UI Engineer

Boston, MA

$113K - $151K/yr

UI Engineer Boston/NYC OnCorps AI is the leading enterprise Agentic AI solution for middle and back ... Partner directly with the OnCorps design team to evolve and govern our design system establishing ...

MetroStar

Sr. UI/UX Designer I (6705)

Herndon, VA · On-site

$166K - $202K/yr

... engineers to deliver an intuitive, accessible, and visually compelling experience. You'll also ... Design and establish the foundational UI kit and scalable design system that will serve as the ...

MetroStar

Sr. UI/UX Designer I (6705)

Washington, DC · On-site

$166K - $202K/yr

... engineers to deliver an intuitive, accessible, and visually compelling experience. You'll also ... Design and establish the foundational UI kit and scalable design system that will serve as the ...

MetroStar

Sr. UI/UX Designer I (6705)

Herndon, VA · On-site

$166K - $202K/yr

... engineers to deliver an intuitive, accessible, and visually compelling experience. You'll also ... Design and establish the foundational UI kit and scalable design system that will serve as the ...

Bitwarden

Staff Design System Engineer (UI Foundation)

$180K - $245K/yr

As a Staff Design System Engineer on the UI Foundation team at Bitwarden, you will be responsible for building and maintaining core front-end cross-cutting areas of our codebase. This includes ...

Conflux Systems

UI/UX product design

Portland, OR · On-site

... design system for consistency across brands and platforms. * Work closely with engineers to ensure ... UI or product design. * Strong portfolio demonstrating shipped or production-ready digital ...

Peraton

UX/UI and 508 Compliance Engineer

$86K - $138K/yr

Design and contribute new reusable components to the Design System. * Ensure all interfaces support ... Collaborate with developers, product managers, scrum masters, and federal stakeholders to ensure UX ...

OnCorps LLC

UI Engineer

Boston, MA · On-site

$113K - $151K/yr

UI Engineer Boston/NYC OnCorps AI is the leading enterprise Agentic AI solution for middle and back ... Partner directly with the OnCorps design team to evolve and govern our design system establishing ...

System One

UX/UI Designer

Vienna, VA · Remote

Apply and contribute to the enterprise design system to ensure consistency, accessibility, and ... Collaborate with Product Owners, Business Analysts, and Engineering teams (including Microsoft ...

Codvo.ai

(US) Senior UX/UI Designer

New York, NY · On-site

Contribute to the evolution and maintenance of design systems in collaboration with design and engineering teams. * Ensure scalability and reusability of UI components across products. Post-Design ...

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Flexible Ui Design System Engineer information

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How much do flexible ui design system engineer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for flexible ui design system engineer in the United States is $118,589.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,000.00 and $137,000.00 per year, depending on experience, location, and employer.
What are the most commonly searched types of Ui Design System Engineer jobs? The most popular types of Ui Design System Engineer jobs are:
Flexible Ui Design System Engineer jobs near you
Infographic showing various Flexible Ui Design System Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 67% Full Time, 29% Part Time, and 3% Contract. Highlights an 86% Physical, 1% Hybrid, and 13% Remote job distribution, with an average salary of $118,589 per year, or $57 per hour.

UI Engineer

OnCorps LLC

Boston, MA

$113K - $151K/yr

Full-time

Re-posted 25 days ago

Job description

UI Engineer
Boston/NYC

OnCorps AI is the leading enterprise Agentic AI solution for middle and back-office automation. The company delivers production-ready AI agents that automate reconciliation, exception resolution, and oversight workflows for the world's largest asset managers, fund administrators and managed service providers. OnCorps' agentic AI architecture enables fully autonomous processing of complex middle and back-office workflows while maintaining the transparency, control, and auditability required by global financial institutions. Clients rely on OnCorps to deliver measurable operational efficiency and accuracy improvements across mission critical processes.

We are seeking a seasoned UI Engineer to bridge the gap between design and engineering. In this role, you will be instrumental in establishing the frontend architecture that powers our applications. You will work closely with the OnCorps design team, bringing their vision to life while providing the technical expertise necessary to scale our design system. Our environment values adaptability and rapid iteration, requiring a focus on creating highly modular, interchangeable UI components.


Key Responsibilities

  • Architect, develop, and maintain highly responsive, accessible, and scalable user interfaces using modern web technologies.
  • Partner directly with the OnCorps design team to evolve and govern our design system establishing best practices for component architecture and interaction design.
  • Collaborate with backend engineers to integrate frontend applications with robust middleware and backend APIs, ensuring smooth data handling, state management, and application performance.
  • Operate with a framework-agnostic mindset, applying deep expertise in core web fundamentals to build applications primarily utilizing React or Angular.
  • Help drive frontend innovation by exploring and adopting cutting-edge interaction models as we define our future agent framework.

What We're Looking For

  • 5+ years of professional experience in frontend development, UI engineering, or a related field.
  • Strong proficiency in JavaScript/TypeScript, HTML5, and modern CSS/styling methodologies.
  • Deep understanding of modern, component-driven frontend frameworks such as React or Angular, with the flexibility to adapt to the best tool for the job.
  • Proven track record of building, documenting, and maintaining robust design systems using Storybook.js or similar tools.
  • Solid experience working with middleware, RESTful/GraphQL APIs, and state management.
  • A product-focused mindset with a strong appreciation for UX/UI design principles.
  • A passion for staying ahead of the curve in frontend technology and how AI is shaping the future of user interfaces.
  • Prior exposure to middle- and/or back-office operations within the financial industry or fund administration is a plus.


Apply today and be a part of the future of financial services technology!


OnCorps LLC is an equal opportunity employer committed to diversity and inclusion. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, pregnancy, age, marital status, veteran status, or disability status. We provide reasonable accommodations for persons with disabilities. Applicants with equal employment opportunity questions should contact OnCorps at hr@oncorps.io or (617) 286-4448. Retaliation against applicants raising EEO issues is prohibited.

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