Senior UX Engineer - Prototyping, Design Systems & Front-End

Aptima Inc.; Mishawum (MA); On-site; USD 135,000 - 154,000; Full time

Job summary

Aptima Inc. in the United States seeks a UX Engineer to blend design, prototyping, and front‑end development for production web apps.

You will shape high‑quality, intuitive user experiences that scale across products and customer environments. Collaborating with UX researchers, designers, and engineers, you will develop prototypes, evolve design systems, and maintain reusable UI component libraries while applying best practices in accessibility and performance.

Qualifications

• Bachelor's degree in a relevant STEM field.
• Experience with React, Angular, TypeScript, HTML, CSS.
• Proven ability to design and produce UX deliverables.
• Experience designing scalable UI components and design systems.
• Prototyping and customer-facing collaboration experience.
• Portfolio with front-end engineering samples; GitHub repo.

Responsibilities

• Front-End Application Development: Develop modern front-end applications using React, Angular, TypeScript, and component-based frameworks; build responsive, intuitive UI components.
• UX Engineering & Prototyping: Design and implement user-friendly features with a focus on interactions, animations, and micro-details; create, extend, and maintain design systems and reusable patterns.
• Collaboration & Cross-Functional Work: Work with UX Researchers, Designers, Senior Software Engineers, and customers to define features and concepts.
• Software Engineering Practices: Develop commercial and enterprise-grade front-end software across the full development lifecycle, including debugging and maintaining code.
• Typical Functions: Apply user research, data interpretation, ideation, UI design, and front-end development to create products and features.

Skills

Front-end development

UX design

Prototyping

Collaboration

Education

Bachelor's degree in STEM

Tools

React

Angular

TypeScript

HTML/CSS

Job description

Aptima Inc. in the United States seeks a UX Engineer to blend design, prototyping, and front‑end development for production web apps.

You will shape high‑quality, intuitive user experiences that scale across products and customer environments. Collaborating with UX researchers, designers, and engineers, you will develop prototypes, evolve design systems, and maintain reusable UI component libraries while applying best practices in accessibility and performance.