Software Engineer II (Frontend, AI Platform)

United States Digital Space LLC; Boston (MA); On-site; USD 125,000 - 175,000; Full time

Job summary

United States Digital Space LLC is seeking a Software Engineer II (Frontend) to shape user experiences for our wearable tech platform. You will work from concept to production, using modern web technologies and AI-assisted workflows to ship features.

Based in Boston, MA, you may relocate if needed to our office. The role emphasizes a strong product sense, collaboration with product/design/backend teams, and delivering responsive, accessible interfaces.

Qualifications

• 5+ years of professional frontend or full stack experience.
• Production web apps with Next.js, React, and Tailwind CSS.
• End-to-end feature development from ideation to launch.
• Strong product sense and user-focused design.
• Experience building responsive, mobile-first interfaces.
• Ability to prototype rapidly in fast-paced environments.
• Experience integrating with RESTful APIs.
• Excellent cross-functional collaboration.

Responsibilities

• Translate product goals into intuitive, polished user experiences from concept through production.
• Prototype, iterate, and ship member-facing features using AI-assisted workflows.
• Build and maintain high-quality, performant web apps with Next.js, React, Tailwind.
• Design responsive, mobile-first interfaces across devices.
• Collaborate with product, design, and backend teams on UX decisions.
• Promote frontend architecture, performance, accessibility, and maintainability.

Skills

Frontend development

Full stack development

Next.js

React

Tailwind CSS

UI/UX focus

Tools

Next.js

React

Tailwind CSS

Job description

At the company, we’re on a mission to unlock human performance and healthspan. the company empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable technology and software platform provide personalized insights that help individuals optimize their health, fitness, and recovery.

As a Software Engineer II (Frontend), you will play a key role in shaping and delivering the user experiences that power the company’s digital products. You will contribute to the design and development of member-facing experiences from concept through production, leveraging modern web technologies and AI-assisted development workflows to rapidly prototype, iterate, and ship high-quality features. This role is ideal for an engineer with strong product intuition, a high bar for user experience, and a desire to grow their ability to translate ambiguous problems into polished, user-centric solutions.

RESPONSIBILITIES:

• Translate product goals into intuitive, polished user experiences, contributing to features from concept through production
• Rapidly prototype, iterate, and ship member-facing features using modern AI-assisted development workflows
• Build and maintain high-quality, performant web applications using Next.js, React, and Tailwind CSS
• Design and implement responsive, mobile-first user interfaces that deliver a seamless experience across devices
• Collaborate closely with product, design, and backend teams to help shape product and UX decisions
• Establish and promote best practices in frontend architecture, performance, accessibility, and maintainability

QUALIFICATIONS:

• 5+ years of professional experience in frontend or full stack software development
• Strong experience building production web applications using Next.js, React, and Tailwind CSS
• Demonstrated ability to contribute to user-facing features end-to-end, from ideation through launch
• Strong product sense with a focus on delivering intuitive and high-quality user experiences
• Experience building responsive, mobile-first interfaces
• Comfort working in fast-paced, iterative environments with an emphasis on rapid prototyping and continuous improvement
• Experience integrating with RESTful APIs and working across the stack when needed
• Strong problem-solving skills and ability to navigate ambiguity with support from senior team members
• Excellent communication and collaboration skills, with experience working cross-functionally

Learn more about our Software Org and how to be successful in yourengineeringcareer at the company via ourCareer Framework.

This role is based in the the company office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

the company is an Equal Opportunity Employer and participates inE-verifyto determine employment eligibility. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

The the company compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.

At the company, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of the company and share in the company’s long-term growth and success.

The U.S. base salary range for this full-time position is $125,000 - $175,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training.

In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.

These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.