Staff UI Software Engineer

Basis

19h•Hybrid

About The Position

Basis Technologies' innovative Engineering team designs and develops new features and integrations for Basis, our industry-leading, comprehensive software solution. We are deeply committed to building software that will change the ad tech industry for the better and are equally dedicated to building an inclusive culture of highly motivated individuals who create a positive and supportive environment together. The UI Foundations team builds and maintains the design systems, front-end utilities and tooling, and core UI standards utilized by all our other application feature teams. As a member of the team, you will play a crucial role in building the robust, dependable building blocks that are the foundation of our customer-facing interfaces.

Requirements

Min of 8 years of professional software experience.
A solid understanding of the JavaScript language and React.js library, as well as the patterns common in UI development—such as state management, routing, web accessibility, form validation, and unit testing.
Familiarity and expertise with design systems, reusable components, and modern front-end tooling (NPM, Webpack/Vite, micro-frontends).
Deep experience creating fast, predictable, and responsive interfaces.
Fluency with AI coding tools (Claude Code, Cursor, Codex, etc.) as a core part of the development workflow — for code generation, debugging, exploration of unfamiliar codebases, and documentation — paired with strong judgment for evaluating, refining, and taking full ownership of AI-generated output.
An ability to diagnose and fix performance bottlenecks in your code.

Nice To Haves

Thoughtful approach to collaboration, design, and decision-making that prioritizes equity, access, and continuous learning.
Commitment to creating inclusive, respectful environments where all voices are valued and supported.
Strong product and design intuition.

Responsibilities

Drive large-scale technical projects that depend on multiple teams and systems.
Establish and champion best practices and quality standards with the team.
Set a positive example and mentoring others on how to collaborate in pull requests, demos, and working relationships.
Contribute to a culture of learning and high standards of technical achievement.
Drive significant architectural changes, sunset legacy systems, and improve UI performance and quality—for both internal engineers and Basis customers.
Take ownership of team deliverables and being accountable for driving projects from ideation through production.
Demonstrate a deep understanding of our application's business domain and stakeholder needs.
Use your knowledge to proactively identify risks and blockers during planning discussions, architecture discussions, and RFCs.
Ensure feasibility and alignment between business goals and technical implementation for large-scale projects.
Embody Basis' core principles while fostering a team culture of positivity, clarity, strong work ethic, and diversity of thought.