Sr UI Software Engineer

Job Title

At Basis, we empower agencies and brands with cutting-edge software that automates digital media operations. Our all-in-one platform supports seamless planning, reporting, and financial reconciliation across direct, programmatic, search, and social media.

We're not just building advanced technology; we're also building a culture where passionate, motivated individuals come together to drive meaningful change. Our commitment to inclusivity and growth ensures our employees thrive both professionally and personally.

With our headquarters in Chicago, we offer flexible work options across the U.S. and Canada, including remote, hybrid, or on-site at headquarters.

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.

What You Bring To The Table

• 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.
• 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.

Our Stack

• JavaScript, React.js, TypeScript, Node.js
• Ruby on Rails, Ruby, Java
• AWS, Docker
• PostgreSQL, Redis
• RabbitMQ, Sidekiq

$136,908 - $185,000 a year

Integrity in Hiring

At Basis, integrity is at the core of how we hire. To protect our candidates and our company, we verify identity, education, and employment history for all hires. Some roles may also require onsite or in-person interviews as part of the process. Any misrepresentation of identity, experience, or skills may result in removal from the hiring process or termination of employment. We value transparency and authenticity and expect the same from every applicant.

Life With Basis

We're committed to our people's growth and well-being because our success is tied to theirs. That's why we've earned recognition as a top workplace, including: Ad Age, #1 Best Places to Work, WorkLife's #1 Most Committed to Work Life Balance, and the Chicago Tribune's Top Workplaces in Chicago. We offer competitive perks, including a flexible work week, 401k/RRSP matching, mental health support, paid sabbaticals, generous parental leave, flexible work options, and more.

Basis is proud to be an equal-opportunity employer. We celebrate all team members regardless of gender identity, sexual orientation, race or cultural background, religion, disability, age, and beyond.

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