Senior Frontend Developer

Why Gravitate?

At Gravitate, we’re on a mission to put everyday supply and logistics decisions in motion, powered by innovative problem-solving from industry experts.

A lot of companies say it. We mean it: Gravitate is different. Rooted in the spirit of collaboration, we thrive on the smarts of our people and the dynamic we’ve cultivated.

Tell Me About My Job:

If you are considering this role, you are someone who is passionate about the front-end user experience and has a proven track record of delivering elegant, intuitive web-based UIs for enterprise applications. You enjoy coaching and guiding new and junior teammates to become thoughtful, self-starting contributors who have a growing impact on the organization.

Specifically, you will help us evolve and maintain our product using React and TypeScript along with other front-end technologies. In this role, you will be a member of an agile product team tasked with optimizing the gas station supply chain, powered by AI and industry-shaking UX.

Our developers and designers are the driving force behind our product’s success and are very influential in decision-making. We hire creative people and give them the autonomy to do great work. We’re strongly against artificial separations of responsibility and throwing work “over the wall”; instead, we constantly optimize around the highest and best use of our resources.

You’re an Ideal Candidate If:

• You have 6+ years of front-end development experience, particularly with React or other frontend web frameworks.
• You are comfortable working in and contributing to a TypeScript codebase and are proficient with advanced TypeScript concepts.
• Have experience working with React Native, Expo, and are generally comfortable with cross platform native development.
• You understand the power and challenges of the React ecosystem, including state management solutions, component reuse, and performance.
• You have strong experience working with REST APIs and managing server state in React, particularly with react query.
• You are experienced with CSS and modern styling approaches in JS frameworks.
• You have experience organizing and managing a reusable component library for multiple codebases.
• You are comfortable managing pull requests, utilizing code reviews as teaching opportunities, and handling git management and versioning.

Duties/Responsibilities:

• Operate within small, cross-functional pods to drive day-to-day feature development, partnering asynchronously with product owners and designers to rapidly iterate on requirements and acceptance criteria
• Driving forward our TypeScript initiative and moving us towards 100% type coverage.
• Develop and maintain a React Native (Expo) in-cab application used daily by our customer’s drivers.
• Curating and maintaining storybook (component documentation) for our shared component library excalibrr.
• Creating extensible and reusable components that provide significant value across all our products.
• Assisting in solutioning and architecting large front-end stories that other developers might work on.
• Exercise creativity and challenge the status quo to improve front-end applications, including the tools, technologies, and approaches we use.
• Investing in and growing our frontend and software knowledge base, including technical documentation, setup guides, claude rules, etc.

Nice to Have Experience:

• Experience with a UI component library like AntD or MaterialUI.
• Experience with translating frontend applications with i18n.
• Experience with LLM / agentic coding tools like Claude Code or Github Copilot
• Familiarity with AG Grid.
• Knowledge of @tanstack/react-query.
• Experience with our backend stack (Python, MongoDB, Kubernetes)
• Experience working with Docker and GitHub Actions.
• Experience building and maintaining large-scale, enterprise SPAs.
• Experience owning and maintaining npm packages and dealing with the challenges of using them across multiple applications.
• Experience with modern testing frameworks (e.g., React Testing Library, Jest, Cypress).
• Experience with data visualization libraries (Google Maps, D3, Highcharts, or Nivo).
• An advocate for building beautiful, usable products, with a strong emphasis on design and user experience throughout the software lifecycle.

About the Gravitate team:

To understand who our people are, you should first understand what they’re not: replaceable. Each member of the team is chosen careful…