Senior Software Engineer - Frontend/React

Close (Headquarters: Remote)

React Frontend Remote Full-Time CRM Software Engineer Senior JavaScript UI UX HTML CSS Front End Engineer Staff Engineer

**About Close:**

Close is a bootstrapped, profitable, 100% remote company of ~100 thoughtful individuals. We build a Sales CRM Software that our customers love, focusing on making a meaningful impact and taking ownership. We operate with transparency and prioritize work-life balance.

**About the Role:**

We are looking for a high-achieving Senior Frontend Software Engineer with a strong understanding of web technologies, particularly React, to join our fully remote US-based team. You will help design, implement, launch, and scale major user-facing features for our CRM product, ensuring a delightful user experience.

**Responsibilities:**

*   Design, develop, test, deploy, maintain, and improve frontend features and user interfaces using React.
*   Collaborate closely with backend engineers, product managers, and designers to translate requirements and designs into high-quality code.
*   Build reusable components and frontend libraries for future use.
*   Optimize applications for maximum speed and scalability.
*   Ensure the technical feasibility of UI/UX designs.
*   Take ownership of frontend projects from conception to launch.
*   Contribute to code reviews and mentor other engineers.

**Requirements:**

*   Proven experience as a Frontend Engineer, with significant expertise in React and its ecosystem (e.g., Redux, Next.js).
*   Strong proficiency in JavaScript, HTML5, and CSS3.
*   Experience with modern frontend build pipelines and tools (e.g., Webpack, Babel, NPM/Yarn).
*   Understanding of RESTful APIs and asynchronous request handling.
*   Experience with testing frameworks (e.g., Jest, React Testing Library).
*   Excellent problem-solving and communication skills.
*   Ability to work independently and collaboratively in a remote environment.

**Ideal Candidate:**

*   You are passionate about building intuitive, performant, and accessible user interfaces.
*   You have a keen eye for detail and user experience.
*   You thrive in a remote, autonomous environment and take initiative.
*   You have experience working on complex SaaS applications.
*   You value clean code, testing, and sound engineering practices.
*   You are based in the USA and authorized to work.