Description:

Close is a bootstrapped, profitable, 100% remote company with a team of around 100 individuals focused on building a CRM that enhances communication without manual data entry or complex UI.
The Senior Software Engineer will join one of six cross-functional product development teams, collaborating with frontend and backend engineers, product managers, and designers.
Responsibilities include conceiving, designing, building, and launching new user-facing features, implementing AI features, improving calling and SMS features using Twilio's API, and enhancing real-time collaboration user experience.
The frontend application is a single-page TypeScript web app primarily built in React, with a mobile app developed using React Native.
The company values performance, maintainability, and testability in frontend code, and follows a product development process inspired by Shape Up.
The role requires a solid understanding of web technologies and the ability to manage time effectively in a fast-paced, fully distributed team environment.

Requirements:

Candidates should have 5+ years of experience building modern frontend single-page applications in JavaScript, HTML, and CSS, with at least 3 years using React for Senior 1 & 2 levels; Staff level candidates should have 8+ years of experience; Mid-level candidates should have around 3 years of similar experience.
Significant experience in designing, debugging, and optimizing frontend applications is required, along with a thorough understanding of REST APIs and HTTP requests.
Candidates should have experience participating in code reviews and providing suggestions for maintaining code quality.
A strong product sense and the ability to think through user experience issues before coding are essential, along with a passion for great UI.
Candidates must be located in the USA (lower 48 timezones).
Bonus points for experience with real-time web apps, GraphQL endpoints, AI LLMs, design tools like Figma, leading small project teams, contributing to open source, building B2B SaaS products, and experience with sales tools.

Competitive compensation that includes an organization-wide goal-based bonus.
Paid Time Off: 5 weeks of PTO upon joining, plus a Winter Holiday Break and Summer Holiday Break, with 2 extra PTO days awarded each year with the company.
An 80% work option allows employees to choose between a standard 5-day work week or a 4-day week at 80% pay.
Paid parental leave is available for primary and secondary caregivers.
After 5 years with the team, employees are eligible for a 1-month paid sabbatical.
Healthcare benefits for US residents include medical, dental, vision with HSA options, and dependent care FSA.
A 401k plan with a 6% contribution match and immediate vesting is available for US residents.