SECTION I · THE BRIEF
Brief #01102Updated 21 AUG 2026NEW YORK, NYYcY COMBINATOR
Employbl Company Profile

Senior Software Engineer

Coast is an IT company that offers customization and exclusive links for each prospect.

Location
New York, NY
Company size
20–50
Posted
2w ago
Via
Yc
Section II · Full ProfileFree with an account
  • 01Comp band & equity packageLocked
  • 02Seniority & experience requirementsLocked
  • 03Interview process & rubricLocked
  • 04Hiring manager & team contextLocked
  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked

Free account · no card · 2 minutes

Coast logo

Senior Software Engineer · Coast

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Job title
Senior Software Engineer
Job location
New York, NY, US
Job description
### **About the role** We’re looking for an experienced full-stack product engineer to join us as we build the backbone of technical sales. In this role, you’ll contribute to the entire tech stack, and will need the ability to think critically about product, design, and our customers’ goals. By keeping a lean team, we’ve been able to move fast and want to keep it that way with high performers that take pride in their work. The role reports directly to our Founders and will work alongside our team in-person in our NYC office.  ### **About you** * You love to design, build, and work hard. You’re excited to roll up your sleeves, build something you’re proud of and take ownership. * You are / are excited to become an expert on API-first companies and the best way to showcase their products (bonus: experience working at an API company) * You’re low ego, honest and kind. * You love builder and design tools and enabling technical sellers. * Have experience in React, JS for at least 3 years professionally (React Native, Expo bonus) * Have design experience, strong design thinking skills - a lot of our platform is _visual_ so bring skills and understanding on graphic design (layout, typography, color, etc) * Understanding of modern web technologies ### **You will** * Obsess over the UI/UX for onboarding, building experience (API integrations) and beyond * Collaborate directly with founders on roadmap and prioritization * Architect and develop across our stack * Go the extra mile working on the user experience ### **Tech stack** **Web:** React, RN for Web **Backend:** Node.js, Express, MongoDB ### **Requirements** * Located in New York and able to work in office * Ability to go from 0-to-1 * Deep understanding of React internals, CSS * Ability to architect complex frontend systems * Deep familiarity with current web development trends * 4+ years of engineering experience (React, JavaScript) * Basic understanding of UX/UI principles * Exceptionally fast learner, thriving in a fast-paced environment * Frontend Excellence - you should be able to build any UI or experience ### **Interview Process** * Intro call * Product Deep Dive * Platform Access / Take home activity * Technical Interview * Meet in person * Reference calls
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Where this role is based

New York, NY

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Coast headquarters

Lombard, IL

Company size

2050 employees

Founded

2010

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