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Senior Full Stack Engineer - Core UX (USA)

kalepa

Full Stack Full-time Permanent United States

Job details

$165K - $225K Salary
United States Eligibility
Senior Experience
Full-time Employment

About this role

Role overview A senior full stack engineer is needed to join a Core UX team focused on refining an existing product into a polished, premium-feeling experience. The work centers on consistency, layout quality, interaction responsiveness, and visual polish, with significant individual influence inside a small, cross-disciplinary engineering organization.

Responsibilities - Iterate on existing product functionality to improve layout, interactions, responsiveness, and visual polish across the application - Maintain a cohesive design language and consistent user experience across surfaces and releases - Implement performance improvements that materially affect end users - Collaborate with full stack, data, ML, and DevOps engineers to ship scalable solutions - Take ownership of projects from scoping through delivery with minimal oversight - Communicate proactively, surface blockers, and keep stakeholders informed

Requirements - 5+ years of software engineering experience with a track record of polishing features to a high standard - Strong fundamentals in system design, debugging, and problem solving - Experience with a modern frontend framework, preferably React - Proficiency in JavaScript, TypeScript, or Python (open to strong candidates from other object-oriented backgrounds) - Familiarity with serverless technologies (e.g., Lambda, EC2), asynchronous workflows, and cloud environments - Comfort with relational databases, ideally PostgreSQL

Nice to have - Experience with LLMs, generative AI, or distributed systems

Benefits and work setup - Estimated salary range of $165K–$225K, with placement influenced by experience, interview performance, and location - Significant equity options package - 20 days of PTO per year plus global team offsites - 100% covered PPO medical, vision, and dental for individuals and families - 401(k) plan with employer contribution regardless of employee contribution - Healthy living/gym stipend, mobile phone stipend, and continuing education credits

Skills detected in the listing

TypeScriptJavaScriptReactPythonPostgreSQLStakeholder Management
Detected Sep 3, 2026
Last verified Sep 3, 2026
Original source: job-boards.greenhouse.io · application link requires Hidden Jobs Access

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