Senior Frontend & SDK Engineer - AI-Driven, Unlimited PTO

Spangle; Austin (TX); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k)

Unlimited PTO

Job summary

Madrona Venture Labs in Austin seeks a Senior Fullstack Engineer proficient in JavaScript, TypeScript, React, and Next.js. This role involves building client-side SDK frameworks, developing scalable applications, and integrating backend systems. Candidates should have 5+ years of experience and a proven track record in enterprise environments. Benefits include health insurance, 401(k), and unlimited PTO. Join us to build foundational technology at a fast-growing AI startup.

Qualifications

• 5+ years of professional software development experience.
• Proven experience building production-grade web applications in multi-tenant or enterprise environments.
• Experience developing distributed client-side SDKs or embedded commerce tools is strongly preferred.

Responsibilities

• Design and implement reusable, distributed JavaScript/CSS SDK frameworks.
• Develop high-performance, scalable web applications using React, Next.js, and Tailwind CSS.
• Integrate frontend logic with RESTful APIs and GraphQL services.

Skills

JavaScript

TypeScript

CSS

React

Next.js

Tailwind CSS

RESTful APIs

GraphQL

Cloud Infrastructure (AWS/GCP)

Frontend Performance Optimization

Tools

Cursor

Codex

Claude code

Job description

Madrona Venture Labs in Austin seeks a Senior Fullstack Engineer proficient in JavaScript, TypeScript, React, and Next.js. This role involves building client-side SDK frameworks, developing scalable applications, and integrating backend systems. Candidates should have 5+ years of experience and a proven track record in enterprise environments. Benefits include health insurance, 401(k), and unlimited PTO. Join us to build foundational technology at a fast-growing AI startup.