Senior Frontend Developer

builds field force proficiency for revenue growth. Think of revenue as the “game scoreboard”, and BigSpring AI as the practice engine for people to get ready for the game. Google, Pfizer, SAP, Cisco, HSBC, Tata, Liberty Global use BigSpring AI across their ecosystem of sales teams and partners. Customers have seen 2x sales productivity, 215% uplift in upsell, 9x faster time to market, and more. John Chambers, Adam Grant, Stewart Butterfield, Marty Nestbitt (chair of the Obama Foundation), Claire Hughes Johnson (COO of Stripe), Mark Templeton (President & CEO of Citrix) are investors/advisors. As a Front End/Full Stack Engineer on the BigSpring Core team, you will play a key role in designing, developing, and maintaining frontend projects, driving the technical architecture, and contributing to the evolution of our platform’s user-facing experiences. This is a unique opportunity to leverage the latest web technologies, including Next.js, React.js, JavaScript, CSS, Typescript, AWS and GraphQL, while also collaborating on innovative projects that involve Machine Learning (ML) and Large Language Models (LLMs) We're seeking a passionate Frontend Engineer with a strong focus on UI/UX to help us build intuitive and impactful user experiences for our critical internal tools, working on projects visible to the CEO level. Leading the architecture and development of scalable, performant frontend systems using React (often with Next.js) and TypeScript Building elegant, intuitive interfaces Building reusable component libraries and design systems to support consistency and velocity across multiple product surfaces Optimizing web applications for performance, accessibility, and cross-browser compatibility at scale Integrating AI-driven product features and dynamic data flows into the frontend experience Working within a modern cloud-native stack (e.g., Vercel, AWS/GCP, CI/CD pipelines) alongside backend and infra teammates Design, develop, test, and maintain high-quality, responsive user interfaces and components using React, NextJS, TypeScript, and SSR Collaborate closely with product managers, business stakeholders, backend engineers, and users to translate requirements and feedback into effective frontend solutions. Take ownership of the user experience, applying UI/UX best practices, proposing design improvements, and implementing solutions even when detailed mockups are not provided. Write robust unit tests for your code using frameworks like Vitest, and contribute to establishing and maintaining end-to-end testing practices (e.g., using Cypress or Playwright). Integrate frontend components with backend REST APIs Actively participate in Agile/Scrum ceremonies, including sprint planning, daily stand-ups, code reviews, and retrospectives. Contribute to frontend architecture discussions, justifying design choices and helping implement scalable and maintainable solutions. Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. ~6+ years of professional software development experience, with a strong focus on frontend development. ~ Proven expertise in building complex web applications using React, Next.js, and TypeScript. ~ Strong proficiency in modern JavaScript (ES6+), HTML5, and CSS3. ~ Experience with state management libraries (e.g., Solid understanding of responsive design principles and experience Competitive compensation package with equity Flexible location and work-from-home Medical, vision, and dental coverage Flexible vacation and PTO Female Founder/CEO BigSpring does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis covered by appropriate law.