Senior Frontend Developer

The Company

FL100, Inc. is a privately held, early-stage company pioneering the use of artificial intelligence-based agents to build an integrated, end-to-end platform for AI-driven product innovation. FL100 has created intelligent and reliable AI agent-powered workflows for emergent product innovation. Emergent product innovation leads to new products with breakthrough market adoption that generate new sources of value by solving for large unmet consumer needs and creating demand that did not exist previously.

We're leveraging multi-agent systems to accelerate growth, speed up product design innovation, and automate e-commerce operations. Our vision is to create a multi-platform service that empowers anyone to build and operate an e-commerce business efficiently. Currently, we offer a Shopify app that demonstrates our capabilities, with plans to expand across various e-commerce platforms and online marketplace.

FL100 is backed by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and builds companies that invent breakthrough technologies to transform health care, agriculture, and sustainability. Flagship has created over 100 groundbreaking companies since 2000, including Moderna.

The Role We’re seeking a Frontend Developer to help build and enhance our AI-driven e-commerce automation platform. You will be responsible for developing and optimizing user interfaces using React, ensuring a seamless and engaging experience for our customers. Working closely with our product and engineering teams, you will translate complex AI-powered functionalities into intuitive and scalable web applications.

Key Responsibilities

• Develop, optimize, and maintain user-facing features using React and modern frontend technologies.
• Collaborate with designers, backend engineers, and product managers to create intuitive and high-performing UI components.
• Implement responsive and accessible designs that work seamlessly across devices.
• Ensure frontend applications are fast, secure, and scalable through performance optimization and best coding practices.
• Integrate APIs and manage state efficiently using modern React patterns, such as hooks and context.
• Troubleshoot and debug issues to maintain a high standard of code quality.
• Stay up to date with the latest frontend trends, tools, and best practices.

Qualifications

• 3+ years of experience in frontend development, with a strong focus on React.
• Proficiency in JavaScript, TypeScript, HTML, and CSS.
• Experience with state management libraries such as Redux, Zustand, or React Context.
• Familiarity with component libraries like Material-UI, Tailwind CSS, or Chakra UI.
• Strong understanding of performance optimization techniques, including lazy loading, code splitting, and memoization.
• Experience integrating RESTful APIs and working with backend teams.
• Knowledge of modern build tools and version control (Webpack, Vite, Git).
• Strong problem-solving skills and the ability to write clean, maintainable code.

Preferred Qualifications

• Experience with Next.js for server-side rendering and static site generation.
• Familiarity with GraphQL and Apollo Client.
• Exposure to testing frameworks such as Jest, React Testing Library, or Cypress.
• Prior experience in e-commerce, SaaS platforms, or AI-driven applications.
• Comfortable working in a fast-paced startup environment.

More About Flagship Pioneering

Flagship Pioneering is a bioplatform innovation company that invents and builds platform companies, each with the potential for multiple products that transform human health or sustainability. Since its launch in 2000, Flagship has originated and fostered more than 100 scientific ventures, resulting in more than $90 billion in aggregate value. Many of the companies Flagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.  Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company’s annual list of the World’s Most Innovative Companies. Learn more about Flagship at www.flagshippioneering.com.

Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

At Flagship, we recognize there is no perfect candidate. If you have some of the experience listed above but not all, please apply anyway. Experience comes in many forms, skills are transferable, and passion goes a long way. We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.