Senior Frontend Engineer

Description Welcome to Chargeflow Chargeflow is at the forefront of fintech + AI innovation, backed by leading venture capital firms. Our mission is to build a fraud-free global commerce ecosystem by leveraging the newest technology, freeing online businesses to focus on their core ideas and growth. We are building the future, and we need you to help shape it. This is not your typical frontend role. If you're looking to spend your days moving tickets across a board, implementing screens from Figma, and staying inside clearly defined boundaries - this role probably isn't for you. But if you want to shape architecture, influence product decisions, mentor engineers, and build the foundation of a fast-growing AI-native fintech company - keep reading. What we're actually building At Chargeflow, we're fighting one of the biggest problems in global commerce: chargeback fraud. Every day, our platform makes thousands of decisions that directly impact merchant revenue. Behind every decision is data, automation, AI, and a product experience that needs to be fast, reliable, and intuitive. As our product grows, the frontend becomes more than just a UI layer. It becomes the operating system our customers rely on to understand, control, and optimize their business. This is where you come in! Requirements What you'll actually do build features - but you'll also shape how we build them own complex frontend domains from design discussions to production help drive our migration from JavaScript to TypeScript and raise engineering standards along the way make architectural decisions that impact scalability, maintainability, and developer experience define patterns for state management, data fetching, testing, and component design work closely with Product, Design, and Backend engineers to turn ambiguity into exceptional user experiences improve performance, accessibility, reliability, and overall product quality mentor other engineers and help elevate the team's frontend craftsmanship help define what modern frontend engineering looks like in an AI-first company What we care about (beyond years of experience) You have strong React experience and understand the ecosystem deeply You think about architecture, not just implementation You write TypeScript because it helps you build better systems, not because it's on a checklist You understand the tradeoffs behind state management, rendering performance, and application structure You care about code quality, testing, maintainability, and developer experience You take ownership beyond the ticket you're assigned You enjoy collaborating with Product and Design, not just receiving requirements You help make the people around you better AI is part of the job! You actively use AI tools such as Cursor, Claude Code, ChatGPT, Codex, or similar in your daily workflow You understand where AI accelerates engineering productivity, and where human judgment still matters You're curious about how AI changes software development and how engineering teams should evolve alongside it You don't just consume AI tools - you experiment with them What makes this role different You won't just build UI --> you'll shape the frontend platform You won't just deliver features >> you'll influence architecture You won't just write code >> you'll help define engineering standards You'll work on real business-critical systems with direct customer impact You'll help build an AI-native engineering culture from the ground up You'll have meaningful ownership and a seat at the table when technical decisions are made Stack (for context, not as a checklist) React TypeScript React Query Jest React Testing Library Cypress Vite / Webpack Storybook Sentry CI/CD About Chargeflow Chargeflow is building the future of chargeback automation. Backed by $49M from leading investors including Sequoia Capital, Viola Growth, OpenView, and other top-tier funds, we're on a mission to create a fraud-free global commerce ecosystem. We're a product-led company operating at the intersection of fintech, AI, and eCommerce, helping merchants recover revenue and eliminate operational overhead through automation. We're growing fast, shipping constantly, and building for scale. If you want to work with great people, solve meaningful problems, and help define how modern engineering teams operate in the age of AI, we should talk. Super-competitive compensation for those who fit ⚡️