Front End Developer
Role Overview
This senior frontend developer role involves building real-time, data-intensive web applications using React.js and Next.js, with a focus on micro-frontend architectures and state management. The hire will work on integrating frontend systems with RESTful APIs and WebSocket-based services, contributing to a team shaping a fairer digital marketplace through innovative, high-frequency platforms.
Perks & Benefits
The job is fully remote, likely with flexible hours and collaboration tools like Slack and Jira, fostering an inclusive and innovative culture. Career growth opportunities are implied through involvement in cutting-edge projects, such as real-time data systems and payment integrations, within a diverse team passionate about equitable digital solutions.
Full Job Description
About ZZAZZ
ZZAZZ is building the foundation for the future of the information economy. We believe that digital content deserves more than arbitrary monetization models and opaque metrics. By assigning transparent, real-time value to the world’s data and insights, we empower
everyone—from the casual user who sees the price and understands its worth to creators, consumers, advertisers, and businesses—to engage in a more equitable and meaningful exchange.
Our mission centers on trust, innovation, and inclusivity. We bring together a diverse team of thinkers, builders, and problem-solvers passionate about shaping a fairer digital marketplace—one that respects the complexity and worth of information and the people who produce it.
Required Experience & Skills
Proficient in JavaScript (ES6+), TypeScript, HTML5, CSS3, and related web technologies.
5+ years of experience in frontend engineering, specializing in React.js and Next.js.
Strong expertise in real-time web technologies (WebSockets, SSE, GraphQL Subscriptions).
Experience designing micro-frontend architectures, with module federation or Single-SPA.
Experience with state management libraries like Redux or React Query.
Proficiency in routing solutions, including React Router or Next.js routing mechanisms.
Deep understanding of CSS frameworks (Tailwind CSS), modern styling methodologies, and responsive design.
Hands-on experience with frontend build tools, bundlers, and CI/CD pipelines (Webpack, Vite, GitHub Actions).
Proven ability to integrate frontend apps with RESTful APIs, WebSocket-based real-time data systems, and backend services.
Preferred Qualifications (Nice-to-Have)
Familiarity or direct experience with transaction-heavy or real-time data-driven frontend applications (Fintech, AdTech, e-commerce payments).
Experience in optimizing frontend applications for high-frequency, data-intensive platforms (dynamic pricing, real-time bidding, ad-serving platforms).
Prior involvement in creating frontend solutions for payment gateways or advertising monetization platforms (Stripe integrations, Google Ad Manager, real-time transaction handling).
Preferred Tools & Technologies
Frontend: React.js, Next.js (Server-Side Rendering, ISR)
Styling: Tailwind CSS, CSS-in-JS (Emotion, Styled Components)
Architecture Patterns: Micro-frontends (Module Federation, Single-SPA)
Build & Deploy: Webpack, Vite, Docker, Kubernetes, CI/CD (GitHub Actions, CircleCI)
Collaboration Tools: Jira, Asana, Slack, GitHub
Nice to have: react native
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