Senior Frontend / Architect (React / Next.js / SSR)

We're looking for a senior front-end engineer, not a pixel pusher. You will:

• Own major parts of the front-end architecture
• Translate product vision into scalable UI systems
• Build reusable components that support massive content growth
• Work closely with backend, mobile, and UX teams
• Anticipate problems before they become technical debt
• Help set front-end standards and best practices
• Ship features that millions of users could rely on during live matches, OleOle is building a global, football-specific social network and super-app for the world's 3 billion football fans. The platform combines real-time social feeds, short-form video, live scores, messaging, AI-powered translation, deep football history, and a crypto-enabled rewards layer into a single native product. We are looking for a Senior Front-End Engineer to help architect and build core user-facing experiences across web and mobile surfaces. This role involves owning major front-end systems, developing scalable and reusable UI components, and working closely with backend engineers on real-time, data-driven features. The ideal candidate has strong experience building complex consumer products, cares deeply about performance and UX, and is comfortable operating with autonomy in a fast-moving startup environment.

You don't need to know everything here, but you must be comfortable operating in this kind of environment.

• React / modern component frameworks
• TypeScript
• Next.js (or equivalent SSR / hybrid rendering experience)
• Real-time data handling (WebSockets, streams, events)
• Media-heavy UI (video, live updates, feeds)
• Internationalization (i18n) at scale
• API-driven architecture
• Collaboration with Rust backend engineers
• Strong performance, accessibility, and UX discipline

Experience working alongside blockchain, fintech, or real-time systems is a plus, but not mandatory., * 5+ years of professional front-end development with JavaScript/TypeScript ES6+.

• Deep expertise in React (or Vue/Angular with willingness to switch) and ecosystem (Hooks, Context, Redux/Zustand, RTK Query, Next.js or Remix for SSR).

• Demonstrated experience integrating with Rust backends (or other strongly-typed services) via REST, gRPC, or GraphQL.

• Solid grasp of AWS front-end workflows, including:

• Cognito / Cognito Hosted UI for auth & SSO

• API Gateway / AppSync for API orchestration

• S3 + CloudFront for static asset delivery & edge caching

• Amplify or CDK pipelines for CI/CD

• Proficiency with modern tooling: Vite/Webpack, ESLint/Prettier, Storybook, Playwright/Cypress, GitHub Flow.

• Strong UX sensibility: responsive design, WCAG-2.1 AA accessibility, Lighthouse/CLS performance budgets.

• Excellent communication and documentation skills; ability to explain complex topics to cross-functional audiences., * Creative problem solver who can courageously propose and support new ideas to our organization. Not interested in best practices, lets build something better!

• Ability to adapt. An ideal candidate will welcome the opportunity to solve a broad range of problems using a wide array of technologies.

• Comfortable with ambiguity, shifting priorities and general growing pains of an early-stage technology company

• An exceptional entrepreneurial judgment that fosters independence over micro-management

• Understanding of football and international sports a huge plus

Senior Front-End Engineer OleOle - Where Fans Kick Off About OleOle OleOle is building the world's first football-specific social network and super-app for the planet's 3 billion football fans. This is not another generic social platform. OleOle combines: * Twitter-style real-time conversation * TikTok-style short-form video * WhatsApp-style messaging * Live scores and match data * AI-powered real-time translation in 200+ languages * A deep, Wikipedia-scale football history product * A crypto-enabled rewards, payments, and gambling layer All built natively, ad-free, and without platform taxes. We are designing OleOle as the infrastructure layer for football fandom - where fans, clubs, creators, brands, and businesses all operate inside one unified product. What We're Building OleOle is a multi-surface product, not a single website or app. You'll be working on: * A real-time social feed (posts, replies, media, translations) * TikTok-style video consumption and creation flows * Live score and match-driven UX components * Club, country, and competition pages at massive scale * Messaging and notifications tied to live sporting events * History and data-rich content templates (20,000+ teams) * Commerce and mini-program interfaces (phase two) * Crypto wallet identity surfaced only when users transact Everything we build must scale globally, support multiple languages by default, and feel fast, intuitive, and familiar to football fans everywhere. How We're Building It We are not bolting features onto legacy SaaS tools. Our approach: * Native platform architecture (not WordPress, not no-code) * Heavy use of proven open-source foundations * Front end tightly integrated with a Rust-based backend * Real-time data flows (scores, chats, translations) * Component-driven UI that can scale to thousands of page types * Mobile-first, but desktop-grade experiences, © 2026 Careerjet All rights reserved