Front End Developer " (equity only)

Revolutionizing Data Ownership Through Web3Position OverviewWe're seeking a passionate two Front End Developers & one Sr. Full Stack Developer to join Sentiment on a part-time basis (20 hours/week, equity-only). Help us build user-facing applications and robust backend systems that put data ownership back in users' hands while creating the next generation of decentralized survey and analytics platform.About SentimentSentiment is a Web3-native data marketplace where users control, monetize, and earn from their data. We're solving the $3.1 trillion data quality problem by creating authenticated, user-owned datasets through our tokenized survey platform. Our users become "datapreneurs" - earning rewards for their insights while maintaining complete data sovereignty. And with many verbal commitments already in the queue, we're exciting for what's around the corner!The ChallengeYou'll develop both frontend and backend components of a platform that handles:• Interactive survey creation and response collection interfaces• User authentication and profile management systems• Data visualization dashboards and analytics reporting• Token-based reward tracking and user earnings displays• Real-time notifications and user engagement features• Secure API endpoints serving web and mobile applicationsWhat You'll Build• Frontend Applications: Develop responsive React.js interfaces for survey creation, data marketplace browsing, user dashboards, and analytics visualization• Backend Services: Build scalable Node.js APIs handling user management, survey logic, data processing, and marketplace transactions• Database Architecture: Design and optimize PostgreSQL schemas for survey data, user profiles, transactions, and analytics• Integration Layer: Connect frontend applications with blockchain services and third-party APIs• User Experience: Create intuitive interfaces that make complex Web3 concepts accessible to everyday usersRequired Experience• 5+ years of software development experience with full-stack applications• Strong proficiency in Node.js for backend development and API creation• Expert-level React.js skills with modern hooks, state management, and component architecture• Advanced PostgreSQL experience including query optimization, database design, and performance tuning• Experience with RESTful API design and implementation• Proficiency with Git version control and collaborative development workflowsPreferred Qualifications• Experience with modern JavaScript/TypeScript development• Knowledge of React ecosystem tools (Redux, Next.js, testing libraries)• Familiarity with cloud platforms (AWS, Google Cloud, or similar)• Understanding of authentication systems and security best practices• Experience with data visualization libraries (D3.js, Chart.js, or similar)• Basic understanding of blockchain concepts and Web3 technologies• Background in survey platforms, data analytics, or marketplace applicationsWhy Join Sentiment?• Equity opportunity in a venture tackling a multi-trillion dollar market• Technical ownership role building user-facing products from the ground up• Mission-driven work democratizing data ownership and creating fair compensation for users• Modern tech stack with cutting-edge frontend and backend technologies• Remote-first culture with a passionate, experienced team• Opportunity to learn Web3 technologies while leveraging your full stack expertise