Full-Stack Engineer (AI - 09142026 - FTFSE)

Position: Full-Stack Engineer Number of hours: 40 hours per week Schedule: 8:00 AM – 5:00 PM UK Time Key Responsibilities - Design, develop, and maintain a scalable multi-chain crypto analytics platform using modern full-stack technologies. - Build and enhance responsive frontend applications using Next.js, React, and Tailwind CSS, including dashboards, token analytics pages, watchlists, and user-facing interfaces. - Develop robust backend services using Node.js (Express/Fastify) to support API integrations, data processing, authentication, caching, and business logic. - Integrate and normalize data from multiple blockchain and third-party providers, including token price feeds, liquidity data, volume tracking, trending tokens, and security analysis APIs. - Build secure API gateway layers that protect third-party API credentials while managing rate limits, caching strategies, and provider reliability. - Develop database structures and optimize queries using PostgreSQL for users, token metadata, watchlists, chat history, and cached analytics data. - Implement background processing systems using tools such as Redis and BullMQ for scheduled jobs, token discovery, risk analysis updates, and data refresh workflows. - Develop real-time functionality using WebSockets / Socket.io, including live price updates and future token-based chat features. - Contribute to the implementation of blockchain safety features, including: - Honeypot detection integrations - Contract risk analysis - Token safety scoring workflows - Rug-risk data processing - Create reliable systems with proper handling of API failures, rate limits, incomplete data, and service outages. - Implement automated testing strategies using tools such as Jest/Vitest and Playwright to ensure application reliability and accuracy. - Collaborate closely with the founder and existing engineering team to translate product requirements, technical decisions, and architecture plans into production-ready features. - Participate in code reviews, technical discussions, system design improvements, and deployment processes. - Support continuous improvements in scalability, security, performance, and user experience as the platform grows. Qualifications Required Qualifications - Proven experience as a Full-Stack Engineer, Full-Stack Developer, Software Engineer, or similar role building production-level web applications. - Strong proficiency in: - JavaScript / TypeScript - React.js - Next.js - Node.js - Tailwind CSS - Strong backend development experience including: - REST API development - API integrations - Authentication and authorization - Backend architecture and service design - Hands-on experience with relational databases, particularly PostgreSQL, including database design, optimization, and data modeling. - Experience building applications that consume and process external APIs, including handling: - Rate limits - Data normalization - API failures - Caching strategies - Experience developing real-time applications using: - WebSockets - Socket.io - Event-driven architectures - Familiarity with cloud deployment environments such as: - AWS - Render - Fly.io - Vercel - Container-based hosting environments - Experience with caching and queue systems such as: - Redis - BullMQ - Strong understanding of software engineering best practices, including: - Clean code principles - Version control (Git) - Testing methodologies - Code reviews - Secure development practices Preferred Qualifications - Previous experience working on Web3, blockchain, cryptocurrency, DeFi, or financial analytics platforms. - Experience integrating blockchain-related APIs or data providers such as: - DEX analytics APIs - Token security APIs - Blockchain explorers - Wallet analytics providers - Familiarity with: - Ethereum Virtual Machine (EVM) ecosystems - Solana ecosystem - Smart contract concepts - Token mechanics - Liquidity pools and decentralized exchanges (DEXs) - Experience building data-heavy dashboards, analytics platforms, trading tools, or monitoring systems. - Experience implementing risk scoring, fraud detection, security analysis, or financial data models. - Understanding of high-availability systems where data accuracy and reliability are critical. - Ability to work independently, make technical decisions, and collaborate directly with founders and senior engineers. Originally posted on Himalayas