• Full-Stack Engineer
  • JOB CODE: AI - 09142026 - FTFSE
  • 40 hours per week
  • Time Zone: 8:00 AM – 5:00 PM UK Time

Core Competencies:

  • Ethics. Works with integrity; Upholds organizational values.
  • Dependability. Follows instructions and responds to management direction; results-oriented and committed to achieving objectives and tasks as required.
  • Teamwork and Collaboration. Exhibits objectivity and openness to others’ views; Gives and welcomes feedback; Contributes to building a positive culture. Communicates effectively.
  • Professionalism. Tactfully approaches others, reacts well under pressure, treats others respectfully, and is accountable for all actions and decisions.
  • Organizational Support. Follows policies and procedures; Completes administrative tasks correctly and on time; Supports the organization’s goals and values.
  • Quality Management. Looks for ways to improve and promote quality; Demonstrates accuracy and thoroughness.
  • Decision-Making. Analyzes each situation, looking for opportunities to make any situation more beneficial for the company. Participates effectively in communication to achieve optimum results.
  • Cognitive Ability. High intelligence, problem-solving/initiative, dependability, and ability to access and navigate relevant APIs.

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:

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.
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