Full-Stack Blockchain Engineer

Full-Stack Blockchain Engineer at Superduper

We are a cutting‑edge DeFi automation and social trading platform revolutionizing how users, builders, and protocols interact with crypto. By combining seamless automation, gamification, and social engagement, we empower traders to discover, execute, and share innovative trading strategies across multiple chains. With a focus on user‑driven growth and simplified blockchain workflows, we are building the future of decentralized finance—where trading is smarter, faster, and more connected. Join us in shaping the next generation of crypto innovation.

As a Full‑Stack Engineer, you will play a key role in shaping and building an innovative user experience for the future of decentralized finance. You will be part of a high‑performance team developing a cutting‑edge product that will redefine the DeFi ecosystem and advance our mission to transform the industry. You will be joining a stealth‑mode initiative supported by a well‑funded company, allowing you to innovate in a fast‑paced, dynamic environment.

• 
  
• Building, testing and supporting full stack applications utilizing blockchain technology.
  
• Placing the customer first and solving key UI/UX challenges for both crypto‑curious and crypto‑native users.
  
• Staying up to date with the latest trends and technologies in DeFi, blockchain, and backend development to continuously improve the product.
  
• Working closely with backend developers to ensure seamless interaction between the frontend and APIs or blockchain nodes for real‑time data display.
  
• Contributing to the continuous improvement of development processes and workflows.
  
• Conducting thorough code reviews, sharing best practices, and mentoring junior team members.
  
• Ensuring security best practices are followed, particularly concerning user data and blockchain interactions.
  
• Collaborating with cross‑functional teams (design, marketing, product) to deliver new features and improvements according to the product roadmap.
  
• Writing clean, maintainable, and efficient code.
  
• Conducting regular testing, debugging, and troubleshooting to enhance the performance and usability of the platform.
  

• 
  
• 5+ years of experience in a similar role and level.
  
• Expert in TypeScript with experience in Go or strong desire to learn.
  
• Deep familiarity with React (incl. React Router) for building SPAs, SSR, or other rendering strategies.
  
• Prior experience designing and developing trading platforms, especially AMM‑style DEXes.
  
• Experience developing complex microservice‑based distributed systems.
  
• Experience architecting and implementing mobile‑first, responsive, real‑time front‑ends (WebSockets, Server‑Sent Events, GraphQL subscriptions, etc.).
  
• Solid understanding of HTTP/HTTPS and REST‑style APIs.
  
• Working knowledge of gRPC and GraphQL.
  
• Experience with version control systems (e.g., Git) in a production setting.
  
• Experience with Docker and Kubernetes (or equivalent) for packaging and running microservices in production.
  
• Experience with styling frontend UIs using HTML, CSS, and frameworks like Tailwind.
  

• 
  
• Creative problem‑solver eager to innovate and push boundaries in the DeFi space.
  
• Deep understanding of web technologies and a strong grasp of blockchain fundamentals, particularly within DeFi.
  
• Thrives in scrappy startup environments, seeing ambiguity as an opportunity.
  
• Comfortable taking ownership of complex problems and transforming them into user‑friendly solutions.
  
• Excellent collaboration skills, building trust and rapport with technical and non‑technical stakeholders.
  
• Adept at communicating complex concepts clearly and concisely.
  
• Relentless in delivering high‑quality products, even under pressure.
  
• Understands that speed and agility are key competitive advantages, driving urgency and efficiency without compromising quality.
  
• Passionate about DeFi with a commitment to continuous learning.
  

• 
  
• Experience developing and deploying Solana Smart Contracts with Anchor.
  
• Experience developing EVM Smart Contracts using Solidity with Foundry or Hardhat.
  
• Experience with GraphQL schema design and sub‑second subscription handling, or gRPC‑Web for low‑latency data flows.
  
• Experience with wallet connectors (MetaMask, WalletConnect, Coinbase Wallet, etc.).
  
• Experience integrating on‑chain data via web3 libraries (wagmi, ethers.js, viem, etc.).
  
• Familiarity with cloud platforms (AWS, GCP) and infrastructure‑as‑code using Pulumi or Terraform.
  

Seniority level: Mid‑Senior level
Employment type: Full‑time
Job function: Engineering and Information Technology

Referrals increase your chances of interviewing at Superduper by 2x.

Location: London, England, United Kingdom