Back-End Developer (Blockchain Enthusiast)

Hi👋

RedDuck is looking for talented Back-End Developers eager to grow in the Web3 and Blockchain space.

It’s not necessary to know blockchain - we’ll teach you! It is essential to possess strong engineering skills, empathy, and a willingness to take initiative and offer innovative ideas.

Requirements ⬇️

• Degree in Computer Science or a related field, or equivalent practical experience.
• 0.5-1 year of commercial development experience.
• Proficiency in TypeScript and JavaScript.
• Knowledge of back-end development (NodeJS or other technologies such as Rust/.Net/Java etc.).
• Basic understanding of cryptography (symmetric/asymmetric encryption, hash functions).
• Knowledge of algorithms and data structures.
• Proficiency in English (B1 level or higher).
• Strong analytical and debugging skills.
• Proactivity, empathy, and initiative.

Will be a plus ⬇️

• Any knowledge in blockchain/distributed systems/smart contracts.

Responsibilities ⬇️

• Design and implement scalable and efficient backend solutions.
• Blockchain & Smart Contracts Development:
  • Design, develop, and deploy smart contracts (e.g., Ethereum/Solidity, Polygon, BNB Chain, Solana, etc.).
  • Write secure, gas-efficient, and maintainable smart contract code.
  • Conduct unit testing, integration testing, and security testing for blockchain applications.
  • Optimize smart contract performance and ensure compliance with protocol constraints.
• Blockchain Systems & Integrations:
  • Build dApps (decentralized applications) and integrate smart contracts with frontend/backend.
  • Develop APIs and middleware to connect blockchain with traditional systems.
  • Work with wallets, oracles, and other blockchain ecosystem components.
• Security & Best Practices:
  • Perform code audits and vulnerability assessments on smart contracts.
  • Follow and enforce industry best practices in blockchain security.
  • Stay alert to known exploits, risks, and security updates in relevant ecosystems.
• Project Delivery (Outsourcing Context):
  • Collaborate with clients to translate business requirements into blockchain solutions.
  • Deliver technical documentation, architecture diagrams, and deployment guides.
  • Ensure that solutions are not only technically sound, but also meet client deadlines and expectations.
• Collaboration & Contribution:
  • Participate in code reviews, ensuring high-quality standards for blockchain code.
  • Work closely with internal teams (frontend, backend, QA) to deliver complete solutions.
• Mentor junior developers in blockchain technologies and smart contract development.

We offer ⬇️

• Comprehensive blockchain training in a supportive learning environment.
• Opportunities for professional growth and career advancement.
• Participation in challenging and innovative projects.
• Fully remote work. 
• Competitive salary.
• English language courses.
• Paid vacation and sick leave 🏖️ 🤒.
• A friendly, open-minded, and supportive team 😊.