Blockchain Developer

We are seeking a skilled and detail-oriented Blockchain Developer to join the Web3 team for "a Stealth Prop-tech startup," a groundbreaking digital real estate platform in Dubai. This is a complex initiative to build a comprehensive ecosystem integrating long-term sales, short-term stays, and advanced technologies including AI/ML, data analytics, Web3/blockchain, and conversational AI. You will be responsible for building the critical bridge between our core platform and the decentralized world.

This is a key technical role in a high-impact project, offering the chance to implement pioneering PropTech solutions involving asset tokenization and cryptocurrency payments.

As the Blockchain Integration Specialist, you will be responsible for the seamless integration of our traditional backend systems with various blockchain networks and third-party Web3 services. You will focus on the practical implementation of connecting our platform to cryptocurrency payment gateways, real estate tokenization platforms, and our own smart contracts. You will work closely with the Lead Blockchain Architect, smart contract engineers, and the core backend team to ensure data flows securely and efficiently between our on-chain and off-chain environments.

• Develop and maintain the backend services and APIs required to connect the Property Search platform with blockchain networks.
• Lead the technical integration with third-party cryptocurrency payment gateways, ensuring secure and reliable transaction processing.
• Implement the integration with real estate tokenization platforms, managing the flow of data related to property tokens and ownership.
• Build the necessary API endpoints for the frontend applications to interact with blockchain functionalities (e.g., fetching token balances, initiating transactions).
• Work with backend developers to ensure data consistency between the on-chain state and the platform's off-chain database.
• Implement event listeners to monitor smart contract events and trigger corresponding actions within the core application.
• Collaborate with the security team to ensure all integration points are secure and protected against threats.
• Troubleshoot and resolve issues related to blockchain connectivity and third-party API integrations.

• 3-5+ years of experience in backend software development, with at least 2+ years focused on integrating systems with blockchain technology.
• A Bachelor's degree in Computer Science, Engineering, or a related technical field.
• Strong proficiency in a modern backend language such as Node.js, Python, or Go.
• Hands-on experience interacting with blockchain networks from a backend service using libraries like Ethers.js, Web3.js, or similar.
• Proven experience integrating complex third-party REST APIs, particularly for financial or payment systems.
• A solid understanding of blockchain fundamentals, smart contracts, and wallet interactions.
• Experience with relational databases (e.g., PostgreSQL) and API design.

• Direct experience integrating with specific cryptocurrency payment gateways or asset tokenization platforms.
• Experience in the PropTech (Property Technology) or FinTech sectors.
• Familiarity with the regulatory landscape in the UAE, particularly the VARA framework for virtual assets.
• Experience working in a cloud environment (AWS, Google Cloud, or Azure).
• Knowledge of message queues (e.g., RabbitMQ, Kafka) for handling blockchain events.
• Experience with secure key management and custody solutions.