Full Stack Developer - Microservices Architecture

Full Stack Developer - Microservices Architecture

Join to apply for the Full Stack Developer - Microservices Architecture role at Golden Legand Leasing and Finance Ltd.

Location: Dubai, UAE (On-site/In-office)

We are looking for a Backend‑focused Full Stack Developer to build and maintain the core infrastructure of our blockchain payment platform. This role involves developing robust APIs, integrating blockchain nodes, and orchestrating complex payment flows.

• Design and develop RESTful and Graph
  
  QL APIs for payment processing
• Build scalable microservices architecture for transaction handling
• Implement server‑side logic for payment orchestration and routing
• Develop background jobs for transaction monitoring and reconciliation
• Optimize database queries and ensure data consistency

• Integrate and maintain connections with multiple blockchain nodes
• Implement wallet infrastructure for multi‑chain support
• Develop smart contract interaction layers
• Handle blockchain transaction lifecycle (creation, signing, broadcasting, confirmation)
• Implement gas optimization strategies and fee estimation

• Build infrastructure for stablecoin transactions (USDT, USDC, DAI)
• Develop payment routing logic and settlement mechanisms
• Implement multi‑signature wallet support
• Create transaction monitoring and alerting systems
• Handle payment callbacks and webhook integrations

• Integrate third‑party KYC/AML service providers
• Develop identity verification workflows
• Implement document upload and verification systems
• Build compliance screening and sanctions checking
• Maintain audit logs and regulatory reporting

• Design payment flow orchestration across multiple providers
• Implement payment retry logic and failure handling
• Develop currency conversion and exchange rate services
• Build invoice generation and management systems
• Create reconciliation and settlement processes

• Set up monitoring, logging, and alerting systems
• Implement CI/CD pipelines for automated deployment
• Manage database migrations and schema changes
• Optimize application performance and resource utilization
• Ensure system security and data encryption

• 4+ years of backend development experience
• Strong proficiency in Node.js, Python, or Go
• Experience with blockchain development (Web
  3.js, Ethers.js)
• Solid understanding of RESTful API design and microservices
• Proficiency with databases (Postgre
  
  SQL, Mongo
  
  DB, Redis)
• Experience with message queues (Rabbit
  
  MQ, Kafka)
• Knowledge of containerization (Docker, Kubernetes)

• Hands‑on experience with blockchain node integration (Ethereum, Bitcoin)
• Understanding of wallet architecture and key management
• Knowledge of smart contracts and token standards (ERC‑20, ERC‑721)
• Familiarity with blockchain explorers and transaction monitoring
• Experience with cryptocurrency exchanges and liquidity providers

• Understanding of payment processing flows and settlement
• Experience with payment gateway integrations
• Knowledge of financial transactions and double‑entry accounting
• Familiarity with PCI‑DSS and payment security standards

• Experience with authentication systems (JWT, OAuth)
• Knowledge of security best practices (encryption, secure key storage)
• Proficiency with Git and version control workflows
• Experience with testing frameworks (Jest, Mocha, Pytest)
• Strong debugging and troubleshooting skills

• Experience with DeFi protocols and liquidity pools
• Knowledge of Layer 2 scaling solutions
• Experience with Web Socket implementations for real‑time updates
• Familiarity with Graph
  
  QL and Apollo Server
• Experience in high‑frequency trading or financial systems
• Contributions to blockchain open‑source projects

Note:

Candidates must be available to work from our Dubai office. Relocation assistance may be available for exceptional candidates.

• Mid‑Senior level

• Full‑time

• Information Technology

• Technology, Information and Internet, Software Development, and Technology, Information and Media