Key Responsibilities

📍Architect and develop backend components for our blockchain payment platform, ensuring seamless integration and transaction integrity across fiat and blockchain payment rails. 📍Expertly handle blockchain interactions using Web3.js, with a deep understanding of Layer-1 (Ethereum) and Layer-2 solutions for enhanced transaction efficiency and scalability. 📍Design and maintain a microservices architecture focused on high performance, scalability, and reliability. 📍Develop GraphQL APIs for efficient frontend-backend communication. 📍Ensure data integrity and implement advanced features like time-series database integration, effective caching, and asynchronous processing through message queues. 📍Deeply understand and apply distributed system design, utilizing contemporary technologies and methodologies. 📍Implement robust caching mechanisms for platform performance optimization. 📍Manage and integrate AWS services to construct a resilient cloud infrastructure. 📍Uphold high security standards, including implementing OAuth 2.0 for secure authentication. 📍Collaborate with cross-functional teams to foster rapid and agile development cycles.

Requirements

📍Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 📍At least 5 years of backend development experience, with a strong emphasis on building scalable and resilient systems. 📍Proficiency in blockchain technologies, with a focus on payment systems. 📍Demonstrated experience in developing and managing APIs, preferably with an API-first approach. 📍Proficient in designing, developing, and maintaining microservices architecture. Experience with containerization (e.g., Docker) and orchestration tools (e.g., Kubernetes) is highly desirable. 📍Extensive experience with cloud services, particularly AWS (including Lambda, RDS, ECS/Fargate, etc.), and understanding of cloud-native development practices. 📍Proficiency in Node.js and GraphQL. Knowledge of other relevant programming languages and frameworks is a plus. 📍Solid grasp of PostgreSQL and experience in managing data in a distributed, microservices environment. 📍Familiarity with security protocols and standards, especially OAuth 2.0, and understanding of security best practices in API development and microservices. 📍A minimum of 3 years of experience in the fintech sector, particularly in payment processing. Understanding of payment gateway integration and compliance standards (like PCI DSS). 📍In-depth knowledge of distributed systems, data consistency models, and message queue systems (e.g., Kafka, RabbitMQ). 📍Exceptional problem-solving abilities and strong teamwork orientation. Excellent communication skills for effective cross-functional collaboration.