Seeking a highly experienced Backend/Microservice Engineer to build the microservices layer connecting a blockchain platform with core enterprise systems. In this role, you will design and develop scalable, secure, and resilient backend services that enable seamless integration between on-chain and off-chain environments. You will work closely with engineering, architecture, product, and enterprise integration teams to deliver services for transaction orchestration, reconciliation, event processing, and API connectivity. Key Responsibilities Design, develop, and maintain APIs and microservices integrating blockchain-based platforms with enterprise systems. Build services supporting transaction orchestration, lifecycle management, reconciliation, and event processing. Develop reliable integrations between on-chain and off-chain applications, data sources, and business processes. Implement event-driven architectures using technologies such as Kafka or Google Cloud Pub/Sub. Ensure the scalability, availability, security, and resilience of the services layer. Apply microservices design principles, including service autonomy, observability, fault tolerance, and effective API versioning. Collaborate with cloud, DevOps, security, and application teams to support cloud-native deployments. Write clean, maintainable, well-tested code and contribute to technical documentation and design reviews. Troubleshoot performance, integration, and production issues across distributed systems. Help establish engineering best practices for backend development, CI/CD, monitoring, logging, and operational support. Required Qualifications and Skills Strong experience with one or more backend programming languages, such as: Java Node.js Python Go Proven experience designing and developing APIs and microservices. Strong understanding of event-driven architectures and messaging platforms, including Kafka and/or Google Cloud Pub/Sub. Experience with distributed systems, asynchronous processing, and enterprise application integration. Cloud-native development experience, preferably with Google Cloud Platform (Google Cloud Platform) . Knowledge of scalability, resilience, fault tolerance, observability, and performance optimization. Familiarity with software development best practices, automated testing, source control, and CI/CD pipelines. Strong analytical, problem-solving, communication, and collaboration skills. Preferred Qualifications Experience developing Web3, blockchain, or distributed-ledger applications. Familiarity with smart contract platforms, blockchain nodes, wallets, transaction signing, or blockchain data indexing. Experience integrating on-chain transactions with traditional enterprise systems. Knowledge of blockchain transaction lifecycle management and reconciliation processes. Experience with containerized applications and orchestration platforms such as Docker and Kubernetes. Familiarity with enterprise security, identity, authentication, and authorization patterns.