Blockchain Developer

The RoleAs a Senior Blockchain Java Developer, you will be responsible for designing and delivering robust backend systems that integrate enterprise‑grade Java platforms with blockchain and distributed ledger technologies.You will play a key role in shaping system architecture, ensuring reliability, and driving engineering best practices across the development lifecycle.Your responsibilities:Design, develop, and maintain scalable backend services using Java and modern microservices architecture.Build and integrate blockchain‑enabled components, including interaction with distributed ledgers, smart contracts, and transaction workflows.Develop secure, high‑performance RESTful APIs for internal and external system integration.Ensure security, data integrity, and consistency across on‑chain and off‑chain systems.Contribute to system architecture, performance optimization, and reliability in distributed environments.Collaborate with product owners, frontend developers, DevOps, and QA teams in Agile/Scrum delivery models.Provide technical guidance, conduct code reviews, and mentor junior engineers to uphold engineering standards.Your ProfileEssential skills/knowledge/experience: Strong hands‑on experience in Java (8 or above) and backend development.Proven experience with Spring Boot, microservices architecture, and REST API design.Solid understanding of blockchain fundamentals, including distributed ledgers, consensus mechanisms, and transaction models.Experience integrating backend systems with blockchain platforms (e.g., Ethereum, Hyperledger, or similar).Good knowledge of application security, cryptography basics, and secure coding practices.Experience working with relational and/or NoSQL databases.Strong problem‑solving skills and experience working in Agile development environments.Desirable skills/knowledge/experience: Hands‑on experience with smart contracts and blockchain frameworks or SDKs.Exposure to cloud‑native development, containerization, and orchestration tools (e.g., Docker, Kubernetes) and advantage.Experience with CI/CD pipelines, DevOps practices, and automated testing is desirable.Knowledge of event‑driven architectures, messaging systems, or distributed systems design.Background in BFSI, fintech, or enterprise platforms with high security and scalability requirements are advantageous.Prior experience in technical leadership, solution design, or architecture roles is preferable.