{"schemaVersion":"jobsearcher.job.v1","id":"68062d89eae498c69be5ac21","url":"https://jobsearcher.com/jobs/68062d89eae498c69be5ac21","canonicalUrl":"https://jobsearcher.com/jobs/68062d89eae498c69be5ac21","title":"Blockchain Java Backend Developer","description":"Dice is the leading career destination for tech experts at every stage of their careers. Our client, DTEL Engineering & Consultants Inc, is seeking the following. Apply via Dice today!Blockchain Java Backend DeveloperMust Have Technical/Functional SkillsCore Backend SkillsStrong proficiency in Java (8+), and frameworks such as Spring Boot / Spring Cloud.Experience building distributed systems and microservices architectures at scale.Strong knowledge of: Concurrency, multithreading, asynchronous programming API design (REST/gRPC), security (OAuth2/JWT), and integration patternsSolid understanding of data stores: SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra) Caching (Redis) and search (Elasticsearch) is a plusHands-on experience with message streaming/queues: Blockchain Skills (Must-Have)Strong understanding of blockchain fundamentals: Transactions, blocks, confirmations/finality, consensus, gas/fees, wallets, keys.Experience integrating backend services with blockchain networks/nodes: Ethereum-compatible networks (Ethereum/Polygon/BSC) using Web3j, ethers-style approaches and/or permissioned chains (Hyperledger Fabric, Corda, Quorum)Experience supporting large blockchain deployments: Node connectivity, RPC management, event indexing, chain reorg handling, retry strategies.________________________________________DevOps / Cloud (Preferred)Experience with Docker and Kubernetes for containerized microservices deployments.CI/CD exposure (Jenkins/GitHub Actions/GitLab CI/Azure DevOps).Cloud experience (Azure/AWS/Google Cloud Platform) is a plus.Understanding of security practices: Secrets management (Vault/KMS), TLS, RBAC, network security.Roles & Responsibilities Design and develop Java-based backend services that interact with blockchain networks and nodes (public or permissioned).Build and scale microservices-based architecture supporting blockchain transaction workflows, event processing, and off-chain components.Develop reliable services for: Transaction orchestration Smart contract invocation Blockchain event subscription/listening On-chain/off-chain data synchronizationImplement scalable APIs (REST/gRPC) for blockchain-enabled products and integrations.Optimize performance for high throughput and low latency: Transaction throughput handling, batching, retries, idempotency, rate limiting.Ensure secure integration with blockchain: Key management best practices, signing transactions, secure secret handling.Implement observability and reliability standards: Logging, monitoring, tracing, alerting, SLOs/SLAs.Work with DevOps/SRE teams to support production deployments, incident triage, and capacity planning.Contribute to architecture decisions including: Event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.","company":"Via Dice","rawCompany":"via dice","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-05-11T21:56:53.105Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.07","title":"Blockchain Engineers","slug":"blockchain-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Blockchain Java Backend Developer","description":"Dice is the leading career destination for tech experts at every stage of their careers. Our client, DTEL Engineering & Consultants Inc, is seeking the following. Apply via Dice today!Blockchain Java Backend DeveloperMust Have Technical/Functional SkillsCore Backend SkillsStrong proficiency in Java (8+), and frameworks such as Spring Boot / Spring Cloud.Experience building distributed systems and microservices architectures at scale.Strong knowledge of: Concurrency, multithreading, asynchronous programming API design (REST/gRPC), security (OAuth2/JWT), and integration patternsSolid understanding of data stores: SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra) Caching (Redis) and search (Elasticsearch) is a plusHands-on experience with message streaming/queues: Blockchain Skills (Must-Have)Strong understanding of blockchain fundamentals: Transactions, blocks, confirmations/finality, consensus, gas/fees, wallets, keys.Experience integrating backend services with blockchain networks/nodes: Ethereum-compatible networks (Ethereum/Polygon/BSC) using Web3j, ethers-style approaches and/or permissioned chains (Hyperledger Fabric, Corda, Quorum)Experience supporting large blockchain deployments: Node connectivity, RPC management, event indexing, chain reorg handling, retry strategies.________________________________________DevOps / Cloud (Preferred)Experience with Docker and Kubernetes for containerized microservices deployments.CI/CD exposure (Jenkins/GitHub Actions/GitLab CI/Azure DevOps).Cloud experience (Azure/AWS/Google Cloud Platform) is a plus.Understanding of security practices: Secrets management (Vault/KMS), TLS, RBAC, network security.Roles & Responsibilities Design and develop Java-based backend services that interact with blockchain networks and nodes (public or permissioned).Build and scale microservices-based architecture supporting blockchain transaction workflows, event processing, and off-chain components.Develop reliable services for: Transaction orchestration Smart contract invocation Blockchain event subscription/listening On-chain/off-chain data synchronizationImplement scalable APIs (REST/gRPC) for blockchain-enabled products and integrations.Optimize performance for high throughput and low latency: Transaction throughput handling, batching, retries, idempotency, rate limiting.Ensure secure integration with blockchain: Key management best practices, signing transactions, secure secret handling.Implement observability and reliability standards: Logging, monitoring, tracing, alerting, SLOs/SLAs.Work with DevOps/SRE teams to support production deployments, incident triage, and capacity planning.Contribute to architecture decisions including: Event-driven architecture (Kafka/RabbitMQ), caching strategies, database selection, and deployment topologies.","datePosted":"2026-05-11T21:56:53.105Z","dateModified":"2026-05-11T21:56:53.105Z","hiringOrganization":{"@type":"Organization","name":"Via Dice","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"68062d89eae498c69be5ac21"},"url":"https://jobsearcher.com/jobs/68062d89eae498c69be5ac21"}}