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Blockchain Java Backend Developer

• Posted 3 hours ago • Updated 2 hours ago

Full Time

Volto Consulting

Fitment

Dice Job Match Score™

👾 Reticulating splines...

Job Details

Skills

Azure DevOps
Kubernetes
MongoDB
java
Docker
kafka
redis
GCP
Microservice
SQL
GitLab
NoSql
Github
Cassandra
mysql
Database
Spring boot
API
Rest
Jenkins
postgreSQL
Network Security
RabbitMQ
Spring
Continuous Integration/Delivery
Best Practices
Amazon Web Services
DEV OPS
Security Practices
Deployment
Threading
Logging
Queue Management
RPC
Asteradata
Distributed Systems
Backend Service
Elasticsearch
Caching
Digital Coins
Blockchain
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Summary

Blockchain Java Backend Developer

New York City, NY / Jersey City, NJ

Job Description

Blockchain Java Backend Developer

Must Have Technical/Functional Skills

Core Backend Skills

Strong 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 patterns

Solid understanding of data stores:

SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Cassandra)

Caching (Redis) and search (Elasticsearch) is a plus

Hands-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 synchronization

Implement 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.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91136807
Position Id: 2026-5881
Posted 3 hours ago

Company Info

About Volto Consulting

Challenge the present. Change the future.

At Volto Consulting, we are driven by ambition and the power of technology to act with integrity and keep our clients ahead in this digital dynamic world. Headquartered in Chicago IL, we are a diverse team with unique perspectives. We work with you to address today's challenges and drive business transformation for real. Our technology and engineering services architecture combined with our digital expertise, strategic consulting, design thinking, and industry specific alliances provide real business value to our customers through human-centric innovation.

Businesses today are challenged to stay ahead of latest trends at a rapid pace and adapt to competitive developments and insights. We embrace change through our software engineering heritage combined with technical expertise to enable digital transformation.

Volto is strictly guided by Integrity in everything we do to be a part of our Customer's Success journey and be an extended arm for the customer to accelerate growth and deliver results at a faster pace. In all we do, our commitment is towards building collaborative relationships through customer intimacy on a personal level and create an impact by providing industry and technology expertise to create experiences that resonate customers.

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Bellevue, Washington

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Title - Full Stack Engineer (.NET / React / Azure) Location - Bellevue, WA Type - Full Time Note - Applicants must be legally authorized to work in the United States Job Description: Required Skills ASP.NET 2.0 C# Digital: ReactJS Digital: Node.js HTML / XHTML / DHTML / CSS Foundation: JavaScript Web Technologies Digital: Microsoft Azure Technical / Functional Skills Strong proficiency in object-oriented language such as C# Strong proficiency in front-end technologies such as HTML,

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$120000

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Blockchain Java Backend Developer

Volto Consulting

Dice Job Match Score™

Job Details

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Summary

Company Info

About Volto Consulting

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