Job Title: Blockchain + Java Backend Developer
Experience: 4–7 Years
Employment Type: Full-Time
About the Role
We are looking for a highly motivated Blockchain + Java Backend Developer to join our Digital Assets Platform engineering team. The ideal candidate should have strong expertise in Java backend development along with hands-on experience in blockchain technologies and Web3 infrastructure.
You will be responsible for designing, developing, and maintaining scalable enterprise-grade backend applications that leverage blockchain technology. This role requires a solid understanding of distributed systems, microservices architecture, blockchain fundamentals, and cloud-native application development.
If you're passionate about building secure, high-performance backend systems and want to work on next-generation digital asset platforms, we'd love to hear from you.
Key Responsibilities
Design, develop, and maintain scalable backend services using Java and Spring Boot.
Build enterprise-grade applications leveraging blockchain and distributed ledger technologies.
Collaborate with architects, product managers, and cross-functional engineering teams to deliver high-quality software solutions.
Develop RESTful APIs and microservices following industry best practices.
Design and implement event-driven architectures using Kafka or JMS.
Integrate blockchain networks and Web3 infrastructure into enterprise applications.
Ensure application reliability, scalability, security, and performance.
Develop and optimize SQL and NoSQL database solutions.
Deploy and manage containerized applications using Kubernetes.
Participate in code reviews, testing, debugging, and technical documentation.
Work in Agile development environments using tools such as Jira and Git.
Required Skills & Qualifications
Education
Bachelor's degree in Computer Science, Engineering, or a related field.
Master's degree is a plus.
Experience
4–7 years of software development experience.
3–5 years of hands-on experience in Java backend development.
Up to 2 years of experience working on Blockchain/Web3 applications.
Experience in Financial Services or FinTech is an added advantage.
Technical Skills
Backend Development
Core Java (Java 8/11/17)
Spring Boot
Spring Framework
REST APIs
Microservices Architecture
JPA / Hibernate
Messaging
Apache Kafka
JMS
Databases
SQL (MySQL/PostgreSQL)
NoSQL (MongoDB)
Cloud & DevOps
AWS or Azure
Kubernetes
Docker (Preferred)
CI/CD fundamentals
Tools
Git
GitHub / Bitbucket
Jira
IntelliJ IDEA / Eclipse
Blockchain Skills
Strong understanding of Blockchain architecture and Distributed Ledger Technology (DLT).
Experience with Web3 infrastructure and Digital Asset platforms.
Knowledge of Ethereum, Hyperledger Fabric, Polygon, or similar blockchain platforms.
Understanding of consensus mechanisms (PoW, PoS).
Knowledge of cryptographic principles.
Understanding of peer-to-peer (P2P) networks.
Familiarity with Smart Contracts is preferred.
Exposure to Zero-Knowledge Proofs (ZKP) is an advantage.
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