Java Backend Developer

Responsibilities:

Backend Development:
Design develop and maintain backend systems APIs and microservices using Java and related technologies. Implement core functionality such as wallet management transaction processing and blockchain integration.

Blockchain Integration:
Integrate blockchain technology (e.g. Ethereum Bitcoin) into our applications and services leveraging blockchain APIs SDKs and smart contracts. Implement features such as asset tokenization decentralized finance (DeFi) protocols and nonfungible token (NFT) support.

Security and Compliance:
Ensure the security and integrity of cryptorelated data and transactions by implementing robust security measures encryption techniques and compliance standards. Address security vulnerabilities perform code reviews and adhere to secure coding practices.

Scalability and Performance:
Optimize backend systems and infrastructure for scalability reliability and performance to handle increasing transaction volumes and user growth. Identify performance bottlenecks optimize database queries and implement caching strategies.

API Design and Documentation:
Design and document welldefined APIs for internal and external consumption following RESTful principles and best practices. Collaborate with frontend developers and thirdparty partners to define API requirements and ensure smooth integration.

Monitoring and Maintenance:
Monitor system health performance metrics and uptime to proactively identify and resolve issues. Implement logging monitoring and alerting systems to track system behavior and troubleshoot problems in realtime.

Collaboration and Communication:
Work closely with crossfunctional teams including frontend developers QA engineers product managers and DevOps engineers to align on project requirements and priorities. Participate in agile development processes sprint planning and daily standups.

Qualifications:

Bachelors degree in Computer Science Software Engineering or a related field (or equivalent experience).

Proven experience as a backend developer with expertise in Java development and related frameworks (e.g. Spring Boot Hibernate).

Familiarity with blockchain technology cryptocurrencies and related concepts.

Experience with blockchain development platforms protocols and tools (e.g. Ethereum Solidity Web3.js).

Knowledge of cryptographic principles digital signatures and secure authentication methods.

Proficiency in SQL and NoSQL databases (e.g. MySQL MongoDB) and ORM frameworks.

Familiarity with cloud platforms (e.g. AWS Azure) and containerization technologies (e.g. Docker).

Strong problemsolving skills analytical thinking and attention to detail.

Excellent communication and collaboration skills with the ability to work effectively in a team environment.

Remote Work: No