Java Team Lead - Blockchain

VISEO ASIA PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A leading company in the technology sector seeks a Senior Java Developer in Singapore. The role entails designing and maintaining high-performance systems, collaborating with development teams globally, and ensuring compliance with regulatory standards. Ideal candidates have a strong background in Java, AWS, and excellent problem-solving skills.

Qualifications

• 8-10 years of software development experience.
• 6-7 years hands-on in Java Development.
• Experience with AWS services and containerization technologies.

Responsibilities

• Design, develop, and maintain scalable Java back-end systems.
• Implement RESTful APIs and maintain security best practices.
• Lead backend development efforts and support business team's technical queries.

Skills

Java Development

AWS Services

Spring Boot

API Design

Problem-Solving

Communication Skills

Education

Bachelor’s Degree in IT or Computer Science

Tools

Docker

Kubernetes

Git

Job description

Responsibilities

• Design, develop, and maintain scalable, high-performance Java back-end systems
• Architect and implement RESTful APIs to support our web and mobile front-ends
• Optimize application performance and ensure high availability in an AWS cloud environment
• Collaborate with front-end developers to integrate React and React Native applications with backend services
• Implement and maintain security best practices for handling sensitive financial data
• Participate in code reviews
• Actively engage in system maintenance, troubleshooting, and support activities with counterparts in Europe and Americas
• Develop and maintain comprehensive system documentation
• Stay current with emerging trends in Java development, AWS services, and blockchain technology
• Contribute as part of the global development team with a focus on services including Interchange and Staking.
• Lead backend development efforts in Singapore and the broader APAC region.
• Act as a technical bridge between the Singapore team and the global development teams, particularly in London.
• Support the Singapore business team by addressing technical queries, and redirecting functional questions outside my scope to the appropriate channels where needed.
• Collaborate with client (regulatory/legal advisors) on technology-oriented communication, specifically to support licensing efforts under the Payment Services Act (such as Digital Payment Token approval or MPI licensing), ensuring client’s backend systems align with MAS expectations on security, auditability, and regulatory

Profile

• Minimum Bachelor’s Degree in IT or Computer Science.
• 8-10 years of overall experience in professional Software Development
• Minimum 6-7 years of hands-on experience in Java Development.
• Good hands-on experience in Java 17 and above
• Strong proficiency with Spring Boot and RESTful API design
• Experience with AWS services (e.g., EC2, S3, RDS, Lambda)
• Familiarity with containerization technologies (Docker, Kubernetes)
• Solid understanding of database technologies (SQL and NoSQL)
• Experience with version control systems (Git) and CI/CD pipelines
• Proven track record in system maintenance and support
• Strong problem-solving skills and ability to debug complex issues
• Strong critical thinker with problem-solving aptitude
• Excellent written and oral communication skills
• Track record on GIT usage TDD, BDD
• Other desirable exp: Node js, MongoDB, SoIR, Elastic search, contributing to open-source projects.
• Experience with blockchain technologies or cryptocurrency platforms
• Knowledge of React or React Native
• Familiarity with microservices architecture
• Experience with performance tuning and optimization in high-traffic environments
• Contributions to open-source projects