Senior Java Developer

4 days ago

Singapore AVENIR TECH SOLUTIONS PTE. LTD. Full time
Roles & Responsibilities

Job Responsibilities:

  1. System Design and Development: Lead or participate in the design and coding of complex modules, ensuring system architecture's scalability, stability, and security.
  2. Problem Solving: Quickly locate and resolve technical issues within the system, optimize system performance, and enhance user experience.
  3. Continuous Innovation: Stay updated with the latest Java technology trends, research and introduce new tools and technologies to improve team capabilities and product competitiveness.
  4. Collaboration and Communication: Work closely with product managers, UI/UX designers, and test engineers to ensure projects are completed on time and meet quality standards.
  5. Technical Documentation: Write clear and standardized technical design documents and development guides to ensure effective knowledge transfer.
  6. Technical Leadership: Provide technical guidance to team members, enhance code quality and development efficiency, participate in code reviews, and ensure the feasibility and effectiveness of technical solutions.

Qualifications:

  • Bachelor’s degree or above in Computer Science or related fields. Experience in blockchain development is preferred, as is a background in fintech or large-scale internet companies.
  • At least 5 years of Java development experience, familiar with Java 8/11/17 features, and strong object-oriented design and programming skills.

Spring Framework Expertise:

  • Proficient in Spring Core, Spring MVC, Spring Boot, and its auto-configuration principles, with the ability to leverage the Spring framework for application development, including dependency injection, AOP, transaction management, and Spring Security modules.
  • Experience in building microservice architectures with Spring Cloud, including service registration and discovery, configuration centers, circuit breakers, and other microservice governance components.

Redis Expertise:

  • Deep understanding of Redis data structures and operations, designing efficient caching strategies based on business scenarios to improve system performance.
  • Skilled in setting up and maintaining Redis clusters, understanding the advantages and applications of Sentinel and Cluster modes.
  • Proficient in using Redis for data caching, message queuing, distributed locking, and advanced applications.
  • Strong understanding of Redis performance optimization, data persistence mechanisms (RDB & AOF), replication, and Sentinel mechanisms.

Database Technologies:

  • Proficient in relational database design and optimization (e.g., MySQL, PostgreSQL), writing efficient SQL queries, understanding index principles, transaction isolation levels, and database locking mechanisms.
  • Familiarity with NoSQL databases (e.g., MongoDB, Cassandra) is a plus.

Cloud-Native and Container Technologies:

  • Skilled in Docker containerization, familiar with Kubernetes (K8s) and its ecosystem, including service deployment, configuration management, service discovery, and rolling updates.
  • Practical experience in service orchestration and CI/CD in microservices architecture.

Distributed Systems and Middleware:

  • Understanding of distributed systems principles, including CAP theorem, BASE principles, and distributed transaction processing.
  • Proficient in using and optimizing middleware such as RabbitMQ, Kafka, Nginx, HAProxy, and API gateways.

Programming and Design Skills:

  • Strong Java programming foundation, with knowledge of JVM principles, memory models, and garbage collection.
  • Mastery of OOP and SOLID design principles, good coding habits, and code refactoring skills.
  • Familiar with common design patterns and their practical applications.

DevOps and Continuous Delivery:

  • Proficient in version control systems like Git, build tools like Maven/Gradle, and CI/CD tools such as Jenkins and GitLab CI/CD.

Problem-Solving and Learning Ability:

  • Excellent logical thinking and problem-solving skills, capable of quickly identifying and resolving issues in complex technical environments.
  • Passionate about learning new technologies and exploring technical advancements.

Other Requirements:

  • Good English reading skills for technical documentation.
  • Strong communication skills, teamwork spirit, adaptability to fast-paced environments, and self-motivation.

Tell employers what skills you have

MVC
Kubernetes
Design Patterns
Data Structures
MySQL
Application Development
JavaScript
Problem Solving
Cassandra
SQL
Core Java
System Design
Transaction Management
Angular
Docker
Java
API
Databases
Software Development
Technical Design

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