ELCA Informatique 3.7 ★

We are seeking skilled and motivated Java Developers to join our dynamic engineering team at Quidax as we develop and enhance Quidax 3.0, the next generation of our cryptocurrency exchange platform. This is an exciting opportunity to work with cutting-edge technologies in a fast-paced, high-growth environment. As a Java Developer, you will play a key role in designing, implementing, and maintaining efficient and scalable backend services, ensuring our platform operates seamlessly. You will collaborate with cross-functional teams, including product managers, UI/UX designers, and DevOps engineers, to deliver world-class solutions. For candidates with over 5 years of experience, the role will be considered for Senior Java Developer, where you will also mentor junior developers, contribute to architecture decisions, and work on advanced messaging and threading systems. 

Responsibilities

• Develop and maintain backend services using Java (Java 8+), Spring Boot, and MyBatis.
• Design and implement APIs for our cryptocurrency exchange platform
• Write clean, scalable, and secure code adhering to best practices.
• Work with relational databases, ensuring optimal performance and efficient data handling.
• Collaborate with front-end developers, DevOps, and product teams to ensure seamless system integration.
• (For Senior Developers) Lead technical discussions, provide mentorship to junior developers, and contribute to the design of high-performance messaging systems.
• (For Senior Developers) Implement advanced Java threading and concurrency features.

Requirements

• 3+ years of hands-on experience in Java development (Java 8+).
• Solid knowledge of Spring Boot and MyBatis frameworks
• Strong experience working with relational databases (e.g., MySQL).
• Familiarity with RESTful APIs and microservice architectures.
• Experience in unit testing and version control systems (e.g., Git).
• Strong problem-solving skills and ability to work in a collaborative environment. 

Additional Requirements for Senior Developers

• 5+ years of professional experience in Java development.
• Expertise in Java threading and concurrency models.
• Proven experience in building and optimizing messaging systems (e.g., RabbitMQ, Kafka). 
• Experience in leading and mentoring development teams.

Bonus Skills (Optional)

• Experience in blockchain or cryptocurrency-related projects. 
• Familiarity with NoSQL databases
• Knowledge of cloud-based infrastructure (AWS, Google Cloud, etc.)