1. Independently complete the design and development of high-performance, highly available, and scalable modules according to business and technical requirements;

2. Responsible for feasibility analysis, requirements analysis, and design work of software projects;

3. Responsible for the development, design, optimization, and maintenance of web application software systems;

4. Participate in the deployment and maintenance of systems;

5. Collaborate with testers and business teams to test new systems;

※ Job Requirements

1) Basic Requirements

1. Over 7 years of Java development experience, bachelor's degree or above in a related field of computer technology;

2. Understanding of commonly used Java design patterns and the ability to apply them appropriately;

3. Proficient in using middleware such as Redis, RocketMQ/RabbitMQ;

4. Familiar with daily version development processes and proficient in using tools such as Maven and Git;

5. Good team collaboration spirit, strong sense of responsibility, and ability to work under significant pressure;

1. Development Tasks: Complete assigned development tasks on time, delivering high-quality code and documentation.

System Maintenance: Maintain the high stability and availability of the trading system, continuously optimizing system performance and user experience.

2. Technical Research: Continuously research innovative technologies and share research findings with team members.

3. Problem Solving: Responsible for identifying and resolving issues encountered by customers, ensuring the normal operation of the system.

4. Team Collaboration: Work closely with team members to complete functional development tasks.

1. Responsible for product requirement analysis, system design, and database design;

2. Participate in product requirement analysis, delve into requirements, and study project technical details;

3. Write relevant technical documentation according to company standards;

4. Resolve challenging issues that arise in projects and optimize system performance;

5. Regularly summarize and share experiences and results accumulated from work; maintain good communication and exchange with team members.

1、参与制定前后端的业务流程、接口协议、输出产品以及技术文档；

2、参与项目的设计、研发、部署及运维工作、编写相关特性的需求文档；

3、负责编码实现具体功能，并自测交付测试；    

4、能负责数据库的管理维护，保证服务器端系统各种数据的安全稳定能力；

5、对开发任务能做出预估，对突发性出现的问题能够及时追踪、定位和解决；

6、不局限开发语言，积极主动协助团队做好开发任务，有全栈发展规划。

Backend Development Engineer - Trading System

Job Responsibilities:

• Responsible for designing and developing the backend architecture of the Trade Terminal trading system, ensuring high performance and stability
• Collaborate closely with traders and the strategy team to develop and optimize the trading system and related tools
• Develop and maintain a low-latency real-time market data system
• Design and implement an efficient trading execution system that connects to more than 10 exchange APIs
• Analyze historical trading data with a focus on liquidity, market impact, and trading performance optimization
• Enhance monitoring tools to visualize the trading system and portfolio management of Trade Terminal in real-time
• Responsible for the optimization and innovation of the backend technology framework while maintaining best practices with the team
• Support backend business requirements in the context of blockchain exchanges and continuously optimize system performance

About the opportunity:

We are looking for a proactive and self-driven Senior Java Backend Engineer who can join us along this mission and vision. You’ll become an integral part of the WOO Backend Team, responsible for all the development of the backend services that support our WOO X and internal tools 7*24. The heroes keep improving the performance of our trading system and optimizing the stability and scalability of our whole ecosystem. Interested? Keep on reading!

What you’ll be working on:

• Developing the core functions of the trading platform and building the technology infrastructure that supports digital asset trading on the Internet;
• Implementing RestFul and WebSocket API interfaces to support customers in receiving market data and executing orders;
• Establishing a robust, efficient, and concurrent trading system to ensure 7x24 hours of uninterrupted operation;
• Actively conducting efficient communication with the product team and business development team to collect requirements and participate in product planning and system design;
• Proposing practical and feasible solutions and producing technical documents independently.

Only candidates with relevant industry experience will be considered.

Job Responsibilities:

1. Responsible for the development and maintenance of quantitative trading systems, particularly in the application within the cryptocurrency market.

Utilize advanced programming skills to optimize trading algorithms and data processing workflows, ensuring system performance and trading efficiency.

2. Collaborate closely with financial analysts and data scientists to develop new trading strategies and implement them effectively.

3. Monitor the performance of trading systems, making timely adjustments and optimizations to adapt to market changes.

4. Manage and lead the technical team, coordinating development tasks to ensure projects are completed on time and meet technical standards.

Job Title: Senior Wallet Engineer

Responsibilities:

Lead the team to design and develop wallet systems that meet business requirements and stringent security standards;

Guide the team in researching and implementing new chain technologies and their related wallet solutions;

Develop, maintain, and optimize existing wallet services to ensure stability and efficiency;

Quickly respond to and accurately identify and resolve technical issues with wallet services.

1. Based on independently developed Telegram advertising alliance, seek mini-apps to provide advertising monetization solutions for project parties.

2. Main client targets: TG mini-apps and TON ecosystem project parties.

3. Establish and maintain close contacts with the TON ecosystem developer community to promote the sustained development of cooperative relationships.

4. Analyze market trends, study competitors' strategies, and formulate and implement effective expansion strategies.

1. Experience in centralized exchanges is required, including core processes such as spot market, orders, matching; contract market, orders, positions, matching, and asset management.

2. Strong foundation in Java, proficient in IO, Netty, RPC, Kafka, RocketMQ, WebSocket, multithreading, high concurrency, and core libraries.

3. Familiarity with distributed caching and messaging mechanisms, as well as high concurrency and high-performance distributed system design and optimization.

4. In-depth understanding of commonly used internet technologies and frameworks, including the Spring ecosystem, MyBatis, Redis, Nacos, message queues, Zookeeper, and other open-source components and technologies.

1. Responsible for Java development and debugging of the software system;

2. Participate in the design and development of the software;

3. Write development documentation.

1. Responsible for expanding the Japanese market by developing and maintaining cooperative relationships with travel-related enterprises in Japan, including but not limited to airlines, travel agencies, and hotels.

2. Responsible for achieving and executing business cooperation agreements with partners to ensure the maximization of mutual interests.

3. Follow up on project progress, promptly address issues and needs raised by partners, and maintain good communication and collaborative relationships.

4. Analyze market demands and competitive conditions in Japan, develop effective marketing strategies and plans to enhance the company's visibility and influence in the Japanese market.

5. Participate in the formulation of business development plans and objectives, achieve performance indicators, and continuously optimize business operation processes.

1. Responsible for the integration of blockchain asset projects, requirements analysis, project planning, and independently completing the design and development of the on-chain asset service backend.

2. Interface with new blockchain business and product requirements, completing the functional design and development of services.

3. Responsible for or participate in the architecture design, upgrades, and performance optimization of the on-chain asset service backend, collaborating with the leader on technical research and breakthroughs to overcome technical challenges in systems and projects.