Senior / Expert Backend Engineer (Java)

**JOB SUMMARY**:
We are seeking an **Senior / Expert Backend Engineer**to take a technical leadership role across teams and domains. You’ll be responsible for architecting and driving the development of scalable, resilient systems that directly align with business objectives. As a domain expert, you’ll provide thought leadership, mentor other engineers, and shape engineering best practices across the organization. This role is ideal for a highly experienced backend engineer who is passionate about building high-performance systems and enabling long-term technical excellence.

**JOB DUTIES**:

- **System Architecture**:Design and review scalable, fault-tolerant, and secure system architectures, including multi-region disaster recovery and strong data consistency.
- **Technical Leadership**:Provide domain expertise and guidance across multiple teams; drive cross-functional architectural discussions.
- **Business Alignment**:Translate complex business requirements into scalable technical solutions, considering long-term product and company strategy.
- **Reusable Components**:Build high-quality, reusable components and establish best practices to boost team-wide efficiency.
- **Process Innovation**:Define and implement domain-level standards, governance rules, and process improvements (e.g., microservice design, observability, code quality).
- **Mentorship & Collaboration**:Coach engineers, drive knowledge sharing, and cultivate a culture of continuous improvement and innovation.

**JOB REQUIREMENTS**:

- Bachelor's Degree of Computing, Software Engineering, IT or related field.
- **Experience**:Minimum **8+ years**of experience in backend system design and development, with a proven track record of delivering mission-critical systems.
- **Tech Stack Expertise**:Deep expertise in **Java**, with mastery of backend frameworks (e.g., Spring Boot, WebFlux), messaging systems (e.g., Kafka), and distributed databases (SQL/NoSQL, Redis, etc.).
- **Architectural Skills**:Experience designing and scaling large distributed systems with a focus on performance, availability, security, and resilience.
- **Process Leadership**:Able to define and implement engineering standards and technical guidelines at the system/domain level.
- **Innovation & Problem Solving**:Continuously evaluates new technologies and integrates them strategically to enhance systems and processes.
- **Risk & Impact Awareness**:Anticipates edge cases and long-term impacts, and incorporates robustness, observability, and compliance from the design stage.
- Fluency in written and spoken English and Mandarin is highly desirable to liaise with Chinese speaking clients and counterparts to understand their technical requirements.

**Soft Skills**:

- **Influence & Leadership**:Persuasively drives adoption of best practices and standards across teams and stakeholders.
- **Decision-Making**:Makes informed, strategic decisions backed by technical expertise and business impact analysis.
- **Communication**:Clearly and effectively communicates complex ideas and listens actively to facilitate constructive discussions.
- **Collaboration**:Enables cross-team alignment and contributes to a culture of ownership, transparency, and innovation.

**What We Offer**:

- **Technical Decision-Making Authority**: Lead core system architecture and influence the company’s technical direction.
- **Collaboration with Top Talent**: Work alongside senior engineers to tackle highly complex challenges.
- **Cutting-Edge Technology Practice**: Adopt innovative technologies while balancing innovation and stability.
- **Knowledge Leadership Role**: Shape engineering culture through tech sharing, mentorship, and standards definition.