Senior Backend Java Engineer

Top 3 Reasons To Join Us Attractive income. Being recognized, fair compensation. Open and honest culture. The Job

1. Microservices Development

• Design and develop backend services across core domains:
  • Valuation
  • Mortgage
  • Agent / Brokerage
  • Banking Integration
• Build services following:
  • Microservices architecture
  • Event-driven architecture
  • Scalable and maintainable design

2. ACN Platform Development

• Develop core platform components, including:
  • Organization & team structure
  • Role & permission systems (RBAC / ABAC)
  • Workflow & approval flows
  • Operational cockpit
• Define integration standards between business services and platform services

3. System Design & Architecture

• Design and define:
  • API contracts
  • Service boundaries
  • Domain data models
• Solve distributed system challenges such as:
  • Transaction consistency
  • Idempotency
  • Fault tolerance
  • Retry strategies

4. Integration & Cross-team Collaboration

• Integrate with:
  • Authentication & Identity systems
  • Workflow engines
  • Data platforms & event systems
• Work closely with Mobile, Frontend, Data, and Platform teams

5. Engineering Quality & Excellence

• Conduct code reviews and provide technical mentoring
• Standardize engineering practices, including:
  • Logging
  • Exception handling
  • API design
• Reduce technical debt and continuously improve system maintainability

Role Impact & Value

This role plays a critical part in:

• Building a scalable, long-term backend platform
• Ensuring the robustness of the ACN platform
• Reducing technical debt across the entire system

Your Skills and Experience

1. Must-have

• 6+ years of experience in Java Backend development
• Strong proficiency in:
  • Java 8+
  • Spring Boot
  • JPA / Hibernate
  • RESTful API design
• Hands-on experience with:
  • Microservices architecture
  • Messaging systems (Kafka, RabbitMQ)
  • SQL databases (PostgreSQL, MySQL)
• Solid understanding of:
  • Transaction management
  • Asynchronous processing
  • Performance optimization

2. Distributed Systems Knowledge

Candidates should have hands-on experience with:

• Service-to-service communication
• API versioning
• Eventual consistency
• Retry & failure handling strategies
• RBAC / permission models

3. Preferred Qualifications

• Experience building:
  • Internal platforms
  • Organization / role management systems
  • Workflow engines
• Understanding of data platforms and event streaming
• Experience in fintech, proptech, or large-scale enterprise systems

4. Soft Skills

• Strong system thinking and solution design capability
• High ownership and proactive mindset
• Ability to clearly communicate technical concepts across multiple teams

Why You'll Love Working Here

Inside our engineering team:

• We iterate constantly. There's no such thing as the best version of anything, just a constant streams of improvements and tests.
• We move fast, really fast. Major changes can be executed in a few days, many times just a few hours.
• We have a data-informed mindset. We try to use data to inform our decision as much as possible.
• We are independent. Most of the time, your team will not need technical assistance from other teams.
• We take risks. We're not afraid to challenge "best practices".

Our attractive offers include: 

• Open communication with passionate and experienced members.
• Challenging working environment.
• Social insurance, unemployment insurance under the Insurance Law
• Internal events to bond our mutual understanding & spirit such as team building, team outing, Citic's birthday, Year-end party...
• Generous special Employee Stock Ownership Plan (ESOP), which is approved by the Board of Director.
• 40 flexible working hours per week from Monday to Friday.
• Young, dynamic working environment with strong startup culture.
• Training and career development opportunities.
• Company team building, annual Birthday party and other events: New Year, X-mas,…
• Support fee for parking, marriages, child births, hospitalization.
• Sport clubs (Running, Badminton, Soccer).

Benefits

Inside our engineering team:

• We iterate constantly. There's no such thing as the best version of anything, just a constant streams of improvements and tests.
• We move fast, really fast. Major changes can be executed in a few days, many times just a few hours.
• We have a data-informed mindset. We try to use data to inform our decision as much as possible.
• We are independent. Most of the time, your team will not need technical assistance from other teams.
• We take risks. We're not afraid to challenge "best practices".

Our attractive offers include: 

• Open communication with passionate and experienced members.
• Challenging working environment.
• Social insurance, unemployment insurance under the Insurance Law
• Internal events to bond our mutual understanding & spirit such as team building, team outing, Citic's birthday, Year-end party...
• Generous special Employee Stock Ownership Plan (ESOP), which is approved by the Board of Director.
• 40 flexible working hours per week from Monday to Friday.
• Young, dynamic working environment with strong startup culture.
• Training and career development opportunities.
• Company team building, annual Birthday party and other events: New Year, X-mas,…
• Support fee for parking, marriages, child births, hospitalization.
• Sport clubs (Running, Badminton, Soccer).