全职 Full-Stack Developer 工作, 薪水, OrgScale Recruitment 公司招聘中 - Ricebowl

Key Responsibilities

Develop and maintain backend services using TypeScript, Node.js, and NestJS.

Investigate production incidents involving duplicate payments, failed transactions, payment gateway outages, and security key issues.

Identify root causes, propose solutions, and implement fixes in collaboration with the Tech Lead.

Optimize PostgreSQL or MySQL queries, indexes, transactions, and database performance.

Work with microservices communication, distributed transactions, and high-load processing scenarios.

Implement and maintain reliable transaction flows, including idempotency and failure handling.

Analyze data, monitor system performance, and improve application stability.

Deliver planned development tasks and system enhancements.

Participate in code reviews and contribute to engineering standards.

Handle occasional frontend development tasks using React.

Join the on-call rotation when the 24/7 SLA is introduced.

Requirements

3+ years of commercial software development experience.

3+ years of hands-on, commercial NestJS experience in a production environment.

Strong TypeScript and Node.js skills. Express-only experience does not meet this requirement.

Experience with PostgreSQL or MySQL, including:

Complex SQL queries and query optimization

Indexing and performance tuning

Database transactions and concurrency considerations

Basic React or Next.js experience and willingness to contribute to frontend tasks.

Practical experience supporting or implementing high-load systems, such as:

Database and transaction optimization

Communication between services

Distributed transactions and Saga patterns

Identifying bottlenecks and reliability issues

Understanding of microservices architecture and its trade-offs.

Understanding of payment idempotency, monitoring, and testing practices.

Experience investigating production issues and implementing corrective actions.

English proficiency.

Ability to work independently, take initiative, and communicate technical issues clearly.