Cloud Software Developer(Billing)

Role Summary

We are looking for a Cloud Service Developer with strong experience in AWS and Node.js to join our backend team. In this role, you will be responsible for designing, developing, and maintaining cloud-based services that power our large-scale applications. You will work closely with product managers, frontend developers, and DevOps engineers to build secure, scalable, and reliable backend systems.

Experience in integrating payment systems like Stripe will be a strong plus.

Responsibilities (What he/she will do after joining UI)

• Design, implement, and maintain cloud-native backend services on AWS.
• Develop high-quality, scalable, and maintainable APIs using Node.js.
• Collaborate with cross-functional teams to define and deliver technical solutions aligned with product goals.
• Ensure cloud service reliability, scalability, and security through monitoring, alerting, and automation.
• Write clean, testable code and participate in code reviews.
• Contribute to architecture design discussions and continuously improve service performance and cost efficiency.
• (Bonus) Integrate and manage payment processing systems (e.g., Stripe).

Requirement (Must-Haves)

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience developing backend services or cloud applications.
• Strong proficiency with Node.js and RESTful API design.
• Hands-on experience with AWS services (e.g., ECS, S3, SQS, SNS, and RDS).
• Solid understanding of CI/CD, containerization (Docker), and microservice architecture.
• Knowledge of cloud security best practices and IAM management.
• Excellent problem-solving, debugging, and communication skills.
• Proficiency in AI development environments (e.g., Cursor, Claude Code) and expertise in AI development techniques, such as Spec-Driven Development, are required.

Preferred Qualifications

• Experience integrating with Stripe or other payment systems.
• Familiarity with TypeScript or Serverless Framework.
• Knowledge of monitoring tools such as CloudWatch, Datadog, or Prometheus.
• Exposure to high-availability, distributed system design.
• Passion for learning new technologies and improving developer experience.