Senior Backend Engineer

Key Responsibilities:

• Design, build, and maintain scalable, high-performance backend services using C#, .NET Core in microservices/serverless architectures.
  
  
• Lead API development—design and implement RESTful APIs/GraphQL with clear documentation and versioning strategies.
  
  
• Architect data-intensive systems—ensure data quality, security, and performance in cloud-native environments.
  
  
• Optimize systems end-to-end—apply data structures, algorithms, and design patterns to solve complex scalability challenges.
  
  
• Mentor engineers through code reviews, architectural discussions, and best practices (e.g., lean code, SOLID).
  
  
• Collaborate cross-functionally with Product Owners, Mobile Engineers, UIUX, and QA to deliver high-impact features.
  
  
• Secure systems—implement authentication/authorization (OAuth, JWT) and enforce security best practices.
  
  
• Own cloud infrastructure—deploy and manage services on AWS using serverless frameworks, containers (Docker/ECS), and IaC (Terraform).
  
  

Requirements:

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).
  
  
• 5+ years of backend development experience.
  
  
• Ability to work independently and as part of a team.
  
  
• Excellent problem-solving and critical thinking skills, with the ability to break down complex problems and devise innovative solutions.
  
  
• Experience articulating technical concepts to diverse audiences.
  
  
• Experience in Agile software development methodologies, such as Scrum and Kanban.
  
  
• Relevant cloud computing certifications.
  
  
• Good command of English and Mandarin to liaise with Mandarin-speaking partners and stakeholders.