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QUESS SELECTION & SERVICES PTE. LTD.

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Senior Backend Engineer

Discussion

We are seeking a seasoned Senior Backend Engineer with at least 6 years of experience to join the team. This role is focused on the hands‑on development and scaling of our high-performance transaction systems. You will be responsible for solving complex technical challenges, ensuring system reliability, and contributing to a high-standard codebase. You will play a key part in guiding technical decisions and supporting the growth of junior engineers through peer code reviews and knowledge sharing.

Responsibilities

  • Design and implement scalable, cloud‑native backend services for mission‑critical transaction systems.
  • Write clean, high-quality code using .NET 10/Core and a secondary backend language.
  • Optimize system performance and database queries to handle high‑concurrency traffic.
  • Perform thorough code reviews and advocate for engineering best practices and technical standards.
  • Troubleshoot and resolve complex production issues to ensure high availability and stability.
  • Support junior team members through technical guidance and sharing domain expertise.
  • Collaborate with product and architecture teams to refine technical specifications and project scope.
  • Contribute to the automation of deployment pipelines and system monitoring.

Required Skills

  • Minimum 6 years of professional experience in backend development, specifically with transactional or high‑traffic systems.
  • Expert proficiency in C# and .NET Core.
  • Strong hands‑on experience with at least one other backend language such as Golang, Java, or Python.
  • Deep understanding of multi‑threading, asynchronous programming, and distributed system fundamentals.
  • Practical experience with cloud platforms (AWS, Azure, Alibaba).
  • Advanced knowledge of relational databases (MSSQL) and performance tuning.
  • Proven ability to work independently on complex tasks in a fast‑paced environment.

Skills

See also

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