Senior Backend Engineer

Role Overview

We are seeking a seasoned Senior Backend Engineer 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.
• Collaborate with product and architecture teams to refine technical specifications and project scope.
• Contribute to the automation of deployment pipelines and system monitoring.
• 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.

Requirements

• Minimum 6 years of professional experience in backend development, specifically with transactional or high-traffic systems.
• Bachelor's degree or above in Computer Science, Engineering or a related technical field.
• 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.