Senior Backend Software Engineer - Nas.com

Full-time, Hybrid At Nas.com , we’re building the future of online business. Our AI-powered platform helps solopreneurs and professionals transform ideas into thriving digital products—fast, simple, and low-cost. With Nas.com , anyone can go from concept to creation: launch a product, find their first customers, and generate their first revenue online in minutes. Founded by the team behind Nas Daily, whose content reaches over 500 million people every month, we are a global team of 100 people serving users around the world, united by one mission: to make starting and scaling an online business easier than ever before. Position Overview Nas.com is seeking a Senior Backend Engineer to support and scale our backend systems for a fast-growing creator platform. This is a full-time role open to candidates in China. The ideal candidate thrives in an asynchronous work environment , can work independently, and is passionate about improving product reliability, system architecture, and performance. You will play a key role in ensuring our platform remains robust and responsive around the clock. Key Responsibilities Backend Feature Development: Collaborate with product managers to design and implement new backend features that align with business goals and user needs. Ensure features are delivered from concept to deployment with high quality. System Architecture & Performance: Continuously improve the architecture of our core systems for better performance, scalability, and maintainability. Participate in technical design discussions and make decisions to enhance system reliability. Infrastructure & DevOps: Enhance and maintain our infrastructure (AWS cloud services and related tooling). Set up and refine CI/CD pipelines as needed to streamline deployments. Monitoring & Alerts: Establish and fine-tune comprehensive monitoring, logging, and alerting across all platforms. Maintain observability tools to ensure any issues are detected early and accurately, enabling rapid response. Off-Hours Support: Serve as the point person for troubleshooting and responding to backend system issues during off-peak hours (EU daytime / APAC night). Promptly address incidents, mitigate impact, and escalate to the broader engineering team if critical issues arise outside your expertise. Quality & Best Practices: Uphold high code quality standards through code reviews, testing, and documentation. Introduce best practices for coding, error handling, and performance optimization across the backend team. Qualifications & Skills Experience: 4+ years in backend development or systems engineering roles, with a strong track record of building and maintaining scalable systems. Backend Proficiency: Hands-on experience in one or more backend programming languages and frameworks ( Node.js , Python ) for building APIs and services. Databases & Caching: Solid experience working with databases (especially MongoDB or other NoSQL/SQL databases) and caching systems like Redis to build efficient data-driven applications. Cloud Infrastructure: Familiarity with cloud platforms, preferably AWS , including services such as EC2, S3, Lambda, etc. Ability to manage and optimize cloud resources for cost and performance. Observability: Experience with observability and monitoring tools (for example, setting up dashboards, logs, and alerts using services like CloudWatch, Datadog, or Grafana/Prometheus) to ensure system health and performance. Autonomous Work: Proven ability to work autonomously and take initiative in a remote, asynchronous environment . You should be comfortable making progress with limited supervision and adept at communicating progress or issues in writing. Problem-Solving Skills: Strong debugging and problem-solving abilities, especially under time pressure when responding to incidents. Capable of systematically diagnosing issues across a complex system (from application to database to infrastructure). Bonus Points: Prior experience at a startup or in a fast-paced tec