Backend Engineer
2 weeks ago
About Coverstar Coverstar is building the first safe, creative, AI-native social platform for Gen Alpha. We've built a COPPA-compliant community where kids can create, collaborate, and grow safely. We're backed by top investors like a16z, moving fast, and hiring a mission-aligned Backend Engineer to help us power the next generation of personalized content and community. What You Will Do As a Backend Engineer, you'll maintain, optimize, and scale Coverstar's backend systems to ensure they're secure, reliable, and high-performing. You'll lead efforts in infrastructure, monitoring, and incident response while partnering with backend, data, and AI teams. Your work keeps every feature, feed, and livestream running smoothly and safely for our community. AI/ML Infrastructure Support Partner with AI/ML engineers to build and scale model training and inference pipelines. Design and maintain data pipelines for preprocessing, labeling automation, and model integration. Optimize compute and storage architecture for efficient training and deployment. Infrastructure Management and Capacity Planning Optimize Postgres and DynamoDB performance through query analysis, indexing, and partitioning strategies. Ensure database scalability and availability for high-throughput workloads. Drive proactive capacity planning and long-term infrastructure improvements. Incident Response & Security Expand centralized monitoring: build on our Grafana/Prometheus setup by unifying logs, metrics, and system health data. Integrate advanced alerting: configure automated threshold- and anomaly-based alerts for rapid incident detection. Simulate attacks and conduct penetration testing to uncover and fix vulnerabilities. Refine and document incident response plans to ensure readiness and cross-team alignment. Support moderators with live moderation issues (can include weekend coverage). Incident response during EDT hours (9AM-9PM), restore services quickly, and drive long-term preventive measures. Build out SRE AI agents that assist with monitoring and troubleshooting tasks. You Might be a Fit If Have a minimum of 2 years of hands on backend backend development experience, preferably on AWS cloud AWS Solutions Architect Associate or similar certification preferred. Proficiency with Postgres and DynamoDB, including performance optimization and scaling strategies. Knowledge of incident response, observability practices, and security best practices. Experience building or supporting ML/data pipelines is a plus, or proven willingness to learn. Comfortable collaborating with distributed teams and providing coverage across EDT time zone. Our Stack Infrastructure: AWS (Lambda, EC2, ECS, S3, CloudFront, CloudWatch, Kinesis) Databases: Postgres (RDS), DynamoDB, Redshift Languages: Python, Node.js Observability & Ops: Grafana, Prometheus, centralized logging/alerting pipelines Security: Automated vulnerability scanning, penetration testing, real-time monitoring Clients: Native iOS & Android apps via secure backend APIs Why Join Us Build and scale the core infrastructure behind the next-gen social platform for Gen Alpha Solve high-impact reliability and security challenges at the intersection of scale and safety Work with a fast-moving team of backend engineers, AI specialists, and product builders
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