<p>Senior Software Engineer, Backend (Python / Cloud Security Platforms)</p><p>Location: Philadelphia, PA</p><p>Work Arrangement: Hybrid – 2-4 days per week onsite</p><p>Schedule: Standard business hours</p><p><br></p><p>Key Responsibilities</p><p>Backend Engineering & Platform Development</p><ul><li>Design, build, and maintain backend services and data pipelines that ingest, normalize, and analyze large volumes of cloud and security data.</li><li>Write production‑quality Python code using established architectural patterns, testing practices, and documentation standards.</li><li>Design and own medium‑complexity systems, including data models, API contracts, orchestration logic, and integrations.</li></ul><p>AI‑Augmented Development</p><ul><li>Leverage AI coding agents daily to accelerate development while maintaining code quality and architectural consistency.</li><li>Craft structured prompts aligned with project conventions and critically evaluate AI‑generated output for correctness, security, and maintainability.</li><li>Apply judgment to determine when to hand‑code versus delegate tasks to AI agents.</li></ul><p>Cloud, Infrastructure & Reliability</p><ul><li>Build and maintain services running on AWS, including containerized workloads and supporting cloud services.</li><li>Implement resilient, long‑running processes with robust retry logic, progress tracking, and failure handling.</li><li>Contribute to Infrastructure as Code and CI/CD pipelines supporting multi‑environment deployments and security scanning.</li></ul><p>Collaboration, Quality & Operations</p><ul><li>Conduct thorough code reviews evaluating design intent, correctness, security, and long‑term sustainability.</li><li>Collaborate closely with security analysts, platform teams, and leadership to refine requirements and technical solutions.</li><li>Participate in support rotations, monitor service health, and respond to operational issues.</li><li>Maintain documentation, runbooks, and architectural decision records.</li></ul>