Senior Software Engineer - Backend Python Developer

Black Lantern Security is a Services Oriented Company Black Lantern Security is built around the ingenuity, passion, and determination of our Operators and Analysts No one "mastermind" No "cult of personality" Competitive compensation and benefits Healthy work-life balance Project-based engagements that play to the team's strengths Senior Software Engineer - Backend Python Developer Location: Remote Required: 7+ years professional Python with real, substantive experience in both of the following (not just one): Django - ORM, migrations, Admin, app structure. FastAPI / Starlette - async routing, Pydantic, dependency injection. 3+ years of RUST development experience in a production environment. ASGI fluency - Understand the difference between ASGI and WSGI, have worked with async_to_sync / sync_to_async in anger, and have opinions about where the sync / async boundary should live in a hybrid application. PostgreSQL and MongoDB- schema design, indexing, migrations at scale, query optimization. Multi-database architecture experience - comfort operating with more than one data store concurrently. OpenAPI schema design - can read and reason about the generated spec; understand why schema churn breaks auto-generated clients. Django migrations coordinated across multiple environments - no data loss, careful about backward compatibility. Linux, Docker, Docker Compose, health checks. Security-aware development - secrets at rest, OAuth callback URL hygiene, CORS and CSRF in an ASGI context. Excellent written communication - enterprise customers need clear incident write-ups and release notes. Perferred background: Prior experience with a FastAPI + Django hybrid codebase. MongoDB (pymongo, aggregation pipelines). Redis patterns - distributed locking, pub/sub, caching strategies. OAuth provider integration. At-rest encryption patterns - django-encrypted-model-fields or equivalent. Kubernetes / Helm. SOC 2 Type II engineering experience. Pydantic v2 - performance characteristics, migration patterns. Prior B2B SaaS experience.