pressw - Senior Engineer – Backend Lead
Requirements
• 7+ years of backend engineering experience. Strong hands-on Python required. TypeScript familiarity preferred (there is a dedicated Frontend Lead, but cross-stack awareness helps). • Production cloud infrastructure experience, with depth in Kubernetes. You have owned infrastructure decisions and implementation, not just deployed to someone else's setup. • Strong PostgreSQL fundamentals: schema design, migrations, performance tuning, and working with views. Experience with Aurora PostgreSQL a plus. • Experience working on a system rebuild, decomposition, or large-scale migration where old and new systems ran side by side. • Must have shipped meaningful code in the last 2 years. • Terraform or equivalent IaC. • Healthcare, HIPAA, or regulated-data experience. • Event-driven systems (Kafka, message bus migration). One phase of this engagement replaces a legacy message bus and task queue with Kafka. • AI-assisted development workflows (Claude Code, agent frameworks, MCP).
Responsibilities
• Partner with the Principal Engineer to lead backend architecture and implementation. Build FastAPI service layer controllers, Pydantic schemas, and legacy-compatible endpoint wrappers that let the old frontend work against the new backend without changes. • Port service groups from the legacy system (Python 2.7, legacy web framework) to FastAPI (Python 3.13+/SQLAlchemy 2.0), one functional area at a time. You are the primary backend driver for this work across multiple service groups over multiple quarters. • Own cloud infrastructure on PressW's side: Kubernetes (EKS), networking, IAM, compute, data services, observability. Collaborate with the client's DevOps team on deployment pipelines and rollout execution. • Partner with the Data Engineering Lead on translation layer integration (database views, write mappers, dual-write patterns) and migration sequencing. • Drive code quality, review standards, and testing discipline across the backend. • Mentor mid-level engineers and help the Principal set the technical bar.
Benefits
• You will own the backend outcome on a 12-month engagement rebuilding a platform that serves 1,000+ healthcare customers. Small team, high autonomy, real stakes.
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