Senior AI Platform Architect

CSL Ltd. ADR; King of Prussia (PA); On-site; USD 180,000 - 240,000; Full time

Job summary

CSL Behring seeks a senior full‑stack engineer and architect to translate prototypes into durable, validation‑ready systems, owning standards and production readiness. You’ll drive production patterns and ensure secure, scalable delivery across the team’s applications.

You’ll work hands‑on with agentic tools (e.g., Claude Code, Codex), shape platform patterns with enterprise teams, and own CI/CD, IaC and observability. Collaboration with scientists is key.

Qualifications

• Bachelor's degree in science or engineering or equivalent experience.
• 10+ years building and operating production software as a hands‑on architect.
• Experience in regulated, validated environments (GxP, IQ/OQ/PQ).
• Daily use of agentic tools like Claude Code or Codex to design and ship software.
• Ownership of CI/CD, infrastructure as code and release engineering with a distributed team.
• Track record turning prototype code into production‑grade software.
• Solve production concerns between applications and platforms with reusable patterns.
• Fluency in Python, TypeScript or PostgreSQL and guidance across a polyglot stack.
• Deep cloud‑native experience with AWS; Azure or GCP depth also valued.
• Hands‑on LLM patterns (RAG, vector search, multi‑stage pipelines).
• Experience collaborating with research scientists.

Responsibilities

• Own engineering standards and production readiness for all team applications.
• Refactor prototypes to production grade with testing, security and observability.
• Lead application‑to‑platform integration including authentication and SSO.
• Define and maintain CI/CD pipelines, IaC, environments and runbooks.
• Own code‑review standards and merge gate for the team’s repositories.
• Design full‑stack, cloud‑native systems (APIs, orchestration, data stores).
• Partner with QA and validation teams to ensure risk‑based practices.
• Work with R&D scientists to define software requirements and productize key apps.
• Gain senior leadership acceptance for deployment patterns and security.

Skills

Hands-on architect

Agentic development tools

Production software

Cloud-native development

Python/TypeScript/PostgreSQL

Education

Bachelor's degree in science or engineering

Advanced degree preferred

Tools

AWS

Azure

GCP

Claude Code

Codex

CI/CD pipelines

Job description

CSL Behring seeks a senior full‑stack engineer and architect to translate prototypes into durable, validation‑ready systems, owning standards and production readiness. You’ll drive production patterns and ensure secure, scalable delivery across the team’s applications.

You’ll work hands‑on with agentic tools (e.g., Claude Code, Codex), shape platform patterns with enterprise teams, and own CI/CD, IaC and observability. Collaboration with scientists is key.