Full-Stack Developer

About the role

Shadow is building an AI coordination layer that powers marketing teams of fast‑growing consumer brands. As a Full‑Stack Developer you will own end‑to‑end feature delivery, shaping both the product and the engineering culture.

Key responsibilities

• Design, develop, and scale full‑stack features from database schema to React components.
• Build and maintain RESTful and GraphQL APIs, data pipelines, and distributed services on Google Cloud Platform.
• Integrate, prompt, and debug large language models (LLMs) and generative AI tools, including RAG and fine‑tuning pipelines.
• Ensure seamless interoperability between front‑end and back‑end, optimizing data flow and enforcing contracts.
• Collaborate with product, research, design, and infrastructure teams to define requirements and ship production‑grade code.
• Monitor performance, reliability, and security of services.
• Mentor junior engineers through code and architecture reviews.

Required profile

• 5+ years of professional software engineering experience with full‑stack ownership.
• Deep expertise in Python, Node.js, React/TypeScript, and PostgreSQL.
• Hands‑on experience with GCP, Docker, Kubernetes, and high‑traffic systems.
• Proven track record integrating AI/ML models (LLMs, NLP, RAG) into production.
• Strong problem‑solving skills and a product‑first mindset.

Required skills

• Python
• Node.js
• React
• TypeScript
• PostgreSQL
• Google Cloud Platform
• Docker
• Kubernetes
• Terraform
• Airflow
• RESTful APIs
• GraphQL
• LLMs, RAG, prompt engineering

What we offer

• Daily production code shipping and influence over product and technical decisions.
• Opportunity to shape engineering culture, tools, processes, and hiring.
• Direct interaction with CEOs, CMOs, and VPs of consumer brands generating $80M–$500M revenue.
• Fully remote work supporting an EST schedule (9 AM–5 PM EST).