Note: The job is a remote job and is open to candidates in USA. Castellum.AI is an AI layer for compliance infrastructure that provides intelligence data, AI-driven screening, and AI Agents to resolve alerts. The Software Engineer, Data will build and maintain web scrapers and Python ETL pipelines, ensure data quality and freshness, and integrate new data sources while growing into other parts of the technology stack.

Responsibilities

• The scrapers that feed the platform. Build and maintain the scrapers pulling in sanctions lists, watchlists, and regulatory sources
• Our Python ETL pipelines. Turn raw data into something the product can trust, and scale the pipelines as we add sources and volume
• Data quality and freshness. You'll keep what lands in the platform accurate, current, and deduplicated
• New sources, end to end. Take a source from "we need this" to live in the pipeline
• More of the stack, over time. Room to grow into our Go API, AI agents, and TypeScript/React frontend as you ramp and depending on your interests
• The rest of the day is building. Writing and maintaining web scrapers, building and improving our Python ETL pipelines, and getting new data sources into the platform cleanly and reliably
• Ownership that grows with you. You'll start with well-scoped projects and plenty of support, and take on more end-to-end ownership as you ramp

Skills

• 0–4 years of experience building software: professional experience, internships, or strong personal/open-source projects all count
• Python experience
• Comfort working with data and relational databases (PostgreSQL or similar)
• Clear written and verbal communication
• You get real value out of AI developer tools
• You're excited to work at a start up on a small, fast-moving team
• Experience building web scrapers or ETL / data pipelines
• Exposure to Go or TypeScript/React (or a strong desire to learn them)
• Experience with Elasticsearch, gRPC/protobufs
• Experience building AI agents
• Prior startup or small, fast-moving team experience

Benefits

• Equity
• Remote-first workplace
• Unlimited PTO
• Paid parental leave
• Medical, dental, and vision (100% coverage for employees)
• 401(k) through Vestwell
• $350 one-time stipend for home office setup
• $350 monthly coworking stipend
• $100 monthly phone stipend
• $100 monthly home internet stipend
• Childcare or petcare when attending work events
• Up to $5,000 annual professional development stipend

Company Overview