Senior Software Engineer, Data & AI

The role

You will build and own the internal AI platform, including agent harness, tool integrations, and context services. You will extend data infrastructure and embed with various business teams to replace manual workflows with automated systems.

What you will do

• Building and owning the internal AI platform
• Embedding with Finance, Sales Ops, Compliance, and onboarding to understand workflows
• Shipping systems that replace manual versions and handing them off to teams
• Extending data infrastructure with DBT models, BigQuery, orchestration, and production pipelines
• Sharing ownership of monitoring, alerting, and data reliability
• Partnering with Engineering to optimize dev systems and tooling

Required qualifications

• 4+ years experience shipping and maintaining production systems
• Built an internal platform or workflow system that other teams adopted
• Built with LLM APIs, agent frameworks, and MCP in production
• Strong fundamentals in TypeScript/Node or Python
• Fluency with a cloud data warehouse such as BigQuery, Snowflake, or Databricks
• Ability to understand non-technical team workflows and build systems for them
• Comfortable working with ambiguity in a startup environment

Nice to have

• Experience in payments, crypto, or blockchain

About the company

Lightspark is creating the Money Grid, modern, open financial infrastructure that makes payments accessible, affordable, and instant for businesses and users worldwide.