Senior Software Engineer, Data & AI
Lightspark1 month ago
Base Salary
$200k - $238k/yr
Responsibilities
- Build and own Lighthouse’s internal AI platform, including the agent harness, MCP servers, tool integrations, context and access services, sandboxed execution, and cost and usage tracking.
- Partner with Finance, Sales Ops, Compliance, onboarding, and other non-technical teams to understand workflows and ship systems that replace manual processes.
- Extend data infrastructure with dbt models, BigQuery or other cloud data warehouses, orchestration, and production pipelines.
- Share ownership of monitoring, alerting, and data reliability for systems supporting product launches.
- Partner with Engineering to improve internal development systems and tooling.
Requirements
- At least 4 years of experience shipping and maintaining production systems; data engineering, ML engineering, backend, and full-stack backgrounds are considered.
- Experience building an internal platform or workflow system adopted by other teams.
- Production experience with LLM APIs, agent frameworks, and MCP beyond prompting.
- Strong TypeScript/Node or Python fundamentals and willingness to work in both.
- Fluency with a cloud data warehouse such as BigQuery, Snowflake, or Databricks.
- Ability to work directly with non-technical teams to understand workflows and design systems.
- Comfort working with ambiguity in a startup environment.
- Experience in payments, crypto, or blockchain is preferred but not required.
- Based in Los Angeles or open to relocating to Los Angeles, California.
Tech Stack
Categories
About Lightspark
Lightspark builds an API-first payments platform for enterprises to send, receive, hold, and convert money across fiat and stablecoins in 65+ countries, with features like global accounts, wallets, and payouts. It uses the Bitcoin Lightning Network and other rails to enable low-cost, real-time settlement and developer tooling. Founded in 2022 and headquartered in Los Angeles, the privately held company holds its own European licenses, including a MiCA authorization in Estonia.