Fullstack Engineer

Stack

Responsibilities

• ▹Own end-to-end features on Prevail, the operational planning platform, from scoping and interaction choices through backend implementation and production
• ▹Spend significant time on the front end, building clear, reliable workflows for users working with complex information under pressure
• ▹Solve real geospatial problems: move data between backend and frontend through tile servers and use PostGIS for demanding spatial queries
• ▹Build and harden ML and LLM workflow orchestration, including retries, queueing and long-running jobs with LangGraph and LangChain
• ▹Design for on-prem and appliance deployment, where hardware, connectivity and resource constraints matter as much as cloud scalability
• ▹Work closely with product, design and forward-deployed teams to turn user signal into features that work across clients

Requirements

• ▹Strong full-stack production experience, with genuine comfort owning both interfaces and backend systems
• ▹Solid TypeScript and React, plus Python experience or the ability to become productive quickly with FastAPI
• ▹A track record of taking features from an ambiguous problem through release and iteration
• ▹Product judgement and attention to detail, especially in workflows used directly by customers
• ▹Comfort deciding what to build now, what to make durable and what to leave out
• ▹EU or UK citizenship (contractual requirement tied to defence contracts)

Nice to have

• ▹Experience with PostGIS, GIS, mapping or other geospatial systems
• ▹Experience with LangGraph, LangChain or multi-step ML and LLM workflows
• ▹Experience deploying software on-prem, offline or as an appliance
• ▹Experience with front-end performance and data-dense interfaces
• ▹Prior work in defence, government or dual-use technology

Soft skills

What we offer

• ▹Top 0.1% European compensation package, including base salary and equity
• ▹Paris or London based
• ▹End-to-end ownership of a product used in real operational environments
• ▹No regular client-site deployment rotation; occasional user conversations and demos

About the company

Comand AI's mission is to build next-generation C2 (command and control) software with real users in real deployments in the field. The product supports live defence operations.