About this role
Architect and lead the agent-readable Shop Builder platform at Xsolla, defining APIs, SDKs, MCP servers, and CLI tooling that enable developers and AI agents to build and operate game storefronts. This is the most senior IC role on a new DevX and AI team, with org-wide influence over how the platform exposes its capabilities.
Must have
10+ years of professional engineering experience with Staff or Principal engineer track record shaping platforms, APIs, or developer tooling
Deep expertise in designing and shipping public APIs and SDKs including versioning strategy and backwards compatibility
Expert-level proficiency in JavaScript/TypeScript and React
Hands-on experience building CLI tooling and local developer workflows
Solid understanding of Model Context Protocol or equivalent agentic tool-use interfaces
Experience building systems at global scale on cloud infrastructure with containerization, CI/CD, and infrastructure-as-code
Ability to write LLM-friendly documentation and API surfaces with focus on token-efficiency and schema clarity
Exceptional technical communication skills for RFCs, ADRs, and architecture reviews
Technologies
Responsibilities
Own technical architecture of agent-readable Shop Builder platform including APIs, surfaces, and formats
Define interface contracts for LLMs and developers including React component APIs and custom block schemas
Design and lead delivery of MCP server for AI agents to build and operate storefronts end-to-end
Architect CLI and local development environment for scaffolding, iteration, preview, and deployment
Define deploy, versioning, and rollback model for developer-published content
Design sandbox and preview environment system for safe agent and developer iteration
Set documentation standard for LLMs and humans as first-class users across all surfaces
Lead eval harness architecture to measure correctness of LLM-generated outputs before shipping
Collaborate with Principal/Staff Engineers across domains to build coherent developer-facing surfaces
Serve as technical bar-raiser defining code standards and mentoring Tech Lead and engineers
Contribute to hiring and define technical culture of the team from day one
Benefits
Recruitment process
This is the most senior individual contributor role on the DevX and AI team
Decisions made will bind the platform for years
Influence is org-wide though this is not a management role
Team is net-new with seven members filling a dedicated developer surface ownership gap
Xsolla is a global payments and commerce platform for the games industry
Shop Builder is Xsolla's storefront platform for game shops and headless storefronts
Background check including criminal history, employment verification, and education verification required
Fair Chance Act applies to applicants with criminal histories
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