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NEXTMOVEFDE careers · United States

LLM Solutions Architect

AI summary of the role

This role designs and ships production-grade LLM and agentic systems for Xsolla's monetization products, owning the architecture from prototype to platform layer.

No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.

What you’ll do

  • Design end-to-end agentic architectures (tool-use, intent parsing, orchestration, guardrails) for long-term product team ownership.
  • Define multi-modal interface strategy (UI, API, SDK, agentic) across the product portfolio.
  • Build the horizontal LLM platform layer: RAG pipelines, prompt libraries, vector search, evaluation frameworks.
  • Prototype AI product hypotheses rapidly; acceptance by product teams is a key success signal.

What you’ll bring

  • 5+ years engineering experience with 2+ years designing/deploying LLM systems in production.
  • Proven track record with agentic systems: tool-use, function calling, multi-step reasoning, orchestration, error recovery.
  • Hands-on with major LLM APIs (OpenAI, Anthropic, Google Gemini) and at least one open-source model stack.
  • Experience building RAG pipelines with vector DBs and orchestration frameworks (LangChain, LlamaIndex, or custom).

Technologies

LLM · OpenAI · Anthropic · Google Gemini · RAG · LangChain · LlamaIndex · Python · vector databases · agentic systems · PEFT/LoRA · AutoGen

About Xsolla

Gaming-only merchant-of-record and commerce platform helping developers monetize, distribute, fund, and grow games globally across payments, web shops, ads, and partnerships.

Bootstrapped · 1000–2000 people

Source and classification

Internal deployment & tooling · Evidence for this classification:

hear from you! ABOUT US Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. Responsibilities Design end-to-end agentic architectures — tool-use schemas, intent parsing, multi-step orchestration, and
More from the job description

ABOUT YOU We are looking for an LLM Solutions Architect who is a builder at heart — someone who shapes strategy and ships real systems — to join our Monetization Products team. The best candidate will be someone who thrives in a fast-paced, highly collaborative, and exceptionally dynamic setting and is excited to drive AI product hypotheses from prototype to production-grade engineering. Strong technical architecture skills are essential, along with experience in designing and deploying LLM-powered systems in production. The ability to influence product direction, prototype rapidly, and communicate trade-offs clearly to both engineers and executives will be key to your success in this role. If you’re passionate about advancing AI technology solutions and love building intelligent, agent-first capabilities that transform how game developers monetize their products, we would love to hear from you! ABOUT US Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Ang [... source excerpt omitted ...] developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. Responsibilities Design end-to-end agentic architectures — tool-use schemas, intent parsing, multi-step orchestration, and safety guardrails — engineered for long-term ownership by product engineering teams, not solo maintenance. Define the multi-modal interface strategy across our product portfolio: how the same capability is exposed via UI, API, SDK, and agentic natural language — consistently and without duplication. Design the horizontal LLM platform layer — shared RAG pipelines, prompt libraries, vec [... source excerpt omitted ...] get prioritized, in what order, and with what trade-offs. Select and govern LLM providers and deployment strategies per use case — balancing cost, latency, accuracy, and privacy requirements. Drive alignment across Engineering, Product, and Design on what ‘agent-ready’ means for each product surface. Mentor engineers on LLM integration patterns, agent evaluation, and production deployment practices — building the team’s capability to own what you design. Qualifications & Skills Required 5+ years of engineering experience, with at least 2 years designing and deploying LLM-powered systems in production. Proven track record designing agentic systems: tool-use, function calling,

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