[Remote] Principal AI Platform Engineer

Note: The job is a remote job and is open to candidates in USA. TradeStation is an online brokerage firm focused on delivering the ultimate trading experience for active traders and institutions. They are seeking a Principal AI Platform Engineer to build and architect the AI Platform, focusing on core components like the MCP gateway and AI portal, while ensuring secure and reliable infrastructure for the engineering teams.ResponsibilitiesArchitect and hands-on build the core of the AI Platform: the MCP gateway, AI portal and skills marketplace, identity brokering layer, and agentic execution flows that the rest of engineering builds onTake a hands-on approach to code the most complex or ambiguous solutions and set the technical bar for the platformDesign secure-by-default integrations between internal systems and AI agents, with proper authentication, authorization, RBAC, and audit loggingBuild the telemetry and observability that make AI usage and spec-driven development measurable across the organizationPartner with engineering teams across the firm to turn their workflows into reusable skills, MCP servers, and agentic routinesEstablish patterns, guardrails, and golden paths so teams can adopt AI tooling quickly, safely, and within governance standardsChampion best practices in software development, testing, and deployment, and ensure the scalability, reliability, and performance of platform services in a Kubernetes and DevOps environmentContinuously evaluate emerging models, frameworks, and agent patterns and fold the useful ones into the platformSkillsBachelor's degree or equivalent work experienceMinimum 7 years of relevant software engineering experienceDemonstrated experience designing and building platform, infrastructure, or backend services used by other engineering teamsDeep, hands-on experience building and operating production backend services and developer platforms; you are a builder firstMastery of 2 or more modern general-purpose programming languages, such as Python and TypeScript. Experience with Go or C# is a plusStrong understanding of REST API design, GraphQL (building and consuming), and microservices architectureHands-on experience with cloud platforms (e.g., AWS) and container orchestration tools (e.g., Docker, Kubernetes)Experience building on or integrating with large language models and agentic systems: tool and function calling, the Model Context Protocol (MCP), retrieval, and evaluationSolid grounding in identity and access management (OAuth2 / OIDC, SSO, RBAC); experience with Keycloak, Entra ID, or Auth0 is a strong plusFamiliarity with scripting and automation (e.g., Bash, PowerShell) and with CI/CD pipelines and infrastructure as code (e.g., GitLab CI, Helm)Comfort operating in ambiguity and an enthusiastic willingness to creatively solve problems for which there is no pre-existing blueprintExcellent communication skills and the ability to influence and collaborate with engineers across diverse teamsEmbraces AI as a core part of the daily workflow and a partner in problem-solvingHands-on experience building LLM-powered or agentic applications (MCP servers, tool-calling agents, retrieval / RAG)Python and/or TypeScript / Node development experienceIdentity and access management experience (Keycloak, Entra ID, or Auth0; OAuth2 / OIDC)Cloud architecture and deployment (AWS, EKS); hands-on Docker or Kubernetes experienceExperience with observability and telemetry toolingFinancial services or brokerage domain experienceBenefitsCollaborative work environmentCompetitive SalariesYearly bonusComprehensive benefits for you and your family starting Day 1Unlimited Paid Time OffFlexible working environmentTradeStation Account employee benefits, as well as full access to trading education materialsCompany OverviewTradeStation is the home of those born to trade, where advanced trading technology intersects with institutional-grade brokerage services. It was founded in 1982, and is headquartered in Miami, Florida, USA, with a workforce of 501-1000 employees. Its website is https://www.tradestation.com/learn/market-basics/cryptocurrencies/.Company H1B SponsorshipTradeStation has a track record of offering H1B sponsorships, with 1 in 2025, 1 in 2022, 1 in 2020. Please note that this does not guarantee sponsorship for this specific role.