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lemon.markets

Brokerage-as-a-Service investment API platform

AI & Automation Lead

AI & Machine LearningConfirmed live in the last 24 hours
Full-timeNo salary listed

About the Job

Requirements

  • You have shipped applied AI or data solutions into production and managed use cases from discovery through implementation, measurement and improvement.
  • You have driven adoption beyond Engineering, helping teams such as Finance, Operations, Compliance, Sales or Product improve how they work.
  • You have experience in a regulated or highly controlled environment and understand governance, independent scrutiny and clear lines of responsibility.
  • You are rigorous about measurement, establishing baselines, defining quality guardrails and assessing a solution’s full impact before scaling it.
  • You understand AI economics, including inference costs, model routing, evaluation and the difference between an assistant and an autonomous workflow.
  • You are technically credible and hands-on enough to work effectively with engineers, with a working understanding of retrieval, access controls, evaluation and AI security risks.
  • You take ownership and communicate clearly, challenge assumptions, stop initiatives when evidence does not support them, and build trust with senior stakeholders and control functions.
  • You are comfortable with ambiguity and change and enjoy building a new function while balancing practical delivery with long-term standards.
  • You are fluent in English.

Responsibilities

  • Establish and lead lemon.markets’ first dedicated AI function, making AI a safe, practical and measurable part of how the company works.
  • Identify, prioritise and deliver AI use cases across company departments that create measurable business value beyond Engineering.
  • Build a transparent, evidence-based portfolio of AI initiatives with business owners, baselines, success metrics and appropriate guardrails, ensuring promising ideas become sustainable improvements.
  • Enable teams across the company to use AI effectively by developing practical workflows, guidance and capabilities that reduce manual effort without creating dependency on the AI function.
  • Set standards for the governed AI platform with Engineering, including model selection, evaluation, access controls, data protection, human approval points and reliable fallback processes.
  • Partner with Risk Management, Compliance and Finance to ensure AI use cases meet regulatory expectations, remain within agreed risk and cost boundaries, and receive appropriate independent review and sign-off.
  • Establish a measurement framework connecting efficiency gains to quality, risk and customer outcomes, enabling decisions about when to scale, improve or stop an initiative.
  • Lead and grow a team of AI Engineers and Data Scientists, set priorities, and use demonstrated demand and measurable impact to guide future investment.

Desired Qualifications

  • Knowledge of German is a major advantage given the regulatory environment and parent company.

About the Company

lemon.markets

Brokerage-as-a-Service investment API platform

lemon.markets offers a Brokerage-as-a-Service platform that lets other companies add stock investing features to their products through a single API. Its API-based infrastructure handles the full investment process—opening accounts, placing and executing trades, custody, and tax reporting—and can be configured for use cases like savings plans and automated trading. It differentiates itself by being BaFin-licensed and by providing an in-house order management system that reduces integration time for partners. Its goal is to provide scalable, compliant investment infrastructure so fintechs, banks, wealth managers, and tech firms can offer investment services with minimal development effort.

Company size
51-200
Company stage
Early VC
Total funding
$29.7M
Headquarters
Berlin, Germany
Founded
2020

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