Bumble Inc.

Lead Machine Learning Engineer

Bumble Inc.

full-time

Posted on:

Location Type: Hybrid

Location: AustinTexasUnited States

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Salary

💰 $255,000 - $280,000 per year

Job Level

About the role

  • Lead the design and delivery of end-to-end ML systems powering recommendations, ranking, and personalization, driving measurable improvements in user outcomes
  • Architect and optimise ML pipelines, integrating data processing, model training, evaluation, and deployment into scalable systems (e.g. Spark, Airflow)
  • Build and deploy advanced models using modern frameworks (e.g. PyTorch), ensuring robustness in high-scale production environments
  • Develop and apply LLM-based capabilities, including prompt design and fine-tuning approaches for production use cases
  • Drive experimentation strategy, including A/B testing and offline evaluation, to continuously improve performance and inform product decisions
  • Partner cross-functionally with Product, Engineering, and Data teams, collaborating with purpose to translate business challenges into ML solutions
  • Mentor and support other engineers, fostering a culture of Curiosity, ownership, and continuous improvement

Requirements

  • Typically requires 7–10 years of experience, though we welcome candidates with alternative backgrounds that demonstrate equivalent skills.
  • Strong expertise in machine learning, with a track record of delivering end-to-end systems in production
  • Proficiency in Python and ML frameworks (e.g. PyTorch, TensorFlow), with experience in areas such as recommendation systems, ranking, or NLP
  • Experience designing and scaling ML pipelines and data systems (e.g. Spark, Airflow, or similar technologies)
  • Hands-on experience with LLMs, including prompting, evaluation, and production integration
  • Demonstrated ability to take ownership of ambiguous problems and deliver impactful outcomes
  • Strong collaboration skills, working cross-functionally and taking ownership of shared goals
  • Solid AI fluency, with the ability to guide best practices in model development and responsible AI usage within a team.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningend-to-end systemsPythonML frameworksPyTorchTensorFlowrecommendation systemsrankingNLPLLMs
Soft Skills
collaborationownershipcuriositycontinuous improvementmentoringproblem-solvingcommunicationcross-functional teamworkstrategic thinkingadaptability