Senior Machine Learning Engineer
Introduction to the role & team
At Bumble, we’re building a world where all relationships are healthy and equitable, and machine learning is central to how we make that real for millions of people every day. As part of our Machine Learning team, you’ll help shape intelligent systems that power meaningful connections, safer interactions, and more personalised experiences across our platform.
As a Senior Machine Learning Engineer, you’ll own impactful problems end-to-end—from data exploration through to production deployment, while collaborating closely with Product, Engineering, and Data partners. You’ll bring curiosity into how we experiment, iterate, and improve, and you’ll role model our values of Curiosity and Excellence by continuously raising the bar in how we build and apply AI.
AI is deeply embedded in how we evolve at Bumble. In this role, you’ll independently apply modern machine learning and emerging AI techniques, contributing to scalable systems while ensuring thoughtful, responsible use of AI in everything we ship.
What you’ll do
-
Build and deploy machine learning models that improve recommendations, ranking, and personalization, driving measurable impact on user experience and engagement
-
Own problems end-to-end, from data exploration and feature engineering through to model training, evaluation, and production deployment
-
Develop and maintain scalable ML pipelines using tools such as Spark and Airflow to support reliable, high-quality model delivery
-
Apply modern ML frameworks (e.g. PyTorch or TensorFlow) to design, train, and optimise models in production environments
-
Contribute to experimentation frameworks, including A/B testing and offline evaluation, to iterate on model performance with an agile mindset
-
Collaborate cross-functionally with Product and Engineering, working with purpose to translate product questions into ML solutions
-
Take ownership of delivering high-quality solutions and see work through from insight to impact, balancing speed and rigor
-
Apply responsible AI practices, ensuring fairness, transparency, and safety are considered in model development and deployment
About You
-
Typically requires 5–8 years of experience, though we welcome candidates with alternative backgrounds that demonstrate equivalent skills.
-
Strong experience building and deploying machine learning models in production environments
-
Proficiency in Python and experience with at least one major ML framework (e.g. PyTorch, TensorFlow)
-
Experience working with data pipelines and distributed systems (e.g. Spark, Airflow) to support ML workflows
-
Familiarity with experimentation methodologies such as A/B testing and model evaluation techniques
-
Ability to collaborate effectively across functions, demonstrating strong ownership and a collaborative mindset
-
Demonstrates an agile mindset, adapting approaches based on data and evolving priorities while maintaining focus on outcomes
-
Growing AI fluency, with the ability to independently apply ML techniques and emerging tools (including LLMs) to solve problems responsibly
Benefits & Perks
Insurance: Medical/dental/vision, 30-day eligibility. Bumble has multiple competitive offerings that will be available to you on the first of the month following date of hire.
Unlimited PTO + 1 company-wide week off + Focus Fridays every week
Fully paid life and long-term disability insurance
401k with 4% company match if you contribute 6%, 90-day eligibility
Monthly wellness benefit and access to Noom, Unmind, and Your Money Line
Maternity and Fertility benefit + 26 week paid parental leave
Premium App Access
Skills
As published by lever · 8 questions · 2 written answers
Basics
Resume/CV, Full name, Pronouns, Email, Phone, Current location, Current company, LinkedIn URL, Twitter URL, GitHub URL, Portfolio URL, Other website, What is your age range?, I identify my ethnicity asSelect all that apply, What gender do you identify as?, Do you identify as transgender?, Which of the following best describes your sexual orientation:, Do you have a long-lasting or chronic condition (physical, visual, auditory, cognitive or mental, emotional, or other) that substantially limits one or more of your major life activities (your ability to see, hear, or speak; to learn, remember, or concentrate)?, Are you a veteran or active member of the U.S. Armed Forces, Reserves or National Guard? (US Only)
Pick from a list (6)
- Our teams work together regularly from our Austin, New York, and London hubs. Are you able to commute to one of these locations on an ongoing basis?
- Are you subject to any non-compete restrictions, or other restrictions, that could prevent or delay you performing any part of the role?
- Are you currently authorised to work in the United States without the need for employer sponsorship? optional
- Will you now or in the future require visa sponsorship (e.g. H-1B, O-1, TN) to work legally in the U.S.? optional
- Do you use AI tools in your professional or personal life?
- I acknowledge that Bumble may use AI tools to support interviews and recruitment (e.g. note-taking, summaries, resume/job matching), and that participation is voluntary. I understand it is my responsibility to inform any interviewer when a meeting starts if I wish to opt out. optional
Written answers (2)
- (If applicable) Are there any restrictions associated with your current visa (e.g. employer-specific, work location, full-time vs part-time)? optional
- Describe how you use AI tools in your work today, or how you would apply AI to improve the role you’re applying for. Please include a specific example of impact or workflow improvement. Answer in 3-5 sentences.