Machine Learning Engineer, App Ads

reddit; United Kingdom; Remote; GBP 50,000 - 80,000; Full time

Job summary

Reddit is looking for a Machine Learning Engineer to enhance their app ads team. In this remote role, you'll develop advanced deep learning models to optimize ad conversions while collaborating with diverse experts. Enjoy benefits like pension schemes, flexible vacation, and personal development funds.

Benefits

Pension Scheme

Private Medical and Dental Scheme

Life Assurance, Income Protection

Flexible Vacation & Reddit Global Days Off

Qualifications

• 5+ years of experience with industry-level deep learning models.
• 5+ years of end-to-end experience in training and deploying models.
• Experience in ads domain or recommendation systems is a plus.

Responsibilities

• Develop scalable deep learning models for app conversion tasks.
• Implement strategies for signal loss mitigation and feature engineering.
• Mentor team members and contribute to team strategy.

Skills

Deep Learning

Machine Learning

Data Engineering

Education

Bachelor's Degree in Computer Science or related field

Tools

TensorFlow

PyTorch

Job description

Social network you want to login/join with:

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Client:

reddit

Location:

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

4f8f841c4d05

Job Views:

47

Posted:

24.06.2025

Expiry Date:

08.08.2025

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Job Description:

Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With ,+ active communities and approximately M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit .

We’re evolving and continuing our mission to bring community, belonging, and empowerment to everyone in the world. Providing a delightful and relevant experience to our users applies to our Ads like all of our offerings, and we’re excited to build a product that is best-in-class for our users and advertisers. The year ahead is a busy one - join us!

The App Ads Team is entrusted with the development and maintenance of a diverse set of Machine Learning models that are responsible for predictions regarding user conversions after engaging with Reddit. The creation and enhancement of these models plays a crucial role in our organization's efforts to optimize advertising effectiveness and drive business growth. We are looking for a motivated engineer that will help us advance our vision. As a diverse group of software engineers, product managers, data scientists, and ads experts, we are excited for you to join our team!

Your Responsibilities :

• Develop advanced and scalable deep learning models using cutting-edge techniques for critical machine learning tasks within the app conversions modeling domain.
• Design and implement innovative strategies for signal loss mitigation, ensuring the accuracy and reliability of predictions in the presence of incomplete or noisy data.
• Research, implement, test, and launch new model architectures including deep neural networks with advanced pooling and feature interaction architectures.
• Systematic feature engineering works to convert all kinds of raw data in Reddit (dense & sparse, behavior & content, etc) into features with various FE technologies such as aggregation, embedding, sub models, etc.
• Be a mentor and cross-functional advocate for the team.
• Contribute meaningfully to team strategy. We give everyone a seat at the table and encourage active participation in planning for the future!

Who You Might Be:

• + years of experience with industry-level deep learning models.
• + years of experience with mainstream ML frameworks (such as Tensorflow and Pytorch).
• + years of end-to-end experience of training, evaluating, testing, and deploying industry-level models.
• + years of experience of orchestrating complicated data generation pipelines on large-scale datasets.
• Experience with ads domain and conversion modeling is a plus.
• Experience with recommendation systems is a plus.

Benefits:

• Pension Scheme
• Private Medical and Dental Scheme
• Life Assurance, Income Protection
• Workspace benefit for your home office
• Personal & Professional development funds
• Family Planning Support
• Commuter Benefits
• Flexible Vacation & Reddit Global Days Off

This role is remote within the Netherlands or the UK

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