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Senior Machine Learning Engineer, AI Platform

Smartly
Berlin, GermanyPosted yesterday
Location
Berlin, Germany

Senior Machine Learning Engineer

About the Role

We are looking for a Senior Machine Learning Engineer to join the AI Platform Team at Smartly. Our team works on helping marketers make the most of their ad creatives (images, video, text) and campaigns (product and performance data). We build and experiment with AI-based solutions across the media and creative workflows. You will have the opportunity to take ownership of and work on high impact projects.

Join us in building high impact ML-based solutions to help our customers to build better and more effective advertising experiences for their consumers. If you're a growth minded individual who has a passion for ML and the marketing space, this team is for you!

Responsibilities

As a Senior Machine Learning Engineer, you'll:

  • Build ML-based software systems that enable our users to craft great advertising experiences and campaigns
  • Work with a large span of datasets from image to video to audio to text to structured performance data
  • Contribute to and strengthen Smartly's MLOps + data platform alongside senior machine learning engineers, data scientists, and software engineers to enable productionization of AI/ML applications more robustly and efficiently
  • Be a core contributor of our team and our ways of working to build high impact products, actively involved in work planning, retrospectives, and overall team improvement
  • Impact the daily life of the staff of the hundreds of advertisers using Smartly
  • Work with stakeholders in product, engineering, and infrastructure to ensure we meet customers where they are, translating business/product needs to viable solutions
  • Apply and enhance your soft skills through working closely with colleagues and customers via knowledge shares, productive meetings, and pair programming/debugging
  • Keep up to date with the latest ML innovations, especially in areas such as generative AI, computer vision, natural language processing and explainability

Requirements

  • 5+ years of experience developing and deploying production-quality software
  • 2+ years of experience delivering software services powered by machine learning
  • 2+ years of experience working with cloud infrastructure such as AWS or GCP
  • Fluent in Python; experience with C++ or Java is a plus
  • Hands-on experience with modern ML frameworks (e.g., PyTorch, TensorFlow)
  • Knowledge of MLOps concepts and tools (e.g., MLflow, Kubeflow)
  • Experience in feature engineering, model evaluation, diagnostics, and monitoring
  • Strong foundation in linear algebra, statistics, and calculus
  • Experience building scalable data pipelines for ML-based data processing
  • Experience developing and maintaining services under SLA
  • Analytical mindset with a problem-solving approach
  • Passion for solving customer challenges quickly while making thoughtful architectural decisions
  • Adaptability and resilience when facing new or ambiguous challenges
  • Strong written and verbal communication skills in English
  • M.Sc. in a relevant field is preferred
  • Ability and willingness to work in a hybrid capacity from our office 3 days a week

What We Offer You

An Inclusive Global Culture: Join a team of over 750 Smartlies, representing more than 60 nationalities across 24 locations in 13 countries. We cultivate a culture built on trust, transparency, and open feedback, where diverse perspectives are valued and encouraged.

Global Impact: Contribute to a company making a global impact, directly influencing our customers' success and business growth.

Focus on Wellbeing: We prioritize your health with healthcare packages, mental health services, and a commitment to work-life balance through paid holidays and family leave.

Comprehensive Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and career development opportunities.

Flexible Hybrid Workplace: Experience a hybrid work model, balancing office collaboration with remote work, and the option to work abroad for up to 30 days annually.

About Smartly

Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers.

Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands to reach and engage consumers and learn what performs best.

Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it.

About Smartly

Smartly is an advertising company that provides an AI-powered advertising platform integrating creative, media, and intelligence to help brands and advertisers produce, optimize, and scale ad campaigns across social media and other channels. In May 2026 it completed its acquisition of INCRMNTAL, an AI-powered incrementality measurement platform.

Industry
Advertising technology (AI advertising / marketing software)
Head office
Helsinki, Finland
Company size
Over 750 employees (per company job posting)
Founded
2013
AI advertising platformCreative automation and productionMedia optimization across channelsSocial media advertisingCross-channel campaign managementIncrementality measurement (via INCRMNTAL)
View Smartly’s profile →

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