Senior Machine Learning Engineer (m/f/x)

Berlin, Deutschland Full-time

We are looking for an experienced Senior Machine Learning Engineer to join our team in Berlin. You will get the opportunity to work with very talented players in the industry and on innovative and ambitious artificial intelligence projects. We value diverse perspectives and encourage everyone to bring new ideas! 


Who we are: 

SO1 is the leading artificial intelligence company for retail.

We are building a revolutionary AI promotion platform based on machine learning and seamless retail integration. The SO1 Engine learns autonomously about individual consumers’ preferences and their willingness-to-pay, providing real-time targeting across various media channels in the form of individual promotion feeds. Working with leading retailers in Europe and North America, SO1 has proven its superior ability to serve up the right offers to consumers while at the same time maximizing financial impact for retailers and globally recognized brands.

SO1 has been backed by high-profile investors with 8-figure investments and continues to focus on building the best AI for retail.


What you’ll do:

We offer our employees unique learning opportunities and the chance to take on important projects from day one.

  • Track the state of the art in various areas of Machine Learning and Deep Learning, Operations Research and Optimization
  • Generate  ideas for models, prototype them, deploy to production and run A/B tests
  • Develop mathematical abstractions covering business needs in flexible ways
  • Communicate ideas, capabilities, and workflows to business stakeholders
  • Work both independently and in small focus teams on the full project lifecycle - from project inception to monitoring production results 


What you’ll bring along:

You are an open-minded polymath craving for transforming your ideas into real-world impact.

Must have

  • A curious, creative, analytical mindset open for ideas coming from: psychology, neuroscience, econometry, statistics, physics, machine learning and data science
  • Love for rapid, hands-on prototyping with tight feedback loops
  • Strong familiarity with fundamental statistics, probability theory, information theory, linear algebra
  • Experience in building custom ML algorithms and pipelines from scratch
  • Python, SQL coding skills

Highly desirable

  • Strong core computer science, data structures, and algorithms
  • Experience working with very large datasets and live production systems
  • Experience with gradient boosting and/or deep learning
  • Experience with either of: representation learning, semi-supervised learning, reinforcement learning, natural language processing, ranking & recommendation, metaheuristics and optimization, generative models

Bonus points for

  • Public activity in the ML scene (papers, conferences, meetups, videos, open-source projects)
  • Coding skills in any of: C++, Matlab, R, Scala
  • Background in research/fintech/adtech


Our offer to you:

We offer our employees unique learning opportunities and the chance to take on important projects from day one together with:

  • A revolutionary platform that meets a strong customer need
  • A highly energetic environment and smart colleagues who will help you accelerate your professional growth
  • Freedom to shape your role and significantly impact the company’s direction and future
  • Performance-based compensation
  • Above market salary and vacation days
  • Flexible working hours and vacation policy
  • Possible stock options after you have proven your impact
  • Lunch allowance through LunchIt app
  • A job in one of the hottest cities in the world and amenities like free drinks & snacks, team events, and a huge office with a fantastic view! 


Your new team:

We are a diverse team of engineers and business professionals. All united to achieve something great and change the price-promotion game for good. We operate in small teams, with flat hierarchies. We love cooking together in the kitchen, running,  exploring new restaurants for lunch, and having good conversations and drinks on Fridays. At SO1, we pride ourselves on our diverse workforce and inclusive community feel. As an equal opportunity employer, we welcome applications from candidates regardless of race, religion, gender identity, sexual orientation, age, disability or background.

We are very much looking forward to your application. Please send your English CV in pdf including the earliest possible entry to the SO1 team.


By submitting your resumé and application information, you authorize SO1 to transmit and store your information in the SO1 recruitment database, and to circulate that information as necessary for the purpose of evaluating your qualifications for this or other job vacancies within SO1.