Senior Machine Learning Researcher

RTB House

Location: Poland   We Are: RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. Desired Experience: * Expertise in designing and implementing complex IT systems. * Ability to develop user-friendly, versatile tools. * Proficiency in at least one programming language, such as Python, C++, Java, or Scala, along with expertise in Linux. * Strong skills in evaluating and optimizing system performance, from initial design through to production troubleshooting. * Deep understanding of algorithms and data structures. * Initiative and creativity to improve existing solutions. * Ability to work effectively both within and across teams. * C1 level in Polish Additional Advantages: * Previous experience in the field of Machine Learning is not required, but would be an asset. * Solid foundation in mathematics. * Experience with GPU programming and Machine Learning frameworks such as Torch, PyTorch, or TensorFlow. * Proven experience with distributed systems. * Familiarity with Big Data technologies such as Hadoop, Kafka, Storm, Spark, or Flink. * Hands-on experience with Google Cloud Platform (GCP) or similar cloud providers. We Offer: * The opportunity to cooperate with a team of enthusiasts experienced in Machine Learning, Big Data, and distributed systems, who are eager to share their knowledge and skills. * Flexible cooperate hours, with the possibility of remote cooperate or cooperate from our office in Warsaw. * Access to the latest technologies, with the opportunity to apply them in a large-scale and fast-paced project. * An opportunity to apply your expertise in optimizing algorithms that support hundreds of millions of internet users and billions of ad views per month within the RTB model. * The ability to see the immediate impact of your cooperate on the company's business outcomes. * The possibility of publishing your results. * Cooperation based on B2B contract or Contract of Mandate * You can cooperate 100 % remotely or choose one of our office spaces in Warsaw or Cracow. Daily Responsibilities: * Developing and maintaining the ML training platform and the bidding infrastructure that evaluates ML models in the production environment. * Identifying performance bottlenecks and optimizing critical, low-level parts of the system. * Ensuring the reliability and scalability of implementations, and creating performance and correctness tests for new system components. * Testing and benchmarking open-source Big Data and ML technologies to assess their suitability for the production environment.   Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.

RTB House

Location: Poland   We Are: RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients.   You Will:  We're looking for a Senior Software Engineer to help us design, build, and optimize high-performance backend systems that power real-time bidding (RTB) and machine learning at internet scale. You’ll cooperate on software that handles billions of daily transactions with strict latency and reliability constraints - all in a distributed, low-latency environment.   Desired Experience:  * Expertise in designing and implementing complex IT systems. * Ability to develop user-friendly, versatile tools. * Proficiency in at least one programming language, such as Python, C++, Java, or Scala, along with expertise in Linux. * Strong skills in evaluating and optimizing system performance, from initial design through to production troubleshooting. * Deep understanding of algorithms and data structures. * Initiative and creativity to improve existing solutions. * Ability to cooperate effectively both within and across teams. * C1 level in Polish   Additional Advantages: * Previous experience in the field of Machine Learning is not required, but would be an asset. * Solid foundation in mathematics. * Experience with GPU programming and Machine Learning frameworks such as Torch, PyTorch, or TensorFlow. * Proven experience with distributed systems. * Familiarity with Big Data technologies such as Hadoop, Kafka, Storm, Spark, or Flink. * Hands-on experience with Google Cloud Platform (GCP) or similar cloud providers.   In Return, We Offer: * A highly competitive salary. * The opportunity to cooperate with a team of enthusiasts experienced in Machine Learning, Big Data, and distributed systems, who are eager to share their knowledge and skills. * You can cooperate 100 % remotely or choose one of our office spaces in Warsaw or Cracow. * Access to the latest technologies, with the opportunity to apply them in a large-scale and fast-paced project. * An opportunity to apply your expertise in optimizing algorithms that support hundreds of millions of internet users and billions of ad views per month within the RTB model. * The ability to see the immediate impact of your cooperate on the company's business outcomes. * The possibility of publishing your results. * Cooperation based on B2B contract.   Daily Responsibilities: * Developing and maintaining the ML training platform and the bidding infrastructure that evaluates ML models in the production environment. * Identifying performance bottlenecks and optimizing critical, low-level parts of the system. * Ensuring the reliability and scalability of implementations, and creating performance and correctness tests for new system components. * Testing and benchmarking open-source Big Data and ML technologies to assess their suitability for the production environment.     Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.

Databricks

P-984 Founded in late 2020 by a small group of machine learning engineers and researchers, Mosaic AI enables companies to securely fine-tune, train and deploy custom AI models on their own data, for maximum security and control. Compatible with all major cloud providers, the Mosaic AI platform provides maximum flexibility for AI development. Introduced in 2023, Mosaic AI’s pretrained transformer models have established a new standard for open source, commercially usable LLMs and have been downloaded over 3 million times. Mosaic AI is committed to the belief that a company’s AI models are just as valuable as any other core IP, and that high-quality AI models should be available to all. Now part of Databricks since July 2023, we are passionate about enabling our customers to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI platform so our customers can use deep data insights to improve their business. We leap at every opportunity to solve technical challenges, striving to empower our customers with the best data and AI capabilities. Summary:  Databricks Mosaic AI is hiring experienced machine learning platform engineers to build out our customer-facing generative AI platform for the ML development lifecycle including data generation, training, evaluation, serving, and agent-building. You will thrive in this role if you have a strong sense of end-to-end ownership and enjoy translating user requirements into product interfaces and building the backend distributed systems to power those interfaces. In this role, you will have the opportunity to contribute to all areas of our stack spanning from user-facing features to low-level GPU orchestration. You will: * Play a key role in the end-to-end design and implementation of our product which is a platform for powering use cases across training and serving of generative AI models * Work closely with both customers and internal ML researchers to identify key areas of development for our generative AI platform * Have strong end-to-end product ownership, translating product requirements into user interfaces and backend distributed system design and own end-to-end implementation * Design and build the core platform infrastructure that supports our customer-facing product features * Ensure the reliability, security, and scalability of the backend distributed systems that power all aspects of our product We look for: * 4+ years of hands-on programming experience with at least one modern language such as Python, Scala, Go, or C++ * Strong sense of distributed systems design and experience building large-scale systems * Experience building ML platform systems for applications in the ML model development lifecycle such as data preparation, model training, model evaluation, and model serving * Direct experience developing ML models is a plus but not required * Strong sense of end-to-end product ownership as well as intuition for both robust system design and product usability * Effective communication skills and the ability to articulate complex technical ideas to cross-disciplinary internal and external stakeholders. We value candidates who are curious about all parts of the company's success and are willing to learn new technologies along the way.   Pay Range Transparency Databricks is committed to fair and equitable compensation practices. The pay range(s) for this role is listed below and represents the expected salary range for non-commissionable roles or on-target earnings for commissionable roles.  Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to job-related skills, depth of experience, relevant certifications and training, and specific work location. Based on the factors above, Databricks anticipates utilizing the full width of the range. The total compensation package for this position may also include eligibility for annual performance bonus, equity, and the benefits listed above. For more information regarding which range your location is in visit our page here.   Local Pay Range $166,000—$225,000 USD About Databricks Databricks is the data and AI company. More than 10,000 organizations worldwide — including Comcast, Condé Nast, Grammarly, and over 50% of the Fortune 500 — rely on the Databricks Data Intelligence Platform to unify and democratize data, analytics and AI. Databricks is headquartered in San Francisco, with offices around the globe and was founded by the original creators of Lakehouse, Apache Spark™, Delta Lake and MLflow. To learn more, follow Databricks on Twitter, LinkedIn and Facebook. Benefits At Databricks, we strive to provide comprehensive benefits and perks that meet the needs of all of our employees. For specific details on the benefits offered in your region click here. Our Commitment to Diversity and Inclusion At Databricks, we are committed to fostering a diverse and inclusive culture where everyone can excel. We take great care to ensure that our hiring practices are inclusive and meet equal employment opportunity standards. Individuals looking for employment at Databricks are considered without regard to age, color, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other protected characteristics. Compliance If access to export-controlled technology or source code is required for performance of job duties, it is within Employer's discretion whether to apply for a U.S. government license for such positions, and Employer may decline to proceed with an applicant on this basis alone.