Data Scientist at evolution | Warsaw

Join our dynamic team at evolution as a Data Scientist. In this pivotal role, you will harness the power of data to drive strategic decision-making and enhance our product offerings. Collaborate with cross-functional teams to analyze complex datasets, identify trends, and develop predictive models that will help shape the future of our business.

Join the forefront of online security with the world's leading VPN provider.If you are an inquisitive problem-solver eager to innovate, become a part of the team spearheading Threat Protection Pro, the NordLynx protocol, and the fastest VPN available—empowering users with enhanced privacy, security, and control over their data.Your contribution? Enabling millions to reclaim their online security, privacy, and data.Our Threat Intelligence team is committed to delivering precise and timely insights regarding potential threats to our products. Our diverse team of experts spans various disciplines, including Data Science, Malware Research, Development, and Privacy, all working towards a unified objective through the application of data feeds, heuristics, algorithms, and machine learning.Key ResponsibilitiesDesign and implement solutions to complex problems while conducting research, debugging, and data analysis across various sources;Create scalable, reliable code and document your contributions and explorations;Research, develop, and deploy data science solutions to production;Develop custom machine learning metrics to monitor model performance;Analyze validation/testing outcomes, provide explanations, and refine model designs accordingly;Collaborate with team members to plan deliverables;Perform code reviews to ensure quality;Maintain open communication regarding project progress;Mentor colleagues and share knowledge within the team;Propose enhancements to existing solutions.Core QualificationsDemonstrated experience in data science and/or mathematical modeling;Strong understanding of statistical methods (e.g., Monte Carlo, hypothesis testing, bootstrap, Bayesian inference);Extensive knowledge and practical experience with machine learning algorithms: linear regression, random forest, gradient boosted trees, neural networks, k-means, etc.;Proficiency in Python and hands-on experience with the PyData stack (e.g., Pandas, NumPy, etc.);

Join Box, Inc. as a Learning and Development Manager for the EMEA region on a fixed-term contract. In this exciting role, you will spearhead the development and execution of our learning strategies, focusing on enhancing employee skills and driving organizational growth. Collaborate with cross-functional teams to tailor training programs that meet the unique needs of our diverse workforce.

Samba TV is a leading innovator in the streaming and broadcast video landscape, leveraging our proprietary data and advanced technology. Our mission is to revolutionize the viewing experience worldwide. By harnessing our extensive data, media companies can effectively connect with audiences for new shows and movies, while advertisers can engage viewers and accurately measure reach across diverse devices. Our unique narrative and insights, driven by global data and AI, offer an unparalleled perspective on culture.As a mid-level Data Scientist on the Knowledge Graph & Identity team at Samba TV in Warsaw, you will take ownership of significant data science projects, delivering solutions with minimal oversight. You are a dependable and autonomous contributor, possessing deep expertise in one of Samba's core areas—knowledge graphs, identity spine, measurement, or audience modeling—and the technical skills necessary to develop production-ready solutions utilizing modern machine learning and AI techniques. Collaborating closely with peers, product teams, and engineering, you will also play a vital role in mentoring junior data scientists within the team.

At Samba TV, we are revolutionizing the way audiences experience streaming and broadcast video worldwide through our cutting-edge data and technology. Our mission is to enhance the viewing experience by empowering media companies to connect with their audiences effectively, while enabling advertisers to engage viewers and accurately measure their reach across multiple devices. With a unique global perspective rooted in our extensive data and AI-driven insights, we have an incredible story to tell.As a Data Scientist on our Knowledge Graph & Identity team in Warsaw, you will take ownership of delivering impactful data science projects from inception to completion with minimal supervision. We are seeking a dependable, self-sufficient contributor who possesses deep expertise in one of Samba's key areas—knowledge graphs, identity spine, measurement, or audience modeling. You will have the technical prowess to create production-ready solutions leveraging modern machine learning (ML) and artificial intelligence (AI) methodologies. Your role will involve close collaboration with your peers, product teams, and engineering, as well as mentoring junior data scientists within the team.

Join our innovative team as an AI Trainer - Copilot for Finance. In this remote role, you will be responsible for enhancing AI models that assist in financial decision-making. Your expertise will help refine and train AI systems to better serve our users, ensuring they receive the most accurate and relevant financial insights.

QED (https://qed.ai) is an innovative tech firm dedicated to enhancing public health and ensuring food security in Sub-Saharan Africa. Our mission involves developing cutting-edge digital infrastructure and artificial intelligence solutions that bridge the gap between humanitarian aid and scientific research. This includes in-situ nutrient analysis of crops, soils, and foods, along with national-scale surveillance of diseases such as HIV and malaria across multiple African nations. Our organization is proudly supported by various philanthropic and governmental entities, including the Gates Foundation, the Polish Ministry of Agriculture, and the Global Fund.We are excited to invite a talented Data Scientist to our Warsaw team, focusing on ScanSpectrum (https://scanspectrum.qed.ai), a revolutionary low-cost handheld spectrophotometry kit designed to evaluate the quality parameters of food and agricultural products.

Location: Poland About Us: RTB House is an innovative global firm specializing in cutting-edge marketing technologies for leading brands and agencies worldwide. Our proprietary ad-buying engine is the first globally to harness the full potential of Deep Learning algorithms, empowering advertisers to achieve remarkable results at every stage of the customer journey. The Bidding Platform Team plays a pivotal role in our company's success. We collaborate to develop system modules and components that proficiently manage over 24 million queries per second, maintaining an impressive low latency of 50 ms. Your Responsibilities: Architect and develop a diverse range of modules and components within a system that efficiently handles over 24 million queries per second with minimal latency. Optimize developed software focusing on response time and resource utilization. Guarantee the reliability and scalability of implemented solutions. Design performance and correctness tests for new system components. Evaluate new technologies for potential application in production environments. Construct tools for monitoring and analyzing production system operations. Continuously enhance existing tools and processes for improved efficiency.

At Samba TV, we are redefining the way viewers engage with content. Our innovative technology and robust data analytics empower media companies to connect with their audiences effectively, and advertisers to track and measure viewer interactions seamlessly across multiple devices. By harnessing a wealth of insights driven by AI and a global dataset, we aim to transform the viewing experience for everyone.As a Mid-Level Data Scientist joining our Knowledge Graph & Identity team in Warsaw, you will take charge of the complete execution of critical data science initiatives with minimal supervision. Your expertise in one of Samba's core areas—be it knowledge graphs, identity management, audience measurement, or modeling—will be crucial. You will utilize modern machine learning and AI techniques to develop production-ready solutions. Collaboration with peers, product managers, and engineering teams will be key, alongside mentoring junior data scientists to foster growth within the team.

Location: Poland About Us:RTB House is a pioneering global technology company specializing in innovative marketing solutions for leading brands and advertising agencies around the globe. Our proprietary ad-buying engine stands out as the first in the world to utilize Deep Learning algorithms entirely, empowering advertisers to achieve exceptional results and meet their objectives throughout every stage of the marketing funnel. Your Role:As a Senior Technical Researcher/Engineer on our AdTech Technical Research Team, you will be instrumental in investigating and mastering the latest advancements in the advertising technology landscape. Your responsibilities will include conducting comprehensive research, testing novel technologies, and collaborating across various teams to determine their viability for integration into our systems. This position requires a unique combination of programming, research, and analytical skills to assess the effectiveness and practicality of diverse ad tech solutions. Qualifications: Minimum of 5 years of experience in a research or engineering role. Technical Proficiency: Strong programming skills with the ability to comprehend large-scale and intricate systems and architectures. Curiosity and Willingness to Learn: Eagerness to embrace new challenges and technologies while continuously enhancing knowledge in the ad tech sector. Independence & Proactiveness: Capability to take initiative and make informed decisions with minimal oversight while upholding high standards. Goal-Oriented Mindset: Focused on achieving specific project objectives and adaptable in a fast-paced environment. Collaborative Communication: Proficient in effectively sharing knowledge and working alongside team members and external partners (e.g., major browser vendors, W3C, GitHub). Prototyping Skills: Ability to develop Proof of Concepts (PoCs) and experimental solutions to evaluate their effectiveness. Technologies & Projects You May Work With: Python, Java, Scala, TypeScript/JavaScript PyTorch, NumPy, Pandas Jupyter Notebooks BigQuery, GCP Browser Engines

Join Talan as an AI Data Scientist and be at the forefront of innovation in artificial intelligence and data analysis. In this role, you will leverage your expertise to analyze complex datasets, develop predictive models, and contribute to cutting-edge AI projects that drive business solutions. Collaborate with cross-functional teams to transform data into actionable insights that enhance decision-making processes.

Join Altersolutions as a Senior Electrical Engineer and contribute your expertise to innovative projects that drive technological advancement. You will play a pivotal role in designing, developing, and optimizing electrical systems, ensuring compliance with industry standards, and collaborating with cross-functional teams to deliver top-notch solutions.

We are seeking a detail-oriented and innovative Manufacturing Engineer to join our dynamic team in Warsaw. In this role, you will be responsible for designing, implementing, and improving manufacturing processes to enhance efficiency and quality.Your expertise will play a crucial role in developing production plans, troubleshooting issues, and ensuring compliance with safety and environmental regulations.

Join our dynamic team at Altersolutions as a Senior Mechanical Engineer. In this role, you will leverage your extensive expertise to design and develop innovative mechanical systems and components. You will work closely with cross-functional teams to ensure that solutions meet project specifications and client requirements. Your contributions will help drive our mission of delivering exceptional engineering solutions.

At Samba TV, we are at the forefront of transforming the global viewing landscape through our innovative data and technology. Our mission is to enhance the viewing experience for audiences worldwide. With our unique data capabilities, we empower media companies to connect with viewers for their latest shows and movies, while providing advertisers with tools to engage audiences and evaluate their reach across various devices. Our rich narrative is shaped by a diverse array of cultural insights derived from our extensive global data reach and AI-driven analytics.We are looking for a talented Data Engineer to join our data platform team. This team is essential in developing and maintaining the robust data platform that serves our entire organization, facilitating everything from data ingestion to advanced analytics and reporting. You will work with valuable viewership data and contextual datasets, as well as scalable applications that support data-driven decision-making. Our hybrid work model allows you to collaborate primarily using AWS, Databricks, BigQuery, and Snowflake technologies. The successful candidate will possess significant expertise in cloud-based data engineering, distributed data processing, and data governance, ensuring our analytics, reporting, and machine learning initiatives are well-supported.

Join Altersolutions as an Engineering Manager where you will lead innovative engineering projects and drive technical excellence within our dynamic team. In this pivotal role, you will oversee engineering processes, mentor engineers, and collaborate with cross-functional teams to ensure the successful delivery of high-quality software solutions.

Join our dynamic team at inetum2 as a Data Engineer, where you will play a pivotal role in designing, building, and optimizing our data infrastructure. We are seeking a forward-thinking individual with a passion for data and technology.

Join CD Projekt Red as the Director of Engineering and lead a talented team of engineers in delivering groundbreaking gaming experiences. In this pivotal role, you will be responsible for overseeing engineering projects from conception to completion, ensuring quality and performance standards are met while fostering innovation and creativity within the team.As a key member of our leadership team, you will collaborate across departments to drive strategic initiatives and improve engineering processes, contributing to our mission of creating immersive worlds that captivate players.

QED AI is an innovative technology firm dedicated to enhancing public health and food security in Sub-Saharan Africa. By developing cutting-edge digital infrastructure and leveraging AI, we operate at the critical intersection of humanitarian aid and scientific research. Our initiatives include monitoring diseases such as HIV, malaria, and tuberculosis, as well as conducting nutrient analyses for crops and soils across various African nations. Our funding sources include prestigious philanthropic and governmental organizations such as the Global Fund, Gates Foundation, and the CDC.We are seeking a mid/senior Data Platform Engineer (Backend) to join our dynamic team in Warsaw. Ideal candidates will possess the following:Proven experience in designing and maintaining data pipelines utilizing ETL and/or ELT methodologies, with a critical eye on trade-offs rather than adhering to a single pattern.Solid understanding of data pipeline reliability, including concepts of idempotency, backfills, and the management of late or corrected data.Ability to structure data systems into distinct layers (e.g., raw, cleaned, curated) and articulate their varying functions and guarantees.Experience with making informed decisions between batch, micro-batch, and streaming methods based on latency, accuracy, and operational complexity.Strong foundation in software engineering principles, version control, writing clean code and tests, robust design, and a grasp of basic data structures and algorithms.Ability to conceptualize logical software architectures and communicate clearly, both verbally and in writing.Eagerness to engage with a diverse range of problems and technologies.Willingness to participate in regular design sessions, code reviews, and collaborate effectively within teams.Experience with UNIX-based or OSX-Darwin development environments.Working proficiency (≥C1) in English, both spoken and written (minimum typing speed of 45 words per minute).Interest in collaborating with individuals from different cultural backgrounds.Demonstrated emotional resilience and social intelligence.A genuine passion for your work and a generally optimistic outlook, while recognizing the value of constructive skepticism.Additional skills that are advantageous but not mandatory include:Understanding of analytical data modeling concepts, including hierarchical and dimensional modeling.

Capital, a global trading platform headquartered in Warsaw, focuses on technology-driven solutions and a user-centered experience. As the company expands, it seeks professionals who can help reinforce its technical foundation. Role overview The Network Security Engineer takes on a central role in safeguarding Capital’s infrastructure and network. This position involves building, maintaining, and improving security systems that support the safety and reliability of the platform for users around the world. Main responsibilities Develop and maintain monitoring systems for network and infrastructure Automate security processes to boost operational efficiency Support ongoing improvements to the company’s security framework What Capital offers Work with recognized products and advanced technology Join a globally respected team Opportunities to make a meaningful impact on security operations