Technical Leader Data Engineer

Join our innovative team at inetum2 as a Technical Leader in Artificial Intelligence. In this pivotal role, you will spearhead groundbreaking AI projects, guiding a talented team of engineers and researchers to develop cutting-edge solutions. Your expertise will be crucial in driving our technology strategy and enhancing our product offerings.

Join inetum2 as a Technical Leader in Data Engineering and play a pivotal role in driving innovative data solutions. As a key member of our team, you will lead projects that harness the power of data to deliver exceptional results for our clients. Your expertise in data engineering and leadership skills will empower you to mentor junior engineers and shape the future of our data initiatives.

As a Technical Leader in Data Engineering, you will play a pivotal role in:Overseeing the comprehensive delivery of projects across multiple teams, transforming strategic objectives into actionable roadmaps with defined milestones, effective risk management, and prompt decision-making.Creating and nurturing high-performance teams through effective coaching and established standards; proactively addressing conflicts and developing successors to alleviate key-person dependency.Acting as a reliable partner to clients—facilitating results-driven workshops, ensuring stakeholder alignment, negotiating project scope changes, and maintaining a prioritized backlog focused on delivering value.Driving commercial success by crafting proposals and Statements of Work (SOWs), making accurate estimates, monitoring margin, utilization, and forecasting accuracy, while identifying compliant and value-enhancing expansions.Providing architectural guidance and governance, thoroughly documenting trade-offs, and ensuring alignment with security, compliance, cost-effectiveness, and operational viability.Leading a team of skilled Data Engineers and Developers.Conducting technical evaluations of candidates.

Location: PolandAbout Us:RTB House is a leading global technology company that specializes in cutting-edge marketing solutions for renowned brands and agencies across the globe. Our proprietary ad-buying engine, the first of its kind, utilizes Deep Learning algorithms to provide advertisers with exceptional results and to effectively meet their objectives at every stage of the marketing funnel.We invite you to join RTB House as the head of our AI Engineering Lab, a team dedicated to driving innovation through the latest advancements in Agentic AI. This position is designed for a proactive engineer and technical leader committed to architecting, developing, and deploying next-generation AI solutions that enhance engineering productivity.

NordVPN, part of Nord Security, develops VPN services and privacy tools designed to keep users secure and in control. The Threat Intelligence team combines data science, malware research, and privacy expertise to monitor and analyze new online threats as they emerge. This Senior Threat Intelligence Researcher role is based in Warsaw. The position plays a key part in shaping NordVPN’s Threat Protection features, with a direct impact on the online safety and privacy of millions of users. What you will do Serve as the lead expert on Threat Intelligence topics, guiding research into areas such as phishing and online scams. Turn research findings into actionable strategies that strengthen the Threat Protection product. Collaborate with Marketing and PR to communicate cybersecurity trends through clear, data-driven stories. Publish concise, evidence-based updates on significant threats and safety advice across social media. Contribute to educational video content, including scriptwriting and occasional on-camera work. Work alongside Data Science and Engineering teams to advance machine learning applications in Threat Intelligence. Assess and introduce new tools, data sources, and workflows to boost team performance. Mentor junior researchers and support their professional development. Team and collaboration The Threat Intelligence team values a range of skills and close cooperation. Researchers collaborate to deliver actionable intelligence and help NordVPN protect user privacy and security.

About Mistral AIAt Mistral AI, we harness the transformative capabilities of artificial intelligence to streamline processes, optimize time management, and foster creativity and learning. Our innovative technology is crafted to integrate effortlessly into everyday workflows.We are committed to democratizing AI through the development of high-performance, optimized, open-source models, products, and solutions. Our extensive AI platform caters to both enterprise and personal requirements, featuring offerings such as Le Chat, La Plateforme, Mistral Code, and Mistral Compute, all designed to deliver cutting-edge intelligence to users.Our vibrant and collaborative team is passionate about AI’s potential to revolutionize society. Comprising a diverse workforce that thrives in competitive settings, we are dedicated to fostering innovation. Our teams are distributed across France, the USA, the UK, Germany, and Singapore, embodying a spirit of creativity and teamwork.Join us in shaping the future of AI at a pioneering company. Together, we can drive significant change. Explore our culture further at https://mistral.ai/careers.Mistral AI participates in the E-Verify programYour Role• Innovate and develop groundbreaking methods to advance the capabilities of large language models.• Engage with diverse use cases (e.g., reasoning, coding, agents) and modalities (e.g., text, image, speech).• Construct tools and infrastructure to facilitate large-scale training, evaluation, and analysis of AI models.• Collaborate cross-functionally with scientists, engineers, and product teams to deploy AI systems that make a tangible impact.Your Profile• You possess strong software engineering skills in at least one programming language (e.g., Python, Rust, Go, Java).• You have hands-on experience with AI frameworks (e.g., PyTorch, JAX) or distributed systems (e.g., Ray, Kubernetes).• You demonstrate high engineering competence, capable of designing complex software and ensuring its production usability.• You are a self-motivated individual who excels both autonomously and as part of a team.Ideal Qualifications• You have practical experience in training large transformer models in a distributed environment.• You are adept at navigating the full machine learning lifecycle, from data preparation to model deployment.

Join Tietoevry as a Python Developer specializing in the banking domain, where your expertise in Machine Learning and Artificial Intelligence will drive innovation and enhance financial solutions. Collaborate with a dynamic team to develop cutting-edge applications and contribute to transformative projects within the finance sector.

Join Kpler as a Business Intelligence Data Engineer, where you will play a crucial role in transforming data into actionable insights. You will work with cutting-edge technologies to develop and maintain our data pipelines, ensuring data quality and accessibility across the organization.

Waymo is a pioneering company in autonomous driving technology, striving to become the world's most trusted driver. Originating as the Google Self-Driving Car Project in 2009, Waymo has dedicated itself to developing the Waymo Driver—The World’s Most Experienced Driver™—to enhance mobility access and save thousands of lives lost to traffic accidents. The Waymo Driver not only powers our fully autonomous ride-hail service but is also adaptable to various vehicle platforms and applications. With over ten million rider-only trips completed, our technology has driven autonomously over 100 million miles on public roads and simulated tens of billions of miles across more than 15 U.S. states.Waymo's Data Science team plays a crucial role in our efforts to create safe and reliable autonomous driving technology. We leverage data analysis and statistical expertise to evaluate and enhance the Waymo Driver's performance, focusing on reliability, driving quality, and safety. As a Business Intelligence Analyst, you will be instrumental in building the data infrastructure that supports reporting and analytics for vital areas within the Waymo Data Science team.

Join our innovative team at Capital as an AI Integration Specialist. In this pivotal role, you will be responsible for integrating advanced AI technologies into our existing systems and workflows, driving operational efficiency and enhancing our product offerings. Your expertise will help shape the future of our services, ensuring that we remain at the cutting edge of technology.We are looking for a passionate individual who thrives in a dynamic environment and is eager to collaborate with cross-functional teams to deliver impactful solutions. Your contributions will be vital in transforming our strategic vision into reality.

Join hyperexponential (hx) as an AI EngineerAt hyperexponential, we are revolutionizing the insurance industry with our cutting-edge AI-powered platform that facilitates critical decision-making within a $7 trillion sector. Our technology is instrumental in determining which risks to take and how to price them, influencing vital outcomes such as successful space launches, the market readiness of autonomous vehicles, and the recovery of communities post-disaster.Insurance has long relied on antiquated methods for making billion-dollar decisions. We are changing this narrative by integrating data, AI, and human insight, enabling insurers to streamline their processes from submission to decision. Our platform empowers them to act swiftly, make informed choices, and embrace risk with greater assurance.Supported by renowned investors like a16z, Highland Europe, and Battery Ventures, we are expanding our global footprint. Currently, we serve nearly 50 of the largest insurance companies worldwide, maintaining zero churn and facilitating billions in premiums through hx.What started as a singular offering has swiftly transitioned into a multi-product, multi-territory solution that supports all phases of pricing and underwriting. AI is at the heart of our operations, from crafting the first domain-specific AI peer programmer for insurance to creating innovative workflows that redefine industry standards.At hx, we pride ourselves on our people. Here, the impact is determined by the challenges tackled and the dedication shown, rather than titles or tenure. In a collaborative environment that encourages growth, you will engage in meaningful work that challenges you to excel.If you resonate with this mission, we invite you to join us in shaping the future of insurance.About the hxAI TeamAI is integral to our software development and decision-making processes at hx. From large-scale document intelligence to specialized AI peer programming utilized by actuaries and underwriters, hx is pioneering the application of generative AI in the insurance sector.Our AI Platform team is essential to this endeavor, designing, building, and managing the systems that enable safe, scalable AI training, deployment, evaluation, and monitoring. This includes model serving, data pipelines, observability, automation of deployments, and orchestration of computing resources.Collaborating closely with product and research teams, we transform rapid experimentation into reliable, cost-effective, and developer-friendly production systems. Our success metrics include expedited releases, enhanced model performance in real-world applications, and AI solutions that our clients can rely on for critical decision-making.

About the Role Nord Security, the company behind NordVPN, is searching for a Senior Threat Intelligence Researcher in Warsaw. This role centers on advancing the security and privacy of millions of users through products like Threat Protection Pro and the NordLynx protocol. What You'll Do Lead research efforts to identify and analyze emerging threats to Nord Security products. Work closely with a multidisciplinary team that includes Data Science, Malware Research, Development, and Privacy specialists. Contribute to the development and improvement of threat intelligence feeds, heuristics, algorithms, and machine learning models. Share actionable insights with product, engineering, and public-facing teams to strengthen threat protection capabilities. Help shape the evolution of NordVPN’s Threat Protection features by setting high standards for research quality and collaboration. The Team The Threat Intelligence group brings together experts from several disciplines. The team focuses on delivering accurate, timely information about potential threats using a mix of data-driven approaches and technical expertise. Collaboration is key, team members combine their skills to protect user privacy and security at scale. Location This position is based in Warsaw.

Join inetum2 as an AI Architect and be at the forefront of cutting-edge technology solutions. As an integral part of our team, you will design and implement advanced artificial intelligence systems that drive innovation and efficiency for our clients. This position offers a unique opportunity to work with a diverse range of projects and collaborate with top talent in the industry.

Telemedi is a pioneering medtech company that merges the expertise of developers and healthcare professionals to create advanced digital solutions for the medical field. We design and implement cutting-edge technologies that revolutionize the way healthcare services are delivered, ensuring that both patients and doctors have easy, quick, and efficient access to medical care.Your RoleAs a Business Intelligence Analyst, you will play a crucial role in analyzing complex datasets to support our telemedicine operations. You will collaborate closely with various departments, providing actionable insights, optimizing processes, and contributing to the overall growth of the company. This position requires strong analytical skills, excellent data visualization capabilities, and experience with essential BI tools and techniques.Key ResponsibilitiesData Analysis and Reporting:Analyze large and complex datasets to generate valuable insights.Develop and maintain reports, dashboards, and visualizations using Power BI, Google Sheets, and other tools.Conduct KPI analysis to monitor business performance and identify areas for improvement.Perform cohort analysis and customer profiling to understand patient behaviors and trends.Data Infrastructure and Management:Oversee data warehouse migration projects to ensure seamless transitions with minimal disruptions.Supervise the implementation of data warehouses, ensuring data integrity and security.Implement best practices in data management to maintain high data quality standards.API Integrations and Data Management:Work with API integrations to ensure smooth data flow between systems.Manage and optimize data storage solutions, including BigQuery and MySQL.Cross-Department Collaboration:Collaborate with various teams, including marketing, operations, and IT, to support their data needs.Communicate insights and recommendations to stakeholders at all levels of the organization.

Join the forefront of digital security with the world’s leading VPN provider!At Nordsec, we are seeking a passionate and innovative Staff Software Engineer to be a pivotal member of our Threat Protection Pro team. You will be instrumental in developing the NordLynx protocol and contributing to our mission of delivering the fastest VPN experience globally—empowering users to reclaim their online privacy, security, and control.Your contributions will significantly impact: Enabling millions to enhance their online security and safeguard their personal data.

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 our innovative Threat Intelligence team at Nordsec as a Senior Data Scientist. In this pivotal role, you will analyze complex data sets to enhance our cybersecurity measures and protect our clients from emerging threats. You will leverage advanced analytical techniques and machine learning algorithms to derive insights that inform strategic decisions.

Creatoriq is hiring a Senior Data Analyst for the Strategic Intelligence team in Warsaw. This position plays a key role in guiding business decisions through careful analysis and creative problem-solving. Role overview The Senior Data Analyst focuses on interpreting large and complex datasets, providing insights that influence company strategy. The work centers on transforming raw data into clear, actionable recommendations for the business. What you will do Analyze and interpret data to support strategic business decisions Develop solutions to address business challenges using data-driven approaches Present findings in a way that is clear and useful for stakeholders Requirements Strong analytical mindset Experience with data manipulation Ability to turn complex datasets into actionable insights

Join Point72 as a Platform DevOps Intern in Warsaw for the summer of 2026, where you will have the unique opportunity to engage with cutting-edge technologies and contribute to our market intelligence initiatives. In this role, you will collaborate with experienced professionals to develop and optimize our platforms, ensuring they operate efficiently and effectively. This internship is designed to give you hands-on experience in a dynamic environment, allowing you to grow your technical skills and understanding of DevOps methodologies.