Senior Data Engineer at Box | Warsaw

About BoxBox (NYSE: BOX) is a pioneering leader in Intelligent Content Management, enabling organizations to enhance collaboration, manage content lifecycles, secure vital information, and revolutionize business workflows using enterprise AI. Since our establishment in 2005, we have simplified work for prominent global organizations such as JLL, Morgan Stanl…

About FreshaFresha stands as the premier marketplace platform for beauty and wellness, embraced by millions of consumers and businesses around the globe. With over 130,000 businesses and 450,000 stylists leveraging our services, we have successfully processed more than one billion appointments to date.Headquartered in London, UK, Fresha operates 15 global offices spanning North America, EMEA, and APAC.Our platform empowers consumers to discover, book, and pay for beauty and wellness appointments with local providers. Simultaneously, businesses and professionals in the beauty and wellness sector utilize our all-in-one platform to streamline their operations through an intuitive software suite and innovative financial technology solutions.Fresha’s ecosystem equips merchants with everything necessary for seamless business operations, including appointment scheduling, point-of-sale systems, customer record management, marketing automation, loyalty programs, inventory management, and team oversight.Our consumer marketplace amplifies revenue opportunities for partner businesses by harnessing the power of online booking and automated marketing via mobile applications and advanced integrations with major technology platforms such as Instagram, Facebook, and Google.Role OverviewAt Fresha, we view AI as a catalyst for enhancing feature delivery rather than merely a coding assistant. We equip every engineer with state-of-the-art tools (Claude, GitHub Copilot, Cursor) to minimize technical toil, allowing you to concentrate on delivering impactful product features. We value engineers adept at utilizing these tools to generate momentum within our six-week cycles, expediting the transition from concept to code while ensuring robust technical judgment to verify, secure, and take ownership of the final user experience.In light of our ambitious growth trajectory, we are seeking an exceptional Senior Frontend Engineer to join our global team.You will report directly to the Team Lead and collaborate within a cross-functional product team, taking responsibility for designing and developing applications while coordinating with other team members working on different aspects of our projects.

Join our dynamic IT Operations team as a Microsoft SQL Server Database Administrator, where your primary responsibility will be to ensure the security, reliability, and high performance of our SQL Server environment. In collaboration with your colleagues, you will execute standardized tasks including granting database permissions and creating new databases.Your key responsibilities will include:Resolving tickets logged in our IT Service Management (ITSM) systemImplementing change requests related to service requestsAdhering to established guidelines and best practices within your area of expertiseContributing to the automation processes for SQL Server within the organizationCreating and maintaining necessary documentation

Position: Senior Marketing Automation ManagerLocation: Warsaw (candidates must be located in Poland)Employment Type: Full-time, Employment Contract only (no B2B)Working Hours: USA time zone only (3:00 PM – 11:00 PM)Work Mode: Home office possible; office presence required once per quarterSalary Range: 222,000 PLN – 264,000 PLN gross per yearMicroStrategy is on the lookout for a highly skilled Senior Marketing Automation Manager to enhance our global digital marketing and demand generation initiatives. In this role, you will manage and optimize email marketing campaigns through Marketo, as well as oversee the integration and customization of our existing marketing technology stack, including Marketo, Salesforce, Zoom, and other proprietary platforms.Your responsibilities will include collaborating with our Information Systems and CRM teams to understand requirements and deliver scalable solutions, along with thorough documentation and training for end-users. We are seeking a proactive leader who excels in project management and enjoys working with diverse stakeholders to create and execute comprehensive email marketing strategies.

Join WPP Media as a Senior Paid Social Media Specialist, where you'll harness your expertise to drive impactful social media campaigns across a global platform. Collaborating with diverse teams in the U.S., Europe, and Asia, you will play a crucial role in launching and optimizing campaigns on platforms such as Meta, TikTok, Snapchat, and Pinterest. Your responsibilities will include ensuring compliance with WPP Media’s guidelines, monitoring campaign performance, and producing insightful reports that guide our regional Media Activation teams. As a leader, you will also mentor junior team members, fostering a culture of growth and excellence.

Lead and execute software engineering initiatives to facilitate end-to-end machine learning operations, emphasizing the scaling of workflows for extensive datasets and distributed systems.Architect, develop, and sustain MLOps infrastructures, including microservices, queuing systems, APIs, and orchestration workflows utilizing Python, Kubernetes, Kafka, and advanced database technologies.Deploy observability tools such as Prometheus and Grafana to guarantee the reliability, performance, and visibility of machine learning systems in a production environment.Work collaboratively with data scientists and machine learning engineers to optimize workflows for large language models, generative AI, and intelligent agent development and deployment.Evaluate architecture and implementation strategies to ensure alignment with organizational objectives, scalability, and adherence to best practices.Guide and mentor junior and mid-level engineers, promoting a culture of collaboration, innovation, and operational excellence.

Project OverviewJoin our newly established team focused on OpenStack technologies as a pivotal member. Collaborate with an OpenStack Architect and a Principal Engineer to create and maintain robust private cloud platforms for our international clientele. This is an exceptional chance to influence the operational standards of a new unit, working with large-scale production environments while ensuring their stability, scalability, and security. Your ContributionDeploy, develop, and maintain OpenStack production environments.Execute platform upgrades and manage lifecycle operations using industry-standard methodologies.Automate infrastructure provisioning and configuration with Infrastructure as Code (IaC) tools.Troubleshoot complex issues across the OS and cloud platform layers.Design and maintain monitoring solutions to ensure system observability.Utilize scripting and coding to automate routine tasks and enhance system efficiency.Collaborate with the team to implement best practices for the new OpenStack division. 

We are currently seeking a Senior Technical Department Employee to join our dynamic team at the Radisson Blu Sobieski Hotel in Warsaw!Our Technical Department is dedicated to ensuring that everything operates smoothly, delivering experiences that exceed expectations and creating unforgettable moments for our guests. This role encompasses much more than just changing light bulbs! Your main responsibilities will include:Executing minor renovation and maintenance tasks (e.g., ongoing maintenance and minor repairs within the building, troubleshooting plumbing issues)Diagnosing faultsConducting periodic technical assessments of the building's conditionRectifying identified irregularitiesPreparing reportsCollaborating with other departments

Join CD Projekt Red as a Senior Shared Technology Quality Assurance Analyst and play a crucial role in ensuring the quality and efficiency of our innovative projects. You will work closely with cross-functional teams to design, implement, and execute test plans while contributing to the development of cutting-edge gaming technologies.

We are seeking a visionary Chief Technology Officer (CTO) to lead our technology strategy and development at Altersolutions. In this pivotal role, you will drive innovation, ensure the successful execution of technology initiatives, and align our technology goals with business objectives. You will be responsible for overseeing the technology team, managing budgets, and fostering a culture of excellence.

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.

CoreWeave is the essential cloud for AI™, designed and built by pioneers in the industry. Our platform provides cutting-edge technology, tools, and a dedicated team that empowers innovators to confidently build and scale AI solutions. With a reputation trusted by leading AI labs, startups, and global enterprises, we combine exceptional infrastructure performance with profound technical expertise to accelerate breakthroughs, transforming compute capabilities into tangible outcomes. Founded in 2017, CoreWeave became a publicly traded entity on Nasdaq (CRWV) in March 2025. Discover more at www.coreweave.com. We are proud to be recognized as a Living Wage accredited employer.About the RoleWe are looking for a Senior DPU Datapath Engineer to spearhead validation, automation, and operations for our NVIDIA DPU-based dataplane in a production environment. As a key member of the Network Services / DPU team, you will take ownership of the test and automation strategy for our OVS-based datapath and its associated control-plane components, ensuring rigorous validation of NVIDIA software releases for regression, functionality, and scalability within CoreWeave’s production ecosystem.Your collaboration with DPU, networking, and platform engineering teams will be crucial in defining requirements, developing automation, and establishing a dependable, repeatable validation service that safeguards our customers and our cloud infrastructure.Key ResponsibilitiesLead a local team in executing the DPU test strategy.Own the validation strategy for the DPU datapath, encompassing regression, new feature, and scale/performance testing for NVIDIA software releases and DPU images.Design and implement automation to optimize our production-like dataplane:Orchestrate DPU/host configurations, OVS pipelines, and traffic patterns.Automate test execution, result collection, and reporting.Integrate with CI/CD processes to gate releases entering production.Develop a deep understanding of NVIDIA DPU behavior in our environment:NVIDIA DPU software (e.g., DOCA/HBN stacks and related components).OVS/OVS...

Join MicroStrategy as a Senior Customer Success Manager, where you will play a pivotal role in ensuring our customers achieve their desired outcomes through our innovative analytics platform. In this position, you will leverage your expertise in customer relationship management and your fluency in German to foster strong client partnerships and drive adoption of our solutions.

At CreatorIQ, we are the driving force behind creator-led growth, serving over 1,300 esteemed brands and agencies worldwide. Our mission is to infuse humanity into businesses while amplifying individual impact. Our core values guide us: be intentional, pursue excellence daily, embrace the journey collectively, and exemplify kindness. Recognized as one of the best companies to work for by BuiltIn LA and NY, CreatorIQ has also been featured as a Fastest-Growing Company in North America on the Deloitte Technology Fast 500™ for four consecutive years. In 2025, we were named a leader in IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises, and recognized by The Forrester New Wave™: Influencer Marketing Solutions. Our innovative culture has earned us top ratings on G2 and a 5-star rating on Influencer MarketingHub. We believe in a flexible work model that balances in-person collaboration with remote adaptability, fostering an environment where innovation thrives.Join us in our quest to revolutionize the industry with your passion and creativity!Senior MLOps Engineer (Applied AI Focus)As a Senior MLOps Engineer within our Product Innovations team, you will act as the technical authority for Applied MLOps, seamlessly integrating experimental data science with production-grade efficiency. Your primary focus will be on ground truth generation, model evaluation, and the intricacies of pre/post-processing within a scaled vector embeddings ecosystem.In this role, you will have the opportunity to:Design Annotation & Measurement Pipelines: Lead the creation and execution of human-in-the-loop and auto-annotation workflows. You will establish systems (e.g., Label Studio) to ensure high confidence metrics and rigorous Inter-Annotator Agreement (IAA).Enhance Cost-Efficiency through Evaluation: Develop ground truth datasets, golden sets, and by-model evaluation criteria to benchmark models, enabling informed data science decisions. Your contributions will directly influence margin by ensuring the right model is deployed for the appropriate task.Uphold Applied MLOps Standards: Implement

Join Saily, where we revolutionize connectivity for travelers. Say goodbye to roaming fees and plastic SIM cards. We offer lightning-fast, secure mobile data in over 200 destinations worldwide. With millions of paying customers and countless travelers using Saily at any moment, our mission is to enhance the travel experience.At Saily, we cultivate an AI-native Product Engineering culture that emphasizes:Engineers as builders responsible for end-to-end solutions, from concept to production.AI agents that empower engineers by automating repetitive tasks, allowing them to focus on impactful work.A collaborative environment where everyone is encouraged to suggest and implement improvements.A culture of curiosity, continuous learning, and knowledge sharing.Prioritizing customer satisfaction and ensuring a seamless journey for our users.We believe in prioritizing growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower talented individuals with the context, autonomy, and AI tools necessary to excel in their roles.Key Responsibilities:Design and implement robust test automation frameworks across multiple platforms, developing automated tests for complex functional integration, regression, and performance evaluations to ensure compliance with acceptance criteria.Contribute to the formulation and execution of testing strategies.Engage in the development of comprehensive test plans and test cases.Identify and document software defects, collaborating with the development team to resolve issues.Conduct hands-on exploratory and manual testing to identify edge cases and usability concerns that automated tests might overlook.Validate intricate user flows end-to-end across mobile and other platforms prior to major releases.AI Integration & Advocacy:Proactively explore and incorporate AI-driven tools into QA workflows to enhance test creation, broaden coverage, and minimize cycle times.Promote the adoption of AI-assisted testing methodologies throughout the engineering organization.Experiment with large language models (LLMs) and AI assistants to generate test data, develop test cases from requirements, and manage flaky tests.

At Saily, we are on a mission to simplify secure data access for travelers globally.Forget about roaming fees and cumbersome SIM cards. Experience fast, secure mobile data in over 200 countries with the team behind Lonely Planet's leading eSIM—engineered for adventurers and powered by NordVPN.Your role? Enabling seamless connectivity for individuals on the go.Key ResponsibilitiesIndependently plan and forecast PPC initiatives within your domain.Ensure exceptional quality in campaign setups and all utilized materials.Conduct regular data quality checks across tracking points and promptly address any discrepancies with relevant teams.Oversee multi-team projects by crafting and managing PPC campaign strategies.Prioritize tasks proactively, aligning deadlines and deliverables with business objectives while mentoring junior staff.Monitor daily performance through various platforms including Google Analytics and Looker across all team activities.Deliver insightful reports on key metrics regularly and on demand, tailoring analysis to stakeholder needs.Stay updated on PPC and marketing trends, and share actionable insights with the team.

Join Saily, where we revolutionize connectivity for travelers by eliminating roaming fees and plastic SIM cards, offering seamless, high-speed mobile data in over 200 destinations. With millions of satisfied customers and countless travelers engaging with Saily at any moment, our mission is clear.We cultivate an AI-native Product Engineering culture that empowers our engineers to be builders, taking ownership of customer challenges from concept to deployment. AI agents assist in coding and automating repetitive tasks, enhancing engineers' productivity. We believe in constant improvement, where every team member is encouraged to propose enhancements and implement innovative solutions.Curiosity and knowledge sharing are vital to us, ensuring that our primary focus remains on delivering a comfortable, connected, and hassle-free experience for our customers.At Saily, we prioritize growth over comfort, contributions over hierarchy, and impact over process. We empower talented individuals with the context, autonomy, and AI tools necessary to excel in their roles.

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 dynamic team at fusionconsulting as a Senior SAP Project Training Coordinator. In this pivotal role, you will leverage your expertise in SAP and proficiency in German to design and deliver comprehensive training programs for our clients. Collaborate closely with project stakeholders to ensure effective knowledge transfer and skill development, facilitating seamless transitions during system implementations.Your contributions will directly impact user adoption and the success of SAP projects, making your role crucial to our clients’ success.

About margo-group margo-group is a global company focused on commerce media. The team builds technology that connects shoppers and brands across the open internet, using commerce intelligence and AI-driven decision-making. The company values different perspectives, encourages ongoing innovation, and works to create an inclusive workplace where everyone can help shape the future of digital commerce.