Senior User Experience Researcher

CD Projekt Red is seeking a Senior User Experience Researcher in Warsaw. This position centers on improving the quality of gaming experiences by gathering insights that inform design decisions. The team values both creativity and collaboration, aiming to deliver engaging stories and immersive environments to players. Role overview The Senior User Experience …

Become a pivotal part of our talented Web Design team, where you will contribute to redefining the online presence of a leading global cybersecurity provider.We are seeking a skilled designer eager to enhance our web presence, driving user engagement and satisfaction. Your primary focus will be on creating visually appealing and user-friendly websites. You will work closely with our Marketing team on diverse projects, from global campaigns to new business initiatives. As a designer, you will also collaborate with copywriters, web content managers, design system specialists, graphic designers, and engineers to deliver exceptional websites that captivate audiences worldwide.Main ResponsibilitiesDesign web pages that promote user engagement and interaction, ensuring a seamless browsing experience.Evaluate existing website patterns and structures, identifying design and architectural flaws to recommend effective solutions and enhancements.Partner with marketing and product teams to ensure that web designs align with our brand identity and business goals, enhancing user engagement and conversion rates through comprehensive, user-centric strategies.Collaborate closely with UI/UX Designers, UX Researchers, and Design System designers.Champion design excellence by presenting and justifying your design decisions and their potential impact on growth metrics to stakeholders.Core RequirementsDemonstrated experience in web design, backed by a portfolio showcasing your ability to create engaging web pages.Outstanding visual and interaction design skills, with a strong attention to detail and a passion for crafting intuitive user experiences.A commitment to aligning design strategies with business objectives and user requirements.A collaborative mindset, capable of working with data analysts, web content managers, and developers to ensure the integrity of design and its implementation.A quick learner, adaptable to emerging technologies and changing project demands, receptive to feedback for continuous improvement.Excellent communication skills, with fluency in English.Proficiency in Figma.

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.

JetBrains is seeking a Senior Machine Learning Researcher to focus on Spectrum. This position centers on applying machine learning expertise to improve product features and contribute to ongoing research efforts. Role overview This role involves working with a team dedicated to advancing the capabilities of Spectrum. The Senior Machine Learning Researcher will use their knowledge to influence product direction and participate in research projects that drive innovation. Key responsibilities Apply machine learning methods to enhance Spectrum's technology. Contribute to research initiatives that inform future product development. Share insights and provide leadership within the research team. Locations This position is available in Amsterdam, Belgrade, Berlin, Limassol, Madrid, Munich, Paphos, Prague, Warsaw, and Yerevan.

Join our dynamic team as a Senior Product Designer, specializing in the Incentives domain within the Delivery Consumer team. In this pivotal role, you will oversee all aspects of user experience and design pertaining to campaigns, discounts, subscriptions, and promotional mechanics within our consumer app.The Incentives team is dedicated to developing a scalable communication system that enhances the clarity, effectiveness, and accessibility of our campaigns across all user interactions.You will play a vital role in shaping how millions of users engage with discounts and campaigns in the Bolt Food app. Are you ready to tackle complex challenges and build solutions at scale? We want to hear from you!

SKELAR is a Ukrainian venture builder focused on creating international tech businesses. Together with co-founders, we assemble strong teams to excel in global markets.Currently, SKELAR is home to a variety of businesses across multiple niches—from EdTech to marketplaces—some of which are recognized among the top startups and product companies in Ukraine, achieving high rankings in the AppStore and developing platforms used by millions worldwide. Our businesses have been featured in renowned media outlets such as TechCrunch and Wired.Dressly is a groundbreaking venture transforming the fashion industry through AI technology and a personalized approach. We are dedicated to creating tailored fashion solutions that empower individuals to express themselves without fear.Currently, Dressly is seeking a Senior Product Manager for our activation direction, with a primary focus on enhancing the initial user experience in mobile and web applications, bridging the gap between marketing funnels and product offerings, while closely collaborating with marketing, product marketing, and product teams.Key ResponsibilitiesDeveloping and implementing strategies to activate paying users within the product.Taking full ownership of the interface between product marketing and the first user experience.Generating, prioritizing, validating, launching, and analyzing numerous hypotheses regarding activation logic.Systematically working to enhance key product metrics (login rate, cancel rate, activation rate, early feature adoption).Conducting regular user research to minimize the gap between USP and value proposition (building a consistent end-to-end experience).Joining our team now means:Engaging with fashion—one of the largest consumer industries worldwide.Creating products that blend fashion, creativity, and technology at the intersection of Fashion and AI.Being involved in the entire user journey.Being the primary point of influence on business and behavioral metrics.Conducting extensive research, testing, and iterating.In a world where personalization has become an expectation, we are building a product that radically changes the approach to finding new clothing and accessories, which is just the beginning of our journey.

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.

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

Altersolutions is seeking a Senior Platform Engineer (Developer Experience) to lead the establishment and standardization of engineering practices, enhance developer workflows, and define standards for CI/CD and collaboration. This role melds hands-on DevOps expertise with a strong focus on clarity, comprehensive documentation, and effective process design.The primary objective is to boost the efficiency, consistency, and scalability of our engineering organization. In this capacity, you will collaborate closely with engineering leads, product managers, and other key stakeholders to ensure our operational methods are thoroughly documented, clear, and actionable.Key ResponsibilitiesDesign, document, and maintain comprehensive software development processes, encompassing coding standards, branching strategies, testing protocols, release management, and deployment workflows.Engage with engineering managers, team leads, and product teams to gather insights and best practices, facilitating the seamless adoption of tools and methodologies.Convert intricate technical workflows into clear, concise documentation and visual aids (such as flowcharts, process maps, checklists, and templates) to enhance understanding.Assess and implement tools aimed at improving developer experiences (e.g., feature flagging, local development environments, code quality tools).Oversee a central documentation repository (e.g., Confluence, Notion, or Git-based systems), ensuring that all documentation remains current and version-controlled.

Join Bolt as a strategic and analytical Product Manager focused on enhancing our User Authentication domain—the crucial first step in our users' journeys.In this pivotal role, you will engage collaboratively with engineering, design, data, security, fraud prevention, compliance, and product teams across various sectors to craft authentication experiences that are swift, intuitive, secure, and reliable on a global scale.As a member of our core Platform team, you will play a key role in transforming Bolt’s authentication into a world-class experience, ensuring that identity access remains seamless, flexible, and consistent across every market we operate in.If you are passionate about improving access for millions of users every day, we invite you to connect with us!

Bolt is seeking a Senior Product Designer to join the Identity team in Warsaw, Poland. This role centers on improving how users interact with authentication, identity management, and document verification features across both mobile and web platforms. Role overview The Identity team focuses on helping users create, access, manage, verify, and protect their accounts. The work balances a smooth user experience with security, compliance, and privacy requirements, supporting Bolt’s growing mobility ecosystem. What you will do Design user flows and interfaces for authentication and identity management Enhance document verification processes on web and mobile applications Contribute to solutions that keep user accounts secure while maintaining ease of use Impact This position offers the chance to shape how millions of users interact with Bolt’s products globally, ensuring both safety and simplicity in every account interaction.

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder dedicated to developing international tech businesses.We specialize in creating social discovery platforms that serve over 20 million users globally. Our growth and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Our TENTENS Tech team consists of over 250 individuals, each acting as a CEO in their role, contributing to our collective success. We operate with a 10/10ths approach: staying focused on our goals, asking the right questions along the way, and never settling for 'good enough' — we strive for excellence and beyond. If this resonates with you and you're eager to accelerate with us, let's connect!We are currently seeking a Senior/Lead User Acquisition Manager.Key Challenges Awaiting You:- Directly influence growth processes in your area and launch new channels.- Mentor other User Acquisition Managers and potentially lead a team in the future.- Launch and scale campaigns on platforms such as TikTok, Snapchat, X (formerly Twitter), and Quora.- Implement growth hacking strategies and identify opportunities for rapid growth, moving beyond traditional marketing schemes.- Evaluate campaign effectiveness, monitoring key marketing metrics (CTR, CR, CPA, ROI, etc.) and adjusting strategies based on data insights.- Conduct competitive research, analyzing their advertising channels, materials, and user acquisition approaches.- Collaborate with our creative team to develop high-converting ad creatives, setting tasks, participating in brainstorming sessions, and assessing design outcomes.- Work alongside the product and tech teams to create exceptional conversion funnels, enhancing user flow.What We Value:- 4+ years of marketing experience.- Hands-on experience in developing and executing advertising campaigns on Facebook and Google Ads.- Solid understanding of marketing metrics such as CPM, CTR, CPC, CR, CPA, ROAS, ROI, and LTV, and their relationships with company financial results.- Data-driven decision-making approach with strong analytical skills, capable of analyzing large volumes of information and deriving insights.Preferred Qualifications:- 2+ years of managerial experience.- Experience with TikTok Ads.What You Will Gain With Us:- Access to internal clubs focused on professional development in marketing, development, finance, and recruitment.- Training, courses, and opportunities to attend conferences.- Spacious, modern offices in Kyiv and Warsaw.- Medical insurance, corporate benefits, and more.

TENTENS Tech is a partner IT company of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms for over 20 million users worldwide. Our pace and scale are driven by deep expertise in analytics, high-load systems, and performance marketing.Today, the TENTENS Tech team comprises over 250 individuals, each acting like a CEO in their role and contributing to the collective success. We operate in a 10/10ths style: staying focused on our goals, asking the right questions along the way, and never settling for 'good' — only maximum results and then some. If this resonates with you and you're eager to accelerate with us, let’s connect!We are currently seeking a User Acquisition Manager to elevate our results together.Key challenges in this role include:— Launching, scaling, and optimizing advertising campaigns (Google/Social/Native/R&D);— Diving into numbers and metrics (CTR, CR, CPA, ROAS, LTV) and transforming data into actionable insights;— Continuously experimenting with new approaches, channels, and formats;— Collaborating in creative brainstorming sessions with designers, marketing leaders, and product teams — your ideas will be valued and implemented;— Analyzing competitors: their campaigns, messaging, creatives, and funnel structures — using these insights to stay ahead.What matters to us:— You have 2+ years of experience in performance marketing, analytics, or related fields;— You are proficient with numbers, analytics, and dashboards;— You quickly grasp new information, adapt to changes, and are not afraid to think outside the box;— You are detail-oriented, reliable, and always double-check your work;— You have an intrinsic drive for initiative: you propose, test, analyze, and push processes forward;— You possess English proficiency at a B2+ level — allowing you to work comfortably with foreign markets and materials.Preferred qualifications:— Familiarity with key marketing metrics (CPM, CPC, CTR, ROAS, etc.) and understanding their impact on the company’s P&L;— Practical experience in launching campaigns on Google/Meta or other performance channels;— Proficient in Excel / Google Sheets — for swift analysis, A/B testing, and budget planning.— Experience in Big 4 / Big 3 is a plus.What you will gain with us:— Internal clubs based on interests...

Join NielsenIQ as a Research Analyst and play a pivotal role in driving data-driven insights that shape strategic business decisions. In this dynamic position, you will conduct thorough market analysis, compile reports, and collaborate with cross-functional teams to deliver actionable intelligence. Your analytical skills will be crucial in interpreting complex data sets and presenting findings in a clear and compelling manner.

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We specialize in developing social discovery platforms that cater to over 20 million users globally. Our rapid growth and scalability stem from our profound expertise in analytics, high-load systems, and performance marketing.Currently, our team at TENTENS Tech comprises over 250 talented individuals, each acting as a CEO in their respective roles, contributing to our collective success. We embrace a 10/10ths work style: we keep our eyes on the target, ask the right questions along the way, and never settle for 'good enough' — only the best and then some. If you resonate with this description and are eager to accelerate with us, let's connect!We are looking for a User Acquisition Manager to elevate our performance standards together.Key Responsibilities:— Launch, scale, and optimize advertising campaigns (Google) with a focus on results rather than just costs;— Dive deep into metrics and data — CTR, CR, CPA, ROAS, LTV — and transform insights into actionable strategies;— Continually experiment with new approaches, channels, and formats — we are always on the hunt for that 'one' idea that scales;— Participate in creative brainstorming sessions with designers, marketing leaders, and product teams — your ideas will never go unheard;— Analyze competitors: their campaigns, messaging, creatives, and funnel structures — using these insights to stay one step ahead.What We Value:— You have over 1 year of experience in performance marketing, analytics, or related fields (experience with Big 4/Big 3 is a plus);— You are adept at working with numbers, analytics, and dashboards — understanding that metrics are not just reports, but maps to growth;— You grasp new information quickly, adapt to changes seamlessly, and are unafraid to think outside the box;— You are detail-oriented, reliable, and always double-check your work;— You possess an internal drive for initiative: you propose, test, analyze, and propel processes forward;— You have a B2+ proficiency in English to comfortably engage with international markets and materials.Preferred Qualifications:— Knowledge of key marketing metrics (CPM, CPC, CTR, ROAS, etc.) and an understanding of how each impacts the company's P&L;— Practical experience in launching campaigns on Google/Meta or other performance channels;— Proficient in Excel/Google Sheets — for quick analysis, A/B testing, and budget planning.What You Will Gain with Us:— Access to internal clubs focused on professional development: marketing, development, finance, recruiting;— Training sessions, courses, attendance at conferences, and a wealth of knowledge-sharing opportunities.

Hello! We are Liven, creating a global ecosystem of self-regulation products that empower individuals to turn off their emotional autopilot and foster better relationships with themselves.Within our ecosystem:Self-discovery Companion - An app chosen by over 2.5 million users, offering a space for self-exploration through AI coaching, mood trackers, audio practices, and bite-sized learning.Online Coaching - Sessions with certified experts to tackle complex situations.Supplements - Aiding physical recovery and bodily support.We are on a constant expedition with ambitious plans to expand our ecosystem.Liven is a company for the curious. We are driven by curiosity - an intrinsic need to ask questions, dig deeper, and confront the unknown.We are passionate about creating products and solutions that genuinely help. All our curiosity and experimental culture exist to discover better ways to support and guide individuals on their self-discovery journey.Currently, we are seeking a User Acquisition Manager (Google) at Liven.Challenges Awaiting You:Creation, launch, and optimization of advertising campaigns on Google Ads;Testing new channels and technologies;Analysis of key metrics across all channels: LTV, CAC, ROMI/ROAS, ROI/ROR, etc.;Conducting A/B testing of various funnels and strategies;Collaborating on the development of marketing strategies with the team.

Join Lesaffre as a SAP Regional Super Key User for Finance at our Warsaw office. In this pivotal role, you will act as a liaison between the finance department and SAP solutions, ensuring seamless integration and optimization of our financial processes. Your expertise will be vital in enhancing system functionalities and addressing user needs.

About Box:Box (NYSE:BOX) is the premier provider of Intelligent Content Management solutions. Our innovative platform empowers organizations to enhance collaboration, manage the full content lifecycle, ensure security for vital information, and streamline business workflows using enterprise AI. Since our inception in 2005, Box has simplified operations for numerous leading global firms, including JLL, Morgan Stanley, and Nationwide. Our headquarters is located in Redwood City, CA, with offices spanning the United States, Europe, and Asia.Joining Box means you play a crucial role in advancing our platform. Content is the backbone of productivity; it's the billions of files and data shared across teams, departments, and critical business processes daily—from contracts and invoices to employee records and marketing assets. Our mission is to introduce intelligence into content management, empowering our customers to revolutionize workflows throughout their organizations. With the integration of AI and enterprise content, the potential to reshape the way the world collaborates is immense, and at Box, you'll be at the forefront of this transformation.Why We Need You:Metadata is an essential aspect of the Box Content Cloud, allowing customers to enrich their files with context and transform them into actionable content. Currently, it's employed for organizing, discovering, annotating, securing, and retaining content. The adoption of our Metadata Platform is surging as more Box products, such as Shield, Relay, Sign, and Governance, depend on it, while our clients develop custom applications utilizing its capabilities.However, we have only scratched the surface of its potential. This is where you come in!As we aim to develop a next-generation Metadata Platform, we are seeking a Software Engineer to join our team and make a significant impact. You will collaborate with a talented, friendly group of engineers, tackling some of the most challenging problems as we build the future of intelligent content management in the cloud. Your contributions will directly enhance the productivity of millions of users at some of the most influential enterprises worldwide.Your Responsibilities:Lead design and implementation initiatives for new components of our platform from inception to deployment.Collaborate with cross-functional teams and domain architects on system design and service integration.

TENTENS Tech is a partner IT company of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms catering to over 20 million users worldwide. Our pace and scale are powered by deep expertise in analytics, high-load systems, and performance marketing.At TENTENS Tech, our team comprises over 250 professionals, each acting as a CEO in their respective roles and contributing to our collective success. We operate under the principle of 10/10ths: aiming for the target, asking the right questions along the way, and striving for nothing less than excellence. If you resonate with this ethos and are ready to accelerate with us, let’s connect!Currently, we are looking for a Senior/Lead User Acquisition Manager.Your Challenges Include:— Directly impacting growth processes in your area and the opportunity to launch new channels.— Mentoring other User Acquisition Managers and potentially leading the team in the future.— Launching and scaling campaigns on platforms such as TikTok, Snapchat, X (formerly Twitter), Quora, etc.— Implementing growth hacking strategies and identifying opportunities for rapid growth beyond traditional promotional schemes.— Evaluating campaign performance metrics, monitoring key marketing indicators (CTR, CR, CPA, ROI, etc.), and adjusting strategies based on data insights.— Conducting competitor research and analyzing their advertising channels and user acquisition approaches.— Collaborating with the creative team to develop high-converting advertising creatives, setting tasks for the creative team, participating in brainstorming sessions, and assessing designer outputs.— Working with the product and technical team to create effective conversion funnels and enhance user flow.What We Value:— 4+ years of experience in marketing;— Hands-on experience in developing and executing advertising campaigns on Facebook and Google Ads;— Strong understanding of marketing metrics such as CPM, CTR, CPC, CR, CPA, ROAS, ROI, LTV, and their relationships with the company’s financial outcomes;— Data-driven decision-making approach with strong analytical skills, capable of analyzing large volumes of information and drawing insights;Preferred Qualifications:— 2+ years of experience in managerial positions;— Experience with TikTok Ads;What You Will Gain with Us:— Internal clubs focusing on professional development in marketing, development, finance, and recruitment;— Training programs, courses, and conference attendance;— Spacious and modern offices in Kyiv and Warsaw;— Medical insurance, a friendly team, and much more!

TENTENS Tech is a dynamic IT partner of SKELAR, a Ukrainian venture builder focused on creating international tech businesses. We specialize in developing social discovery platforms for over 20 million users worldwide.Our growth is driven by deep expertise in analytics, high-load systems, and performance marketing. The TENTENS Tech team currently consists of more than 250 talented individuals, each acting as a CEO in their role and significantly impacting our collective success. We operate with a 10/10ths approach: we stay focused on our goals, ask the right questions, and never settle for 'good enough'—only excellence and a bit more.We are looking for a passionate Marketing Lead (User Acquisition) to join our team.As a Marketing Lead, you will face exciting challenges including:- Directly influencing growth processes and the ability to launch new channels.- Mentoring other User Acquisition Managers with the potential to lead a team in the future.- Launching and scaling campaigns on platforms such as TikTok, Snapchat, X (formerly Twitter), Quora, etc.- Implementing growth hacking strategies and seeking opportunities for rapid growth outside of traditional marketing schemes.- Evaluating campaign effectiveness by monitoring key marketing metrics and adjusting strategies based on data insights.- Conducting competitor research and analyzing their marketing channels, materials, and user acquisition approaches.- Collaborating with the creative team to produce high-converting ad creatives, setting tasks for designers, and participating in brainstorming sessions.- Working with the product and tech teams to design effective conversion funnels and enhancing user flows.What matters to us:- 4+ years of marketing experience;- Hands-on experience in creating and executing advertising campaigns on Facebook and Google Ads;- Understanding of marketing metrics and their relationship with company financial outcomes;- Data-driven decision-making skills with strong analytical abilities to interpret large volumes of information.Bonus points for:- 2+ years of managerial experience;- Experience with TikTok Ads.What you will gain by joining us:- Access to internal clubs focused on professional areas such as marketing, development, finance, and recruitment;- Opportunities for training, courses, and conference attendance;- Spacious and modern offices in Kyiv and Warsaw;- Medical insurance and a corporate doctor.Join us in building the next big thing!