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Join our dynamic team at altersolutions as a Frontend Developer. In this role, you will be responsible for creating and optimizing user-friendly web applications. You will collaborate with designers and backend developers to deliver seamless digital experiences.
altersolutions is a forward-thinking technology company based in Warsaw, dedicated to delivering innovative solutions that drive business success. We foster a collaborative environment that encourages creativity and professional growth.
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Search for Senior Frontend Engineer At Fairmarkit Warsaw Poland
1,560 results
Join Fairmarkit as a Senior Frontend Engineer and be a key player in revolutionizing the procurement process. You will design and implement user-centric web applications that elevate the user experience. Collaborate with cross-functional teams to create scalable and maintainable solutions while ensuring high performance and responsiveness.
About WPP Media WPP is the leading creative transformation company, leveraging the power of creativity to forge better futures for our employees, the planet, clients, and communities. Discover more at wpp.com. WPP Media is WPP’s global media collective, orchestrating the best platforms, talent, and partnerships to unlock endless opportunities for growth in an era where media pervades every aspect of life. Learn more at wppmedia.com. At WPP Media, we value our culture and our people, which empower us to deliver outstanding experiences for our clients and each other. In this role, you will embody WPP & WPP Media’s core values: Be Extraordinary by Leading Collectively to Inspire transformational Creativity. Create an Open environment by Balancing People and Client Experiences through Cultivating Trust. Lead Optimistically by Championing Growth and Development to Mobilize the Enterprise. Role Summary and Impact As a vital member of the Global Operations Centre (GOC), you will collaborate with teams across the U.S., Europe, and Asia to deliver impactful solutions in a vibrant, multicultural setting. We are looking for a talented and passionate Frontend Engineer to join our Data & Technology Solutions team. You will play a key role in designing intuitive, engaging, and high-performance user interfaces for our data products and AI platforms, including the innovative WPP Open platform. If you enjoy creating beautiful and functional web applications, excel in modern JavaScript frameworks, and are keen to turn complex data into user-friendly experiences within the dynamic AdTech landscape, we invite you to apply. You are: A skilled user experience craftsman with a sharp eye for detail and a dedication to constructing pixel-perfect, responsive, and accessible interfaces. Proficient in contemporary frontend technologies, capable of producing clean, modular, and maintainable code. Passionate about performance and consistently optimizing web applications for speed and efficiency.
Join Fairmarkit, the leading autonomous sourcing platform that is redefining the procurement landscape globally. Our innovative technology leverages automation, AI, and GenAI to empower procurement teams to optimize their sourcing strategies efficiently and competitively. With solutions designed for tail spend and strategic sourcing, we help organizations reduce cycle times, eliminate unnecessary costs, achieve ESG and diversity goals, and enhance the experience for both internal stakeholders and suppliers. Recognized by esteemed organizations such as Gartner and IDC, we are supported by notable investors including Notable Capital and Insight Partners.We are seeking a Senior Payroll, HR Administration & Accounting Specialist to oversee accounting, payroll, employee documentation, and statutory reporting for our Polish operations. This hands-on, in-house role requires a professional who can operate independently, ensure compliance with Polish regulations, and effectively support our local operations while reporting to our US parent company.Accounting, Banking & Financial OperationsResponsible for day-to-day accounting documentation, payments, and banking activities for the Polish entity:Maintain accounting and financial recordsReview invoices and supporting documentsPrepare documentation for monthly, quarterly, and annual closingsManage payments and banking operationsMonitor expenses and payment timelinesHR Administration, Payroll & Personnel DocumentationMaintain employee personnel files (akta osobowe) in compliance with Polish legal requirementsPrepare employment contracts, civil law agreements, B2B agreements, and related HR documentsCalculate payroll and benefits, as well as other employee-related paymentsPrepare and submit declarations and reports to ZUS, Urząd Skarbowy, GUSEnsure timely payment of taxes, social security contributions, and other mandatory chargesAssist employees and managers with HR and payroll-related inquiriesStatutory Compliance & External ReportingPrepare and submit necessary documentation to public institutions and external partiesServe as the local point of contact for ZUS, Urząd Skarbowy, and other relevant authorities
Join our dynamic team as a Senior Frontend Developer at evolution in Warsaw! We are looking for a talented individual with a passion for building responsive and high-performance web applications. You will collaborate with cross-functional teams to deliver exceptional user experiences and implement innovative solutions.
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.
Sensor Tower
Fraud Warning: Beware of potential scams posing as legitimate job opportunities. To ensure your application is considered, please apply only through the official Sensor Tower website or directly through our authorized profiles on platforms like LinkedIn, Indeed, BuiltIn, or Hackajob. Sensor Tower will never request payment, credit card, or bank account information during the application process. All official communications will originate from email addresses ending in sensortower.com. Interviews will be conducted via phone or Zoom, and no conversations will shift to external email or text platforms. If you encounter any issues, please reach out to us. Remember to attach your resume when applying.Recruitment Agencies: Sensor Tower does not accept unsolicited resumes from third-party agencies. Please refrain from sending resumes to our job alias, employees, or any other location. Sensor Tower will not cover fees related to unsolicited resumes and will not compensate agencies without a signed agreement.About This Role:Are you excited by the dynamic environment of a startup?Do you have a passion for developing high-impact, rapidly deployed products?Are you committed to mentoring emerging engineers and championing technical excellence?Join us in revolutionizing how insights are derived in digital marketing!Apply today!Role Summary:As a Mid / Senior Frontend Engineer at Sensor Tower, you will play a crucial role in developing top-notch products and features that enhance our user experience. Our flat organizational structure allows for your input to significantly influence product design and development.
Join HelloFresh in Warsaw as part of our HelloTech organization, a vital segment of our global technology team comprising over 1000 professionals. We are dedicated to developing digital products that enhance the end-to-end food experience, encompassing meal kits, ready-to-eat meals, and even specialty items like pet food and premium meat & seafood. Our technology platforms empower millions of customers with personalized food solutions every month.Our direct-to-consumer subscription model is fueled by cutting-edge technology that optimizes every customer interaction—from engaging applications and personalization algorithms to pricing strategies and supply chain management. Although our brands operate independently to cater to diverse customer needs, they are unified by shared platforms, data, and operational excellence crafted by HelloTech.At HelloTech, we work in autonomous, cross-functional teams that take ownership of specific products and domains. By collaborating with our Warsaw office, you will contribute to scalable, data-driven products used across various markets, leveraging a modern tech stack and working with international teams to continuously enhance how our customers discover, order, and enjoy HelloFresh products now and in the future.
Join Complexio, a pioneering joint venture at the forefront of AI innovation, dedicated to streamlining business processes through advanced automation. Our Foundational AI platform leverages comprehensive enterprise data—both structured and unstructured—to enhance productivity and drive intelligent decision-making.With a collaborative team of experts from diverse fields, we utilize proprietary models and knowledge graphs to optimize human-computer interactions and execute complex workflows autonomously at scale. Our mission is to redefine enterprise efficiency through context-aware, privacy-first automation.If you are passionate about harnessing AI and advanced technologies to transform business processes and are eager to contribute to a dynamic project, we invite you to apply!
Join Complexio, a pioneering company at the forefront of AI-driven business automation. Our Foundational AI platform revolutionizes enterprise productivity by efficiently managing both structured and unstructured data. Leveraging proprietary models, knowledge graphs, and orchestration layers, we empower organizations to enhance human-computer interactions and automate complex workflows seamlessly.As a joint venture established between Hafnia and Símbolo, and supported by esteemed partners including Marfin Management, C Transport Maritime, BW Epic Kosan, and Trans Sea Transport, Complexio is on a mission to redefine the landscape of business operations through privacy-first automation.Your role will focus on optimizing business processes using advanced AI technologies, facilitating intelligent data management, and enabling automated decision-making. Our solutions are designed for high performance, ensuring security and scalability in modern enterprises.
CoreWeave, Inc.
CoreWeave, the essential cloud for AI™, is built by pioneers for pioneers. We provide a robust platform of technology, tools, and teams that empower innovators to confidently build and scale AI solutions. Trusted by top AI labs, startups, and global enterprises, CoreWeave combines exceptional infrastructure performance with extensive technical expertise to accelerate innovation and transform computing capabilities. Since our establishment in 2017, we have become a publicly traded company (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.We are proud to be recognized as a Living Wage accredited employer.
Euronet Worldwide, Inc.
Join Euronet Worldwide, a leader in electronic payments and transaction processing, as a Financial Analyst. In this role, you will play a critical part in analyzing financial data, preparing reports, and supporting strategic decision-making processes. This is an exciting opportunity to contribute to the financial health of a dynamic and growing organization.
Join Hostinger as a Pricing Manager and play a pivotal role in shaping our pricing strategies. You will work alongside a dynamic team to analyze market data, set competitive prices, and enhance our revenue models. Your insights will drive our pricing decisions, ensuring we remain competitive while maximizing profitability.
Join Moss, where we empower finance professionals to automate their daily tasks and make innovative decisions.Our culture is what sets us apart — we prioritize impact and continuous growth, encouraging each team member to learn and excel. Moss has been recognized by Sifted’s Rising 100 and LinkedIn's Top Startups, and we are committed to driving your career forward while building a lasting success story together.We are currently seeking a Senior Frontend Engineer (f/m/d) to join one of our diverse tribes in Warsaw. The tribes currently hiring include:Financial ServicesGrowthSpend ManagementYou will work closely with product, design, and backend engineers to provide seamless and scalable solutions.
Location: Poland About Us: RTB House is an innovative global leader in marketing technology, dedicated to developing cutting-edge solutions for esteemed brands and agencies around the globe. Our unique ad-buying engine, driven entirely by advanced Deep Learning algorithms, empowers advertisers to achieve remarkable results and meet their objectives across all stages of the marketing funnel. Since our inception in 2012, we have expanded our operations to over 90 markets while maintaining a steadfast commitment to first-party advertising and continuous innovation. RTB House provides comprehensive, Deep Learning-powered AdTech products and solutions designed to enhance conversion rates, drive customer acquisition, foster engagement, and stimulate long-term demand for a diverse clientele worldwide. Your Role: We are seeking a Senior Software Engineer to join our team in designing, developing, and fine-tuning high-performance backend systems that facilitate real-time bidding (RTB) and machine learning at scale. You will be instrumental in creating software that manages billions of daily transactions, ensuring adherence to stringent latency and reliability requirements within a distributed, low-latency environment.
Join Complexio, where we are revolutionizing enterprise AI by developing an intelligence layer that automatically connects and enhances understanding of an organization’s personnel, processes, and systems. Our innovative platform processes both structured and unstructured data to create a dynamic Event Knowledge Graph, orchestrating a variety of AI models to discover hidden workflow enhancements and facilitate autonomous actions.As a Senior Full Stack Engineer, you will be at the forefront of shaping the user experience for thousands of enterprise users. Collaborating with a talented team of software engineers, data scientists, product specialists, and business analysts, you will help design next-generation web applications that bring our state-of-the-art automation capabilities to life. Your contributions will be vital in transforming complex data insights into user-friendly, efficient, and scalable interfaces, connecting advanced AI infrastructure with tangible business results.If you have a passion for integrating sophisticated front-end engineering, full-stack product development, and cutting-edge enterprise AI solutions, and thrive in a fast-paced, highly technical environment, we invite you to apply!
altersolutions
Join our dynamic team at altersolutions as a Frontend Developer. In this role, you will be responsible for creating and optimizing user-friendly web applications. You will collaborate with designers and backend developers to deliver seamless digital experiences.
Location: Warsaw, Poland - Hybrid (4 days on-site / 1 day remote)Contract: B2B · 25-40 k PLN net / month + RSUsWhy Fresha & Why Now?Fresha is revolutionizing the global beauty and wellness industry. With over 120,000 businesses, 450,000 professionals, and millions of clients, our platform manages more than 1 billion appointments, streamlining everything from scheduling to payments.Join us during this explosive growth phase—your contributions will be visible across the globe in a matter of days, not months.What You’ll DoAt Fresha, we view AI as a catalyst for accelerating feature delivery, not merely as a coding aid. We equip our engineers with cutting-edge tools (such as Claude, GitHub Copilot, and Cursor) to minimize mundane tasks. This allows you to concentrate on delivering impactful product features. We seek engineers who can effectively utilize these resources to enhance productivity within our 6-week cycles, expediting the transition from concept to code while ensuring technical integrity, security, and a superior user experience.* Take charge of our core booking & scheduling engine—the heartbeat of Fresha—ensuring it scales efficiently and provides seamless experiences for millions.* Design, construct, and launch new user-facing features using React + TypeScript, impacting a vast audience of professionals and clients.* Manage features from inception to completion: research, technical design, implementation, testing, deployment, and monitoring.* Utilize (and enhance) our Design System to rapidly deliver refined UI while elevating standards for consistency.* Develop robust automated tests (Cypress, Jest, React Testing Library) and maintain a healthy CI/CD pipeline.* Collaborate closely with Product, Design, Backend, Infrastructure, and Mobile engineers to bring features from ideation to launch and beyond.* Accelerate your efforts with AI: leverage AI agents, LLM-powered coding tools, and access a variety of AI resources (e.g., chatbots, development assistants).* Interested in backend, DevOps, or mobile? Grow your skills in those areas too!
WHAT IS BOXBox Inc. (NYSE:BOX) is at the forefront of Intelligent Content Management, revolutionizing how businesses manage their content and foster collaboration. Our innovative platform empowers organizations to secure critical content, streamline business workflows, and leverage enterprise AI to drive success in the AI-first era. Since our inception in 2005, we have simplified operations for leading global firms such as JLL, Morgan Stanley, and Nationwide, with our headquarters located in Redwood City, CA, and offices throughout the United States, Europe, and Asia.By becoming a part of Box, you will play a pivotal role in driving our platform's evolution. Content is the lifeblood of modern work, comprising the myriad files and information exchanged across teams and departments daily. Our mission is to infuse intelligence into content management, enabling our customers to transform their workflows entirely. With the integration of AI and enterprise content, the potential to reshape how organizations collaborate has never been more significant, and at Box, you'll be at the forefront of this transformation. WHY BOX NEEDS YOUAs Box continues to scale its AI capabilities and internal analytics, we are looking for experts to harness these tools to drive smarter business decisions.You will be responsible for designing and deploying AI agents and operational solutions that bolster both IT and business workflows. These agents will be crafted to minimize inaccuracies while prioritizing security in their modeling, data processing, and decision-making. Additionally, you will build and maintain MCP servers and developer tools that yield actionable data insights, facilitating prompt actions for teams. Ultimately, your contributions will link secure, reliable infrastructure with practical AI capabilities, enhancing informed and low-risk decision-making throughout the organization.WHAT YOU’LL DODesign, develop, and implement AI agents to automate and enhance IT and business workflows, ensuring reliable outputs.Establish model validation, monitoring, and fail-safe systems to identify and mitigate incorrect or risky agent behaviors.Architect secure data handling pipelines for data ingestion, storage, access control, and encryption to protect sensitive information.
SoftwareMind
SoftwareMind is looking for a Data Engineer based in Warsaw. This role centers on designing, building, and maintaining data pipelines that help drive informed decisions throughout the company. Key responsibilities Create and manage data pipelines that integrate information from multiple sources Monitor and support data quality and reliability at every stage Collaborate with team members to deliver solutions aligned with business needs Requirements Strong grasp of data engineering principles Comfort working closely with others in a collaborative setting Interest in building systems that support data-driven decisions
Join Bolt Food as an Account Manager!We are seeking a driven and enthusiastic Account Manager to spearhead our operations and foster growth among our partner restaurants in Poland.With over 200 million customers across more than 50 countries, Bolt is rapidly emerging as a leading tech company in Europe and Africa, and this success is attributed to our talented team.At Bolt, we champion inclusivity, welcoming individuals from all backgrounds—regardless of race, color, religion, gender identity, sexual orientation, national origin, age, or disability. Our mission? To transform cities for people, not cars—and we need your expertise to help us achieve this!About the RoleAs an Account Manager, you will develop a profound understanding of our primary business objectives and actively engage with our partners to ensure they derive long-term value from our platform. Collaboration is key; you will work closely with the Account Management team to drive local execution of our global initiatives.Main Responsibilities:Oversee, coordinate, and negotiate eater-facing campaigns aimed at boosting Bolt Food orders and enhancing revenue.Analyze critical performance metrics to extract insights and optimize customer outcomes.Forecast growth and assess the achievement of our business objectives.Implement and refine our operational strategy while addressing daily commercial and operational challenges.Work in tandem with the Sales & Partners Operations team to seamlessly onboard all restaurants.Lead negotiations on restaurant contract terms.
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