Administrative Assistant/Specialist at rtbhouse | Warsaw

Join our dynamic team at rtbhouse, a leading technology company specializing in advertising solutions powered by cutting-edge algorithms and data-driven strategies. We are seeking an Administrative Assistant/Specialist who will play a vital role in supporting our operations and ensuring the smooth running of day-to-day activities.The ideal candidate will possess strong organizational skills, attention to detail, and the ability to manage multiple tasks efficiently. If you are proactive, adaptable, and thrive in a fast-paced environment, we want to hear from you!

Join Point72 as an Executive Assistant, where you will play a vital role in supporting our executives in a fast-paced and dynamic environment. You will be responsible for managing schedules, coordinating meetings, and ensuring seamless communication across teams. Your organizational skills and attention to detail will be crucial in helping our executives maximize their productivity.

Solidgate is looking for an Administrative Manager in Warsaw to support daily office operations and foster a positive workplace for teams across multiple locations. This role ensures that offices run efficiently, allowing teams to focus on their core work. Role overview The Administrative Manager handles a wide range of responsibilities, from managing facilities and vendors to planning events and coordinating travel. The position is central to keeping projects on track and supporting company culture. Main responsibilities Streamline office workflows and manage facilities, coordinating with vendors for global offices. Arrange business travel and logistics for partner meetings, including detailed itineraries and thoughtful touches such as partner gifts. Oversee daily administrative processes to maintain smooth operations. Manage budgeting, procurement, and vendor relationships to keep projects within budget and on schedule. Plan and organize corporate events, team-building activities, and off-site gatherings to strengthen collaboration and company culture. Requirements Strong organizational skills and a proactive, solutions-oriented mindset. Comfort working in environments that change and evolve quickly. Excellent attention to detail and a strong sense of responsibility. Upper-Intermediate or higher proficiency in English. What Solidgate offers Direct influence on company culture through initiatives that help teams collaborate and thrive across locations. Real autonomy to propose, test, and implement programs that improve the employee experience. An environment that welcomes new ideas and encourages experimentation.

We are looking for an experienced Senior System Administrator to join our dynamic team at inetum2 in Warsaw. In this role, you will be responsible for managing and maintaining our IT infrastructure, ensuring optimal performance and security for our systems. You will collaborate with cross-functional teams to implement upgrades, troubleshoot issues, and provide technical support to our users.

Location: Poland About Us: RTB House stands at the forefront of marketing technology, delivering cutting-edge solutions to leading brands and agencies around the globe. Our proprietary ad-buying engine is the world's first to utilize Deep Learning algorithms exclusively, empowering advertisers to achieve remarkable results at every stage of their marketing funnel. We are on the lookout for a Backend Python Developer to become an integral part of our internal team at RTB House. In this role, you will engage in the development of applications and tools that directly enhance our real-time bidding operations. Collaborating with seasoned engineers and product teams, this position offers a fantastic opportunity for developers eager to expand their skill set, tackle real-world challenges, and create robust software that makes a tangible impact.

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.

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

Location: Warsaw, Masovian Voivodeship, Poland About RTB House RTB House builds performance advertising solutions for brands worldwide. Since 2012, the company has developed a demand-side platform (DSP) powered by Deep Learning algorithms, supporting clients in over 90 markets. With a focus on privacy, first-party advertising, and ongoing innovation, RTB House delivers AdTech products that help brands increase conversions, acquire customers, and sustain engagement. Role Overview The Junior Platform Specialist helps ensure the stability and performance of RTB House’s advertising platform. This role involves technical troubleshooting, data analysis, and direct collaboration with both internal teams and external partners. Main Responsibilities Monitor integrations with Supply-Side Platforms (SSPs), troubleshoot issues, and analyze data to identify trends or problems. Work with product and engineering teams to keep the platform running smoothly and efficiently. Use tools such as SQL to analyze log-level data and support operational improvements. Communicate with SSP partners, respond to operational questions, and prepare insights for partner meetings. Document processes and help coordinate efforts between internal and external stakeholders. Assist with evaluating and onboarding new partners, reviewing inventory quality, checking for duplication, and maintaining accurate records of supply integrations. Monitor compliance with privacy rules and brand safety standards, including restricted verticals, and support enforcement with legal and policy teams. Support invoice validation, revenue reconciliation, and investigate billing discrepancies through data analysis and teamwork across departments. Desired Qualifications Strong analytical, troubleshooting, and problem-solving skills; experience with SQL or similar querying tools is a plus. Clear communicator who works well across technical, business, and partner-facing teams. Self-motivated and comfortable collaborating with distributed teams, including remote work.

Dun & Bradstreet is looking for a Data Administrator to join the team in Warsaw, Poland. This hybrid role requires working onsite at the Plac Europejski office two days per week. Role overview The Data Administrator will handle a mix of daily administrative and data-focused responsibilities that support smooth business operations. The position involves working independently as well as collaborating with colleagues across different teams. What you will do Carry out routine and complex tasks related to data administration Apply sound judgment within established guidelines to maintain data accuracy and consistency Engage with stakeholders to improve data quality and internal processes Support efficient workflows by managing a variety of administrative duties Work arrangement This position is based in Warsaw and follows a hybrid schedule, with two days each week in the office at Plac Europejski. Learn more about opportunities at dnb.com/careers.

CD Projekt Red is hiring an Administrative Specialist for the Systems & Settlements division in Warsaw. This is an entry-level role focused on keeping daily operations running smoothly and supporting the team’s organizational needs. Main responsibilities Handle a variety of administrative tasks to assist the division Maintain, update, and organize records Provide support for project management activities as needed Who this role is for This position is a good match for candidates at the start of their careers who want to gain experience in a creative setting. An interest in operational support and careful attention to detail are important for success in this role.

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

Role Overview Clifford Chance is seeking a Senior IT Specialist for its Warsaw HUB. This position oversees daily IT operations, maintains system integrity and security, and supports legal teams with technology solutions. Main Responsibilities Oversee and maintain IT systems to ensure reliability and security Support legal teams with technical solutions and troubleshooting Contribute to technology projects and process improvements Work with cross-functional teams to implement IT management practices Team and Collaboration This role works closely with colleagues across departments. Expect to participate in collaborative projects and help introduce new IT solutions to support the firm’s legal work.

Join our dynamic team as a Test Specialist at Arηs Group, a leading player in the European public sector IT landscape. We are seeking a detail-oriented professional to enhance our testing capabilities within our growing organization.Key Responsibilities:Design and develop comprehensive test plans and test cases while establishing an effective testing environment.Execute, debug, and validate application test cases and scripts.Document and confirm the completion of testing phases in alignment with development objectives.Analyze test results, track progress, and report any issues that arise.Evaluate functional and technical system designs for testability.Support quality assurance initiatives across projects.Maintain thorough documentation of tests and track any defects identified.Monitor and analyze test outcomes, focusing on system quality and reporting trends.Collaborate effectively with analysts, architects, software development teams, and service desk personnel.

Join our dynamic team at AccorHotels as a Controlling Specialist, where you will play a critical role in optimizing our financial performance. You will be responsible for analyzing financial data, preparing reports, and supporting management in decision-making processes. If you are passionate about finance and looking to grow your career in an international environment, we want to hear from you!

Join Base – a global leader transforming e-commerce!We are a technological powerhouse for sellers worldwide, providing an innovative all-in-one system. Our mission is to simplify the lives of online entrepreneurs by automating processes, dynamically scaling businesses, and effectively managing sales across multiple platforms. All of this is driven by our passion for innovation and modern technology. We operate globally, collaborating with thousands of marketplaces and industry leaders such as Amazon, eBay, Shopify, DHL, and FedEx, with our international team of experts working across Poland, Europe, both Americas, and Asia.But we are not just another tech company. We are one of the fastest-growing platforms in the industry – over the past three years, we have experienced dynamic growth, increasing our revenues and customer base worldwide. We foster a culture that values real impact and collaboration, with our team at the heart of our innovation.That’s why we are looking for you to join us as an Implementation Specialist!

Join our dynamic team as a Senior SQL Database Administrator, where you will work on enhancing an existing MS SQL-based platform within the regulatory risk sector. Your role will focus on optimizing databases and establishing stability engineering protocols to ensure they meet current expectations and future scalability requirements.

Join our dynamic team at dev2 as an Assistant Salon Manager in the vibrant city of Warsaw! We are seeking a passionate and dedicated professional to assist in running our salon operations smoothly, ensuring an exceptional experience for our clients. You will play a key role in supporting the Salon Manager in various tasks, including staff supervision, inventory management, and maintaining a welcoming environment.

Role overview Superhuman Platform Inc. seeks a Customer Care Specialist to support Grammarly users from its Warsaw hub. The focus of this position is to assist users, answer their questions, and ensure they can take full advantage of Grammarly's features. What you will do Respond to user inquiries and address issues in a timely manner Troubleshoot technical problems related to Grammarly's tools Provide clear, practical guidance to help users navigate the platform Support customer satisfaction and engagement by delivering attentive service Location This role is based at the company’s Warsaw hub.

Role overview The Receptionist at Auto1 Group in Warsaw acts as the first point of contact for everyone entering the office. This position helps shape the initial impression clients and visitors have of the company. In addition to greeting guests, the role involves supporting daily front desk operations and assisting with a range of administrative tasks. Main responsibilities Welcome clients and visitors at the front desk Respond to inquiries in person, by phone, or by email Oversee daily front desk activities Assist the team with general administrative duties as needed Work location This is an on-site role based at the Auto1 Group office in Warsaw (Warszawa).

The MissionSaviynt stands at the forefront of AI-driven identity security, transcending traditional access management to protect the digital assets of elite brands, Fortune 500 firms, and government bodies. As we pioneer advancements in the AI era, we seek a Renewals Specialist who embodies more than mere administrative skills; we require a master negotiator and a dynamic cross-functional leader.The Role: Beyond the Average Renewals DeskWe are in pursuit of a proficient commercial closer with a strong foundation in Account Management. You will take full ownership of the renewal lifecycle for our global clientele. This role demands a distinctive combination of interpersonal skills to foster partner relationships and a commanding presence to facilitate internal collaboration. Your leadership will ensure the robustness of our recurring revenue while adapting to a fast-paced environment where change is the only constant.