Lead of Display Programmatic Advertising

About Us:RTB House stands as a pioneering performance demand-side platform (DSP), harnessing proprietary Deep Learning AI algorithms to empower brands in their growth journeys. As a market leader, we drive performance through Deep Learning across the entire purchase funnel.Established in 2012 and currently operating in over 90 markets, RTB House is firmly private-by-design, advocating for first-party advertising and a relentless commitment to innovation. Our end-to-end Deep Learning-powered AdTech products and solutions are tailored to maximize conversions, facilitate new customer acquisition, enhance engagement, and stimulate long-term demand for our global clientele.We are on the lookout for a talented Software Engineer with substantial backend and microservices development experience to join our dynamic team. In this role, you will design, develop, and maintain web applications, microservices, and internal tools, while also contributing to frontend development as necessary.

About WPP MediaWPP is the trusted growth partner for the world’s leading brands. By leveraging exceptional talent, trusted data, and strategic partnerships through our pioneering marketing platform, WPP Open, we empower clients to navigate change, seize opportunities, and achieve transformational growth.WPP Media stands as WPP's AI-driven media operating unit, merging media, data, and partnerships to provide creative personalization at scale. Through WPP Open and powered by Open Intelligence, our clients gain insights into where, how, and why their media investments are effective.For further details, visit wppmedia.com.WPP’s global scale is foundational to our daily operations in Poland. Below, we illustrate how this vision translates into actions at WPP Media, the media organization within WPP, and the teams you can join locally.

About WPP MediaWPP is at the forefront of creative transformation, harnessing the power of creativity to forge brighter futures for our people, planet, clients, and communities. For further details, please visit wpp.com.WPP Media represents WPP's global media collective. In an era where media is omnipresent, we unite the finest platforms, exceptional talent, and strategic partnerships to unlock boundless growth opportunities. Discover more at wppmedia.com.We are staunch believers in the strength of our culture and workforce at WPP Media. This belief empowers us to provide extraordinary experiences, both for our clients and for one another. In this position, it is essential to embody the shared core values of WPP and WPP Media: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 ImpactAs a pivotal member of the Global Operations Centre (GOC), you will collaborate with diverse teams across the United States, Europe, and Asia to deliver impactful solutions in a dynamic, multicultural setting. We are seeking a Senior Programmatic Specialist who will:Oversee campaigns across multiple DSP platforms, primarily DV360, along with TradeDesk and Amazon DSP.Implement and optimize programmatic campaigns focusing on performance enhancement and client goal achievement.Work closely with regional teams (Europe, U.S.) to ensure campaign alignment with client strategies and success.Conduct in-depth monitoring and performance analysis of campaigns, utilizing data insights for informed optimization.Guarantee the accuracy and reliability of campaign reporting tools.Generate detailed daily campaign reports, including pacing analysis and data input.Offer strategic insights and recommendations to regional Media Activation teams to bolster campaign success.Assist in the quality assurance of junior team members as the team expands.

About WPPWPP is the growth partner for the world’s foremost brands, integrating cutting-edge media intelligence, data analytics, world-class creativity, and transformative enterprise solutions, all powered by exceptional talent through our innovative marketing platform, WPP Open. Our mission is to assist clients in navigating change, seizing opportunities, and achieving transformative growth. To learn more, visit WPP.com.WPP's global scale defines our daily operations, including here in Poland. We will share how this vision translates into actions within WPP Media—our media organization that is part of the WPP group—and the teams you can join locally.About WPP MediaWPP Media is a global media organization under the WPP umbrella, encompassing brands such as Choreograph, EssenceMediacom, Mindshare, and Wavemaker. In a world where media is ubiquitous, we connect the best platforms, people, and partners to create limitless growth opportunities.By joining us, you will participate in forward-thinking programs and collaborate with specialists certified by DIMAQ. At WPP Media, we not only utilize technology—we innovate it. With proprietary tools like the WPP Open platform (an AI-driven marketing platform), you will engage in international projects and support clients globally. At WPP Media, you will have access to global resources and connections within the entire WPP network, enabling you to expand your professional network and learn from the best in marketing and advertising.As a Top Employer Poland & Europe 2021–2025, we foster a work environment based on trust and high HR standards. For the second consecutive time, in 2024 and 2025, we have been honored by Media & Marketing magazine with the title of Media Group of the Year.For more details, visit wppmedia.com.Your Role OverviewAs a Programmatic Specialist, you will be a key member of the Activation Team, collaborating on various touchpoints pre-defined by other teams, and contributing to our innovative media strategies.

WPP Media, part of WPP, works with leading brands worldwide to help clients understand and optimize their media investments. The company brings together talent, data, and partnerships through its marketing platform, WPP Open, with a focus on creative personalization at scale powered by AI. This role is based in Warsaw within the Global Operations Centre, collaborating with teams across the United States, Europe, and Asia. The environment is multicultural and emphasizes teamwork. What you will do Develop media plans that follow established strategies. Prepare and deliver materials required for campaign activation. Compile reports and create post-campaign analysis presentations. Serve as a point of contact between the activation team and client service team. Assist in ensuring campaigns are implemented successfully. Our values Be Extraordinary: Work together to inspire creativity and drive transformation. Create an Open Environment: Build trust and balance the needs of people and clients. Lead Optimistically: Encourage growth and development throughout the organization. More about WPP Media can be found at wppmedia.com.

WPP Media supports global brands by combining media expertise, data, and strategic partnerships through the WPP Open platform. The company focuses on creative personalization at scale and uses data-driven insights to help clients understand the results of their media investments. The team values collaboration, trust, and growth. They encourage leading together, fostering creativity, and building an open environment that balances client and employee experiences. Professional development and optimism are central to their approach. Role overview The Senior Programmatic Specialist (Planning & Buying) will work from the Global Operations Centre in Warsaw, supporting the Amazon client. This role requires close coordination with colleagues in the U.S., Europe, and Asia, offering the chance to work in a multicultural setting. The focus is on delivering effective programmatic media solutions. What you will do Help develop programmatic strategies for campaigns. Prepare media plans that support those strategies. Serve as a contact for client questions, collaborating with your manager. Create and present materials needed for campaign activation. Produce reports and post-campaign analyses. Assist the activation team with campaign setup tasks. Location This role is based in Warsaw, Poland. More about the company can be found at wppmedia.com.

Waymo is revolutionizing the future of transportation with our cutting-edge autonomous driving technology. As a pioneer in this field, we aspire to be the world's most trusted driver. Originating from the Google Self-Driving Car Project in 2009, we have dedicated ourselves to developing the Waymo Driver—The World’s Most Experienced Driver™—which enhances mobility access while aiming to prevent the tragic loss of lives due to traffic accidents. Having completed over ten million rider-only trips and driven autonomously for more than 100 million miles on public roads, we are ready to take the next step in our journey.Join our dynamic Waymo Commercialization team and play a crucial role in shaping the future of transportation! We are seeking an enthusiastic Staff Software Engineer who is eager to contribute to the evolution of our core ride-hailing and fleet management systems.In this hybrid role, you will engage in cross-disciplinary collaboration, working alongside technical teams (mobile applications, cloud backends, and the Waymo Driver) and functional departments (operations, product, legal, partnerships, policy, and privacy) to develop and implement vital infrastructure for our business.

As a Software Validation Engineer III at Collabera, you will play a critical role in ensuring the quality and reliability of our software solutions. You will be responsible for developing and implementing validation strategies, conducting thorough testing, and collaborating with cross-functional teams to enhance product performance. Your expertise will contribute to continuous improvement initiatives and compliance with industry standards.

Join our dynamic team at evooq as a Senior Software Engineer! In this role, you will leverage your extensive experience in software development to design, implement, and maintain high-quality software solutions that meet our client’s needs. You will collaborate closely with cross-functional teams, contributing to all stages of the development lifecycle. If you are passionate about technology and eager to make a significant impact, we want to hear from you!

Role overview SmartRecruiters is seeking a Senior Software Engineer with strong Python skills to join the team in Poland. This role focuses on building and enhancing scalable software that supports the company’s product suite. Senior engineers at SmartRecruiters play a key part in shaping technical decisions and work closely with colleagues from various teams. What you will do Design and implement software solutions using Python Work with product managers, designers, and engineers to deliver new features Promote development best practices and contribute to architectural choices Mentor junior engineers and help them grow technically Requirements Experience building scalable applications with Python Comfort working in a collaborative setting that can move quickly Interest in solving practical problems with technology Ability to share knowledge and support less experienced team members

About the RoleJoin Logz.io as a Backend Software Engineer and be part of a dynamic team that is reshaping the observability landscape. In this role, you will design and develop robust backend systems that scale effectively, ensuring seamless integration and exceptional performance.Key ResponsibilitiesDevelop and maintain scalable backend services and APIs.Collaborate with cross-functional teams to define, design, and ship new features.Troubleshoot and optimize existing systems for performance and scalability.Participate in code reviews and contribute to team knowledge sharing.

As a Senior Software Engineer focusing on AI Retrieval at Asana, you will play a pivotal role in designing and implementing cutting-edge solutions that enhance our AI capabilities. You will collaborate with cross-functional teams to build scalable systems that improve information retrieval and user experience. Your expertise in software engineering and artificial intelligence will help drive innovation and set new standards for efficiency and performance.

About the Role nearmap is hiring a Software Engineer in Warsaw. This team focuses on developing solutions for aerial imagery, working together to solve technical challenges and improve products. What to Expect Contribute to projects that advance aerial imagery technology Work closely with colleagues in a collaborative setting Engage with complex problems and help build practical solutions Who We’re Looking For Experience in software engineering Comfort working as part of a team Interest in tackling technical challenges This position is based in Warsaw.

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

About Aurora Solar Aurora Solar builds software that helps solar professionals design, sell, and install solar projects for both residential and commercial customers. Our platform supports millions of solar projects worldwide, providing tools and insights that make solar energy more accessible. Aurora Solar has received recognition as one of the "Best Remote Companies To Work for in 2025" by BuiltIn.com and is a Certified Green Business (CGB) by the city of San Francisco for the second year in a row. Team Overview The International team drives Aurora Solar’s expansion into new markets. Engineers on this team create solutions that address local compliance needs and adapt workflows for different regions. Collaboration with stakeholders from various countries helps the team understand local solar sales, design, and installation practices. The group values knowledge sharing, inclusivity, and continuous improvement, celebrating progress whether it’s a new feature launch or a more resilient system. Role Overview The International Software Engineer will help strengthen Aurora Solar’s platform as the company grows globally. This role focuses on building scalable systems that support new initiatives and enhance the experience for both solar professionals and homeowners. The position offers opportunities to take on increasing responsibility and contribute to smarter, simpler solutions for the clean energy transition. This is a hybrid role based in Warsaw, Poland.

Are you passionate about leading a team while writing high-quality code? Join Sigma Software as a Senior Software Engineer / Team Leader! In this pivotal role, you will guide a talented team of engineers, overseeing code reviews, design critiques, and career development while collaborating with our integration teams.Design and develop scalable solutions, ensuring a balance between production-ready code and rapid proof-of-concept development.Take ownership of sprint planning and execute the quarterly roadmap effectively.Serve as the final escalation point for complex technical challenges.Quickly learn and adopt new technologies while strategically managing technical debt.

Senior Software Engineer, Data Foundations ABOUT THE ROLE At Peloton, we view Data as a Product—a vital asset that drives every member interaction and influences business decisions. Our Datastores team is committed to offering a dependable, secure, and high-performing data persistence layer for application services throughout the organization. Our core principles include: 1. Safeguard the data, 2. Optimize for scalability, speed, and reliability, and 3. Minimize manual effort. We are seeking a Senior Software Engineer with extensive experience in constructing and managing data-intensive systems to join our Datastores team. This position is perfect for a backend engineer who has developed and maintained production systems heavily reliant on databases, caching layers, and data pipelines, and who is eager to advance their knowledge in scalable, cloud-native data infrastructures. You will collaborate at the intersection of application engineering and data platform reliability, working alongside service teams to enhance the storage, access, scalability, and observability of data across Peloton’s ecosystem. YOUR DAILY IMPACT AT PELOTON Your responsibilities will include: Designing, building, and maintaining backend systems that depend on scalable and highly available data persistence layers. Collaborating with service teams to refine database design, enhance query performance, and optimize data modeling. Contributing to automation efforts surrounding infrastructure provisioning using tools like Terraform and Backstage, while improving developer experience by creating self-service tools for databases and caching systems. Focusing on observability, performance insights, and autoscaling strategies for production datastores. Participating in architectural discussions regarding multi-regional data persistence and global scalability. This role merges hands-on backend engineering with significant exposure to cloud data systems and platform reliability challenges. WHAT YOU BRING We are looking for proficient backend engineers who are data-centric—those who have built systems where data performance, reliability, and modeling are crucial. 5+ years of software engineering experience in developing production backend systems. Strong familiarity with relational databases such as PostgreSQL or MySQL, including schema design, indexing, and query optimization. Experience with NoSQL datastores like DynamoDB, Redis, Elasticsearch, or Memcache. Exposure to data pipelines, event-driven architectures, and cloud technologies.

Join our dynamic team at Sigma Software Group as a Principal Software Engineer specializing in Ruby. In this role, you will lead innovative projects, drive technical excellence, and mentor junior developers. Your expertise will be pivotal in shaping our software solutions and enhancing our development practices.

Waymo is pioneering the future of mobility with its cutting-edge autonomous driving technology. Established in 2009 as the Google Self-Driving Car Project, our mission is to become the world’s most trusted driver. Our flagship product, the Waymo Driver—The World’s Most Experienced Driver™—aims to revolutionize access to transportation while drastically reducing road traffic fatalities. The Waymo Driver powers our fully autonomous ride-hailing service and is compatible with various vehicle platforms and applications. With over ten million rider-only trips completed and vast experience from driving over 100 million miles on public roads and extensive simulations across more than 15 U.S. states, we are leading the way in safety and efficiency.The RO Performance team plays a pivotal role in enhancing Waymo's self-driving technology. We are responsible for developing and maintaining the crucial infrastructure needed to process and analyze vast amounts of data from real-world driving logs and simulations.Our systems create essential metrics and dashboards that are vital for monitoring product performance, pinpointing areas for enhancement, and facilitating data-driven decision-making. The insights generated by our team directly impact Waymo's operational strategies, weekly performance evaluations, and, ultimately, the safety and reliability of our autonomous vehicles.In this hybrid role, you will report directly to a Staff Software Engineer.