Senior Distributed Systems Engineer - Platform Engineering

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: 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 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 a pioneering performance demand-side platform (DSP) that leverages advanced Deep Learning AI algorithms to empower brands and drive growth. As a leader in the industry, we excel in optimizing performance throughout the entire purchase funnel. Established in 2012 and currently operating in over 90 markets, RTB House is committed to privacy and innovation, employing first-party advertising strategies. Our comprehensive, Deep Learning-driven AdTech solutions are designed to enhance conversion rates, acquire new customers, foster engagement, and sustain long-term demand for our global clientele. Position Overview As a Senior Cloud Operations Engineer, you will play a vital role in supporting our internal teams by overseeing daily operations and providing expert technical guidance within our Google Cloud Platform (GCP) environments. Your responsibilities will include assisting users from IT, engineering, and business teams by advising on project configurations, enabling integrations, supporting CI/CD workflows, and ensuring adherence to best practices in security, networking, and governance. This position offers an exciting opportunity for an engineering professional who enjoys hands-on technical work, tackling practical operational challenges, and empowering teams to effectively utilize cloud services. Key Skills Required: Extensive knowledge of core Cloud concepts, including IAM, networking, VPC Service Controls, project and service configurations, and integrations. Proven ability to guide users through setup, troubleshooting, and best practices. Experience in assisting teams with CI/CD pipeline management, including configuration, troubleshooting, and optimization, along with automating repetitive operational tasks to enhance efficiency and reliability. Strong ownership of operational tasks, adept at diagnosing and resolving issues across cloud services, delivering clear and actionable solutions in situations where requirements may be incomplete or ambiguous. Exceptional communication and collaboration skills to support internal users from diverse backgrounds, work closely with engineering, security, and platform teams, and maintain comprehensive documentation.

Join a leading trading platform that is ambitiously extending its reach globally. Our award-winning products are recognized for their innovative technology and exceptional client experience. We pride ourselves on delivering excellence, and we seek extraordinary talent to enhance our dynamic team.We are in search of an accomplished Senior Technical Recruiter. This pivotal role focuses on sourcing top-tier engineering talent to align with Capital.com's strategic objectives for 2025 and beyond. As the Senior Technical Recruiter, you will manage the complete recruitment lifecycle, identify exceptional engineering candidates, and act as a strategic partner to stakeholders within the engineering department.

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.

Location: [Poland] About Us: RTB House is a pioneering performance demand-side platform (DSP) that leverages proprietary Deep Learning AI algorithms to empower brands in their growth journey. As a leader in performance marketing, we utilize Deep Learning technology across every stage of the purchase funnel. Since our establishment in 2012, we have expanded our operations to over 90 markets worldwide while maintaining a commitment to innovation and privacy. We specialize in providing end-to-end Deep Learning-driven AdTech products and solutions designed to optimize conversion, enhance customer acquisition, foster engagement, and sustain long-term demand for our diverse clientele. Role Overview: We are seeking a skilled DevOps Engineer to join our team, where you will be instrumental in crafting, implementing, and sustaining our cloud infrastructure, CI/CD pipelines, and automation of deployment processes. Your key responsibilities will encompass migrating applications from on-premises to Google Cloud Platform (GCP), monitoring web applications, automating routine tasks, and ensuring the stability of our production environment. You will work closely with development teams, system administrators, and various stakeholders to enhance the availability, security, and efficiency of our systems. This position presents a remarkable opportunity for an experienced DevOps professional eager to tackle intricate challenges and empower engineering teams to excel in their performance.

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.

Location: Poland About Us: RTB House is an innovative global firm specializing in cutting-edge marketing technologies for leading brands and agencies worldwide. Our proprietary ad-buying engine is the first globally to harness the full potential of Deep Learning algorithms, empowering advertisers to achieve remarkable results at every stage of the customer journey. The Bidding Platform Team plays a pivotal role in our company's success. We collaborate to develop system modules and components that proficiently manage over 24 million queries per second, maintaining an impressive low latency of 50 ms. Your Responsibilities: Architect and develop a diverse range of modules and components within a system that efficiently handles over 24 million queries per second with minimal latency. Optimize developed software focusing on response time and resource utilization. Guarantee the reliability and scalability of implemented solutions. Design performance and correctness tests for new system components. Evaluate new technologies for potential application in production environments. Construct tools for monitoring and analyzing production system operations. Continuously enhance existing tools and processes for improved efficiency.

Join our dynamic team at Alimentiv as an In-House Clinical Research Associate in Warsaw. In this role, you will be responsible for supporting clinical trial management, ensuring compliance with regulatory requirements, and collaborating with cross-functional teams to facilitate the successful execution of clinical studies.

Location: Poland (Remote/Flexible) About Us: RTB House is a pioneering global technology company that specializes in cutting-edge marketing solutions for leading brands and agencies around the world. Our innovative ad-buying engine is the first globally to leverage Deep Learning algorithms exclusively, empowering advertisers to achieve remarkable outcomes and fulfill their objectives at every level of the marketing funnel. We are in search of Senior Engineers to join our Bidding Platform team, which forms the backbone of our RTB operations, processing over 20 million requests per second to engage in real-time auctions and deliver advertisements to audiences across more than 90 countries. If you are eager to tackle technically intricate challenges and develop robust solutions, this role is tailored for you! Your Responsibilities: Architect and spearhead the implementation of system modifications to enhance performance, scalability, and observability for global ad display and tracking. Create tools and optimizations that yield measurable advancements in critical user performance metrics. Develop, test, deploy, monitor, and maintain HTTP/gRPC services and batch jobs in Java and Python, ensuring compliance with high engineering standards across all aspects, including setup, configuration coding, and production monitoring. Offer technical leadership: tackle complex system challenges, engage in project planning and scoping, and uphold the highest coding standards through active participation in code reviews.

As a Technical Leader in Data Engineering, you will play a pivotal role in:Overseeing the comprehensive delivery of projects across multiple teams, transforming strategic objectives into actionable roadmaps with defined milestones, effective risk management, and prompt decision-making.Creating and nurturing high-performance teams through effective coaching and established standards; proactively addressing conflicts and developing successors to alleviate key-person dependency.Acting as a reliable partner to clients—facilitating results-driven workshops, ensuring stakeholder alignment, negotiating project scope changes, and maintaining a prioritized backlog focused on delivering value.Driving commercial success by crafting proposals and Statements of Work (SOWs), making accurate estimates, monitoring margin, utilization, and forecasting accuracy, while identifying compliant and value-enhancing expansions.Providing architectural guidance and governance, thoroughly documenting trade-offs, and ensuring alignment with security, compliance, cost-effectiveness, and operational viability.Leading a team of skilled Data Engineers and Developers.Conducting technical evaluations of candidates.

Join Saily, where we are revolutionizing mobile connectivity while you travel with our service that eliminates roaming fees and the need for plastic SIM cards, providing seamless, secure mobile data in over 200 destinations worldwide. With millions of customers and countless travelers engaged with Saily at any time, we are committed to delivering the best mobile experience.Our AI-native Product Engineering culture is designed for innovation:The Engineer takes ownership, managing projects from concept through to production.AI Agents support engineers by handling coding and repetitive tasks, enhancing productivity.Every team member is encouraged to suggest improvements, fostering a culture of constant enhancement.We prioritize curiosity, learning, and sharing knowledge.The comfort and connectivity of our customers is always our primary focus.At Saily, we emphasize growth over comfort, contribution over hierarchy, and impact over process, providing our talented team with the autonomy and AI tools necessary to excel in their roles.

Nearmap Ltd. is seeking a Senior Data Engineer to join its Engineering & Technology group in Warsaw. This team develops and refines systems that help organizations make better use of location data. Role overview The Senior Data Engineer will design and build data solutions tailored to business needs. The position involves maintaining data quality, ensuring process integrity, and collaborating with teams across the company to deliver actionable insights. What you will do Create and implement data solutions that align with business goals Monitor and enhance data quality and the reliability of data processes Partner with teams throughout Nearmap to provide valuable insights from data Requirements This position requires strong experience in data engineering, a commitment to quality, and an interest in supporting projects that apply location data in innovative ways.

Join Complexio, where our innovative AI platform revolutionizes business processes by efficiently managing and comprehending extensive enterprise data—both structured and unstructured. Utilizing proprietary models, knowledge graphs, and orchestration layers, we streamline human-computer interactions and autonomously execute intricate workflows on a large scale.As a joint venture between Hafnia and Símbolo, alongside partners such as Marfin Management, C Transport Maritime, BW Epic Kosan, and Trans Sea Transport, Complexio is at the forefront of redefining enterprise productivity through context-aware, privacy-first automation.This project is dedicated to enhancing business operations through cutting-edge artificial intelligence and advanced technologies, enabling intelligent data handling and automated decision-making. Our solutions are built with modern, high-performance architectures to guarantee efficiency, security, and scalability.

Join Our Team as a Machine Learning EngineerRTB House is a pioneering global leader in marketing technology, renowned for delivering cutting-edge advertising solutions to prestigious brands and agencies across the globe. Our proprietary ad-buying engine, the first in the world to be solely powered by Deep Learning algorithms, empowers advertisers to achieve exceptional results and meet their goals at every stage of the marketing funnel.Established in 2012, RTB House operates in over 90 markets and thrives on a foundation of privacy and innovation, utilizing first-party data to craft impactful advertising experiences. Our suite of Deep Learning-driven AdTech products and solutions is designed to maximize conversions, enhance customer acquisition, foster engagement, and sustain long-term demand for our diverse clientele.

Join Nordsec as a Senior Backend Engineer and be a part of our innovative team in Warsaw. We are seeking a talented engineer experienced in Golang to help us build robust backend systems that power our applications. You will work closely with cross-functional teams to design, implement, and optimize backend services that deliver exceptional user experiences.

Join Fresha, a leading platform in the beauty and wellness industry, as a Senior IT Operations Engineer. In this pivotal role, you will oversee and enhance our IT operational processes, ensuring optimal performance and reliability for our B2B services. Collaborating with cross-functional teams, you will implement innovative solutions that drive efficiency and improve service delivery.

Empower Every Identity, from Artificial Intelligence to HumanAt Okta, we believe that identity is the crucial element in unleashing the full potential of AI technology. Our mission is to provide secure, trusted, and neutral infrastructure that allows organizations to confidently navigate the evolving landscape of identity management. We are driven by a commitment to solve intricate challenges that matter in the real world. We seek individuals who take ownership, act with urgency, and strive for excellence.Join us in making a significant impact in your career. If you share our passion for this mission, we want to hear from you.As a Senior Solutions Engineer within the Auth0 platform team, you will serve as a strategic technical expert, bridging the gap between software engineering and a strong inclination for identity and security. You possess the unique blend of technical expertise and business acumen, eager to leverage both to enhance revenue streams directly and through a dynamic partner ecosystem.In this role, you will act as a trusted advisor to customers and a network of strategic partners. Collaborating closely with our sales and alliances teams, you will demonstrate, design, and validate identity solutions that address complex challenges and directly contribute to our growth. Your ability to empathize with customers will enable you to quickly understand their true needs, architecting solutions that yield remarkable outcomes.This position is based in Warsaw, Poland, with remote work flexibility and a future transition to a hybrid office model anticipated (2-3 days per week).