Senior Distributed Systems Engineer - Bidding Platform

Back to jobs Senior Distributed Systems Engineer - Bidding Platform Warsaw, Masovian Voivodeship, Poland Apply Location: Poland (Remote/Flexible) We Are: RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. We are looking for Senior Engineers to support our Bidding Platform organization which is the core of the RTB business, processing over 20 million requests per second to participate in real-time auctions and display advertisements to customers from 90+ countries. If you want to work on technically complex and demanding solutions, this is the opportunity for you! You will: Design and lead implementation of system changes that deliver high performance, scalability and observability for displaying and tracking ads world wide. Develop tools and optimizations to drive measurable improvements in critical user performance metrics. Implement, test, deploy, monitor and maintain (in all aspects, including setting up environment, writing configuration code, monitor production) HTTP / gRPC services and batch jobs in Java and Python, ensuring adherence to the high engineering standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning and scoping of projects, and ensuring the implementation of the highest coding standards through participation in code reviews. Requirements: Excellent understanding of how complex IT systems work - from the hardware level, through software, to algorithms. Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others). Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to geo-distributed clusters level). Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it). The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production). General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability'. C1 level in English and Polish. Nice to have: Experience in the AdTech/Real Time Bidding space. Experience contributing to Real User Monitoring (RUM) systems. Selected technologies used: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch Kubernetes, Prometheus Jenkins, Graphite We Offer: Projects focused on extreme performance and high code quality – solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses). Flexible working conditions – no core hours, fully remote cooperation possible. Apply now You don't need to tick every box to apply. If you are passionate about software engineering, send us your CV, and we'll review it. Apply for this job * indicates a required field First Name* Last Name* Email* Phone Country Phone Resume/CV* Attach Attach Dropbox Google Drive Enter manually Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile Do you have the right to work in the location in which this role is based?* Select... Country* Select... Current Company* Current Job Title * Data Privacy Notice * Select... Dear Candidate, When you apply to a job on this site, the personal data contained in your application will be processed by the company of the RTB House corporate group for which a given recruitment process is conducted. For details, please click on the relevant link below based on the localization of the entity publishing the job post. List of the entities: Poland Czech Republic, Romania, Bulgaria, Slovakia, Hungary Ukraine APAC: Australia, Singapore, Vietnam, Thailand, China, Hong Kong, Indonesia, Philippines Nordics: Sweden, Norway, Finland, Denmark UK Germany France Brazil Benelux Turkey Japan USA United Arab Emirates, MEA, Israel Cyprus Argentina, Mexico Spain, Portugal Italy South Korea Taiwan Saudi Arabia India By clicking the “Acknowledged” button you confirm that you have read our Recruitment Privacy Notice. Submit application