Join Sigma Software’s AdTech Business Unit and shape the architecture of advanced advertising technology platforms powering large-scale digital ecosystems worldwide.We are looking for a Software Architect with deep expertise in distributed systems, cloud-native architectures, and high-load platforms. You will drive architectural decisions, design scalable and resilient solutions, and influence the technical direction of complex AdTech products.Since 2008, the AdTech Business Unit has partnered with established industry leaders and innovative startups across the programmatic advertising ecosystem, covering SSPs, DSPs, RTB infrastructure, analytics, identity frameworks, and privacy-first solutions. At Sigma Software, you will work alongside experienced AdTech professionals, contribute to strategic architecture and pre-sales initiatives, and help shape next-generation advertising technology by leveraging the unit’s strong expertise in AI-driven solutions.PROJECTYou will join Stellar, Sigma Software’s dedicated AdTech Business Unit, where over 300 experts collaborate with general companies and innovative startups to create advanced advertising technology solutions. In this role, you will focus on designing scalable AdTech architectures, driving technical strategy, and supporting business growth while working closely with engineering teams, Customers, and business stakeholders.We at Sigma Software offer the opportunity to work with international Customers, influence the technical direction of complex AdTech platforms, and become part of a strong professional community with deep expertise in programmatic advertising, distributed systems, and cloud-native technologies.



Remote or hybrid cooperation format can be discussed depending on your location.Job DescriptionDefine and drive the architecture of scalable AdTech solutions and distributed cloud platforms across multiple initiativesOwn architectural decisions and define technical direction aligned with business objectives and long-term product strategyLead technical discovery, architecture assessments, and solution design activitiesTranslate complex business requirements into scalable, secure, and future-proof technical solutionsDrive technical pre-sales activities, including customer presentations, architecture workshops, solution proposals, estimations, and Proofs of Concept (PoCs)Showcase Sigma Software’s AdTech expertise to prospective clients and support new business opportunitiesIdentify opportunities to expand existing customer engagements through technology consulting and architecture advisoryEstablish architectural standards, governance principles, and engineering best practices across projectsGuide engineering teams on architecture implementation, scalability, performance optimization, and distributed systems designEvaluate emerging technologies, including AI-driven solutions, and recommend innovative approachesMentor engineers and support technical knowledge sharing across teamsQualificationsAt least 7 years of commercial software development experienceMinimum 3 years of experience in architecture or technical leadership rolesStrong hands-on expertise in at least two of the following technologies: Golang, Rust, Node.Js,



C++Proven experience designing high-load, low-latency distributed systems and cloud-native architecturesStrong understanding of microservices architecture, messaging systems, caching, and API design principlesHands-on experience with Docker, Kubernetes, Helm, and etc.Production environments on AWS, GCP, or AzureExperience with REST APIs, gRPC, WebSockets, and event streaming technologies such as Kafka, Kinesis, or Pub/SubExperience participating in customer-facing technical consulting and pre-sales activitiesStrong communication, presentation, and stakeholder management skillsAbility to work independently and drive technical initiatives in fast-paced environmentsAt least an Upper-Intermediate level of EnglishWOULD BE A PLUSCommercial experience in the AdTech domainKnowledge of programmatic advertising ecosystems, including SSPs, DSPs, AdServers, Header Bidding, OpenRTB, Prebid, and VASTUnderstanding of Real-Time Bidding systems and auction mechanicsExperience with mobile advertising ecosystems for iOS and AndroidFamiliarity with advertising analytics, fraud detection, consent management, and real-time data processing solutionsUnderstanding of GDPR, CCPA, and privacy-first architecturesAdditional InformationPERSONAL PROFILEStrong architectural thinking and ability to see the bigger technical pictureExcellent communication and presentation skills with the ability to explain complex technical concepts to different audiencesStrong ownership mindset with a proactive and solution-oriented approachCustomer-oriented mindset and ability to build trusted relationships with stakeholdersLeadership and mentoring skills with a focus on knowledge sharing and team developmentCollaborative, adaptable, and quality-focused approach#J-18808-Ljbffr

📌 Software Architect (Adtech) (Madrid)
🏢 Sigma Software
📍 Madrid