Project Manager (AdTech) at Sigma Software in Warsaw, Mazovia, Poland

companyDescription Are you ready to take ownership of impactful initiatives that shape the future of our company and deliver real value to global industries? We are looking for a Senior Project Manager with proven experience in technology-focused project management to coordinate complex, multi-team initiatives and ensure successful outcomes. In this role, you will collaborate closely with engineering, product, and customer success teams, driving projects from concept to completion. At Sigma Software, we value expertise, collaboration, and continuous improvement, creating an environment where your ideas are heard and your contributions make a difference. Why join us? You will be part of a culture that empowers your career, offers professional growth opportunities, and provides access to cutting-edge projects, modern tools, and a supportive international community. jobDescription Develop detailed project plans in collaboration with engineering leadership, including resource allocation and budget planning Coordinate, track, and deliver technical projects spanning multiple teams (engineering, product, threat intelligence, detection, customer success) Facilitate all Scrum ceremonies and Agile events to maintain team productivity and cohesion Ensure projects are delivered according to scope, schedule, budget, and quality standards Plan, manage, and monitor project execution; ensure on-time delivery within allocated budgets Conduct project risk analysis, proactively track and communicate risks to stakeholders and customers Create and maintain transparent, easy-to-read project documentation and reports Establish and continuously improve project management best practices, including tools, templates, and rules of engagement Drive change and efficiency in collaboration with internal and external partners Be a resource and people manager: participate in hiring planning with Recruiting, support onboarding, and ensure professional growth of team members Drive continuous improvements within the Competence Center, contribute to PMO activities and PM training initiatives, and share lessons learned and best practices to enhance project lifecycle efficiency Contribute to project lifecycle improvement through lessons learned and best‑practice sharing qualifications 4+ years of commercial experience in Project Management with a technology focus Strong organzational skills and ability to manage complex, cross-functional projects Strong sense of ownership and accountability. Solid experience with SDLC methodologies (Agile, Scrum, Waterfall) Proven track record in setting up Scrum processes and coaching teams Strong knowledge of project management tools and processes (planning, estimation, monitoring, risk management) Hands-on experience with technical requirements management Expert-level knowledge of Jira and Confluence configuration Practical experience with BI tools Upper-Intermediate English or higher WILL BE A PLUS: Experience in the AdTech domain Scrum Master and/or Product Owner certification Basic knowledge of SQL additionalInformation PERSONAL PROFILE: Skilled at fostering collaboration across diverse teams Experienced in coaching teams and driving maturity Capable of implementing structured processes that deliver measurable results Committed to continuous improvement and knowledge sharing