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Senior Data Analyst at BidMachine. . Location: Barcelona, Spain. BidMachine Exchange. – a fast-growing global programmatic exchange built for the future of in-app advertising.. . As part of the Appodeal ecosystem, BidMachine operates with a strong US foundation and an international presence, with teams across Warsaw, Barcelona, Parkland (FL), and remote experts around the world.. We combine deep AdTech expertise, proprietary technology, and a data-driven mindset to deliver transparency, performance, and efficiency in the mobile advertising ecosystem.. Why BidMachine?. At BidMachine, we are building more than an exchange — we are shaping the infrastructure that powers fair, efficient, and scalable in-app programmatic advertising.. Our mission is to create a high-performance marketplace where publishers maximize value and advertisers access premium inventory with full transparency and control.. We are proud of our technology, our ambitious vision, and our globally distributed team of talented professionals who continuously raise the bar in AdTech.. . Here’s what we value, and what we hope you do too:. . Ownership & Accountability. We move fast, take responsibility, and think like builders. Every team member has a direct impact on product growth and market success.. . Data-Informed Excellence. We leverage data to make smarter decisions, optimize performance, and build scalable solutions that deliver measurable results.. . Innovation & Technical Depth. We solve complex programmatic challenges with cutting-edge technology and a deep understanding of the ecosystem.. . Global Collaboration. We work across cultures, time zones, and disciplines — united by shared goals and high standards.. . Ambition & Impact. We are here to build something significant — a best-in-class exchange that competes with the strongest players in the market.. As a . Senior Data Analyst. , you will play a key role in analyzing advertising data and developing insights to optimize our platform's performance. . You will work closely with the . Data Analyst Team Lead. to implement data strategies and mentor junior team members.. . Responsibilities:. . . Independently identify and execute high-impact data analysis projects.. . Mentor junior analysts and provide technical guidance on projects.. . Design and implement A/B tests for marketing, app monetization, and product features.. . Create and maintain dashboards for monitoring key advertising metrics.. . Develop automated reporting solutions and data pipelines.. . Collaborate with cross-functional teams to identify and solve business challenges.. . Support data infrastructure improvements and maintenance.. . Lead A/B testing (marketing, app monetization, product testing).. . . Requirements:. . . 4+ years of experience in data analysis, preferably in Ad tech.. . Strong proficiency in Python, SQL, and data visualization tools.. . Experience in A/B testing and statistical analysis.. . Strong problem-solving and analytical skills.. . Excellent communication skills and ability to present findings to stakeholders.. . Demonstrated ability to work independently and make data-driven decisions.. . Bachelor's degree in Computer Science, Data Science, Statistics, or related field.. . . Nice to have:. . . Experience with cloud platforms (AWS) and data tools (Databricks, Grafana, Elasticsearch, Kibana).. . Solid understanding of ad tech metrics and OpenRTB protocol.. . With a powerful product, strong market positioning, and a team that strives for excellence, BidMachine offers a unique opportunity to grow, innovate, and make a tangible impact in the programmatic advertising space.. . Build the future of mobile AdTech with us!