Senior BI Developer - Mobile Apps

We are seeking a highly skilled and experienced BI Developer with Tableau and Looker experience to join our growing team. The ideal candidate will be responsible for designing, developing, and maintaining interactive and insightful dashboards and reports. This role requires a strong understanding of data visualization best practices, data modeling, and business intelligence concepts. Key responsibilities: • Design, develop, and maintain interactive dashboards and reports that meet business requirements. • Connect to various data sources, perform data extraction, transformation, and loading (ETL) operations. • Collaborate with stakeholders to understand business needs and translate them into technical specifications. • Optimize Tableau dashboards for performance and scalability. • Develop and enforce data visualization and dashboard design best practices. • Provide training and support to end-users on Tableau/Looker dashboards and reports. • Participate in data governance and data quality initiatives. • Stay up-to-date with the latest Tableau features and industry trends. Required skills: • 5+ years of experience as a Tableau BI Developer or with other BI Tools. • 2+ years of experience in mobile application analysis • Proven experience in designing and developing complex Tableau dashboards and reports. • Strong understanding of data warehousing, ETL processes, and data modeling concepts. • Proficiency in SQL for data querying and manipulation. • Experience with various data sources, including relational databases, cloud platforms, and flat files. • Excellent communication, analytical, and problem-solving skills. • Ability to work independently and as part of a team. Desirable skills: • Experience with other BI tools (e.g., Looker, Power BI, QlikView). • Knowledge of scripting languages (e.g., ,SQL ,Python) for data analysis. • Experience with cloud data platforms (e.g.,GCP , BigQuery, Databricks). • Certification in Tableau Desktop or Server. Benefits WHY LEADTECH • Diversified app portfolio with millions of active users in a high-growth non-gaming vertical. • Mature data infrastructure: BigQuery, Looker, AppsFlyer, and a proprietary analytics stack for fast decision-making. • Experimentation culture: real autonomy to propose and ship changes in production. • International team, dynamic environment, and the opportunity for direct P&L impact. • Competitive compensation package + benefits (flexible hours, health insurance, training). Growth and career development • At Leadtech, we prioritize your growth. Enjoy a flexible career path with personalized internal training and an annual budget for external learning opportunities. Work-Life balance • Benefit from a flexible schedule with flextime and the option of working full remote or from our Barcelona office. Enjoy free Friday afternoons with a 7-hour workday, plus a 35-hour workweek in July and August so you can savor summer! Comprehensive benefits • Competitive salary, full-time permanent contract, and top-tier private health insurance (including dental and psychological services). • 25 days of vacation plus your birthday off, with flexible vacation options—no blackout days! Unique Perks • If you wish to come, in our office in Barcelona you’ll find it complete with free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning Mediterranean views. • Additional benefits include ticket restaurant and nursery vouchers, paid directly from your gross salary. • Join us in an environment where you’re free to innovate, learn, and grow alongside passionate professionals. At Leadtech, you’ll tackle exciting challenges and be part of a vibrant team dedicated to delivering exceptional user experiences Sounds good? Apply now! We’re looking forward to getting to know you. Equal Employment Opportunity Employer: Leadtech is an Equal Employment Opportunity (EEO) Employer, which means we encourage applications from people with different backgrounds, interests, and personal circumstances. Our team welcomes applicants regardless of their race, gender, age, religion, nationality, sexual orientation, gender identity, gender expressión and/or disabilities. All we need is your high energy, skills, and willingness to be a part of a great project! Location You'll have the flexibility to choose whether you'd like to come to the office every day, from time to time, or work fully remote. We want you to find the best combination for you. If you prefer to be surrounded with amazing people, our exceptional office is in Barcelona’s Blue Building, located right on the city's seafront. Besides our stunning views, you’ll enjoy our office perks such as free fruit, snacks, and coffee and you’ll also be able to take part in our Mario Kart and table tennis competitions. The personal data you provide will be processed in order to manage your candidacy for the corporate selection processes that fit your profile. If you wish, you can exercise your rights of access, rectification or cancellation by writing to our address (Avenida Litoral, 12-14, 5ta planta. Barcelona. 08005) or to the email address #LeadtechOpportunity