
Published: Thu, 28 Aug 2025 00:50:46 GMT
Position: Senior Data Scientist
Company Overview:
Leadtech is a global digital company that has been revolutionizing online businesses since 2009. With a diverse team of over 800 members from 23+ nationalities, we specialize in delivering user-centric experiences across web and mobile platforms. Our mission is to empower clients and employees to achieve their goals in the online business world.
We are currently seeking a highly skilled and experienced Senior Data Scientist to join our team. In this role, you will be responsible for developing and integrating a predictive Lifetime Value (pLTV) model specifically for our subscription applications. We are looking for someone with a strong understanding of statistical modeling, machine learning, and data engineering principles, who can deliver actionable insights to drive business growth.
Job Responsibilities:
– Design, develop, and implement advanced pLTV models for subscription applications, utilizing various machine learning techniques and statistical methodologies.
– Collaborate with data engineers to ensure the availability of clean, reliable, and relevant data for model development and ongoing maintenance.
– Rigorously validate model performance, assess accuracy, and continuously refine models based on new data and business requirements.
– Work closely with engineering, product, and marketing teams to seamlessly integrate the pLTV model into existing systems and workflows.
– Establish and maintain robust monitoring mechanisms to track model performance, identify potential issues, and ensure long-term accuracy.
– Design and execute A/B tests to evaluate the impact of pLTV-driven strategies and optimizations.
– Clearly communicate complex analytical findings, model insights, and recommendations to both technical and non-technical stakeholders.
– Stay abreast of the latest advancements in data science, machine learning, and LTV modeling, and proactively identify opportunities for innovation.
Qualifications:
– Master’s or Ph.D. in Data Science, Statistics, Computer Science, Mathematics, or a related quantitative field.
– 3+ years of experience in data science, with a proven track record of developing and deploying predictive models in a production environment, specifically with subscription-based businesses.
– Proficiency in Python and/or R.
– Strong experience with SQL for data extraction and manipulation.
– Solid understanding of machine learning algorithms (e.g., regression, shifted beta geometric, classification, time series analysis, retentioneering, deep learning, beta geom regression, and others).
– Experience with big data technologies (e.g., PySpark, Spark) is a plus.
– Familiarity with cloud platforms (e.g., GCP, BigQuery) for data science workflows.
– Deep understanding of customer lifetime value (LTV) concepts and methodologies.
– Experience working with subscription-based business models and their unique data characteristics.
– Familiarity with A/B testing frameworks and experimental design.
– Excellent problem-solving and analytical skills.
– Strong communication and presentation abilities.
– Ability to work independently and collaboratively in a fast-paced environment.
– Detail-oriented with a commitment to data accuracy and model integrity.
Why Should You Join Us?
– Growth and career development: At Leadtech, we prioritize your growth and offer a flexible career path with personalized internal training and an annual budget for external learning opportunities.
– Work-life balance: We offer a flexible schedule with flextime and the option to work fully remote or from our Barcelona office. We also have free Friday afternoons and a 35-hour workweek in July and August.
– Comprehensive benefits: We offer a competitive salary, full-time permanent contract, and top-tier private health insurance. You’ll also get 25 days of vacation plus your birthday off, with flexible vacation options.
– Unique perks: Our office in Barcelona is complete with free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning Mediterranean views. We also offer ticket restaurant and nursery vouchers.
– Equal Employment Opportunity Employer: Leadtech is an equal employment opportunity employer and welcomes applicants from diverse backgrounds, interests, and personal circumstances.
– 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.
About the Company:
At Leadtech, we work hard and play harder! Our team of over 750 passionate professionals from 15+ languages work together to analyze, socialize, write, code, design, calculate, decide, collaborate, generate, engage, program, and create. With a modern approach to company culture, we value diversity, flexibility, and an active work-play balance. Join us in an environment where you’re free to innovate, learn, and grow alongside passionate professionals. Apply link