Senior Data Scientist

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August 26

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Leadtech Group

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B2B • SaaS • eCommerce

Leadtech Group is a company that excels in transforming ideas into successful online projects with a focus on creativity, diversity, and fast-paced development. With their headquarters in Barcelona, Spain, Leadtech specializes in numerous online services including UX design, SEO, SEM, social media management, content creation, customer service, project management, and system administration. The company is known for its dynamic and diverse team of fun-loving, hard-working professionals who aim to exceed contemporary standards by leveraging the connectivity of the internet to enhance user experiences. Leadtech is committed to providing innovative solutions and seeks to continuously grow and achieve success by embracing a pioneering mindset.

201 - 500 employees

Founded 2009

🤝 B2B

☁️ SaaS

🛍️ eCommerce

📋 Description

• Develop and integrate predictive Lifetime Value (pLTV) models specifically for subscription applications. • Deliver actionable insights to drive business growth and inform product and marketing decisions. • Collaborate across engineering, data, product, and marketing teams to ensure data availability and model deployment. • Validate, monitor, and continuously refine model performance; design and run A/B tests and experiments. • Communicate findings clearly to technical and non-technical stakeholders and pursue research and innovation in LTV modeling. • Join Leadtech, a digital products company (800+ team members, global reach) focused on user-centric web and mobile experiences; flexible remote or Barcelona office options.

🎯 Requirements

• Design, develop, and implement advanced pLTV models for subscription applications using machine learning and statistical methods. • Collaborate with data engineers to acquire, clean, and prepare data from subscription apps for model development and maintenance. • Rigorously validate model performance, assess accuracy, and continuously refine models based on new data and business needs. • Integrate pLTV models with engineering, product, and marketing teams to deploy into existing systems and workflows. • Establish and maintain monitoring mechanisms to track model performance and ensure long-term accuracy. • Design and execute A/B tests and experiments to evaluate pLTV-driven strategies. • Communicate complex analytical findings and model insights to technical and non-technical stakeholders. • Stay up to date with advancements in data science, machine learning, and LTV modeling to drive innovation. • Education: Master's or Ph.D. in Data Science, Statistics, Computer Science, Mathematics, or related quantitative field. • Experience: 3+ years in data science with proven track record developing and deploying predictive models in production, preferably in subscription businesses. • Technical skills: Proficiency in Python and/or R; strong SQL skills; solid understanding of ML algorithms (regression, shifted beta geometric, classification, time series, retentioneering, deep learning, beta geom regression, etc.). • Plus: Experience with big data technologies (PySpark, Spark) and familiarity with cloud platforms (GCP, BigQuery). • Domain knowledge: Deep understanding of customer lifetime value concepts, subscription business data characteristics, and A/B testing frameworks. • Soft skills: Excellent problem-solving, strong communication and presentation abilities, ability to work independently and collaboratively, detail-oriented.

🏖️ Benefits

• Growth and career development: At Leadtech, we prioritize your growth with personalized internal training and an annual budget for external learning opportunities. • Work-Life balance: Flexible schedule with flextime (7 - 9:30 a.m. start, 3:30 - 6 p.m. end); option to work fully remote or from the Barcelona office; free Friday afternoons with a 7-hour workday; 35-hour workweek in July and August. • Comprehensive benefits: Competitive salary, full-time permanent contract, top-tier private health insurance (including dental and psychological services). • Time off: 25 days of vacation plus your birthday off, with flexible vacation options—no blackout days. • Unique perks: Barcelona office with free coffee, fresh fruit, snacks, game room, rooftop terrace. • Additional benefits: Ticket restaurant and nursery vouchers paid from gross salary. • Flexible location: Ability to choose office attendance frequency or work fully remote.