Data Scientist

Qualysoft

. Conduct detailed analyses of customer, marketing, and onsite data using SQL and Python to optimize operational management of marketing campaigns .

Posted 11/9/2026full-timeBucharest • RomaniaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing analytical models using machine learning algorithms and statistical methods to derive insights from customer and marketing data. Proficient in SQL and Python, with experience in GCP technologies and digital marketing strategies.

Highest-signal resume keywords

Machine Learning AlgorithmsSQLPythonGCP TechnologiesDigital Marketing Strategies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Analytical ModelsStatistical MethodsTime-Series AnalysisNLPDeep LearningMarketing Mix ModellingBidding OptimizationsSelf-Service BI SolutionsOnsite TrackingMarketing Automation Tools

Soft Skills

CollaborationCuriosityProactive MindsetCommitment to QualityFlexibility

Tools & Technologies

Google AnalyticsBigQueryGoogle AI Platform

Industry Keywords

Digital MarketingCustomer InsightsMarketing CampaignsOperational Management

Tech Stack

Tools & technologies

BigQueryGoogle Cloud PlatformOpen SourcePythonSQL

About the role

Key responsibilities & impact

Conduct detailed analyses of customer, marketing, and onsite data using SQL and Python to optimize operational management of marketing campaigns
Take end-to-end ownership of analytical projects, from initial data analysis and preparation through model evaluation and automated delivery of findings
Expand and optimize Data Science use cases, such as marketing mix modelling and bidding optimizations, using open source technologies
Develop and provide self-service BI solutions tailored to marketing requirements and customer attributes

Requirements

What you’ll need

Several years of professional experience developing analytical models using machine learning algorithms to derive customer and marketing insights
Broad interest in modelling approaches such as time-series analysis, NLP, or deep learning
Excellent proficiency in at least one programming language, preferably Python
Practical application of statistical methods
Experience with GCP technologies such as BigQuery and Google AI Platform is a strong asset
Experience in onsite tracking, e.g., Google Analytics
Experience in online marketing and understanding of digital marketing strategies and metrics
Experience with marketing automation tools and CRM systems
Agile and open mindset, commitment to quality, flexibility, and proactive, hands-on mentality
Ability to collaborate with diverse teams and curiosity for new technologies and analytical methods

Benefits

Comp & perks

Premium medical package
Lunch Tickets & Pluxee Card
Bookster subscription
13th salary/yearly bonuses
Enterprise job security with a startup mentality (diverse & engaging environment, international exposure, flat hierarchy) under the stability of a secure multinational
A supportive culture (we value ownership, autonomy, and healthy work-life balance) with great colleagues, team events and activities
Flexible working program and openness to remote work
Collaborative mindset – employees shape their own benefits, tools, team events and internal practices
Diverse opportunities in Software Development with international exposure
Flexibility to choose projects aligned with your career path and technical goals
Access to leading learning platforms, courses, and certifications (Pluralsight, Udemy, Microsoft, Google Cloud)
Career growth & learning – mentorship programs, certifications, professional development opportunities, and above-market salary