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Senior Data Analyst

Job Overview

Location

Serbia

Job Type

Full-time

Category

Data Analyst

Date Posted

May 16, 2026

Full Job Description

📋 Description

  • Partner with Product Owners and Data Teams across marketing, billing, and product domains to align analytics strategy with business objectives.
  • Create, maintain, and improve dashboards and reports including Product Reports to enable data-driven decision-making across the organization.
  • Perform user behavior analysis and aha moment analysis to uncover key engagement patterns and improve product experience.
  • Analyze large datasets to identify trends, patterns, and actionable insights that maximize KPIs and drive product growth.
  • Design and conduct A/B tests and homogeneity tests to validate hypotheses and measure the impact of product changes.
  • Monitor key metrics across all business domains to ensure data accuracy, consistency, and real-time visibility.
  • Design and build robust, scalable data models using SQL to support reporting and analytical needs.
  • Translate complex data findings into clear, strategic recommendations for product, marketing, and leadership teams.
  • Give and receive actionable feedback from peers and the Leadership Team to continuously improve analytical processes and outcomes.
  • Own end-to-end data pipelines from extraction to visualization, ensuring data integrity and reliability across all analytical outputs.
  • Work with product analytics tools including Mixpanel, GA4, Amplitude, or similar to track user journeys and behavioral metrics.
  • Collaborate in a fast-paced, high-pressure environment where rapid iteration and data accuracy are critical to product success.
  • Adapt quickly to evolving data needs, new tools, and shifting priorities in a rapidly scaling consumer product.
  • Ensure all analyses are aligned with company goals and contribute directly to improving user acquisition, retention, and conversion.
  • Communicate findings effectively through verbal presentations and clear written summaries to stakeholders at all levels.
  • Work within the CET timezone (+/- 4 hours) to ensure seamless collaboration with cross-functional teams.
  • Maintain a strong focus on data quality, validation, and documentation to uphold the integrity of all analytical outputs.
  • Contribute to the development of benchmarks and standards for performance measurement across product and marketing channels.
  • Support subscription-based business analytics by analyzing cohort retention, churn, LTV, and MRR trends.
  • Engage in continuous learning to stay current with evolving data tools, methodologies, and industry best practices.
  • Participate in an iterative interview process including recruiter screening, technical assessment, and final leadership review.

Skills & Technologies

Python
Go
Ruby
GCP
Git
Senior
Remote

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Ruby Labs Ltd.
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About Ruby Labs Ltd.

Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.

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