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Junior Data Analyst (part-time)

PianoBratislava, SlovakiaHybrid

Piano Overview
Piano’s Digital Experience Cloud empowers organizations to understand and influence customer behavior. By unifying customer data, analyzing behavior metrics and creating personalized customer journeys, Piano helps brands launch campaigns and products faster, strengthen customer engagement and drive personalization at scale from a single platform. Headquartered in Amsterdam with offices across the Americas, Europe and Asia Pacific, Piano serves a global client base, including Air France, the BBC, CBS, Kirin Holdings, Jaguar Land Rover and more.

Piano has been recognized as one of the fastest-growing, most innovative technology companies in the world by the World Economic Forum, Red Herring, Inc. and Deloitte. For more information, visit piano.io.Position OverviewAs a Junior Data Analyst at Piano, you will play a key role in helping clients unlock the value of their data. This entry-level position is ideal for students or early-career professionals with strong analytical skills and a foundational knowledge of SQL or similar programming languages. You will support clients by uncovering trends in user behavior, revenue, and conversion metrics and transforming raw data into actionable insights.This role offers the opportunity to work closely with experienced analysts, contribute to long-term research projects, and develop your skills within a global, data-driven team.

The ideal candidate is curious, detail-oriented, and eager to grow in a fast-paced, entrepreneurial environment.Key Responsibilities

  • Data Collection and Preprocessing: Assist in gathering data from various sources and ensure its quality and integrity by performing cleaning and preprocessing tasks.

  • Data Analysis: Perform basic statistical analysis and generate insightful reports to support decision-making.

  • Data Visualization: Create clear and effective data visualizations and dashboards to communicate findings to stakeholders.

  • Support Senior Analysts: Work under the guidance of senior data analysts or data scientists, providing support for ongoing projects and tasks.

  • Database Management: Learn and use database management tools to extract and manage data efficiently.

  • Collaboration: Work with cross-functional teams to understand business needs and translate them into data analytical tasks. 

  • Learning and Development: Continuously seek to upgrade skills and knowledge in data analytics through training and professional development.

  • Tool Proficiency: Utilize data analysis tools and software such as Excel, SQL, Python, or R to perform data tasks.

  • Documentation:Maintain clear and organized records of methodologies, processes, and findings for future reference. 

  • Problem Solving:Assist in identifying trends, patterns, and anomalies in data and offer insights for improvement.

We are looking for candidates to meet the following requirements:

  • Recent graduate or early-career professional with relevant academic background

  • Strong analytical thinking and attention to detail

  • Basic knowledge of SQL or another data-related programming language

  • Fluent English communication skills (C1), both written and verbal

  • Strong organizational skills and the ability to work independently

  • Team-oriented mindset with an eagerness to learn and grow

Preferred but not required:

  • Experience working with large datasets or in a reporting/BI environment

  • Familiarity with Python or R for data analysis

  • Exposure to Business Intelligence or SaaS analytics tools

Perks at Piano:

  • Part-time position (20h/week) in our Bratislava office

  • International team with an informal and inclusive culture

  • Subsidized language courses and professional development support

  • Laptop provided and occasional home office flexibility

  • Paid sick days and Multisport card

  • Access to cutting-edge analytics tools and mentorship from senior experts

  • Grill parties on our company terrace and monthly team events

  • Easy-going work atmosphere with a relaxed dress code

  • Referral bonuses and opportunities for internal mobility


Life at Piano

Piano is a fast-growing enterprise SaaS company headquartered in New York City. Our award-winning software powers hundreds of leading media websites including GateHouse, Business Insider, Grupo Abril, NBC, Condé Nast, Bloomberg, The Economist, and Hearst — enabling them to analyze user behavior and take action via customized digital experiences to maximize revenue. For more information, visit www.piano.io.
Thrive Here & What We Value1. Exciting Tasks and Space for Ideas2. Collaborative and Agile Working Culture with Direct Communication3. Flexible Mobile Working Options4. Vibrant Team Culture Locally and Globally5. Extra Budget and 3 Days of Paid Exemption for Personal Development6. Monetary Amenities (Stock Options, JobticketSponsoring)7. Fastgrowing and Innovative Technology Company8. Global Client Base with Headquarters in Amsterdam9. Regular Team Events and New Office in Berlin's Bermannkiez
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