BI Developer
Etraveli Group is a leading global flight technology provider, specializing in flight sales and offering flight content delivery and fintech products. We are here to solve complexity, by connecting millions of flights and travelers across the globe, from search and selection to trip and beyond.
We partner with major global platforms such as Booking.com, Google Flights, Skyscanner, and Kayak, providing seamless flight booking and related services. Our B2B portfolio includesPrecision, our specialist in travel fintech;Tripstack, our B2B Flights as a Service Provider and world leader in virtual interlining, serving as the gateway to Etraveli Group’s flight content and fulfillment services;Wenrix, the AI Infrastructure for profitable growth in air; and Flygresor.se, Sweden’s leading flight comparison site. We also operate our own online travel agency brands including Gotogate, Mytrip, and Flightnetwork.
Every day we strive to make the world smaller for our customers and bigger for our people. Our diverse team of more than 3200 passionate professionals is what makes us the industry’s tech wonder and the best in the world at what we do.
Major offices in Sweden (HQ), Greece, India, Canada, Israel, Poland, UK, and Uruguay.
The Role
We are looking for the next Business Intelligence Developer to join our BI team in Athens. In this role, you will sit dynamically between a junior and senior level, serving as a core technical driver for our data initiatives. You will join our BI team to design, build, and maintain robust ETL flows and high-performing analytics applications. While our current ecosystem is built on Qlik Sense and Looker, we prioritize strong foundational skills in handling data with code over platform-specific experience - we will fully support your onboarding onto our stack. This position requires a strong balance of business acumen and technical data engineering skills. You will maintain direct collaboration with cross-functional departments acting as stakeholders, while also coaching and sharing your experience with junior members of the team.
What you will do
Application Development: Build, maintain, and optimize intuitive business intelligence applications, actively learning and leveraging Qlik Sense and Looker to drive data-driven decision-making across the organization.
Data Modeling & ETL: Design and implement performant data models, information engineering processes, and complex ETL flows to support underlying applications.
SQL Optimization: Write, debug, and optimize advanced SQL queries to handle complex data extractions and transformations across diverse database technologies.
AI Tool Integration: Leverage modern AI-assisted development tools to accelerate scripting, optimize query performance, and automate data documentation workflows.
Stakeholder Collaboration: Partner directly with business stakeholders to translate complex commercial questions into clear data requirements and actionable KPIs.
System Optimization: Monitor, troubleshoot, and optimize application reloads to ensure stability, performance, and predictability from an end-user perspective.
Version Control: Manage environment codebases and team collaboration using Git version control architectures.
Mentorship: Actively coach, support, and share best practices with junior developers within the BI ecosystem.
Technical Ownership: Challenge current ways of working and assume technical responsibility for specific BI platforms, including monitoring and feature adoption.
Requirements
Technical Skills & Experience
Core Data Experience: ~3+ years of experience transforming complex datasets, writing logic, and handling data programmatically (e.g., Advanced SQL, Python, or script-heavy BI environments).
Eagerness to Learn: Strong desire and adaptability to quickly master Qlik Sense and Looker. Prior experience with any BI platform (Power BI, Tableau, etc.) is a plus.
SQL Proficiency: Excellent capabilities in writing, tuning, and structuring complex SQL scripts for data handling and manipulation.
Data Warehousing & Transformation: Hands-on experience or foundational knowledge of Dremio and dbt will be considered a major asset.
AI Proficiency: Demonstrated ability or strong familiarity with utilizing AI tools to streamline development cycles, troubleshoot logic, and enhance overall data engineering productivity.
Version Control: Solid understanding of repository management and branching strategies via Git.
Background: University degree in a quantitative field such as Economics, Statistics, Engineering, Computer Science, or a related discipline.
Soft Skills
Communication: Strong communication skills with an excellent command of spoken and written English to manage stakeholder relationships effectively.
Mindset: Highly curious, methodical, ambitious, and thorough in data verification and problem-solving.
Autonomy: Proven ability to independently evaluate, prioritize, and execute tasks while delivering high-quality work in a fast-moving business.
Adaptability: Eager to learn complex, sometimes loosely documented data structures and quickly adapt to evolving business needs.
Benefits
We are looking for people who would make the world smaller for travelers but want a bigger world of opportunities for themselves. With us you can enjoy:
Hybrid working environment - having the opportunity to work both remotely and at the office enabling you flexibility! #LI-Hybrid
Health Benefits - Through partners we offer a private health insurance plan. We also offer the possibility to use 2 extra medical leave days in case of need.
Monthly ticket restaurant card - to spend in one of the thousands of affiliated restaurants, cafes, stores or supermarkets across Greece.
Office in the City - We sit on bright, large floors (over 4000㎡!) in central Athens. Just a short walk from the Ambelokipi Metro station.
Growth - We believe in personal development and continuous education, thus we offer the opportunity of role-related training on tools and best practices.
We also like to schedule company/department/team activities and events outside the office space!
We have a relaxed & fun work environment where you can enjoy free breakfast coffee/tea, playing ping pong or video games.
Why Join Us?
You’ll work on a core product that shapes the travel experience of millions of users worldwide, in a dynamic and evolving industry. You'll work with a passionate team dedicated to excellence, be a key player in shaping our flight content strategy, influence partners, and grow in a supportive environment that values innovation. If you're ready to elevate your career and make a real difference in the world of travel, apply now and become a vital part of our mission to be the best in the business!
Diversity disclaimer
At Etraveli Group we value diversity; we pride ourselves on being a company represented by people of all different backgrounds. During hiring, we are committed to ensure equality and promote diversity in the workplace at every selection stage. As such, we provide the same opportunities for all candidates regardless of race, religion or belief, gender, nationality, ethnicity, sexual orientation, age, marital status, disability, or any other characteristic protected under any anti-discrimination law or regulation.