Backend Engineer
BI Developer
Athens
Apply on the employer's siteRole description
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 includes Precision, 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 an experienced Business Intelligence Developer to join our BI team in Athens. In this role, you will help shape how data is used across the organization by building reliable, high-performing analytics solutions and enabling better, faster decision-making.
You will work at the intersection of data engineering and business analysis—developing BI applications, improving data models, and collaborating closely with stakeholders across the business. This is a hands-on role where you will also support and mentor junior team members while contributing to technical improvements across our BI landscape.
What you will do
- Build BI solutions: Develop, maintain, and enhance dashboards and applications using Qlik Sense and Looker to support business decision-making.
- Design data models & ETL flows: Create efficient, scalable data models and ETL processes that ensure reliable and well-structured data.
- Work with SQL: Write and optimize advanced SQL queries to transform and extract data from multiple sources.
- Collaborate with stakeholders: Translate business questions into clear data requirements and meaningful KPIs.
- Improve performance & reliability: Monitor and optimize data loads, refresh processes, and overall system performance.
- Support modern tooling: Use AI-assisted tools to improve development speed, query optimization, and documentation.
- Work with version control: Manage and maintain codebases using Git, following best practices.
- Mentor others: Support and guide junior BI developers, sharing knowledge and best practices.
- Take ownership: Contribute to improving BI processes, tools, and ways of working across the team.
Requirements
Technical skills & experience
- Around 4 years of experience in BI development, data modeling, or analytics engineering
- Strong hands-on experience with Qlik Sense or Looker
- Expert-level SQL skills, including query optimization and complex transformations
- Experience or exposure to data transformation tools such as dbt and/or platforms like Dremio is a plus
- Familiarity with Git and version control workflows
- Experience using AI tools to improve development efficiency is highly valued
- Degree in a quantitative field (e.g., Economics, Statistics, Engineering, Computer Science, or similar)
Soft skills
- Strong communication skills in English (spoken and written)
- Structured, analytical, and detail-oriented approach to problem solving
- Ability to work independently and manage priorities effectively in a fast-paced environment
- Curiosity and willingness to understand complex and evolving data environments
- Collaborative mindset with a proactive attitude toward learning and improvement
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!
- 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.
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