Software Engineer 2 JavaKotlin - AB Testing Platform Team

The salary range for this position is PLN (contract of employment)

A hybrid work model requires 1 day a week in the office (Warsaw)

We are seeking a passionate Software Engineer to join the newly forming A/B Testing Platform team in the Data Science Hub where we apply analytical techniques mathematics and machine learning to solve a wide range of business problems.

About the A/B Testing Platform team

The A/B Testing Platform team is a multidisciplinary group of product analysts software engineers and data engineers. Our mission is to strategically enhance our A/B testing platform a critical tool that empowers datadriven decisionmaking regarding the rollout of new features by assessing the potential impact of these features through user behavior analysis. Through tasks performed the team plays a pivotal role in shaping the overall user experience on Allegro one of the worlds largest eCommerce platforms.

What will your job involve

• Independently designing and delivering complex highpriority tasks.
• Designing developing testing and maintaining highquality code for the technical platform including backend services APIs automation scripts and frontend.
• Debugging and resolving software defects and issues.
• Supporting other team members by providing knowledge sharing and architectural design of the system.
• Staying uptodate with emerging technologies and industry best practices.
• Participating in code reviews and providing constructive feedback to peers.
• Contributing to the continuous improvement of development processes and methodologies.
• Collaborating with product managers UX designers and fellow engineers to gather and refine requirements.
• Addressing and encouraging the team to work actively to reduce technical debt.

We are looking for people who

• Graduated with a degree in computer science mathematics engineering or other relevant field
• Are proficient in Java
• Have a basic understanding of Python
• Know English at min. B2 level
• Have proven experience as a Software Engineer or in a similar role
• Think outside the box and have a broad perspective on their work
• Want to be proud of the code they write. Are open to feedback and are willing to share their knowledge during code reviews
• Can search for efficient solutions to meet users requirements
• Are eager to continuously develop skills and update knowledge
• Have problemsolving skills
• Are fast learners
• Nicetohave: basic understanding of GCP and Apache Beam (including Dataflow)

What we offer

• A hybrid work model that you will agree on with your leader and the team.  We have a welllocated office (with fully equipped kitchens and bicycle parking facilities) and excellent working tools (heightadjustable desks interactive conference rooms).  
• Annual bonus up to 10% of the annual salary gross (depending on your annual assessment and the companys results).  
• A wide selection of fringe benefits in a cafeteria plan you choose what you like (e.g. medical sports or lunch packages insurance purchase vouchers).  
• English classes that we pay for are related to the specific nature of your job.  
• 16 or 14 MacBook Pro with M1 processor and 32GB RAM or a corresponding Dell with Windows (if you dont like Macs) and other gadgets that you may need.
• Working in a team you can always count on we have on board topclass specialists and experts in their areas of expertise.
• A high degree of autonomy in terms of organizing your teams work; we encourage you to develop continuously and try out new things.  
• Hackathons team tourism training budget and an internal educational platform MindUp (including training courses on work organization means of communication motivation to work and various technologies and subjectmatter issues).  
• If you want to learn more check out this webpage or listen to the Allegro Tech Podcast Episode about recent projects in the Data Science Hub.

Why is it worth working with us

• Thanks to the strategic importance of the A/B testing platform you will never run out of interesting challenges.
• Big Data petabytes of data and Machine Learning used productionwise.
• Microservices a few thousand microservices and 1.8m rps on our business data bus.
• Gain invaluable experience and deepen your skills through continuous learning and development opportunities.  
• Collaborate with a network of industry experts enhancing your professional growth and knowledge sharing.  
• We are happy to share our knowledge. You can meet our speakers at hundreds of technological conferences such as Data Science Summit Big Data Technology Warsaw Summit. We also publish the content on the allegro.tech blog.  
• We use depending on teams and their needs the latest versions of Java Scala Kotlin Groovy Go Python Spring Reactive Programming Spark Kubernetes TensorFlow.  
• In the Data&AI team you would be a part of a team consisting of over 200 data ML & product specialists overseeing dozens of products few hundred production ML models and governs all data in Allegro (several dozen petabyte scale).  
• We practice Code Review Continuous Integration Scrum/Kanban Domain Driven Design Test Driven Development Pair Programming depending on the team.  
• GenAI tools (e.g. Copilot internal LLM bots) support our everyday work.  
• Our internal ecosystem is based on selfservice and widely used tools such as Kubernetes Docker GitHub (including CI/CD). This will allow you from day one to develop software using any language architecture and scale restricted only by your creativity and imagination.
• We actively participate in the life of the biggest user groups in Poland centered around technologies we use at work (Java Python DevOps).
• We organize Allegro Tech Live a 100% remote version of our onsite Allegro Tech Talks meetups and make guest appearances at the invitation of communities such as Warsaw AI JUG (Poznan Lodz Lublin Wroclaw) WG .Net Dare IT Women in Tech Summit.
• Technological autonomy: you get to choose which technology solves the problem at hand (no need for managements consent) you are responsible for what you create.  
• Once a year you can take advantage of the opportunity to work in a different team or more often if theres an internal business need (known as team tourism).

This may also be of interest to you

Allegro Tech Podcast  

Booklet  

Send in your CV and see why it is #goodtobehere!