Grupa Allegro Sp. z o. o.

...We are looking for people who: Have commercial experience coding in Kotlin or Java (with an eagerness to master Kotlin for our new services); Value high-quality code and engineering best practices to solve complex challenges in massive-scale distributed systems; Are excited to find new ways of using AI in daily work; Embrace a growth mindset, value team stability, and are open to occasionally picking up frontend tasks (React is a nice-to-have); Communicate effectively in Polish and English (at …...

...We are looking for people who have: At least 2 years of commercial experience in software engineering, with a solid foundation in backend development Strong backend skills (this will be the core of our technical assessment) and a readiness to work with Kotlin and the JVM ecosystem A genuine passion for mobile apps and a strong commitment to learn and work with native mobile technologies (iOS/UIKit/SwiftUI or Android/Jetpack Compose) An open mind, flexibility, and a hunger for learning - we valu…...

...We are looking for people who have:

At least 2 years of commercial experience in software engineering, with a solid foundation in backend development
Strong backend skills (this will be the core of our technical assessment) and a readiness to work with Kotlin and...passion for mobile development. You’ll get a unique opportunity to dive deep into Kotlin, Spring Boot 4, and Spring GraphQL by providing data and building application UI on the backend, while dedicating a significant part of your time to mastering mobile technologies (...Junior Software Engineer (Backend / Mobile) to join our Listings (Mobile Apps) team. You won't just be writing code for the sake of it; you'll be a key contributor to the critical path of our iOS and Android apps, directly impacting millions of users through our Listings...

...Our offer is addressed to people who: Have foundational experience or academic background in building classical ML/DS solutions (such as regression, classification, clustering, time series) and data analysis using SQL. Understand classical ML algorithms, their strengths, weaknesses, and basic hyperparameter tuning techniques. Know how to evaluate model performance using statistical metrics and diagnose basic data & mapping quality issues. Can explore data effectively by writing cost-efficient S…...

...analytical/modeling problems.
Write readable, clean Python code following standards and best practices, with awareness of basic testing (e.g. unit tests) and cloud cost optimization basics.
Possess practical and theoretical knowledge of Generative AI & Agentic AI...knowledge at industry conferences, host internal meetups, and actively co-create the DS/ML community in Poland and globally.
What's in it for you:

Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work...

...the right job for you if you:
Have commercial experience in Python, Java or Kotlin.
Demonstrate basic ability to write clean, tested code and an eagerness to learn modern software engineering practices.
Possess solid SQL fundamentals.
Have a basic...This is the right job for you if you:
Have commercial experience in Python, Java or Kotlin.
Demonstrate basic ability to write clean, tested code and an eagerness to learn modern software engineering practices.
Possess solid SQL fundamentals.
Have a basic...

...industry trends.] Requirements: Swift, SwiftUI, iOS, iOS SDK, Testing, WCAG, Clean Architecture, MVI, MVVM, RESTful API, Android, Kotlin, GitHub, A/B Testing Additionally: Sport subscription, Training budget, Private healthcare, Lunch card, Small teams, Flat structure...SwiftUI, Combine, and Swift Concurrency.
Ability to write unit tests (XCTest and Swift Testing), snapshot tests (SnapshotTesting),...Send us your CV and… see you at Allegro!

,[Design, develop, test, and deploy features for the Allegro iOS application, ensuring high...

...industry trends.] Requirements: Swift, SwiftUI, iOS, iOS SDK, Testing, WCAG, Clean Architecture, MVI, MVVM, RESTful API, Android, Kotlin, GitHub, A/B Testing Additionally: Sport subscription, Training budget, Private healthcare, Lunch card, Small teams, Flat structure...

...We are looking for people who: Have solid foundational backend skills in Kotlin or Java and a strong, growth-oriented mindset - we value your willingness to learn over knowing everything from day one; Are excited about experimenting with AI and open to trying out new tools and technologies in their daily work; Want to build new products and have a real impact on a developing, innovative project with minimal maintenance tasks; Are eager to collaborate with Data Science teams to turn complex algo…...

...We are looking for people who: Have commercial experience coding in Kotlin or Java (with an eagerness to master Kotlin for our new services); Value high-quality code and engineering best practices to solve complex challenges in massive-scale distributed systems; Are excited to implement and optimize AI models in a production environment; Embrace a growth mindset, value team stability, and are open to occasionally picking up frontend tasks (React is a nice-to-have); Communicate effectively in En…...

...We are looking for people who:

Have solid foundational backend skills in Kotlin or Java and a strong, growth-oriented mindset - we value your willingness to learn over knowing everything from day one;
Are excited about experimenting with AI and open to trying...the lives of our advertisers. High performance, a focus on innovation, and a great atmosphere in the team are guaranteed!
What's in it for you:

Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work...

...We are looking for people who:

Have commercial experience coding in Kotlin or Java (with an eagerness to master Kotlin for our new services);
Value high-quality code and engineering best practices to solve complex challenges in massive-scale distributed systems...14 600 - 20 825
Annual bonus based on your annual performance and company results.
~ Our team is based in Warsaw.

What’s in it for you:

Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work...

...We are looking for people who:
Have 2+ years of professional experience in native Android mobile application development (Kotlin).
Have an understanding of Jetpack Compose and the View system (XML) as we’re working in both approaches.
Have an understanding of...experience (or are ready to learn) in writing unit and integration tests.
Are open-minded, curious, and willing to experiment. Our...Send us your CV and… see you at Allegro!

,[Design, develop, test, and deploy UI components, ensuring high quality, performance, and...- 20 825 gross .
Annual bonus based on your annual performance and company results.
Our team is based in Poznań.
What's in it for you:
Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools...family and millions of our customers.
You will meet the Allegro Scale, which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning.
You will...