Salary: 1200-1500 PLN/MD on B2BWork model: mainly remote work, once a quarter visit to the office in Warsaw Why choose this offer?

You will have an impact on the development of the largest e-commerce system in PolandDirect contact with businessAdaptation of functionalities to retain usersOpportunity to work within a dynamic team that values initiative and creativityWorking with microservices on a truly large scale ProjectJoin us in building an advanced ad search and recommendation system!

Our mission is to deliver personalized advertising experiences tailored to user preferences, leveraging their searches, interests, and history.Key Highlights of the ProjectAd Personalization: Integrate with Machine Learning models to provide tailored ad contentInnovative Campaign Recommendations: Develop a cutting-edge system for recommending advertising campaignsScalability: Ensure the system handles increasing queries and vast data volumes efficientlyModern Architecture: Build a reliable, flexible microservices architecture for optimal performance We’re looking for professionals withAdvanced Java Expertise: Proficiency in Java and frameworks like Spring BootSearch Systems Experience: Practical knowledge of designing and developing search solutions using Solr or ElasticSearch, especially for large datasetsMicroservices Mastery: Experience in building and maintaining microservices in production environmentsCutting-Edge Technologies: Familiarity with tools such as Kafka, Kubernetes, and DockerPerformance Optimization: Expertise in improving systems that process large data volumes in real timeDistributed Systems Knowledge: A solid understanding of microservices and distributed architectureBonus Points: Experience with recommendation systems, MongoDB, and data processing tools like Airflow or Airbyte.

Knowledge of Kotlin is a plus!

Your Role and ImpactInnovate in Search and Recommendations: Design and develop advanced systems using technologies like Solr and ElasticSearchDrive Performance: Optimize system performance for large-scale data processingBuild Infrastructure: Create and maintain scalable and reliable data processing pipelinesCollaborate with Stakeholders: Work closely with the product team to implement user-focused functionalitiesShape Architecture: Contribute to platform development with forward-thinking architectural recommendations Client – why choose this particular client from the Jit portfolio?

Our Client dominates the Polish e-commerce arena as the market leader since 1999. With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment.

As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies.

Jit Team has had a successful partnership with our Client since spring 2021, with multiple software development teams dedicated to our Client's platforms.

These teams operate autonomously, designing platform components through micro-services.

Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale, where even a single second of delay can have a significant impact.

This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience.

About Jit TeamThe Human factor of IT - it's not just a slogan, it's a philosophy.

The foundation of Jit Team is people, which is why we prioritise you.

We employ over 500 experienced experts.

We create highly specialised teams for clients from all over the world.

We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.Behind our maxim are also charitable and educational activities.

We support pupils and students by donating learning equipment.

We offer internships to help launch careers in IT.

We support water rescuers and hospitals by providing the necessary equipment.

We are a Polish company and we share what we have achieved over 14 years of activity.

By supporting indigenous initiatives, we ensure the circulation of good energy.