Senior Java Developer

Salary: 1200-1500 PLN/MD on B2B

Work 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 Poland
• Direct contact with business
• Adaptation of functionalities to retain users
• Opportunity to work within a dynamic team that values initiative and creativity
• Working with microservices on a truly large scale

Project

Join 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 Project

• Ad Personalization: Integrate with Machine Learning models to provide tailored ad content
• Innovative Campaign Recommendations: Develop a cutting-edge system for recommending advertising campaigns
• Scalability: Ensure the system handles increasing queries and vast data volumes efficiently
• Modern Architecture: Build a reliable, flexible microservices architecture for optimal performance

We’re looking for professionals with

• Advanced Java Expertise: Proficiency in Java and frameworks like Spring Boot
• Search Systems Experience: Practical knowledge of designing and developing search solutions using Solr or ElasticSearch, especially for large datasets
• Microservices Mastery: Experience in building and maintaining microservices in production environments
• Cutting-Edge Technologies: Familiarity with tools such as Kafka, Kubernetes, and Docker
• Performance Optimization: Expertise in improving systems that process large data volumes in real time
• Distributed Systems Knowledge: A solid understanding of microservices and distributed architecture
• Bonus Points: Experience with recommendation systems, MongoDB, and data processing tools like Airflow or Airbyte. Knowledge of Kotlin is a plus!

Your Role and Impact

• Innovate in Search and Recommendations: Design and develop advanced systems using technologies like Solr and ElasticSearch
• Drive Performance: Optimize system performance for large-scale data processing
• Build Infrastructure: Create and maintain scalable and reliable data processing pipelines
• Collaborate with Stakeholders: Work closely with the product team to implement user-focused functionalities
• Shape 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 Team

The 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.