(Senior) Java Software Engineer - Loyalty Program Team

At InPost, we're passionate about building software that helps our customers send and receive their goods. Our Consumer-Facing teams build and maintain web applications and enabling platforms, which provide features such as marketing communication, loyalty programs, and payments.

We're seeking experienced Java Software Engineers to help us build highly-scalable and highly-available applications in a microservices architecture and to support our transition to the Cloud. We are open to fresh ideas and unique viewpoints. In this role you will collaborating with a cross-functional and international team to develop real-world solutions and positive user experiences for every interaction.

Responsibilities: 

• Design, implementation and testing of high-performance microservices in Java using state-of-the-art methods and technologies. 
• Have your share of ownership of incidents and issues tracking, as well as proposing improvements to the current applications. 
• Advocate an engineering culture of quality, good development principles and innovation from inside your team. 
• Contribute with the creation and maintenance of technical documentation, including System Design and RFC documents. 
• Collaborate with testers and other peers, and be willing to mentor team members when necessary. 
• Participate in On-Call rotations 

Qualifications:

• 5+ years of experience in Java development.
• Proficiency in Spring Framework, including Spring Boot, Spring MVC, and Spring Security.
• Experience with large scale distributed systems design and implementation, especially microservices. 
• Strong understanding of Object-Oriented Programming (OOP), RESTful APIs, design patterns, clean code principles, and best practices.
• Experience in ensuring software is developed up to the highest standards matching modern software development principles: SOLID, KISS, DRY, YAGNI.
• Experience working with relational databases (e.g., MySQL, PostgreSQL) and writing efficient queries
• Proficiency with Apache Kafka.
• Strong knowledge of JVM internals and performance tuning.
• Hands-on experience with Redis, including caching strategies and performance tuning.
• Solid knowledge of SRE concepts and practices, agile processes and techniques.
• Excellent problem-solving skills and attention to detail.
• Ability to understand business requirements and translate them into technical requirements.
• Knowledge of traditional software development processes and tools, including Maven/Gradle, Git, JIRA, Confluence, Code Reviews and CI/CD 
• Good understanding of Agile methodologies
• Strong communication and teamwork abilities.
• English language skills at professional level (minimum B2)

Why InPost?

• Professional growth within the company
• Excellent working environment
• Flexible working hours
• Possibility of remote work in Poland.