Mid Java Developer (Java)

TL;DR

Mid Java Developer (Java): Building and optimizing high-load backend services for a leading e-commerce advertising platform with an accent on API design, scalability, and microservices architecture. Focus on designing reliable solutions, handling massive scale software delivery, and contributing to architectural decisions.

Location: Elastic hybrid from our office in Warsaw, Poland

Salary: 10,000–16,000 PLN/month on B2B

Company

hirify.global is a Polish IT outsourcing company that creates highly specialized teams for clients from all over the world, including a market-leading e-commerce platform in Poland.

What you will do

• Contribute to the development of a leading e-commerce advertising platform.
• Work on functionalities that drive user engagement and advertising success.
• Develop microservices for large-scale systems using advanced technologies.
• Collaborate closely with engineers, product owners, and stakeholders to deliver reliable solutions.
• Influence architectural decisions and contribute to a strong engineering culture.

Requirements

• 3+ years of commercial experience in backend development with Java.
• Experience in designing scalable, high-performance microservices architectures with Spring Boot.
• Understanding of event-driven architectures, asynchronous communication, and messaging patterns.
• Experience working with both relational (PostgreSQL) and NoSQL (MongoDB) databases.
• Good knowledge of software engineering best practices, including clean code, SOLID principles, and automated testing.
• Ability to analyze complex problems and collaborate effectively in cross-functional teams.

Nice to have

• Openness to learning new technologies (e.g., Kotlin).

Culture & Benefits

• Join a team that values creativity and innovation.
• Opportunity to contribute to a solution used by millions daily.
• Access to a proprietary professional development programme.
• Wide range of benefits.