Java Software Engineer

. Design, implementation and testing of high-performance, reactive microservices in Java using state-of-the-art methods and technologies.

Posted 4/21/2026full-timeRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Tools & technologies

ApacheCloudDockerGoogle Cloud PlatformJavaKafkaKubernetesMavenMicroservicesNoSQLSpringSpring BootSpringBootSQL

Key responsibilities & impact

Design, implementation and testing of high-performance, reactive microservices in Java using state-of-the-art methods and technologies.
Creating and evolving event-driven systems using Spring WebFlux, Kafka, and NoSQL/SQL databases.
Have your share of ownership of incidents and issue 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 architectural technical documentation, including System Design and RFC documents.
Collaborate with QA and other teams to deliver complex functionalities across many projects.

What you’ll need

A solid foundation in software engineering (bachelor's degree preferred) with 3+ years of experience.
Java development experience including knowledge of reactive/non-blocking programming and common tooling such as Spring Boot, Spring WebFlux, SQL/NoSQL.
Knowledge of messaging frameworks (preferably Kafka) and event-driven architectural patterns, like Event Sourcing or CQRS.
Knowledge of traditional software development processes and tools, including Maven, Git, JIRA, Confluence, Code Review, and CI/CD.
Hands-on experience developing microservices with a focus on high performance and scalability.
Preferred modern technologies include Apache Kafka, REST APIs, containerization (Docker, Kubernetes), and cloud-based infrastructure (preferably Google Cloud Platform).
Taking initiative and ownership of tasks and commitments.
Ability to understand requirements and deliver high quality implementation from start to finish while still contributing to a culture of continuous improvement in an Agile/Scrum environment.
Good command of English
Proficiency in leveraging AI tools and large language models (e.g., Claude, GitHub Copilot) to enhance productivity, accelerate development, and solve complex problems.
Ability to critically evaluate AI-generated outputs and apply them responsibly within professional workflows.

Comp & perks

Opportunity to work in a diverse, international, and cross-functional environment along with leading experts.
You work and learn from a senior leader and her leadership bench, extending your experience and exposure in the e-commerce and logistic industry.
InPost is a growing company that offers its employees an increasing number of opportunities in several locations in Europe.
Fulfilling careers with a range of benefits for employees and investing in providing training opportunities for their development.
You will feel a part of the InPost community that makes an impact on sustainability, convenient deliveries, and circular economy every day.
You will have the opportunity to get involved in developing the company's own product.

ATS Keywords

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Hard Skills & Tools

Javareactive programmingSpring WebFluxKafkaNoSQLSQLmicroservicesMavenGitCI/CD

Soft Skills

initiativeownershipcontinuous improvementcollaborationcommunicationcritical evaluation

Certifications

bachelor's degree