Netguru

Senior Java Developer (Polish-speaking) - Freelance

Netguru
Apply
19 days ago
Remote, PolandSenior

Responsibilities

  • Develop software using Java, Spring Boot, Hibernate/JPA, SQL, JUnit, Kafka, and Azure cloud services.
  • Apply design patterns and object-oriented programming principles.
  • Work with data mappings and JSON data.
  • Build data pipelines and work with REST APIs.
  • Create topics using Kafka and Debezium.

Requirements

  • At least 4 years of experience as a software developer.
  • Fluent Polish and English proficiency sufficient for technical documentation, business correspondence, and verbal communication with international vendors.
  • Knowledge of Java, Spring Boot, Hibernate/JPA, SQL, JUnit, Kafka, Azure cloud services, JSON, REST APIs, and Debezium.
  • Solid knowledge of design patterns and object-oriented programming principles.
  • Ability to work with data mappings and build data pipelines.

Benefits

  • Freelance full-time contract lasting 3–6 months, with a start date around November 9, 2026.
  • Remote work with 1–2 days per month from the Warsaw office and CET working hours.
  • Flexible work arrangements and opportunities for long-term collaboration.
  • Work with an experienced development team and receive ongoing hard- and soft-skill development.
  • Collaboration on challenging FinTech, B2B software, and e-commerce products.

Tech Stack

Apache KafkaAzureJavaJUnitSpring BootSQL

Categories

Netguru

About Netguru

201-500 employees

Netguru is a privately held digital consultancy that builds and modernizes web and mobile products for enterprises, marketplaces, and retailers. The company provides software engineering, product design, UX, and AI-assisted personalization, working on project-based engagements and long-term partnerships. Founded in 2008 and headquartered in Poznań, Poland, it is a certified B Corporation and has served global brands including IKEA and Volkswagen.

Contact me