Freelance Java Developer

Montash; Frankfurt; Remote; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

Join a leading international marketplace platform as a Java Developer and contribute to building a robust MVP designed for global use. This fully remote role focuses on enhancing the core Spring application while collaborating with an agile team. You'll have the chance to develop new features, integrate third-party services, and ensure code quality through unit testing. Ideal candidates have strong Java and Spring experience, with a passion for agile development practices.

Leistungen

Flexibility of 100% remote work

Collaboration with an experienced agile team

Opportunities to use the latest technologies

Qualifikationen

• Proficient in Java, with knowledge of Kotlin preferred.
• Strong knowledge of Spring Boot, Spring Data, and Spring Framework.
• Experience with REST APIs and PostgreSQL databases.
• Knowledge of GitLab for version control.
• Demonstrated proficiency in writing unit tests.

Aufgaben

• Collaborate with the team to develop and scale a B2C marketplace application.
• Enhance REST APIs and integrate third-party services.
• Maintain documentation and establish best practices.
• Write unit tests for quality assurance.

Kenntnisse

Java

Spring Boot

REST APIs

Unit Testing

Tools

GitLab

PostgreSQL

Jobbeschreibung

Contract Length : 4-6 months initially (extensions possible)

Location : 100% Remote

Start Date : June / July 2025 (July start preferred)

About Us

We are developing a cutting-edge international marketplace platform that connects businesses and consumers to buy and sell refurbished phones. As part of this initiative, we are building a scalable greenfield MVP designed for global use. This is a fantastic opportunity to work with an agile team on a fast-paced and impactful project.

Role Overview

We are seeking an experienced Java Developer to join our agile development team. You will play a critical role in enhancing and scaling the MVP, focusing on the core Spring application. This includes building new features, ensuring high performance, and integrating third-party services related to payments and logistics.

Our team prioritizes clean, well-documented, and well-tested code, so a strong background in unit testing and attention to detail is essential.

Responsibilities

• Collaborate with the Product Owner, Engineering Manager, and Developers to deliver high-quality solutions.
• Develop and scale the core Spring application for a B2C marketplace.
• Work on REST APIs, integrating third-party payment and logistics services.
• Write and maintain unit tests (e.g., JUnit, Mockito) for robust code quality.
• Contribute to the documentation and best practices of the platform.

Required Skills and Experience

• Proficiency in Java (Kotlin experience or interest is a plus).
• Strong knowledge of Spring Boot , Spring Data , and Spring Framework .
• Experience with PostgreSQL databases.
• Skilled in developing and maintaining REST APIs .
• Familiarity with version control systems such as GitLab .
• Demonstrated experience writing unit tests (e.g., JUnit, Mockito).

Preferred Skills

• Experience with AWS cloud infrastructure and services.
• Knowledge of end-to-end and integration testing.
• Full-stack development experience with React .
• Prior experience working on Kotlin .

What We Offer

• A challenging and impactful project in the international marketplace domain.
• The flexibility of 100% remote work.
• Collaboration with a talented and experienced agile team.
• Opportunities to work with the latest technologies and industry best practices.

How to Apply

If this sounds like the perfect opportunity for you, please send your :

• Availability
• Day rate

We will review your application and schedule a call to discuss the position further.

Referral Program : If this role isn’t for you, refer a candidate, and if they are successfully hired, you’ll be rewarded!

Join us to make an impact in the global marketplace space!