Java Developer (Freelance)

Mid • Remote

30 - 30 EUR/hr

Poznan, WP, Poland

Description

We are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration with both teams, acting as a fully integrated contributor within the client's software organization.

B2B contract position.
Hourly rate: up to 30 EUR/h (net, invoiced).
Working hours: 14:30 to 22:30 CET (±30 minutes).

Responsibilities

Perform development work as part of the client’s software engineering teams
Support the client’s developers in daily tasks and project work
Provide assistance to the client’s customers during US working hours
Monitor and resolve critical issues that arise outside of standard European hours
Participate in regular team meetings and virtual team events
Integrate with the client’s wider developer community
Contribute to the ongoing development of the client’s SaaS solution, including:
- Integrating with customer ERP systems to retrieve data
- Analyzing data and delivering insights back to customers
- Building and maintaining features within the SaaS application

Requirements

3–4 years of experience in backend development with Java and Kotlin
Solid understanding of object-oriented programming and Java fundamentals
Experience with Spring Boot and RESTful API design
Familiarity with SQL and working with relational databases
Comfortable working independently during off-standard hours
Ability to communicate clearly and collaborate in distributed, international teams
Professional working proficiency in English (spoken and written)
Exposure to startups, SaaS products, or customer-facing development

Nice to Have

Experience with ERP system integration
Exposure to SaaS product development
Familiarity with CI/CD pipelines and containerized environments
Knowledge of AWS or other cloud platforms
Prior experience working in customer-facing support or issue resolution

Benefits

100% remote, flexible work
Work with an experienced team of developers and continuous development of hard and soft skills
Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes
Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more)

Netguru

Netguru is a prominent player in the digital commerce industry, specializing in modernizing B2B solutions, marketplaces, and retail ecosystems. Established in 2008, the company leverages cutting-edge technology, AI-powered personalization, and world-class engineering and design teams to empower businesses. As a certified B Corporation®, Netguru is recognized for its commitment to social and environmental performance, accountability, and transparency. The company is trusted by major global brands such as IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted. Netguru is known for its flexible work culture, offering freelancers the opportunity to choose their work conditions and engage in diverse projects across various industries. The company emphasizes growth, diversity, and professional development, fostering an environment where team members can continuously enhance their skills and knowledge.

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