Java Developer (Freelance)

Netguru; Polska; Hybrid; PLN 151,000 - 181,000; Full time

Benefits offered by this job

100% remote

Job summary

Netguru is seeking a Mid-level Java Developer to join the client’s engineering team and support a SaaS platform used by enterprise customers. You will be an integrated contributor within the client's software organization, collaborating with both Netguru and client teams.

This is a 100% remote B2B contract with an hourly rate up to 30 EUR/h (net). Working hours are 14:30 to 22:30 CET, with support during US hours as needed.

Qualifications

• 3–4 years of backend development experience with Java and Kotlin.
• Strong understanding of object-oriented programming and Java fundamentals.
• Experience with Spring Boot and RESTful API design.
• Familiarity with SQL and relational databases.
• Clear communication and ability to collaborate in distributed, international teams.
• Professional working proficiency in English.

Responsibilities

• Perform backend development work as part of the client’s software 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 issues outside standard European hours.
• Build and maintain features within the SaaS application and integrate ERP data.

Skills

Java

Kotlin

Spring Boot

RESTful API

SQL

English

Team collaboration

Tools

CI/CD pipelines

AWS

Job description

We are looking for aMid-level Java Developerto 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 Netguru and our client’s teams, acting as a fully integrated contributor within the client's software organization.

This is aB2B contractposition. 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

• 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
• Current residence within the European Union is required.

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

In return, we offer:

• 100% remote, flexible work;
• work with an experienced team of developers and continuous development of your 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).

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