Java Developer (Freelance)

Company shown to members 🔒 · Remote · Poland only

Poland only3+ years requiredPublished 17 June 2026Check carefully

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First recorded by Psst: 12 October 2026. Your first 3 jobs are free to apply to (the first right away, 2 more with your email). After that, the company and the apply link are for Psst members, from $4.99 for 7 days.

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The 20-second read

Experience
3+ years required
Where you can live
Poland only
Languages
English
Skills and tools
sql, java, aws, ci/cd, b2b, saas
Time zone
US working hours
Job type
Contract or freelance

Read from the ad by Psst's rules. Check the full ad below before applying.

Job details

Where you can work
Poland
Employment type
Contract
Advertised pay
Not stated by the employer
Experience
3+ years required
Employer publication date
17 June 2026
First recorded by Psst
12 October 2026
Last checked at the source
10 November 2026

About the job

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 the company and our client’s teams, acting as a fully integrated contributor within the client's software organization.

This is a  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
  • 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

Benefits

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).

What will happen next?

  • We would like to know you better, so we will invite you for a meeting with our recruiter.
  • Next, you'll be asked to solve the task or invited to an interview and pair programming with one of our iOS Developers.

Looking for a full-time job? Check out our Career Page and find out more about our open recruitment processes.

If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.

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