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Job title: Java Fullstack Developer
Location: Poland
Work mode: Remote
Type of cooperation: B2B Contract
Salary range: 40-60/h USD netto + Vat
About The Company/project
We are looking for an exceptional Senior Software Developer with a passion for coding who is not afraid to seek new solutions.
We offer cooperation with a unique client who provides opportunities for development in many complex and global supply chain projects.
You will join a new IT Hub, where you will encounter only new technologies and projects related to the creation of new functionalities.
Responsibilities
Responsibilities:
Location: Poland
Work mode: Remote
Type of cooperation: B2B Contract
Salary range: 40-60/h USD netto + Vat
About The Company/project
We are looking for an exceptional Senior Software Developer with a passion for coding who is not afraid to seek new solutions.
We offer cooperation with a unique client who provides opportunities for development in many complex and global supply chain projects.
You will join a new IT Hub, where you will encounter only new technologies and projects related to the creation of new functionalities.
Responsibilities
Responsibilities:
- Full-stack development of innovative applications with Java, Spring, React, and modern JS frameworks.
- End-to-end ownership of the development lifecycle: design, architecture, coding, testing, deployment, and DevOps.
- Build and maintain microservices architectures and reactive UIs.
- Apply TDD/BDD practices with JUnit, Mockito, Jasmine, Selenium/Protractor.
- Contribute to CI/CD pipelines and deployments on Kubernetes / Cloud Foundry.
- Design and deliver cloud/hybrid solutions with high scalability and reliability.
- Work in XP practices, including remote pair programming and continuous delivery.
- BSc in Software Engineering or BS degree in Computer Science.
- 8+ years of experience in the following technologies: Java (must have), Spring.
- 2+ years of experience with Python -MUST
- 2+ years of experience in FE, mainly React (MUST), and other modern JavaScript Framework/libraries.
- Work in XP practices, including remote pair programming and continuous delivery.
- Experience with Functional Programming and Java Streams.
- Experience with developing a reactive UI (Reactive JS).
- 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium
- 3+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
- Experience in DevOps development and Jenkins.
- Experience in designing, developing, and deploying cloud/hybrid-based solutions.
- Experience in developing and deploying in Container based environments (Kubernetes, Cloud foundry).
- Familiarity with the following design concepts: micro-services, service discovery, circuit breaker.
- Self-starter with the ability to appropriately priorities and plan complex work in a rapidly changing environment.
- Versatility and capability to switch easily between different tasks and technologies.
- Experience in assessing a broad range of information solutions and products.
- Strong critical thinker with problem solving aptitude.
- Fluent English - verbal and written.
- Experience with LLMs/AI/Prompt Engineering/MCP.
- Experience with Data Analytics – big advantage.
- Experience in development in Kotlin – big advantage.
- Experience with LLMs/AI/Prompt Engineering/MCP.
- Experience with Data Analytics – big advantage.
- Experience in development in Kotlin – big advantage.
Key Skills
Ranked by relevance
java
kubernetes
kotlin
react
cloud
junit
functional programming
microservices
javascript
python
devops
cicd
ui
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Login to Apply
- Posted
- Apr 17, 2026
- Type
- Full-time
- Level
- Not Applicable
- Location
- Warsaw
- Company
- Integral Solutions - Data & AI
Industries
IT Services
IT Consulting
Categories
Engineering
Information Technology
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