Java Backend Engineer — AI-Driven, Remote & Flexible

Codilime; Warszawa; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Flexible working hours

Remote/hybrid options

Training budget

Job summary

Codilime is seeking a Java Software Engineer to join a strategic network automation initiative focused on accelerating onboarding of device features into an enterprise automation platform. You will transform XML/XPath-based feature definitions into maintainable Java implementations, and help evolve backend services.

Working with AI-powered tools, you will contribute to code generation, validation, testing, and performance improvements, collaborating with engineers, QA, and architects in an agile

Qualifications

• Minimum 5+ years of professional experience in Java software development.
• Experience with backend systems and API development.
• Knowledge of computer networks (switching, routing, VLANs, TCP/IP, DNS, DHCP).
• Experience using AI-assisted development tools or agentic AI workflows.
• Experience with cloud environments (AWS / Azure / GCP).
• Strong understanding of XML and XPath.
• Experience with REST-based services.
• Good analytical and problem-solving skills.
• Good communication skills and ability to work in an agile team.
• Good knowledge of English (B2+ level).

Responsibilities

• Working on backend development in Java within a network domain.
• Transforming network feature definitions based on XML/XPath into Java-based implementations.
• Building and extending backend services and APIs supporting automation workflows.
• Integrating AI agents into development and automation processes (AI-assisted code generation and validation).
• Ensuring code quality through unit and integration testing.
• Investigating and resolving bugs, performance issues, and scalability challenges.
• Collaborating with engineers, QA, and architects in an agile environment.
• Participating in code reviews and technical discussions.
• Supporting continuous improvement of development and automation processes.

Skills

Java

Backend services

API development

XML & XPath

Cloud platforms

RESTful services

English (B2+)

AI-assisted tools

Tools

CI/CD pipelines

Code generation tools

ReactJS

Job description

Codilime is seeking a Java Software Engineer to join a strategic network automation initiative focused on accelerating onboarding of device features into an enterprise automation platform. You will transform XML/XPath-based feature definitions into maintainable Java implementations, and help evolve backend services.

Working with AI-powered tools, you will contribute to code generation, validation, testing, and performance improvements, collaborating with engineers, QA, and architects in an agile