Java Software Engineer

Get to know us better CodiLime is a software and network engineering industry expert and the first-choice service partner for top global networking hardware providers, software providers and telecoms. We create proofs-of-concept, help our clients build new products, nurture existing ones and provide services in production environments. Our clients include both tech startups and big players in various industries and geographic locations (US, Japan, Israel, Europe). While no longer a startup - we have 250+ people on board and have been operating since 2011 we’ve kept our people-oriented culture. Our values are simple: Act to deliver.Disrupt to grow.Team up to win. B2B contract: 12 750 - 22 000 PLN + VAT The project and the team We are looking for a Java Software Engineer to join a strategic network automation initiative focused on accelerating the onboarding of network device features into an enterprise automation platform. The project involves transforming XML/XPath-based feature definitions into maintainable Java implementations, leveraging AI agents to automate and accelerate development workflows. The engineer will work on feature onboarding, backend service development, API integration, code generation, testing, troubleshooting, and scalability improvements. A significant part of the role will involve collaborating with AI-powered development tools and agentic AI systems to generate, validate, and optimize code. The project combines software engineering, network automation, cloud-native technologies, and AI-assisted development practices. Your role As a part of the project team, you will be responsible for: Working on backend development in Java within a network domainTransforming network feature definitions based on XML/XPath into Java-based implementationsBuilding and extending backend services and APIs supporting automation workflowsIntegrating AI agents into development and automation processes (AI-assisted code generation and validation)Ensuring code quality through unit and integration testingInvestigating and resolving bugs, performance issues, and scalability challengesCollaborating with engineers, QA, and architects in an agile environmentParticipating in code reviews and technical discussionsSupporting continuous improvement of development and automation processes Do we have a match? As a Java Software Engineer, you must meet the following criteria: Minimum 5+ years of professional experience in Java software developmentExperience working with backend systems and API developmentKnowledge of computer networks (switching, routing, VLANs, TCP/IP, DNS, DHCP)Experience using AI-assisted development tools or agentic AI workflowsExperience with cloud environments (AWS / Azure / GCP)Strong understanding of XML and XPathExperience with REST-based servicesGood analytical and problem-solving skillsGood communication skills and ability to work in an agile teamGood knowledge of English (B2+ level)Beyond the criteria above, we would appreciate the nice-to-haves: Professional experience working with GolangExperience with CI/CD pipelinesExperience working in large-scale or distributed systemsKnowledge of ReactJS or similar frontend frameworksExperience with code generation or model-driven development approachesExperience with performance tuning and scalability optimization More reasons to join us Flexible working hours and approach to work: fully remotely, in the office or hybridProfessional growth supported by internal training sessions and a training budgetSolid onboarding with a hands-on approach to give you an easy startA great atmosphere among professionals who are passionate about their workThe ability to change the project you work on