Senior Full-Stack Engineer (Java, React, AI/LLM)

Location: Europe; remote, B2B

Company

hirify.global is hiring for a client developing technology solutions for an international shipping and logistics company.

What you will do

• Design, develop, and enhance web applications with Java, Spring, and React.
• Contribute to the advanced Slot Allocation System for the shipping and logistics domain.
• Build scalable backend services using microservices architecture and develop responsive, reactive frontend components.
• Translate business requirements and technical specifications into software solutions.
• Apply AI/LLM experience, including LLM APIs and RAG, to technical initiatives.
• Write unit tests and contribute to cloud development, containerized deployments, CI/CD workflows, planning, and delivery.

Requirements

• BSc in Software Engineering or BS in Computer Science.
• 5+ years of professional experience with Java and Spring, including strong knowledge of functional programming concepts and Java Streams.
• 4+ years of frontend development experience, primarily with React and modern JavaScript technologies.
• 2+ years of experience developing microservices with Spring Boot and/or Spring Cloud; understanding of distributed systems, service discovery, and circuit breakers.
• Experience building reactive user interfaces.
• 2+ years of experience with TDD/BDD and testing frameworks such as JUnit, Mockito, Jasmine, or Selenium.
• Hands-on DevOps experience with CI/CD pipelines and Jenkins.
• Experience designing, developing, and deploying cloud or hybrid solutions, including containerized environments such as Kubernetes.
• Working knowledge of Python; AI programming experience with LLM APIs and RAG; some agent framework experience, preferably LangChain and LangFlow.
• Good written and spoken English, strong problem-solving skills, and the ability to work independently.

Nice to have

• Experience developing applications with Kotlin.
• Familiarity with Cloud Foundry.
• Experience with additional modern JavaScript frameworks and libraries.

Culture & Benefits

• Remote work with a flexible working schedule and full-time B2B engagement.
• Up to 20 working days of vacation, 10 sick-leave days, and up to 11 national holidays off.
• Medical reimbursement or insurance after 3 months.
• Online English courses and direct cooperation with the customer.
• Online and offline teambuildings and support for a volunteering culture.