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

Join our client’s engineering team and contribute to the development of an advanced Slot Allocation System for a global shipping and logistics company. We’re looking for a Senior Full-Stack Engineer with strong Java and React expertise, complemented by hands-on experience with AI/LLM technologies.

About the project

Our client is an international shipping and logistics company operating in a complex, technology-driven environment.

The team is developing an advanced Slot Allocation System using modern technologies and engineering practices. The solution involves Java-based microservices, React applications, and cloud infrastructure.

The company is also investing in AI-driven engineering solutions, including an intelligent coding agent designed to understand its business context.

Your impact

As a Senior Full-Stack Engineer, you’ll contribute to the design and development of scalable web applications, working across both backend and frontend technologies.

You’ll combine strong software engineering fundamentals with practical AI/LLM experience, contributing to technical solutions in an environment where modern application development and AI technologies are key areas of focus.

What makes you a great fit

• BSc in Software Engineering or BS degree in Computer Science.
• 5+ years of professional experience with Java and Spring.
• 4+ years of frontend development experience, primarily with React and modern JavaScript technologies.
• Strong understanding of functional programming concepts and Java Streams.
• 2+ years of experience developing microservices using Spring Boot and/or Spring Cloud.
• Good understanding of distributed systems concepts, including service discovery and circuit breakers.
• Experience building reactive user interfaces.
• 2+ years of experience with TDD/BDD practices and testing frameworks such as JUnit, Mockito, Jasmine, or Selenium.
• Hands-on experience with DevOps practices, 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: LLM APIs, 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.

What you will do

• Design, develop, and enhance web applications using Java, Spring, and React.
• Contribute to the development of an advanced Slot Allocation System.
• Build and maintain scalable backend services based on microservices architecture.
• Develop responsive and reactive frontend components.
• Work with technical specifications and translate business requirements into effective software solutions.
• Apply AI/LLM development experience to relevant technical initiatives.
• Write and maintain unit tests, following established software quality practices.
• Contribute to cloud-based development, containerized deployments, and CI/CD workflows.
• Collaborate with the Team Leader, provide regular progress updates, and take ownership of assigned deliverables.
• Plan and prioritize development tasks to ensure timely and reliable delivery.

Perks & Benefits

• Vacation (up to 20 working days)
• Sick leave (10 working days)
• Up to 11 national holidays as a time off
• Medical reimbursement or insurance after 3 months
• Online English courses
• Flexible working schedule and remote work
• Direct cooperation with the customer
• Online and offline teambuildings
• Support for and development of our volunteering culture

Sounds like a match? Apply now and let’s build something great together.