Principal Engineer - Java

Principal Engineer - Java

About Hapag-Lloyd
With a fleet of modern container ships and a Vessel Capacity 2.2 million TEU, as well as a Container Capacity 3.2 million TEU including one of the world’s largest and most modern reefer container fleets, Hapag-Lloyd is one of the world’s leading liner shipping companies. In the Liner Shipping segment, the Company has around 13. employees and offices in countries. Hapag-Lloyd has a container capacity of 11.9 million TEU – including one of the largest and most modern fleets of reefer containers. A total of liner services worldwide ensure fast and reliable connections between more than ports across the world. In the Terminal & Infrastructure segment, Hapag-Lloyd has stakes in 20 terminals in Europe, Latin America, the United States, India, and North Africa. The roughly 2. employees assigned to the Terminal & Infrastructure segment deal with terminal-related activities and provide complementary logistics services at selected locations.

The Role

The Principal Software Engineer – Java will play a pivotal role in designing, developing, mentoring and maintaining high-performance IT system for Hapag-Lloyd. The role requires deep expertise in Java and microservices-based architecture, along with a strong focus on code quality, performance, and scalability. The ideal candidate will be a passionate engineer who thrives in a Java development agile environment and brings a solution-oriented mindset to collaborative product development.

As a senior technical expert, you will be responsible for low-level and high-level architectural design , mentoring developers, and working closely with team in Hamburg & Chennai. The ideal candidate is a passionate, solution-oriented engineer with a proven track record in leading technical projects within an agile environment.

Key Responsibilities & Tasks

Software Development & Design

Design and develop scalable, reliable, and high-performance applications using Java, JPA, Kafka, Microservices, Junit, API and PostgreSQL.

Lead low-level and high-level design discussions and decisions for scalable architecture.

Build and maintain microservices architecture using industry best practices.

Drive technology innovation.

Write clean, efficient, well-documented code with high unit test coverage using JUnit.

Mentorship

Mentor and guide developers and team members in coding standards, best practices, and problem-solving.

Conduct regular code reviews, peer programming, and provide technical leadership to ensure code quality and continuous improvement.

Systems Integration & Tools

Work with messaging systems such as Kafka to build real-time data processing services.

Implement and optimize data access using SQL /PostgreSQL databases.

Participate in the design and implementation of DevOps pipelines for CI/CD.

Quality, Testing & Documentation

Conduct regular code reviews and participate in peer programming and Peer coding Review.

Perform system testing, validation, and verification across development stages.

Contribute to technical documentation throughout the software development lifecycle.

Agile Collaboration & Continuous Improvement

Collaborate closely with Product Managers, Engineering Managers, Scrum Masters, and developers in agile teams.

Participate in sprint planning, retrospectives, and demos.

Remain current on new technologies and drive adoption of best engineering practices across the team.

Behaviours & Approach

Strong analytical and problem-solving skills

Team-oriented with excellent communication and collaboration skills

Passion for clean code, architecture, and continuous learning

Ability to work independently with a proactive approach to problem-solving

Work Experience:

Technical Skills

Java, JEE, JPA, JUnit, Microservices

Kafka (Desired), REST API development

SQL, PostgreSQL

Git, Maven, Jenkins (Desired),

Familiarity with Docker, Kubernetes, and cloud platforms (eg. AWS)

Education & Qualifications

Bachelor’s degree in computer science, Engineering, or related discipline

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