BackEnd Software Engineer (Java/Python)

Confidential

Remote job permanent

Posted: February 6, 2026

Required Skills

Job Description

About Us

DeepSea is a maritime technology leader, providing a unified optimisation platform that helps shipping companies cut fuel consumption, reduce emissions, and transform vessel performance across entire fleets.

Built on the most advanced maritime AI data pool in the world, DeepSea’s platform powers everything from vessel monitoring to advanced automation - helping clients achieve measurable results with clarity, speed and scale.

We are trusted by some of the world’s most forward-thinking ship owners and operators, and our team spans Greece, the UK, Armenia, Romania, Singapore and Japan. As the shipping industry undergoes enormous change, we are at the centre of that transition - helping our customers take control, reduce risk, and build competitive advantage.

About the position

We are looking for a backend engineer who is comfortable working across both Java/Spring Boot and Python/FastAPI. You will contribute to the evolution of our backend services, help migrate components between stacks where needed, and ensure our platform remains scalable, reliable, and aligned with customer needs.

Our products are used by shipping company engineers and captains to optimise the technical operations and navigation of their vessels, powered by our in‑house AI and optimisation algorithms. You will need to develop a solid understanding of the domain and our research output to design backend improvements that support our growing product suite.

Our cloud platform runs on AWS, with some of our services under EKS. Our backend services are currently implemented in Java/Spring Boot and Python.

Main responsibilities:

• Design, develop, and maintain backend services in both Java/Spring Boot and Python/FastAPI.

• Collaborate with engineers, architects, and product owners to translate requirements into scalable backend solutions.

• Contribute to the migration of selected services between Java and Python stacks when appropriate.

• Ensure high performance, reliability, and maintainability across all backend components.

• Implement unit tests and participate in code reviews to uphold engineering standards.

• Work with relational databases, caching layers, and message brokers.

• Support the transition of our entire infrastructure toward container orchestration (EKS).

• Produce clear, maintainable documentation for services and APIs.

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