BackEnd Software Engineer (JavaPython)

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 DeepSeas 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 worlds 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 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.

Main requirements:

• BSc / MSc degree in Engineering Computer Science or related field.

• 4 years of handson backend development experience.

• Strong experience with Java (8) and the Spring Boot ecosystem.

• Strong experience with Python (3.8) and at least one major framework (FastAPI Flask or Django).

• Solid understanding of RESTful API design microservices and distributed systems.

• Strong SQL knowledge and experience with relational databases.

• Experience with caching technologies (Redis Memcached or similar).

• Proficient with Git and modern development workflows.

• Good understanding of software design principles concurrency and scalable architectures.

• Ability to write clean maintainable wellstructured code in both languages.

• Experience working in Linux environments.

• Strong analytical and problemsolving skills.

• Excellent communication skills in English.

Nice to have:

• Experience with AI-assisted code planning development and refinement.

• Experience with NoSQL or timeseries databases.

• Familiarity with AWS services and cloudnative architectures.

• Experience with Docker and containerized deployments.

• Exposure to message brokers (RabbitMQ Kafka).

• Familiarity with CI/CD pipelines and Atlassian tools (Jira Confluence Bitbucket).

• Understanding of JVM internals or Python performance considerations.
  

Interpersonal skills:

• Strong interest in emerging technologies and backend engineering trends.

• Collaborative mindset and willingness to work across teams.

• Ability to operate in a dynamic environment with evolving requirements.

• Attention to detail and commitment to highquality deliverables.

• Strong organizational skills and ability to manage multiple tasks.

What we offer

You will be part of a dynamic team focused on delivering results and continuous improvement while disrupting the industry and will also receive:

• Competitive remuneration package: Skill & experience-based salary and eligibility for additional employee benefits.

• Health Package: Private health insurance coverage and mental health - therapist benefit

• Paid leaves: emergency and medical leaves.

• Learning and Development Package: Access to courses platform and eligibility for seminars conferences and workshops

• Remote Flexibility: Great office space in the heart of Athens with hybrid option.

At DeepSea we are looking for people who share our values and are aligned with our mission. It is important to us to ensure that no-one who is eager and capable of contributing constructively to our team is excluded because of ethnic or social origin gender or sexuality age or family status disability or medical conditions etc. Diversity is well-proven to be a vital characteristic of teams that succeed so we do everything we can to make our environment welcoming and safe for everyone.

Data Privacy

The company ensures that the personal data of candidates is handled with care and in compliance with GDPR regulations. Your personal data will be stored securely and only for the duration necessary under the law. If the recruitment process is unsuccessful your data will be retained for 5 (five) years to consider you for future opportunities. After this period your data will be deleted or case you do not wish for the company to keep your CV and personal data please send an e-mail to .