Principal Backend Engineer – Python

About Marlink Wherever our customers are in the world, we help them digitalise and optimise their remote business processes using advanced hybrid network solutions and digital technologies. Company Description Wherever our customers are in the world, we help them digitalise and optimise their remote business processes using advanced hybrid network solutions and digital technologies. Our teams work together across the globe, using constant innovation, expertise and applied technology to bring systems and people together with a future focus. We push boundaries. We combine unrivalled resources and expertise in field engineering with advanced digital technologies such as cyber security, IT, and cloud enablement. Today, we employ 1500 people in over 30 countries, with customers in the maritime, energy, and humanitarian sectors. We believe in creating a culture where you can develop and thrive. Our commitment to excellence drives our success. About OmniAccess OmniAccess is a leading managed service provider of premium connectivity, networking and cyber solutions. From our headquarter in Palma de Mallorca we cater services for superyachts, boutique cruise and research vessels, with a very strong commitment to service quality & availability. As part of our integral end-to end solutions, we design, implement and support onboard IT networks, bandwidth management tools and cyber security services, all aimed at providing our clients with premium digital solutions and the best possible user experience. In 2018, OmniAccess joined forces with the Marlink Group. Marlink is a managed service provider and global leader in remote ICT solutions with annual revenues surpassing $800 million and 1,500 employees operating in more than 30 countries. Wherever our customers are in the world, we deliver them possibilities to work smarter and to operate more effectively, more safely, more sustainably
- without the limitations of technology. With our possibility platform, we enable a comprehensive suite of end-to-end managed solutions (Connectivity, Network, Cyber Security, Cloud & IT, IoT & Apps), supported by professional services, unmatched global operations and delivery capabilities and local support teams. As a global company with a local focus, we help make tomorrow’s possibilities today’s realities. This strategic partnership has enabled us to expand our reach and capabilities, offering our clients an even broader range of innovative digital solutions and unparalleled support. At OmniAccess, our vision is bold and clear: to deliver possibilities anywhere, empower innovation everywhere, and shape the future of maritime digital solutions.

About The Role
We are seeking a Principal Backend Engineer to join our Cyber & Platform Development Team. In this role, you will shape the backend architecture and technical direction of our platforms while remaining hands-on in the design and delivery of reliable services and APIs. You will work with Python and Node.js across interconnected systems, including messaging and data processing. You will co-own the backend technology stack with other technical leaders, guide engineering decisions across teams, and mentor developers. You will balance scalability, security, maintainability, and delivery needs in an agile (Scrum) environment.

Key Responsibilities
* Backend Architecture: Define and evolve the architecture of services and APIs, with attention to scalability, performance, reliability, and security.
* Hands-on Engineering: Design, develop, and review backend services using Python (Django or FastAPI) and Node.js; work with databases and message brokers such as RabbitMQ.
* Technical Leadership: Co-own the backend technology stack with other principals and lead backend councils to agree on standards, architectural choices, and implementation plans.
* Cross-System Collaboration: Build an understanding of dependent systems and work with product managers, architects, DevOps, and other engineering teams to align technical decisions with business goals.
* DevOps and Reliability: Improve CI/CD workflows, deployment practices, monitoring, and logging in collaboration with the teams responsible for platform operations.
* Delivery and Quality: Break down complex work, identify technical risks early, and help teams deliver through testing, peer reviews, documentation, and sound engineering practices.
* Mentorship and Knowledge Sharing: Support mid-level and junior engineers through design discussions, code reviews, and coaching; share knowledge across teams.
* Technology Evaluation: Assess new backend technologies and practices, and guide their adoption when they improve the product without compromising stability. Minimum Requirements
* Extensive professional experience in backend software development, including technical leadership and ownership of production systems.
* Strong proficiency in Python and Node.js, with experience designing REST APIs and integrating SQL or NoSQL databases.
* Experience desig