Senior Backend Engineer

Build the backbone of next-generation marine operations

Entail is at the forefront of revolutionizing marine operations through the power of automation and advanced engineering. Combining deep domain expertise with a strong tech backbone, we are pushing the boundaries of what engineering analysis can be. Entail is developing the next-generation platform that transforms how marine operations are engineered and executed. By combining advanced scheduling, real-time collaboration, AI-driven analysis, and automated reporting, it provides offshore contractors with a radically more efficient way to plan and deliver complex marine projects. The platform systematizes engineering know-how, integrates weather risk modeling, and streamlines communication across stakeholders, from tender to offshore execution.

To accelerate the next phase of our development, we are expanding our engineering team and looking for a Senior Backend Engineer to help us build and scale the core of our SaaS platform.

With your help, we will position our platform to become the go-to solution for smarter, faster, and safer operations across the industry.

About the role

As a Senior Backend Engineer, you will play a key role in shaping the technical foundation of our platform. You will work closely with our Tech Lead and cross-functional team to design and implement core services that power both internal and customer-facing features. This includes designing microservice architecture, building APIs, managing cloud infrastructure, and contributing to the operability and maintainability of the system.

You’ll join a skilled team with deep experience in both physics and software. This is a hands-on role with architectural responsibility, ideal for someone who wants to build reliable, scalable backend systems in a growing and purpose-driven context.

Essential responsibilities

• Collaborate with our Tech Lead on system architecture, service design, and DevOps strategy.
• Translate domain models and early-stage concepts into working software and APIs.
• Develop and maintain core backend services for platform features such as user management, access control, event handling, and internal tools.
• Set up and manage environments for development, testing, and production using IaC tools.
• Contribute to best practices for testing, deployment, monitoring, and documentation.
• Participate in architectural workshops, domain mapping sessions, and internal technical planning.
• Take part in development of existing backend services such as Tailor and ANALYSE.Lift, and shared domain libraries.

What you’ll need to succeed in this role

We are open to different backgrounds for this role. You might bring domain understanding from offshore or subsea operations, or come from a pure software engineering path. What matters is your depth in backend development and ability to contribute across architecture, development, and operations.

We encourage individuals from diverse backgrounds, experiences, and perspectives to apply. You don’t need to meet every requirement , we value motivation, curiosity, and a willingness to grow.

What you’ll get

Important requirements

Working languages : Norwegian and English. Professional working proficiency in English is a requirement.

Location : Oslo / Nydalen. The role is primarily office-based to ensure close collaboration with the team, but working from home is possible when needed.

Ready to make waves?

If this opportunity sparks your interest and you’re excited by the chance to shape the future of marine operations, we’d love to connect. If you’re interested in learning more about the position, feel free to reach out to Erlend Sletvold at /

Applications are reviewed on a rolling basis.

Entail is the controller of your personal data for the purposes of this recruitment. Amby AS acts as the processor of your personal data, except when you agree to join our Talent Pool, in which case Amby also becomes the data controller. We process your personal data to manage and conduct the recruitment process. You have the right to access your data, request rectification, erasure, and restriction of processing, as well as the right to object to processing and data transfer. For a more detailed understanding of how we handle your data, the purposes of processing, and your rights, please refer to Amby's Privacy Policy and Entail's PrivacyPolicy .

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