Senior Backend Software Engineer
At ZeroNorth, we are at the forefront of transforming the shipping industry through digital innovation. Our solutions go beyond optimising business operations, they are designed to lead the industry in sustainability by significantly reducing CO2 emissions.
Our core mission of making global trade greener drives everything we do. Your contributions will play a crucial role in reducing emissions, aligning commercial success with sustainability, and delivering benefits for both profitability and the environment.
ZeroNorth is powered by a diverse team of 550+ professionals with more than 38 nationalities, operating out of global hubs including Copenhagen (our headquarters), Athens, Chennai, Mumbai, New York, San Diego, Singapore, Sofia, and Tokyo.
We are leading the industry's green transition, enabling our partners to leverage data for actionable decarbonisation efforts.
Senior Backend Software Engineer at ZeroNorth
Are you an engineer who sees opportunity where others see complexity?
This isn't just another backend role; it's a high-impact mission to be a key force in transforming a core, revenue-generating application. You will be at the heart of a pivotal moment for our business, executing a critical technical vision.
We have a successful, live web application with a loyal customer base and a market ripe for expansion. Your primary challenge? To take this proven solution, dive deep into its current architecture, and become a driving force in its complete rewrite to align with our technology portfolio and meet our high engineering standards.
This is a rare chance to make your mark by future-proofing a successful product, blending strategic re-architecting with brilliant reconstruction.
Key responsibilities:
- Drive the technical rebirth of a market-leading application through a ground-up rewrite.
- Be a primary force in analysing the existing solution and contributing to the architecture of its next-generation replacement.
- Rebuild core functionality of a successful web application to meet modern engineering standards.
- Collaborate with product owners to design and implement new features that will unlock significant market expansion.
- Take full ownership of the components you build, from launch through their ongoing maintenance, performance, and continued growth.
- Actively pioneer the use of generative AI to assist in code translation, logic mapping, and accelerating the refactoring process.
Your profile:
- Has a track record of at least 5 years of software engineering experience, with a proven ability to dive deep into complex, existing codebases and leave them better than you found them.
- Is proficient and comfortable with the .NET CORE framework, a core part of our existing technology stack.
- Possesses solid experience with relational databases, including MS SQL Server and PostgreSQL, as well as ORMs, with a focus on Entity Framework Core.
- Is adept at working with modern cloud infrastructure and pipelines, specifically YAML, Terraform, GitHub Actions, AWS, or Azure.
- Exhibits a strong commitment to quality and craftsmanship, believing in the importance of writing and maintaining comprehensive automated tests (unit, component, integration, etc.) to ensure the robustness of the software.
- Is genuinely excited by the prospect of improving what's already there, understanding that true innovation often stems from meticulous refactoring and brilliant reconstruction, not just green-field development.
- Is pragmatic and curious about using new tools, and is excited by the prospect of leveraging generative AI to solve real-world engineering problems.
About ZeroNorth
At ZeroNorth, we aim to make global trade sustainable by steering the maritime industry toward zero emissions. Using advanced technology and trusted data, our platform delivers real-time insights to optimize operations and align commercial success with environmental impact.
We partner with customers on their journey toward sustainability, solving complex challenges and empowering informed decisions that benefit both the planet and their bottom line.
Our culture thrives on growth, inclusion, and collaboration. We value honesty, trust, and the unique contributions of every team member, driving meaningful change together.
Let's make global trade green.
- Team
- Bunker
- Locations
- Copenhagen
- Remote status
- Hybrid
- Employment type
- Full-time

Copenhagen
Our Workspace & Culture
As ZeroNorth continues to grow, our leadership in shipping digitalization only strengthens.
We firmly believe that unity drives progress. With a team composed of the industry’s most inventive minds, tech enthusiasts, and visionary thinkers, we foster a culture where collaboration is paramount, deeply rooted in the core of our mission.
Located in the vibrant heart of Copenhagen, our state-of-the-art headquarters is more than just a workspace; it's a symbol of our commitment to teamwork, valuing insights over hierarchy, and embracing adaptability.
As we navigate our growth and respond to the evolving needs of our team, we fully support a dynamic work environment, offering both in-house and remote work options.
About ZeroNorth
At ZeroNorth, we're on a mission to make global trade greener every day. In a world where regulations, geopolitical shifts, and environmental concerns shape the maritime industry, we aim to create positive impact and drive towards zero emissions.
Data-Driven Impact
Data is our compass. In a constantly changing world, we rely on data for truth. By combining innovative technology, expertise, and massive data sets, our platform ensures seamless information flow from ship to shore, serving as a single source of truth throughout the value chain.
Partnering for Success
We’re with our customers every step of the way, supporting their journey towards sustainable and digital excellence. Our team is dedicated to solving complex problems and aligning commercial success with sustainability. True success means empowering our customers to make decisions that benefit both profit and the planet.
Together, we can make global trade green.
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