Freelance C# Web Developer for ESG Platform

Salary Competitive

Are you a skilled C# web developer looking for a freelance opportunity to contribute to ESG-driven digital solutions? ReFlow is seeking a Freelance Consultant Web Developer to support the development of Yardscore, our ESG-focused platform.


About ReFlow & Yardscore

ReFlow is an environmental engineering firm specializing in ESG data solutions. We provide data-driven tools that help maritime, renewable energy, and manufacturing companies make informed sustainability decisions.

Yardscore is our ESG assessment platform designed to evaluate and improve sustainability performance in shipbuilding, retrofitting, and maintenance. The platform enables shipowners, yards, and suppliers to assess environmental impact and compliance with evolving ESG regulations.


Position Overview

We are seeking a freelance C# web developer to collaborate with our Oslo-based team to develop new features and improve Yardscore. The role involves working with .NET Core APIs and Angular applications, ensuring the platform is scalable, user-friendly and meets the maritime sector's needs.


Key Responsibilities

Web Development:

  • Develop and maintain features for Yardscore using .NET Core (C#) APIs and Angular.

  • Ensure code quality and maintainability through best development practices.

  • Optimize platform performance and scalability.

Collaboration & Support:

  • Work closely with our Oslo-based development team, including developers and product managers.

  • Provide technical insights to enhance ESG data processing and visualization.


Required Skills & Experience

  • .NET Core (C#) and Angular expertise.

  • Experience with RESTful APIs and web application development.

  • Strong knowledge of SQL databases and data modeling.

  • Ability to work independently while collaborating with a remote team.

  • Strong problem-solving skills and attention to detail.

Nice-to-Have Skills

  • Familiarity with CI/CD pipelines and version control (Git).

  • Experience with cloud environments (Azure, AWS, or similar).

  • Understanding of ESG reporting frameworks and sustainability assessments.


What We Offer

  • Remote freelance work with flexible hours.

  • Opportunity to work on Yardscore, an ESG-driven platform shaping sustainability in the maritime sector.

  • Collaboration with a skilled Oslo-based team dedicated to environmental impact and digital innovation.

For more information or questions please contact us at fkj@re-flow.io

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Free coffee / tea
Free coffee / tea

Near public transit
Near public transit

Social gatherings
Social gatherings

Free office snacks
Free office snacks

Equity package
Equity package

See all 12 benefits

Working at
ReFlow - GreenTech for shipping

ReFlow is on a mission to support the decarbonization of the maritime industry. We are building a brand-new platform from scratch, designed to empower stakeholders with the tools and insights needed to drive sustainable change. We have a fun and social atmosphere, with an amazing location in the center of Copenhagen—right next door to the King and Queen! We’re a small, transparent team that shares insights into everything—from customers to numbers, the good and the bad. While we love working together in the office and prefer to have most of the team on-site, we're also quite flexible when it comes to remote work when needed. And did we mention the legendary post-lunch beer at the bar below? It's something you don’t want to miss! As a team, we win together, supporting each other every step of the way.

Read more about ReFlow - GreenTech for shipping

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