We are looking for an experienced Delphi Developer to join our growing engineering team. In this role, you will contribute to the development, maintenance, and modernization of our core software solutions built in Delphi, while collaborating closely with cross-functional teams to ensure product quality, performance, and usability. This is an exciting opportunity to combine technical expertise with a meaningful mission, building tools that directly support global sustainability and climate goals.

Why One Click LCA Group?

We have united the world’s leading sustainability solutions to accelerate the transition to a zero-carbon future. With One Click LCA and SimaPro now under one umbrella, we bring together the most trusted, science-based tools and expertise in the industry. Our combined platforms power environmental transparency, decarbonisation, and circularity across different industries and product value chains.

By integrating deep methodological expertise with innovative, AI-driven technology, we enable organisations to measure, understand, and reduce environmental impacts with accuracy and efficiency. Our solutions empower companies to make better decisions for the planet at scale.

Here you will join a supportive, effective, and mission-oriented team in a flexible, friendly work environment. You will be working with cutting-edge tools and a team of world-class professionals around the globe to solve one of the world’s biggest challenges.

This full-time, permanent position is available on a remote basis for candidates in Europe or on a hybrid basis for candidates in Finland/Netherlands.

What you will do:

Design, develop, and maintain applications using Delphi and related technologies.
Collaborate with product managers, QA engineers, and other developers to implement new features and improve existing functionality.
Ensure software quality through code reviews, testing, and debugging.
Optimise performance and scalability of applications.
Integrating applications with other technologies (e.g., APIs, databases, or web components).
Document technical specifications, processes, and code to support long-term maintainability.
Support the migration of certain functionalities to newer platforms, where needed.

What you need:

Strong knowledge of Object Pascal and Delphi frameworks.
Ability and experience in implementing efficient, maintainable, and complex algorithms.
Experience with databases (e.g., SQL Server, MySQL, or PostgreSQL).
Experience with Python and C#/.NET is an advantage.
Solid understanding of software development lifecycle and best practices.
Good problem-solving skills, with attention to detail and quality.
Ability to work both independently and collaboratively in a remote-first environment.
Proficiency in English, as it is our working language

What we offer:

Work in a growing business that helps bring about a zero-carbon future.
Fulfilling, meaningful work at a successful, stable and fast-growing business.
Substantial freedom – remote working supported.
Challenges, substantial responsibility and the chance to see the results of your work directly.
Competitive compensation and opportunity for professional development.
A dynamic, friendly, motivated and diverse team of top-notch professionals.
Great colleagues, social events and ability to contribute to market transformation.

Interested?

We are eagerly waiting for your application until 20 September 2026. Applications are reviewed upon receipt, so please apply promptly to be considered.

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Delphi Developer for a Sustainability SaaS