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

Used in 170+ countries, One Click LCA is the leading end-to-end sustainability platform for construction and manufacturing.
The AI-powered software decarbonizes and drives sustainability across the construction value chain with scientific, easy-to-use, automated life-cycle assessment (LCA) and environmental product declarations (EPDs) to calculate and reduce the environmental impacts of building, infrastructure, and renovation projects and products. The platform also allows assessment of circularity, life-cycle cost, and biodiversity. One Click LCA is used by blue-chip enterprises like AECOM, Arcadis, Foster+Partners, WSP, ArcelorMittal, Geberit, and Saint-Gobain, among others.
It offers a unique global database with +300,000 LCA datasets; supports +80 standards and certifications, including LEED, BREEAM, GRESB and other national regulations; and seamlessly integrates with +20 of the most widely used BIM software tools, including Autodesk Revit®, Tekla Structures® and Bentley iTwin®.
One Click LCA was founded in Helsinki, Finland in 2001, with a team of +200 people on all continents. Learn more at: oneclicklca.com