Delphi Developer

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

We are powering the makers of a zero-carbon future. Used in 170+ countries, One Click LCA is the leading end-to-end sustainability platform for construction and manufacturing. The AI-powered software decarbonises 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.

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 based in Europe.

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.
• Optimize 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 1 October 2025. Applications are reviewed upon receipt, so please apply promptly to be considered.

We train, equip and support the makers of a zero-carbon future to tackle low-carbon design, planning, manufacturing, and procurement using life-cycle assessment to achieve zero.

This is how we do it:

• We train everyone in the world to life-cycle assessment via One Click LCA Academy for free.
• We provide software tools to decarbonize any project or product anywhere in the world.
• We create free resources and policy tools to power all the makers of zero-carbon future.
• We aim to power one million users by 2035.

Maximizing our decarbonization impacts

• We’re training tens of thousands of people for free annually via One Click LCA Academy.
• We provide One Click LCA Planetary, a free embodied carbon software for everyone.
• We author free policy papers and best practice guidelines for governments and businesses.

Supporting decarbonization outside our direct business

• We invested over 150 000 EUR in the creation of a surplus construction materials marketplace business to reduce site wastage and advanced regulations supporting this activity.
• We have invested 150 000 EUR in the construction of new primary wind power in Finland.
• We donate annually to a number of sustainability NGOs in line with our mission.

Minimizing our internal carbon impacts

• We’re a proud signatory of the World Green Building Council Net Zero commitment and shall achieve zero carbon facilities by 2030.
• We’ve invested in primary wind power generation capacity to power our entire operations.
• We minimize travel emissions by supporting remote work and encouraging public transport.
• We do not serve meat in any company events or dinners and use plant-based milk.
• We operate a paperless business.

• We have a very supportive, highly expert, and friendly team of colleagues.
• We leave staff a great deal of autonomy & freedom; you can get done what needs to get done.
• We have a low hierarchy and support an open flow of information.
• Our team is highly international and represents well over 20 nationalities.
• We work on the same mission together with our customers to create a zero-carbon future.

One Click LCA is a Helsinki-based tech company decarbonizing construction and manufacturing with world-leading, easy-to-use, and automated life-cycle assessment (LCA) to calculate and reduce the environmental impacts of building, infrastructure, and renovation projects — as well as construction and other manufactured products. It also enables manufacturers to generate and publish third-party verified EPDs and allows assessment of circularity, life-cycle cost, and soon also biodiversity.

One Click LCA is used in +170 countries. Its decarbonization platform includes a unique global database with +250,000 LCA datasets, and it supports +80 standards and certifications, including LEED, BREEAM, GRESB and other national regulations.

One Click LCA was founded in Finland in 2001 and has a team of +230 people on all continents.

Learn more at: www.oneclicklca.com