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Software Engineer Energy

Posted 28 Apr 2026
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Work experience
2 to 5 years
Full-time / part-time
Part-time
Job function
Salary
€70,000 per year
Degree level
Required language
English (Fluent)
Start date
1 October 2026

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About this job

We are currently looking for a (freelance) Software Engineer Energy to join the team in Eindhoven.

Operational energy flexibility refers to the ability of energy systems to adjust consumption and production based on external signals such as price changes or grid demands. Home Energy Management Systems (HEMS) leverage this flexibility to optimize energy use, reduce costs, and enhance grid stability. By integrating support for various devices, such as heat pumps using the S2 protocol, HEMS can achieve higher levels of efficiency and sustainability.

The project focuses on enhancing the open-source LF Energy FlexMeasures platform to serve as a comprehensive solution for interoperable HEMS across diverse use cases. This initiative aims to develop a fully operational HEMS that offers complete support for various device types, including heat pumps, over the S2 protocol.

The role entails contributing to the development and implementation of this open-source platform, integrating a fully S2-compliant protocol adaptor, and creating a flexible scheduler using existing algorithms. Collaboration with researchers and market partners is central to achieving modularity, efficiency, and scalability for the platform.

The available budget for the project is capped at €70k, with an estimated 1000 hours of software engineering work required, to be distributed over the project duration from October 2024 to June 2025, subject to possible extension based on funding approval.

Main responsibilities

  • Development & Integration: Implement full S2 protocol support for various energy assets within the FlexMeasures platform.
  • Scheduler Design: Design and integrate a new scheduling algorithm for HEMS, utilizing functionalities from previous projects such as the Horizon 2020 InterFlex project.
  • Documentation & Testing: Create detailed documentation and automated tests to ensure reliability, scalability, and robustness of the platform.
  • Collaborate with researchers and industrial partners to align on project goals and deliverables.
  • Enhance the modularity and scalability of the platform to support diverse energy optimization scenarios.

Requirements

Technical Skills:

  • Proficiency in Python and Java programming languages.
  • Experience with collaborative software development methods, including team-based development using GitLab.
  • Expertise in open-source software development and tools such as Git and AsyncAPI.
  • Familiarity with software architecture design, including microservices and containerization.
  • Knowledge of dynamic programming algorithms.
  • Background in energy management systems (EMS), particularly HEMS, and energy asset optimization algorithms.
  • Understanding of the S2 protocol (EN 50491-12-2) and its application.
  • Familiarity with the FlexMeasures codebase is an advantage.

Domain Expertise:

  • Proven experience in energy flexibility and the development of energy optimization algorithms.

Soft Skills:

  • Strong problem-solving skills.
  • A collaborative mindset and the ability to work effectively in multidisciplinary teams.

About the company

At S[&]T we contribute to a safer life on earth by translating space data into valuable and actionable insights. We oversee data from instruments to application, and apply our expertise within our software frameworks, information products and consultancy.

Sensing problems. Developing solutions.
Our Sensing and Control Systems provide new insights and access to what is happening in harsh environments. Scientific Data Processing ensures that you get the most out of the world's most under-utilized precious resource: data. We can then turn that data into smart decisions with our Intelligent Software Applications. Or if you need on-site support, we have…


Sensing problems. Developing solutions.
Our Sensing and Control Systems provide new insights and access to what is happening in harsh environments. Scientific Data Processing ensures that you get the most out of the world's most under-utilized precious resource: data. We can then turn that data into smart decisions with our Intelligent Software Applications. Or if you need on-site support, we have the brightest minds and greatest people in Technical Consulting for R&D.

Taking the R&D Journey Together
Research and development projects are usually long-term investments in complex systems involving stringent requirements, formalized relationship structures and interfaces, and highly impactful project phases and team scaling. It is important to have an experienced partner that is in it for the long haul. At S[&]T, we are relationship driven, and think not only about the first steps toward partnership, but the long-term win-win-win. We have flexible methods of partnering, and are able to support R&D via projects, personnel and products, depending on which method provides the best solution. Our open communication style and people-driven methods create smooth interfaces and ensure that we are a dependable partner through thick and thin.

Meant to be at S[&]T
At S[&]T, relationships always come first, and we treat our employees like we would like to be treated. We understand that smart people need flexibility, challenging projects, open communication and a motivating career path. If you would like to choose your own adventure when it comes to building a role that is right for you, we are here to support you along the way. Our flat structure and direct connections in a variety of R&D settings provides you with plenty of opportunity, while we also work hard to ensure that we create a fun environment along the way.

Aerospace & Defence
Delft
150 employees