> Markdown version of [/jobs/ext/4047821-medior-software-engineer-ess](https://www.wearedevelopers.com/jobs/ext/4047821-medior-software-engineer-ess). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Medior Software Engineer ESS - **Company:** Alfen - **Location:** Almere, Netherlands - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** C (Programming Language), Agile Methodology, C++ (Programming Language), Software Quality, Code Review, Computer Engineering, Linux, Python (Programming Language), Software Architecture, Software Maintenance, Software Engineering, Software Requirements Analysis, Software Systems, Strategies of Testing, Information Technology, Industrial Software - **Published:** October 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=237c85805059988b ## About the Role For this role, we are looking for a software engineer with a strong technical foundation and a passion for technology and innovation. You have: * A completed Bachelor's or Master's degree, preferably in Computer Science, Software Engineering, or a related field. * 3-5 years of experience in software development, preferably with C, C++, Python, and Linux. * Interest in or experience with Energy Storage Systems (ESS) or industrial software systems. * Experience working in an Agile development environment. * Strong communication skills and the ability to collaborate effectively in multidisciplinary teams. * A proactive mindset and the motivation to continuously learn and improve. ## Description As a Software Engineer, you will work together with a team of engineers to develop reliable and scalable software solutions for ESS. You actively contribute to the development of new functionalities and help improve the quality and performance of our software., * Software development: Develop and maintain software for Energy Storage Systems (ESS), ensuring it meets performance, reliability, and quality standards. * Team collaboration: Work closely with other software engineers, testers, and architects to implement solutions that meet product and system requirements. * Contributing to architecture: Contribute to discussions about software architecture and technical solutions, helping implement robust and scalable systems. * Technology and innovation: Stay up to date with new technologies and tools and contribute to improving development processes and software quality. * Cross-functional collaboration: Work together with other departments such as Product Management and Hardware Engineering to translate technical requirements into effective software solutions. * Quality and continuous improvement: Participate in code reviews, testing strategies, and best practices to improve software quality and the development process., Alfen is a leading player in the energy transition. As a Software Engineer, you will contribute to technologies that shape the energy grid of the future. You will work in an innovative environment where collaboration, development, and technology are central., Our department consists of a wide range of experts and offers a dynamic working environment where collaboration and innovation are key. You will work together with an international team of engineers on solutions that have a global impact.