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Embedded Software Intern (m/f/d)
Honeywell
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 11/2/2026
About this role
Job Description Honeywell is a Fortune 100 technology company that develops innovative solutions to some of the world's most important challenges, including safety, security, sustainability, and energy efficiency. Within Honeywell Building Technologies, we are shaping the future of connected commercial buildings through intelligent energy management and IoT-enabled solutions. We are looking for an enthusiastic Embedded Software Intern to join our engineering team in Horsham and contribute to the development of next-generation Building Energy Management System (BEMS) controllers. As part of an Agile Scrum team, you will work alongside experienced software engineers and architects, gaining hands-on experience developing embedded software that powers real-world products. You'll contribute to communication protocols, IoT connectivity, and control algorithms while learning industry best practices in software design and development. We are particularly interested in students who demonstrate a genuine passion for technology through personal projects, hackathons, open-source contributions, maker activities, or other initiatives outside of their academic studies. We're looking for someone who is curious, eager to learn, and excited to bring their own ideas and creativity to the team. Develop and enhance embedded software features for Honeywell's Building Energy Management System controllers. Collaborate with software engineers, architects, and test engineers within an Agile Scrum environment. Contribute to software design and implementation using object-oriented programming principles. Support the development of communication protocols, IoT connectivity solutions, and control algorithms. Participate in testing, debugging, code reviews, and continuous improvement activities. Share ideas, take initiative, and contribute to technical discussions across the team. Currently pursuing a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related discipline. Exposure to C++ is a plus; experience with Java, C#, or other object-oriented programming languages is also welcome. Interest in embedded software development and real-world product engineering. Evidence of personal projects, open-source contributions, hackathons, or other extracurricular technical activities. Understanding of object-oriented programming concepts; knowledge of embedded systems, UML, or IoT technologies would be advantageous. Passion for technology, a willingness to learn, and the confidence to share ideas and take initiative in a collaborative team environment. Equal Opportunities We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Join a team recognized for leadership, innovation, and diversity! Honeywell Technologies is a global, pure-play automation company with a legacy of innovating to help solve the world’s most mission-critical challenges, enhancing the quality of life for people and communities around the world. We serve the building, industrial and process sectors with a broad portfolio of services, solutions and products, underpinned by our Honeywell Technologies Accelerator operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain expertise of our more than 50,000 employees with decades of data from our global installed base, we are uniquely positioned to lead the industrial sector’s transition from automation to autonomy. Job Info Job Identification 158938 Job Category Engineering Posting Date 11/02/2026 Job Schedule Full time Locations 2nd Floor, Afon Building, Worthing Road, Horsham, West Sussex, RH12 1TL, GB (On-site) Hire Eligibility Internal and External Relocation Package None