Backend Developer

At Lely, we develop technology that helps shape the future of sustainable dairy farming. From robotic systems to digital farm management solutions, software plays a crucial role in creating reliable, scalable products that support farmers worldwide.

As a Backend Developer, you contribute to the digital backbone behind our robotic ecosystem. You work on systems that enable reliable communication, data processing, and robot management at scale. Your work directly supports innovations that improve animal welfare, farm efficiency, and sustainable food production.

In this role, you collaborate closely with software engineers, product owners, and other stakeholders in multidisciplinary Scrum teams. Together, you design and improve scalable backend services, translate business needs into technical solutions, and continuously strengthen the quality, performance, and security of our platforms.

Your main responsibilities

• Designing, developing, and maintaining robust and scalable backend services and RESTful APIs.
• Collaborating with multidisciplinary teams to translate functional requirements into sustainable technical solutions.
• Contributing to the development of future-proof platform modules and ensuring smooth integration with existing systems.
• Improving software quality, maintainability, and performance through testing, refactoring, and continuous improvement.
• Helping ensure secure and reliable systems by contributing to authentication, authorization, and cybersecurity best practices.

Do you have experience in TypeScript?, Do you have a Master's degree?, You are a software Developer who enjoys building reliable systems and solving technical challenges together with others. You combine a structured and analytical mindset with curiosity and a strong sense of ownership. You feel comfortable working in a multidisciplinary environment where software contributes directly to robotics and digital innovation.

You will likely recognize yourself in much of the following:

• A bachelor's or master's degree in Computer Science, Software Engineering, or a related field.
• At least 3 years of experience in backend software development.
• Experience with C#, JavaScript or TypeScript, and modern backend frameworks such as ASP.NET Core or ExpressJS.
• Experience designing and developing RESTful APIs and building scalable backend systems.
• Familiarity with CI/CD pipelines, Git, and cloud or container technologies such as Azure, Docker, or Kubernetes.
• An interest in software quality, testing, and secure development practices, including authentication and authorization concepts.
• Familiarity with cyber security (authentication, authorization, threat modeling).
• Strong collaboration and communication skills, with the ability to work effectively across disciplines and translate requirements into practical solutions.
• A self-starting personality. You are someone who doesn't wait for instructions and who starts designing and prototyping to prove whether concepts work or not.

Pulled from the full job description

• Pension plan
• Flexible schedule, * An international work environment that values collaboration, initiative, and diverse perspectives.
• A culture that encourages learning, experimentation, and ownership of ideas.
• Excellent employment conditions, including up to 8 weeks of vacation per year and a strong pension scheme.
• A Salary range of €5,000 - €7,100 gross per month, with clear opportunities for growth within the scale.
• Full ownership of your own development, with access to a wide range of courses through the Lely Academy.
• Daily access to outstanding sports facilities at the Lely Campus: an indoor gym, outdoor padel courts, basketball and volleyball courts, table tennis, and table football. You can join Hyrox workouts or sign up for personal training and challenge your colleagues during an active break.
• Fresh coffee and tea from our own barista (with milk from our own farm) and a healthy, affordable company restaurant.

Work-life balance

• A healthy work-life balance thanks to our hybrid working policy: you work at least three days a week on Campus, with flexible hours and plenty of opportunity to spend additional time onsite (between 06:00 and 20:00).
• A free shuttle bus that takes you to and from the metro station in Maassluis, ensuring your workday starts and ends smoothly.
• And of course: we love to celebrate! Whether it's an anniversary or the annual Christmas party. At Lely, we know how to do it. For an impression of our events, take a look at this video: https://www.youtube.com/watch?v=6WA3e0WHbxE

We are also proud that our vision and efforts have been recognized with the Rotterdam Entrepreneurs Award 2025.

Founded in 1948, Lely is committed to a sustainable, profitable, and enjoyable future in agriculture. Driven by the challenges faced by farmers and the needs of cows, we develop high-quality robots and data systems that improve animal welfare, flexibility, and productivity on dairy farms. Our mission is to support sustainable food production. For more than 30 years, we have been a global leader in the sale and service of automated systems for successive generations of dairy farmers. Every day, we inspire our colleagues to offer customers innovative solutions and to be a reliable partner for long-term advice and support. With our state-of-the-art Lely Campus in Maassluis and a global network of dedicated Lely Centers offering customized sales and service, Lely is active in more than fifty countries., Working at Lely means contributing to sustainable progress within one of the most innovative organizations in the Netherlands. You help make the agricultural sector more futureproof, and we ensure you have the space, resources, and support to do so.