Backend Engineer

At ISS Tech Team we are investing in innovative and integrated technological solutions for the Facility Management Industry with a tech team headquarted in Copenhagen, Warsaw and Porto. Our Porto Tech hub is the first dedicated space at ISS specifically set up for software development and support of our digital landscape. It acts as a powerhouse where our employees test and implement products for over 40,000 clients and 350,000 Placemakers around the world. We need more talents to make our journey successful. Would you be interested in becoming one of them?

Are you ready to transform the Integrated Facility Management Industry? 

To become the technology leader in the Integrated Facility Management industry (FMS), we're developing digital components connected by AWS and Azure cloud solutions, we build up our machine learning models to make yet better use of our wealth of data, create predictions, and advanced AI for custom Large Language Models (LLM)! 

We take care of office buildings worldwide ! These offices are increasingly equipped with technology, such as sensors and Internet of Things (IoT) devices, to support a more productive and seamless workday for employees. The purpose of our Porto innovation lab is to develop differentiating, high-quality, and scalable digital solutions for both the ISS enterprise and customers worldwide.

We implement devices all over the place to make the buildings we serve digital and friendly. 

Be a part of a unique journey in the tech world!

At ISS, as a Backend Engineer with a background in IoT, you will be instrumental in turning our vision of smart, responsive buildings into reality. Your expertise will drive the design and implementation of IoT solutions that transform conventional facilities into intelligent ecosystems, enhancing both operational efficiency and occupant experience.

You’ll work closely with diverse teams—developers, engineers, facility managers, and customers—to ensure our IoT systems are not only technically robust but also user-friendly. Additionally, you will oversee the IoT deployments across multiple sites and regions, helping to standardize facility technologies on a global scale.

Your efforts will have a direct and lasting impact on how ISS redefines facility management in the digital era, creating smarter, more efficient, and responsive environments for facility managers worldwide…

Location: Porto, Portugal

Work model: Hybrid

Your Day-to-Day Journey at ISS Tech Portugal:

• Develop and maintain backend services and APIs using C# in a cloud-native AWS environment.
• Design, implement, and optimize scalable, secure, and efficient solutions on AWS infrastructure.
• Collaborate with cross-functional teams to define technical requirements and create robust backend systems.

What makes you a great fit:

• Bachelor's or Master degree in Computer Science, Software Engineering, or a related technical field.
• <2 years of experience in backend development, with a strong focus on C#.
• Exposure to cloud architecture and AWS services (e.g., Lambda, EC2, S3, RDS, API Gateway).
• Exposure database technologies (e.g., SQL Server, DynamoDB).
• Self-motivated and a passion for backend development.
• Adaptable and proactive, with a focus on continuous learning and improvement.
• Good communication skills; allowing free communication with the international environment (written and verbal).

What we offer:

• 22 days of annual leave per year +3 company leave days.
• Flexible working hours & hybrid working model.
• Modern, well-equipped office in the heart the city of Porto.
• Free parking.
• Health Insurance (employee).
• Permanent contract.
• ISS Tech Communities (Sports, Gaming & Band).
• Free access to company Gym.
• Snacks and drinks at the office.

ISS is a Place to Be You!

Since our founding in 1901, ISS has been a people-first company. We recognize the power of diversity and celebrate the differences that make us unique. When everyone is free to be themselves, everyone benefits. Our people feel safe, respected, represented, and supported as their authentic selves, allowing them to seize opportunities and reach their full potential. We take seriously our obligation to improve lives, make a difference in our communities, and protect our planet — because when we get things right, the world works better. And that is what drives us.

Be who you are. Become what you want. Be part of something bigger.

Become more. Become ISS.