Senior Software Engineer

Do you want to shape the architecture of a cloud-native platform from the ground up — and lead the development of a scalable system managing thousands of connected devices?
Our RTX Cloud product team is looking for a new technical lead developer for our Cloud Service offering.
We are building a scalable, cloud-native platform to manage and monitor a large fleet of connected devices deployed across multiple customer environments. The platform is hosted primarily on AWS and leverages services like EC2, ECS, S3 etc. Communication with devices is done over MQTT. The system must be highly available, secure, and reliable. You can read more at /
You will be part of a team developing the RTX Cloud platform. As the platform launch is still limited in features, you will be working closely with Product management and be able to influence features and design daily.

Key Responsibilities:
As part of the RTX Cloud team, you will be working with and responsible for:
• Leading the team and leading by example
• Introducing and ensuring best practices and processes in the team
• Ensuring the system is secure, monitored and resilient
• Participate in code reviews and ensure quality is met
• Lead task planning and coordinating, reporting on KPIs
• Reporting on internal KPIs

Exciting Challenges:
• Tackle complex problems and develop innovative solutions that will be used by leading organizations in the telecommunications industry.
• Experience the satisfaction of seeing your work integrated into large-scale VoIP systems and contributing to the future of wireless communication.

Qualifications:
You thrive in a team environment but are also capable of working independently. We expect you to be flexible and take ownership of your tasks. You approach problem-solving methodically and maintain a strong focus on delivering high-quality results.

We expect you have:
• solid experience with NodeJS / React / Typescript / NestJS
• experience in building APIs and Micro Services
• experience in leading a team and/or technical projects
• a good understanding of good code practices
• experience with continuous integration and continuous deployment
• excellent English written and oral documentation and communication skills
• a MS/BS in Software Engineering, Computer Science, or other related experience

It will be beneficial if you have
• experience with IoT, MQTT, Docker and AWS
• experience with security, vulnerabilities, and patching
• experience with software testing and debugging
• experience with bug tracking (Jira or other)
• experience with source code management tools (Git or Mercurial)

What we offer:
At RTX, we can offer a job in an international business in growth with a flexible and flat management structure, where you will work with challenging tasks, interesting technologies, and a team of highly skilled and highly motivated people. You will have the opportunity to influence and contribute to the successful growth journey of RTX.
Who we are:
At RTX, wireless is not just wireless! We make an effort to understand how the specific use cases can be optimized through wireless technology. As well as explore how the link between products configured in a system can make a difference and help the user perform at their best.
We innovate, design, and manufacture wireless communication solutions within three segments:
• Enterprise solutions covering, amongst others, wireless communication systems connecting handsets and headsets via base stations for industries like retail, offices and call centers and manufacturing facilities.
• Healthcare solutions where wireless systems are used for monitoring critically ill patients, among others.
• ProAudio, making module solutions used in wireless microphones for e.g. concerts and conferences, as well as intercom headset systems used in different industries ensuring direct, clear and reliable communication.
We have the ambition to create ground-breaking technologies while also creating value for our customers and end-users. Working in close partnership with our customers, we offer customized, ‘turn-key’, end-to-end solutions with full product lifecycle management designed to meet the ambition of their portfolio and brand.
At RTX, you get to unfold your ambitions in an international environment. We offer our employees a multitude of opportunities to use their skills in an international environment in cooperation with customers and partners around the world. We are a European company operating globally and employ 300+ people at our locations in Denmark, Hong Kong, USA and Romania with our headquarter in Nørresundby.
Be social – be there! At RTX, we value the social aspect very highly. For RTX to be a great place to work, we find it very important to support a strong social community.
We have an informal and casual working environment and we believe that with a strong community we can provide the best solutions.
We believe in flexibility: you will have support and flexibility for your other responsibilities.

Region:

• Transilvania region

Expected start date:
05/01/2026

Location:
Cluj-Napoca

Company homepage:

Office address:
Strømmen 6 9400 Nørresundby

Office location:
Location marker at

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