Master Developer in ERS

## Grow with us

About this opportunity

You will join the Ericsson Routing Suite (ERS) team, a small but highly important engineering team responsible for developing and maintaining ERS. The suite is used across several Ericsson products, including MINI-LINK, SMX, CMX, TN, and eVIP.

The team works across the full software development lifecycle. Its responsibilities include developing new capabilities, resolving customer technical reports, improving product quality, and executing the strategy for a modernized ERS that can support future ML Aurora products.

Since the team is small and its technology is strategically important, every team member has a meaningful impact on Ericsson products and customers.

As a Master Developer, you will contribute deep expertise in IP routing protocols and advanced software development. You will solve complex technical problems, implement robust and maintainable solutions, support customer needs, and help shape the evolution of ERS.

Last day of application: 18 September, 2026.

What you will do

• Develop, enhance, and maintain Ericsson Routing Suite software
• Design and implement solutions for complex IP routing protocol challenges
• Develop high-quality production software in C and C++
• Build and improve test automation using Java, Python, and Robot Framework
• Contribute to the modernization of ERS and its readiness for future ML Aurora products
• Investigate and resolve customer technical reports and product issues
• Lead technical subprojects, prototypes, and engineering investigations from concept through implementation
• Collaborate with software developers, testers, architects, product stakeholders, and customer-facing teams
• Communicate technical decisions, risks, progress, and recommendations clearly to diverse stakeholders
• Contribute to a culture of engineering excellence, knowledge sharing, and continuous improvement

The skills you bring

• Expert-level knowledge of IP routing protocols and routing software development.
• Master-level software development experience in C and C++
• Strong experience with Linux-based software development and debugging
• Advanced experience with test automation using Java, Python, and Robot Framework
• Demonstrated ability to solve complex software engineering problems independently
• Experience leading technical workstreams, subprojects, prototypes, or similar initiatives
• Strong communication and collaboration skills, with the ability to work effectively across organizational boundaries
• A flexible, delivery-oriented mindset and the ability to adapt to changing priorities
• Interest in, or practical experience with, applying AI to software development, testing, or engineering productivity

It is an advantage if you have

• Experience developing MINI-LINK or Ericsson Routing Suite software.
• Experience with Ericsson product development processes and large-scale telecommunications systems.
• Practical experience applying AI techniques in software engineering or network technology.
• Experience working in Agile development environments.
• Previous technical leadership experience, such as Scrum Master, Operational Product Owner, technical lead, or equivalent.

Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Hungary (HU) || Budapest

Req ID: 790159