SBC Software Development Engineer

Job Description

Nokia Cloud and Network Services, IP Telephony Applications R&D team is seeking a highly motivated SBC Software Development Engineers to address the growing business needs of Nokia Session Border Controller (SBC) product. The SBC offers Service Providers an economical and reliable means to secure and control media and signaling streams. Its role encompasses securing diverse IP accesses and facilitating the delivery of all IMS services. Additionally, it extends support for roaming, IMS interconnection, and corporate SIP trunking scenarios within peering networks.

We are looking for candidates at the mid/senior level.

How You Will Contribute And What You Will Learn

Your primary responsibility will be:

• To develop and validate call processing software essential for the functioning of our critical voice core infrastructure.
• Actively participate in the feature design phase alongside system engineers and software architects.
• Ensuring adherence to the highest standards of quality and security.
• You'll be instrumental in providing support, resolving issues, and conducting root cause problem-solving for customer-reported concerns.
  
  

Key Skills And Experience

You Have:

• Experience in C and C++ development and testing (minimum 2 years).
• Proficiency in Design patterns, Data structures, Object-Oriented Programming (OOP) & Object-Oriented Design (OOD) concepts and algorithms, with demonstrated application in a professional software team setting.
• Understanding of IP networking, including protocols, architecture, and troubleshooting network issues.
• Experience with Linux.
• Proficiency in agile software development processes, methodologies, and toolsets.
• Demonstrated aptitude for troubleshooting and resolving issues within intricate technical landscapes.
  
  

It would be nice if you also had:

• Other scripting languages, and coding (e.g., Python, Bash).
• Familiarity with Git for version control.
• Experience with Continuous Integration and Continuous Deployment (CI/CD) pipelines, including tools like Jenkins, GitLab, Gerrit.
• Knowledge of various database solutions such as MariaDB, MySQL, Redis, etc.
• Familiarity with telecom concepts (IMS) or other embedded systems dealing with real-time applications.
• Knowledge of telecom protocols, especially SIP, Megaco and Diameter.
• Experience with cloud runtime environments, encompassing both OpenStack and VMWare.
• Knowledge of Cloud Native Computing Foundation (CNCF), with a focus on Kubernetes, is beneficial.
  
  

About Us

Advancing connectivity to secure a brighter world.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world.

Learn more about life at Nokia .

Our recruitment process

We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.

If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia .

About The Team

Some of our benefits in Poland :

• Flexible working arrangements to support work–life balance
• Health and well-being support – private medical care for you and your family, life insurance, mental health programs, and employee resource groups
• A minimum of 90 days of Maternity and Paternity Leave based on eligibility
• Meal and lifestyle perks – Lunch Pass (monthly meal subsidy), Nokia Social Fund (sport card, cinema tickets, loans)
• Volunteering – two paid days per year for community or charitable activities
• Career growth & mobility – technical career path, job rotation, and domestic relocation support
• Continuous learning – mentorship programs, digital learning platforms and tools
• Annual bonus – based on individual and company performance
• Pension scheme (PPE) – available after 36 months of continuous employment
• Car benefit – the eligibility for a company car is based on employee’s job grade