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Senior Software Engineer

Nokia

Nokia

Software Engineering
Romania
Posted on Feb 12, 2026

As a Senior Embedded Software Engineer, you are expected to be the technical anchor for our C/C++ software stack.

You will lead the design of complex system architectures, solve deep-level performance bottlenecks, and mentor the team in modern software engineering best practices.

You will bridge the gap between low-level silicon capabilities and high-level software orchestration.


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.



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.


Some of our benefits in Romania:
  • Flexible working arrangements to support work–life balance
  • A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
  • Medical insurance plan and annual reimbursements for dental, eyeglasses, or lenses
  • Sports, wellness, and culture reimbursements, including monthly support for activities, kindergarten, and after-school expenses
  • Ticket Restaurant e-card and transportation allowance for daily convenience
  • Generous referral bonus for referring qualified candidates
  • 24+ paid vacation days and three annual bonuses (Performance, Christmas, and Easter)
  • Well-being programs to support your mental and physical health
  • Opportunities to engage with Nokia Employee Resource Groups (NERGs), as well as access to mentors, coaches, and Employee Growth Solutions
  • A learning culture that promotes continuous personal and professional growth – for your role and beyond

Nokia is seeking a Senior Embedded Software Engineer to lead and mentor our team, focusing on C/C++ software stack development for complex system architectures and performance optimization.

  • 8+ years of proven software development experience, with a heavy focus on Linux-based system internals.
  • Expert-level knowledge of Modern C++ (11/14/17+), memory management, and high-concurrency patterns.
  • Architectural Leadership: Proven ability to design modular, scalable systems and define API boundaries between system components.
  • Advanced Linux Internals: Mastery of OS internals including process scheduling, memory mapped I/O, and the Linux networking stack (Netfilter, routing, etc.).
  • Hardware Bring-up & SDKs: Proven track record of bringing up new SoC platforms and working directly with vendor SDKs to bridge high-level software with low-level silicon capabilities.

Soft Skills

  • Strong analytical and problem-solving skills with high attention to detail.
  • Clear communicator and collaborative team player, able to explain complex technical concepts.
  • Adaptable, proactive, and comfortable working in fast-paced, agile environments.
  • Well-organized with strong time management skills and a commitment to continuous learning and improvement.
  • Time Management: Highly organized with the ability to manage multiple tasks and meet deadlines in a high-pressure setting.
  • Proactive Mindset: Ability to anticipate challenges, take initiative to resolve them, and continuously seek opportunities to improve processes.
  • Continuous Learning: A commitment to staying updated on industry trends, new C++ standards, and emerging cloud-native technologies.

Nice to Have

  • Telco Protocols: Familiarity with TR-069 (CWMP), USP (TR-369), and broadband standards like GPON, XGSPON, and DSL.
  • Ecosystems: Hands-on experience with OpenWRT (UCI, ubus, procd), Linux distributions (Yocto/Buildroot).
  • Security: Knowledge of Secure Boot, Trusted Execution Environments (TEE), and encryption at rest.

  • Develop high-performance applications and system services using C and C++.
  • Optimize and integrate code within Linux/Unix environments, including user-space and kernel-space interactions.
  • Stay current with industry trends, modern C++ standards, and emerging cloud-native technologies.
  • Collaborate with cross-functional teams while managing multiple tasks in a fast-paced environment.
  • Take initiative, drive process improvements, and ensure high-quality code and documentation.