SW engineer – Virtualization Development Expert

Location:

Sofia (1407) – Bulgaria

Salary:

Competitive

Type:

Permanent

Main Industry:

Search Information Technology Jobs

Other Industries & Skills: 

Finance, Banking & Insurance Legal

Advertiser:

SAP

Job ID:

132633398

Posted On: 

16 January 2026

We help the world run better

At SAP, we keep it simple: you bring your best to us, and we’ll bring out the best in you. We’re builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what’s next. The work is challenging – but it matters. You’ll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What’s in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed. 

SAP HANA Cloud Virtualization group is the leader in virtualization for in-memory high-end computing. The group’s innovative architecture reduces cloud cost by virtualizing storage as RAM.

Our developers are operating at the forefront of hardware virtualization technologies, developing network and storage device virtualization mechanisms coupled with most advanced CPU and memory virtualization technologies. We are looking for experts in x86 and ARM architecture, to focus on virtualization development, kernel development and device drivers.

Advantage: Knowledge in x86 and ARM processors, virtualization, algorithms and optimizations for high concurrency systems, cloud architecture. 

Key Responsibilities:

type=”disc”-
-Design and implement processors, devices, drivers, and memory-virtualization mechanisms.
-Lead projects from the planning phase to a working product.
-Write and debug low-level software–hardware interactions.
-Serve as the go-to person for other virtualization/kernel developers.
-Perform performance analysis and tuning for high-concurrency environments.Job Requirements:
type=”disc”-
-At least 10 years of experience in designing and developing low-level software systems.
-Highly motivated and ready for new challenges.
-B.Sc./Eng. degree in Computer Science or a relevant field, with a GPA of 85 or higher.
-Excellent coding skills in C and Assembly.
-At least 3 years of experience as an architect or team lead.
-Strong algorithm-design and problem-solving skills.
-Knowledge of x86 and ARM architectures.
-Experience in OS concepts, understanding, and development, especially Linux.
-Experience in high-concurrency software-development environments.
-Knowledge of device drivers.
-Experience in a Kubernetes environment – an advantage.
 

Bring out your best

SAP innovations help more than four hundred thousand customers worldwide work together more efficiently and use business insight more effectively. Originally known for leadership in enterprise resource planning (ERP) software, SAP has evolved to become a market leader in end-to-end business application software and related services for database, analytics, intelligent technologies, and experience management. As a cloud company with two hundred million users and more than one hundred thousand employees worldwide, we are purpose-driven and future-focused, with a highly collaborative team ethic and commitment to personal development. Whether connecting global industries, people, or platforms, we help ensure every challenge gets the solution it deserves. At SAP, you can bring out your best.  
We win with inclusion

SAP’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At SAP, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

SAP is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with SAP and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: Careerssap.

For SAP employees: Only permanent roles are eligible for the
SAP Employee Referral Program
, according to the eligibility rules set in the SAP Referral Policy. Specific conditions may apply for roles in Vocational Training.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity,  gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.
Successful candidates might be required to undergo a background verification with an external vendor.

AI Usage in the Recruitment Process

For information on the responsible use of AI in our recruitment process, please refer to our
Guidelines for Ethical Usage of AI in the Recruiting Process
.

Please note that any violation of these guidelines may result in disqualification from the hiring process.
Requisition ID: 444909  | Work Area: Software-Design and Development  | Expected Travel: 0 – 10%  | Career Status: Professional  | Employment Type: Regular Full Time   | Additional Locations:  #LI-Hybrid

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