Senior Software Engineer - Performance (Remote Greece)

Req ID: R33556

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Senior Software Engineer - Performance (Remote Greece)

  • Remote, Greece
  • Patras, Achaia, Greece
  • Full_time

Citrix builds the secure digital workspace technology that frees 400,000 customers to do their very best work from anywhere. By joining our award-winning workplace, you’ll be included in the globally diverse, collaborative team that values work-life balance. Come see why Fortune named us one of the 100 Best Companies to Work For®. Let’s innovate and grow together!

What we're looking for:

Position Summary

We believe work is not a place, but rather a thing you do. Our technology revolves around this core philosophy. We are relentlessly committed to helping people work and play from anywhere, on any device. Innovation, creativity and a passion for ever-improving performance drive our company and our people forward. We empower the original mobile device:  YOU!

You will join a team of experienced and dedicated software engineers based in Patras and remotely all over Greece, with years of history delivering high-quality carrier and enterprise grade products, in a fast-paced business environment, and will have the potential to collaborate with fellow engineering teams across the globe.

The Senior Performance Engineer will incorporate industry best practices as to optimisations, profiling, system analysis and design into all aspects of the software development lifecycle to advance product performance. Furthermore will develop, monitor, analyze and maintain tools and automation to quantify and analyze the performance benchmark of a variety of applications and platforms for our core networking business and product portfolio.

Our market leadership and large installed customer base present a unique opportunity to experience real-life field deployments and problem-solving techniques that will become an invaluable individual career asset. This is a position with high visibility across the organization that will give you the opportunity to make significant contributions to our infrastructure while working with a multitude of teams on a variety of projects, including customer demos to showcase competitive  performance advantages of our product.


  • Work on performance optimization of existing code and architecture.

  • Proposing and prototyping software changes to improve system performance.

  • Analyze and monitor system performance trends and recommend improvements.

  • Establish performance objectives and communicate design guidelines for high quality software performance development.

  • Troubleshoot performance related bottlenecks and provide insights/suggestions at platform or  network teams.

  • Work under accelerated software development cycles, and help ensure that shipped products meet rigorous standards of quality and are delivered on time.

  • Work closely with sales and product teams to analyze user needs and operational constraints to determine technical requirements.

Qualifications and Requirements:

The position requires a  Software engineer professional, with 3-5 years of related hands-on work experience in developing and implementing software applications.

Essential requirements:

  • Bachelor’s degree in Computer Science or related subject area.

  • Hands-on Strong Software Development Skills in one or more programming languages (C, Python).

  • Excellent Computer Networking Skills and related protocols (TCP/IP) knowledge.

  • Experience in design, development and testing of highly available software products.

  • Employing software engineering and development best practices.

  • Good knowledge and exposure to Linux programming.

  • Critical thinking and proven track record of problem solving skills.

  • Excellent verbal and written Greek and English communication skills.

Desirable attributes:

  • Hands on experience on optimizing Software for specific architectures (x86-64).

  • Exposure to  cloud services: OpenStack/AWS/Azure/Google Cloud.

  • Exposure to XenServer, VMware, KVM virtualization environments.

  • Relevant experience with system level, performance, capacity, longevity testing.

Functional Area:

Software Development

What you’re looking for:

Everyone is welcome at Citrix. We prioritize diversity, equity, inclusion, and a culture of belonging, and celebrate bringing our courageous, authentic selves to work. We believe this way of working helps us innovate, and it’s just one of the reasons why our employees continuously recognize Citrix as a great place to work.

Citrix helps make work more sustainable to benefit the planet, our business, and our communities. For more than 30 years, we have empowered individuals and organizations to work remotely or work from anywhere, reducing commuting emissions and energy consumption in the process. 

We are the #1 leader in Virtual Client Computing (VCC) and #2 in the Application Delivery Controller (ADC) space, and we have key partnerships with top cloud providers. We’ll give you the tools, learning opportunities, mentorship, and flexibility to achieve your goals. Come see why you belong at Citrix, with our culture supporting purposeful innovation and growth from within. 

The Benefits

We offer a competitive total rewards package* that includes:

  • 18 weeks of paid parental leave
  • Health and wellness benefits
  • Employee assistance program
  • Retirement benefits
  • Time off and absence programs
  • Professional development and mentorship opportunities
  • Paid volunteer time and charitable matching of employee donations
  • Employee resource groups
  • And more!

**Please note that benefits may vary based on location.

Citrix Systems, Inc. is firmly committed to Equal Employment Opportunity (EEO) and to compliance with all federal, state and local laws that prohibit employment discrimination on the basis of age, race, color, gender, sexual orientation, gender identity, ethnicity, national origin, citizenship, religion, genetic carrier status, disability, pregnancy, childbirth or related medical conditions, marital status, protected veteran status and other protected classifications.

Citrix uses applicant information consistent with the Citrix Recruitment Policy Notice at

Citrix welcomes and encourages applications from people with disabilities. Reasonable accommodations are available on request for candidates taking part in all aspects of the selection process. If you are an individual with a disability and require a reasonable accommodation to complete any part of the job application process, please contact us at (877) 924-8749 or email us at for assistance.

By applying, you are giving Citrix consent to be considered for future openings of other roles of similar qualifications.

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