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Levend Sayar Email & Phone Number
Senior Software Engineer
at
Corero Network Security (LSE: CNS) (OTCQX: DDOSF)
1 work email found
@karel.com.tr
1 phone found area 850
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Software Engineer
Location
Ankara, Turkey
Company size
Who is Levend Sayar? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Levend Sayar is listed as Senior Software Engineer at Corero Network Security (LSE: CNS) (OTCQX: DDOSF), a with 136 employees, based in Ankara, Turkey. AeroLeads shows a work email signal at karel.com.tr, phone signal with area code 850, and a matched LinkedIn profile for Levend Sayar.
Levend Sayar previously worked as Associate Distinguished Software Engineer at Afiniti and Senior Software Developer Team Lead at Karel. Levend Sayar holds Bs, Electrical And Electronics Engineering, 2.93 from Boğaziçi University.
Company email context
Email format at Corero Network Security (LSE: CNS) (OTCQX: DDOSF)
This section adds company-level context without repeating Levend Sayar's masked contact details.
{first}.{last}@karel.com.tr
86% confidence
AeroLeads found 1 current-domain work email signal for Levend Sayar. Compare company email patterns before reaching out.
Profile bio
About Levend Sayar
- Passionate for highest quality for every aspect of software development- A real problem fixer. Having probably the one of the best nose in the market that sniffs the real problem under the hood, when a piece of software doesn't work as expected- Lifetime learner- Team leader- Software/Cloud developer/architect - Graduated from best universities of Turkey- Proven to be smart (in the 0.01% at the nationwide university entrance exam, namely in the first 100 among more than 1 million people)
Listed skills include Sip, Linux, Embedded Systems, Software Design, and 19 others.
Current workplace
Levend Sayar's current company
Company context helps verify the profile and gives searchers a useful next step.
Corero Network Security (Lse: Cns) (Otcqx: Ddosf)
7 roles
Levend Sayar work experience
A career timeline built from the work history available for this profile.
Associate Distinguished Software Engineer
DPDK Service LeadWorking as the leader and main developer/architect of a team which supplies DPDK based solutions for data path optimization used in media applications.
Senior Software Developer Team Lead
Leading a team that develops UPF, User Plane Function, one the core component of 5G core network.Not only architecting the system, but also being the core developer of the team.C++ based development is using Intel DPDK for best performance at the data path.The final product will be responsible for all the packet transmission in a 5G mobile network which can be hundreds of gbps.
Jul 2018 - Mar 2021
Principal Software Design Leader
System Architect for Karel's new OpenStack based cloud service offerings. HP CloudSystem implementation and developing Django based web portal for "Karel Bulutta Konferans", a video conference service which is served by Karel public cloud.
Jan 2015 - Jul 2018
Principal Software Design Leader
Currently working as the lead software architect / developer and holds the scrum master position of an agile team that develops Karel UCAP product, a unified communication system software which has a very large code base including C++, Java, Ruby and Python based components and also including many technologies such as SIP, XMPP, Spring, Hibernate, Tapestry, CFEngine and many more.Also maintaining all build infrastructure based on Jenkins and managing build,test, deploy cycle of devops operations.
Jan 2011 - Dec 2014
Senior Software Engineer
. Developed low level drivers for serial I/O, reset management and resource monitoring (heaps, tasks and etc.) code on Intel i386 based digital PABX CPU board running on VRTX real-time operating system (in C). All porting of digital PABX system code from VRTX platform to Linux platform and making the software running not only on i386 board but also on PC platform and PowerPC embedded board (in C). All communication infrastructure of digital PABX system based on TCP/IP protocol running on Linux (in C). Multi-threaded Linux TCP/IP server used for various applications connecting to digital PABX system to use its services (in C++). Building firmware for PowerPC (PPC852T) based CPU board for digital PABX system (u-boot, kernel, ramdisk and mtd image creation). Management of various scripts used in software development and release environment for digital PABX system
Oct 2002 - Dec 2010
Software Engineer
Worked as a software engineer and part of a team that develops Windows based applications using Visual C++ and Borland Delphi.Developed Karel Net-Console product.
Dec 1996 - Nov 2001
Team & coworkers
Colleagues at Corero Network Security (LSE: CNS) (OTCQX: DDOSF)
Other employees you can reach at corero.com. View company contacts for 136 employees →
CP
Claudio Perez
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Provincia De Santiago, Santiago Metropolitan Region, Chile
View →
AL
Arthur Lau
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Nottingham, England, United Kingdom
View →
DB
Dimitry Barda
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Ukraine
View →
DA
Dominik A.
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Greater Edinburgh Area, United Kingdom
View →
MW
Mary Watson
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Washington Dc-Baltimore Area, United States
View →
RJ
Robert Johnson
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)San Francisco Bay Area, United States
View →
CL
Catrin Lewis
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)London, England, United Kingdom
View →
GC
Glenn Cionek
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Cambridge, Massachusetts, United States
View →
JA
Juli Ana
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Rondônia, Brazil
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JA
Jack Anderson
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Lebanon, Tennessee, United States
View →
Claudio Perez
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Provincia De Santiago, Santiago Metropolitan Region, Chile
View →
AL
Arthur Lau
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Nottingham, England, United Kingdom
View →
DB
Dimitry Barda
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Ukraine
View →
DA
Dominik A.
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Greater Edinburgh Area, United Kingdom
View →
MW
Mary Watson
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Washington Dc-Baltimore Area, United States
View →
RJ
Robert Johnson
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)San Francisco Bay Area, United States
View →
CL
Catrin Lewis
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)London, England, United Kingdom
View →
GC
Glenn Cionek
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Cambridge, Massachusetts, United States
View →
JA
Juli Ana
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Rondônia, Brazil
View →
JA
Jack Anderson
Colleague at Corero Network Security (Lse: Cns) (Otcqx: Ddosf)Lebanon, Tennessee, United States
View →
2 education records
Levend Sayar education
Bs, Electrical And Electronics Engineering, 2.93
Ms, Electrical And Electronics Engineering, 3.36
FAQ
Frequently asked questions about Levend Sayar
Quick answers generated from the profile data available on this page.
What company does Levend Sayar work for?
Levend Sayar works for Corero Network Security (LSE: CNS) (OTCQX: DDOSF).
What is Levend Sayar's role at Corero Network Security (LSE: CNS) (OTCQX: DDOSF)?
Levend Sayar is listed as Senior Software Engineer at Corero Network Security (LSE: CNS) (OTCQX: DDOSF).
What is Levend Sayar's email address?
AeroLeads has found 1 work email signal at @karel.com.tr for Levend Sayar at Corero Network Security (LSE: CNS) (OTCQX: DDOSF).
What is Levend Sayar's phone number?
AeroLeads has found 1 phone signal(s) with area code 850 for Levend Sayar at Corero Network Security (LSE: CNS) (OTCQX: DDOSF).
Where is Levend Sayar based?
Levend Sayar is based in Ankara, Turkey while working with Corero Network Security (LSE: CNS) (OTCQX: DDOSF).
What companies has Levend Sayar worked for?
Levend Sayar has worked for Corero Network Security (Lse: Cns) (Otcqx: Ddosf), Afiniti, Karel, and Karel Electronics.
Who are Levend Sayar's colleagues at Corero Network Security (LSE: CNS) (OTCQX: DDOSF)?
Levend Sayar's colleagues at Corero Network Security (LSE: CNS) (OTCQX: DDOSF) include Claudio Perez, Arthur Lau, Dimitry Barda, Dominik A., and Mary Watson.
How can I contact Levend Sayar?
You can use AeroLeads to view verified contact signals for Levend Sayar at Corero Network Security (LSE: CNS) (OTCQX: DDOSF), including work email, phone, and LinkedIn data when available.
What schools did Levend Sayar attend?
Levend Sayar holds Bs, Electrical And Electronics Engineering, 2.93 from Boğaziçi University.
What skills is Levend Sayar known for?
Levend Sayar is listed with skills including Sip, Linux, Embedded Systems, Software Design, Telecommunications, C, Software Engineering, and Java.
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