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Vulnerability Researcher
Toka - Cyber Builders · Tel Aviv
Pay
Not listed
Setting
On-site
ALL JOBS
Vulnerability Researcher
R&D
Tel Aviv
Full-time
Description
We are looking for talented, fast learners to work on vulnerability research and exploitation in embedded and IoT environments. This role is ideal for researchers with strong low-level backgrounds who want to deepen their expertise in IoT and embedded systems security while working on real-world, complex technologies
You will analyze proprietary software and hardware, apply a deep understanding of low-level systems, and take your research from initial discovery to a full end-to-end solution in production.
Requirements
5+ years of experience as a security researcher or industry-equivalent experience.
Understanding of memory corruption (Stack/Heap, UAF) and logical vulnerabilities (Injection, Logic/Design flaws, TOCTOU).
Understanding of common security mitigations such as ASLR, DEP, and CFI.
Expertise in OS internals, file systems, network protocols and cryptography concepts.
Hands-on experience with reverse engineering and debugging tools such as IDA Pro or Ghidra, and GDB.
Proficient in Assembly, C, and Python.
Advantages
B.Sc. or M.Sc. in Computer Science, Mathematics, or Engineering.
Published research (CVEs, blog posts, or talks).
Experience with RF communication schemes such as WiFi, Bluetooth, GPS…
Experience with developing / researching in Android / iOS environments.
ALL JOBS
Terms & Policies · Cookies
Listed by Toka - Cyber Builders for a position based in the United States. Employers on this board attest they are hiring domestically.
Vulnerability Researcher
Toka - Cyber Builders · Tel Aviv
Pay
Not listed
Setting
On-site
ALL JOBS
Vulnerability Researcher
R&D
Tel Aviv
Full-time
Description
We are looking for talented, fast learners to work on vulnerability research and exploitation in embedded and IoT environments. This role is ideal for researchers with strong low-level backgrounds who want to deepen their expertise in IoT and embedded systems security while working on real-world, complex technologies
You will analyze proprietary software and hardware, apply a deep understanding of low-level systems, and take your research from initial discovery to a full end-to-end solution in production.
Requirements
5+ years of experience as a security researcher or industry-equivalent experience.
Understanding of memory corruption (Stack/Heap, UAF) and logical vulnerabilities (Injection, Logic/Design flaws, TOCTOU).
Understanding of common security mitigations such as ASLR, DEP, and CFI.
Expertise in OS internals, file systems, network protocols and cryptography concepts.
Hands-on experience with reverse engineering and debugging tools such as IDA Pro or Ghidra, and GDB.
Proficient in Assembly, C, and Python.
Advantages
B.Sc. or M.Sc. in Computer Science, Mathematics, or Engineering.
Published research (CVEs, blog posts, or talks).
Experience with RF communication schemes such as WiFi, Bluetooth, GPS…
Experience with developing / researching in Android / iOS environments.
ALL JOBS
Terms & Policies · Cookies
Listed by Toka - Cyber Builders for a position based in the United States. Employers on this board attest they are hiring domestically.
Senior Backend Engineer
Toka - Cyber Builders · Tel Aviv
Pay
Not listed
Setting
On-site
ALL JOBS
Senior Backend Engineer
R&D
Tel Aviv
Senior
Full-time
Description
Role Description
We are developing products and intelligence solutions in the Cyber and IoT domains.
As a Senior Backend Engineer, you will design and implement backend services, lead architectural decisions, collaborate with cross-functional teams, and mentor junior developers. You will take ownership of complex tasks, manage project flows within your squad, and bring strong technical opinions and architectural insights.
The role requires excellent multitasking skills, strong context-switching ability, and a proactive, mission-driven mindset.
Responsibilities
Design, develop, and maintain scalable backend services and microservices.
Lead and participate in architectural planning, proposing high-quality solutions and improvements.
Work closely with product, frontend, DevOps, and data teams to deliver end-to-end features.
Break down complex tasks, manage project execution within the team, and ensure on-time delivery.
Mentor junior engineers and support onboarding of new team members.
Write clean, maintainable, well-tested code following industry best practices.
Develop integrations with various internal and external systems using diverse interface protocols.
Maintain ownership of features from design through deployment and ongoing operation.
Requirements
5+ years of backend development experience
Strong proficiency in High-Level language
Hands-on experience with Kubernetes (K8s)
Experience with databases (SQL or NoSQL)
Experience with queue brokers (e.g., RabbitMQ, Kafka, SQS, etc.)
Experience working with distributed systems or microservices architectures
Solid understanding of REST API design principles
Highly versatile and adaptive engineer (“ninja” mindset) able to multitask, switch context smoothly, and quickly master new technologies.
Proactive and goal-driven, who takes ownership, drives initiatives, and ensures project completion.
Strong coordination abilities, capable of distributing tasks within a team and guiding execution.
Effective mentor, supporting growth and onboarding of junior engineers.
Independent and self-sufficient, while also an excellent team collaborator.
Experienced with multiple architectures, capable of evaluating system design choices and forming informed technical opinions.
Confident communicator, able to influence direction and express technical viewpoints while also knowing when compromise is appropriate.
Advantages
Familiarity with asyncio
Understanding of networking concepts and network protocols
Experience with JavaScript
Experience with FFmpeg
Experience with CI/CD processes
Familiarity with the cyber world
Experience with MongoDB
ALL JOBS
Terms & Policies · Cookies
Listed by Toka - Cyber Builders for a position based in the United States. Employers on this board attest they are hiring domestically.
Senior Backend Engineer
Toka - Cyber Builders · Tel Aviv
Pay
Not listed
Setting
On-site
ALL JOBS
Senior Backend Engineer
R&D
Tel Aviv
Senior
Full-time
Description
Role Description
We are developing products and intelligence solutions in the Cyber and IoT domains.
As a Senior Backend Engineer, you will design and implement backend services, lead architectural decisions, collaborate with cross-functional teams, and mentor junior developers. You will take ownership of complex tasks, manage project flows within your squad, and bring strong technical opinions and architectural insights.
The role requires excellent multitasking skills, strong context-switching ability, and a proactive, mission-driven mindset.
Responsibilities
Design, develop, and maintain scalable backend services and microservices.
Lead and participate in architectural planning, proposing high-quality solutions and improvements.
Work closely with product, frontend, DevOps, and data teams to deliver end-to-end features.
Break down complex tasks, manage project execution within the team, and ensure on-time delivery.
Mentor junior engineers and support onboarding of new team members.
Write clean, maintainable, well-tested code following industry best practices.
Develop integrations with various internal and external systems using diverse interface protocols.
Maintain ownership of features from design through deployment and ongoing operation.
Requirements
5+ years of backend development experience
Strong proficiency in High-Level language
Hands-on experience with Kubernetes (K8s)
Experience with databases (SQL or NoSQL)
Experience with queue brokers (e.g., RabbitMQ, Kafka, SQS, etc.)
Experience working with distributed systems or microservices architectures
Solid understanding of REST API design principles
Highly versatile and adaptive engineer (“ninja” mindset) able to multitask, switch context smoothly, and quickly master new technologies.
Proactive and goal-driven, who takes ownership, drives initiatives, and ensures project completion.
Strong coordination abilities, capable of distributing tasks within a team and guiding execution.
Effective mentor, supporting growth and onboarding of junior engineers.
Independent and self-sufficient, while also an excellent team collaborator.
Experienced with multiple architectures, capable of evaluating system design choices and forming informed technical opinions.
Confident communicator, able to influence direction and express technical viewpoints while also knowing when compromise is appropriate.
Advantages
Familiarity with asyncio
Understanding of networking concepts and network protocols
Experience with JavaScript
Experience with FFmpeg
Experience with CI/CD processes
Familiarity with the cyber world
Experience with MongoDB
ALL JOBS
Terms & Policies · Cookies
Listed by Toka - Cyber Builders for a position based in the United States. Employers on this board attest they are hiring domestically.
Senior Vulnerability Researcher
Toka - Cyber Builders · Tel Aviv
Pay
Not listed
Setting
On-site
ALL JOBS
Senior Vulnerability Researcher
R&D
Tel Aviv
Full-time
Description
We are looking for a senior researcher to focus on vulnerability research and exploitation in embedded environments.
In this role, you will research proprietary technologies and analyze complex IoT and embedded devices.
You will be responsible for taking your research from initial discovery to a full end-to-end solution in production.
Requirements
8+ years of relevant industry experience as a low-level vulnerability researcher.
Proven track record of finding memory corruption vulnerabilities (stack/heap overflows, UAF, TOCTOU, etc.).
Proven track record of developing complex exploits.
Excellent understanding of common security mitigations such as ASLR, DEP, and CFI.
Excellent understanding OS internals, network protocols and cryptography concepts.
Proficient in Assembly, C, and Python.
Expert with IDA Pro / Ghidra, and GDB.
Advantages
B.Sc. or M.Sc. in Computer Science, Mathematics, or Engineering.
Published research (CVEs, blog posts, or talks).
Experience with RF communication schemes such as WiFi, Bluetooth, GPS…
Experience with developing / researching in Android / iOS environments.
ALL JOBS
Terms & Policies · Cookies
Listed by Toka - Cyber Builders for a position based in the United States. Employers on this board attest they are hiring domestically.
Senior Vulnerability Researcher
Toka - Cyber Builders · Tel Aviv
Pay
Not listed
Setting
On-site
ALL JOBS
Senior Vulnerability Researcher
R&D
Tel Aviv
Full-time
Description
We are looking for a senior researcher to focus on vulnerability research and exploitation in embedded environments.
In this role, you will research proprietary technologies and analyze complex IoT and embedded devices.
You will be responsible for taking your research from initial discovery to a full end-to-end solution in production.
Requirements
8+ years of relevant industry experience as a low-level vulnerability researcher.
Proven track record of finding memory corruption vulnerabilities (stack/heap overflows, UAF, TOCTOU, etc.).
Proven track record of developing complex exploits.
Excellent understanding of common security mitigations such as ASLR, DEP, and CFI.
Excellent understanding OS internals, network protocols and cryptography concepts.
Proficient in Assembly, C, and Python.
Expert with IDA Pro / Ghidra, and GDB.
Advantages
B.Sc. or M.Sc. in Computer Science, Mathematics, or Engineering.
Published research (CVEs, blog posts, or talks).
Experience with RF communication schemes such as WiFi, Bluetooth, GPS…
Experience with developing / researching in Android / iOS environments.
ALL JOBS
Terms & Policies · Cookies
Listed by Toka - Cyber Builders for a position based in the United States. Employers on this board attest they are hiring domestically.
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