Mystinex Private Limited is building a next-generation Managed Detection and Response (MDR) platform focused on helping organizations detect, investigate, and respond to cyber threats.
We are looking for our first senior engineering hire to help design and build the technical foundation of the platform.
This is not a typical corporate development role. You will work closely with the founder and have significant influence over our architecture, engineering practices, and product direction.
What you'll work on
Design and develop the core MDR platform
Build backend services, APIs, and data pipelines
Develop Windows endpoint monitoring and telemetry capabilities
Work on threat detection and alerting systems
Integrate threat intelligence sources
Work with MITRE ATT&CK; and security telemetry
Build scalable security data processing systems
Contribute to automated detection and response capabilities
Establish engineering standards, testing practices, and CI/CD
Review code and mentor junior developers
Make key architectural and technical decisions
What we're looking for
Required:




Solid professional software development experience
Strong backend/system-development skills
Experience designing and building APIs
Strong understanding of databases and data processing
Good knowledge of networking fundamentals
Strong Git/GitHub experience
Excellent debugging and problem-solving ability
Ability to work independently and take ownership of technical decisions
Strongly preferred:
Cybersecurity engineering experience
EDR/XDR/SIEM/MDR experience
Windows internals or endpoint development
Threat detection engineering
MITRE ATT&CK; knowledge
Threat intelligence experience
Experience with C#, C++, Go, Python, or similar systems-oriented languages
Docker/cloud/CI/CD experience
Why join us?
You'll be joining at a very early stage and will have a direct impact on the product and engineering culture.
You'll have the opportunity to:
Architect a cybersecurity product from the ground up
Work directl

📌 Founding Senior Software Engineer – Cybersecurity (India)
🏢 MYSTINEX
📍 India