Software Engineer Intern

Company Overview:

TENEX is an AI-native, automation-first, built-for-scale Managed Detection and Response (MDR) provider. We are a force multiplier for defenders, helping organizations enhance their cybersecurity posture through advanced threat detection, rapid response, and continuous protection. Our team is composed of industry experts with deep experience in cybersecurity, automation and AI-driven solutions. Backed by leading investors, we are rapidly growing and seeking top talent to join our mission of revolutionizing the AI-Native MDR landscape.
We’re a fast growing startup backed by industry experts and top tier investors led by Crosspoint Capital Partners and also backed by Shield Capital, DTCP (formerly Deutsche Telekom Capital Partners), Deepwork Capital, and the Florida Opportunity Fund. Seed round led by Andreessen Horowitz (a16z). As an early employee, you’ll play a meaningful role in defining and building our culture. Get in on the ground floor. We’re a small but well-funded team that just raised a substantial round – joining now comes with limited risk and unlimited upside.

We’re a fast growing startup backed by industry experts and top tier investor Andreessen Horowitz. As an early employee, you’ll play a meaningful role in defining and building our culture. Get in on the ground floor. We’re a small but well-funded team that just raised a substantial round – joining now comes with limited risk and unlimited upside. We are rapidly growing and seeking top talent to join our mission of revolutionizing the cybersecurity landscape.

We are seeking a highly motivated and versatile Full Stack Engineer Intern to join our core engineering team. We value individuals who are proactive, enjoy problem-solving, and are eager to learn and adapt in a fast-paced environment.

Culture is one of the most important things at —explore our culture deck at to witness how we embody it, prioritizing the irreplaceable collaboration and community of in-person work.

About Our Intern Program:

• Internships are available year round. Our internship opportunity is a 12 week program.

• Position requires 30 hours per week, Monday through Friday.

• This is a paid internship, based on a fixed 30-hour workweek, with compensation paid semi-monthly.

• On-site attendance is required daily in the San Jose office.

• This internship is not benefits-eligible; health insurance is not provided.

• Relocation and commuting expenses are not covered by the company.

Job Responsibilities:

• Design, develop, and deploy scalable and reliable backend services and APIs.

• Participate in all aspects of software development activities, including design, coding, code review, testing, bug fixing, and code/API documentation.

• Write clean, well-documented, and testable code.

• Troubleshoot and debug issues across the full stack.

• Contribute to the improvement of our development processes and tools.

• Stay up-to-date with the latest technologies and industry trends.

• Be proactive in identifying and solving technical challenges.

Required Qualifications:

• Solid understanding of software engineering principles and best practices.

• Strong technical background with analytical and problem-solving skills

• Previous related experience in software engineering (applicable coursework, projects, internships, etc.)

• Experience with at least one backend programming language such as Go, Python, or an equivalent.

• Experience with at least one modern frontend framework such as Next.js, TypeScript, React, Vue.js, or an equivalent.

• Ability to learn new technologies quickly and independently.

• Excellent verbal and written communication skills; can effectively articulate complex ideas and influence others through well-reasoned explanations.