Staff Software Engineer

Stealth Cybersecurity AI Startup; New York (NY); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Real world impact in cybersecurity

Challenging environment with top talent

Cutting-edge technology

Autonomy and mentorship

Job summary

An innovative cybersecurity firm in New York is seeking a mid-senior level Product Engineer to drive the development of AI-native products. You will work on both front-end and back-end systems, using technologies like React, TypeScript, Python, and Go. Your responsibilities will include shipping core product features, optimizing performance, and collaborating with cross-functional teams. Join a team that values cutting-edge technology and customer-centric solutions.

Qualifications

• 4+ years of experience in full-stack web applications.
• Expertise with modern front-end technologies.
• Proficiency in back-end development with Python and Go.

Responsibilities

• Ship core product features across the entire stack.
• Bring product thinking to engineering.
• Optimize performance and responsiveness.
• Utilize AI-powered engineering practices.
• Collaborate across disciplines.

Skills

Full-stack web development

React

TypeScript

Python

Go

REST APIs

GraphQL

Cloud services (AWS, GCP, Azure)

CSS

User experience design

Job description

We're building the future of AI‑driven defense - helping companies detect and defend themselves effectively in an era where AI is fighting AI on the cyber battlefield.

We’re backed by First Round Capital, Brightmind, and a group of the cybersecurity industry’s most prominent Operators.

Our founders, Shachar (ex-Palo Alto Networks, AWS, Demisto) and Dan (ex-Abnormal Security, Twitter) have previously built, launched, and scale cybersecurity products loved and trusted by tens of thousands of customers, and have the customer, technology, and security know-hows to deliver this vision.

Our exceptionally strong founding team includes software engineers, AI researchers, security engineers, and product designers hailing from Google, Abnormal AI, Wiz, Meta, AWS, and SentinelOne.

We are growing our team and looking for passionate builders to join us and support our expanding customer base.

Job Overview

We are looking for a Product Engineer who combines technical excellence with a strong eye for product experience.

You will own major features of our customer-facing portal , turning complex security data into AI‑Native and intuitive interfaces that enable security analysts to make the right decisions quickly. You will partner with product managers, designers, and our customers to bring this vision to life.

This role is ideal for an engineer who enjoys shipping with high velocity, moving seamlessly between front‑end and back‑end, and cares deeply about user experience. You will work primarily with TypeScript/React for the front‑end and Python & Go on the back‑end.

Responsibilities

• Ship core product features across the entire stack – from React components and design‑system primitives to performant Python & Go back‑end services and APIs. You will own features from concept to deployment.
• Bring product thinking to engineering . Ask why features matter, how they support our product vision, and how to measure success. Help shape our product by providing insights from an engineering perspective.
• Optimize performance and responsiveness. Ensure the portal remains snappy even when displaying large amounts of data.
• Embrace, advocate, and utilize AI-powered engineering practices . As an AI‑Native company we seek to continuously improve how we build our product with higher velocity with the usage of AI - running 5 concurrent Claude Code terminals is common here.
• Collaborate across disciplines. Work closely with security engineers, AI/ML researchers and product design to bring new capabilities into the user experience.

Qualifications

• 4+ years of professional experience building full‑stack web applications. You have built, shipped and maintained user‑facing products at scale.
• Expertise in modern front‑end technologies (React, TypeScript, CSS). You care about the craft of building a great product experience.
• Proficiency in back‑end development with Python and/or Go and experience designing REST or GraphQL APIs. Familiarity with databases (relational and NoSQL) and cloud services (AWS, GCP or Azure).
• Product and design intuition. You can empathize with users, make design trade‑offs and contribute to product strategy.
• Excellent collaboration and communication skills. You can work across disciplines and explain technical concepts to non‑engineers.

Why Work With Us?

• Make real world impact. Help empower cybersecurity teams around the world to keep people safe from the most advanced cyber threats.
• Be challenged to be better than ever before. Our team includes some of the smartest and most driven people in the world. We guarantee you will learn more in 1 year here than 10 years in another place.
• Push the boundaries of technology. Work with and build the most advanced AI capabilities in the world of cybersecurity including cutting‑edge analytics and agentic platform.
• Embracing culture. We obsess about customers, move fast with high quality, and value open communication, mentorship and learning. You will have autonomy to drive projects and support to grow.

If you are an exceptional engineer with a passion for building world‑class products, we want to hear from you.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Computer and Network Security

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