Senior Software Engineer

bareinsights; New York (NY); Hybrid; USD 190,000 - 240,000; Full time

Job summary

bareinsights is seeking a senior full-stack engineer to build next-generation security tooling and AI-driven defense products. You will own features from conception through deployment and help steer roadmap decisions in a fast-moving startup environment.

You will contribute across the stack with TypeScript, React, GraphQL, and Ruby on Rails, with potential work in Rust or Node.js for defense-focused initiatives.

Qualifications

• 5+ years of professional software engineering experience.
• Proficiency in TypeScript and at least one modern backend OOP language (Java, Go, Python, C#, or similar).
• Hands-on experience with React for frontend development.
• Experience designing and consuming GraphQL APIs.
• Proficiency in Ruby on Rails backend development.
• Demonstrated track record of shipping production software with real-world impact.
• Experience leading technical projects or mentoring junior engineers.
• Background working in a high-ownership startup environment (Series A–C scale or similar).
• Strong CS fundamentals, ideally from a rigorous academic or professional background.
• Comfort working on federal defense-related projects.
• Experience with Rust or Node.js is a plus.
• A GitHub profile or portfolio showing recent, hands-on coding activity is a plus.

Responsibilities

• Develop full-stack features for experimental, cutting-edge products or foundational platform infrastructure.
• Own features end-to-end across the full product lifecycle — from planning and design through deployment and optimization.
• Step into a product management capacity when needed, contributing to roadmap decisions and prioritization.
• Build primarily with TypeScript, React, GraphQL, and Ruby on Rails, with opportunities to work in Rust or Node.js on new defense-focused products.
• Collaborate closely with product, design, and engineering teammates in an iterative, high-quality delivery environment.
• Mentor and guide junior engineers, helping shape team culture and elevate skills across the organization.

Skills

TypeScript

React

GraphQL

Ruby on Rails

Leadership

Mentoring

CS fundamentals

Defense experience

Rust/Node.js (plus)

Tools

Ruby on Rails

React

TypeScript

GraphQL

Rust

Node.js

Job description

About the Role

This is a full-stack senior engineering role at a Series B cybersecurity company pivoting toward AI-driven defense and cybersecurity tooling. You’ll be a key contributor building next-generation products for the U.S. federal defense industrial base, operating with high ownership and minimal oversight in a fast-moving, product-focused environment.

What You’ll Do

• Develop full-stack features for experimental, cutting-edge products or foundational platform infrastructure.

• Own features end-to-end across the full product lifecycle — from planning and design through deployment and optimization.

• Step into a product management capacity when needed, contributing to roadmap decisions and prioritization.

• Build primarily with TypeScript, React, GraphQL, and Ruby on Rails , with opportunities to work in Rust or Node.js on new defense-focused products.

• Collaborate closely with product, design, and engineering teammates in an iterative, high-quality delivery environment.

• Mentor and guide junior engineers, helping shape team culture and elevate skills across the organization.

What We’re Looking For

• 5+ years of professional software engineering experience building backend systems or full-stack applications.

• Strong proficiency in TypeScript and at least one modern backend OOP language (Java, Go, Python, C#, or similar).

• Hands-on experience with React for frontend development.

• Experience designing and consuming GraphQL APIs.

• Proficiency in Ruby on Rails backend development.

• Demonstrated track record of shipping production software with real-world impact.

• Experience leading technical projects or mentoring junior engineers.

• Background working in a high-ownership startup environment (Series A–C scale or similar).

• Strong CS fundamentals, ideally from a rigorous academic or professional background.

• Comfort working on federal defense-related projects.

• Experience with Rust or Node.js is a plus.

• A GitHub profile or portfolio showing recent, hands‑on coding activity is a plus.

Compensation & Benefits

Salary range: $190,000 – $240,000 USD annually. Visa sponsorship is not available for this role.

Location

Hybrid — primary location is New York City, NY, USA. Candidates should be located in or willing to relocate to New York City.