About SecurityScorecard: SecurityScorecard is the global leader in cybersecurity ratings, with over 12 million companies continuously rated, operating in 64 countries. Founded in 2013 by security and risk experts Dr. Alex Yampolskiy and Sam Kassoumeh and funded by world-class investors, SecurityScorecard’s patented rating technology is used by over 25,000 organizations for self-monitoring, third-party risk management, board reporting, and cyber insurance underwriting; making all organizations more resilient by allowing them to easily find and fix cybersecurity risks across their digital footprint.

Headquartered in New York City, our culture has been recognized by Inc Magazine as a "Best Workplace,” by Crain’s NY as a "Best Places to Work in NYC," and as one of the 10 hottest SaaS startups in New York for two years in a row. ” SecurityScorecard is proud to be funded by world-class investors including Silver Lake Waterman, Moody’s, Sequoia Capital, GV and Riverwood Capital.

About The Role

: We are looking for an experienced Senior Engineer to join our Platform team — a strategic, hands-on technical leader who will own and evolve the foundational systems that power SecurityScorecard’s core products. You’ll work across the stack to build scalable services, optimize infrastructure, and improve internal tooling. Collaborating with engineers, product managers, and stakeholders, you will accelerate development velocity, improve reliability, and ensure our platform evolves with scale in mind.

This role is both people- and technology-focused: you’ll mentor engineers while guiding complex technical initiatives around microservices architecture, distributed systems, infrastructure, and automation.

What You'Ll Do

: Technical Leadership: Architect, design, and build scalable platform components using Node.js, TypeScript, AWS, and React Build and maintain distributed systems, real-time pipelines, and core microservices to support platform growth Lead code and architecture reviews to uphold high standards for reliability, performance, and maintainability Contribute to and drive adoption of modern infrastructure practices — CI/CD, containerization (Docker), ArgoCD, Terraform, GitHub Actions Own and deliver impactful projects end-to-end, translating business needs and R&D insights into scalable technical solutions Identify opportunities to reduce toil, improve developer workflows, and increase system resiliency Build systems for the long term — balancing speed of delivery with sustainability and technical excellence Take part in production support

Responsibilities

Required Skills & Experience: 5+ years of professional software engineering experience, with a strong focus on backend systems, platform services, or infrastructure Expertise in Node.js and modern development patterns (TypeScript/JavaScript) Solid experience designing and scaling distributed systems with strong focus on performance, scalability, and reliability Hands-on experience with cloud infrastructure (AWS preferred) and production-grade deployments Experience with CI/CD, monitoring, and containerization (Docker, Terraform, Jenkins, New Relic) Strong computer science fundamentals (algorithms, data structures, systems design, and networking) Excellent communication skills and successful collaboration with technical and non-technical stakeholders Passion for mentoring, knowledge-sharing, and helping teams grow Our Tech Stack: Programming Languages: Mainly TypeScript / JavaScript; subsystems may use other languages Cloud & Infrastructure: AWS, Docker, Terraform, Jenkins Production Monitoring: New Relic Databases: ClickHouse, PostgreSQL

Nice To Have

: Experience in cybersecurity, threat intelligence, or other se

Senior Software Engineer