Adaptive is a next-generation cybersecurity platform.
We're working with pioneering security teams to protect critical systems from AI-powered cyber attacks. Our customers today include one of the largest payment aggregators in the United States, hedge funds and private equity firms, regional and national banks, leading technology companies, and critical healthcare systems.
Join us in building the future of cybersecurity.
Adaptive is a next-generation cybersecurity platform.
We're working with pioneering security teams to protect critical systems from AI-powered cyber attacks. Our customers today include one of the largest payment aggregators in the United States, hedge funds and private equity firms, regional and national banks, leading technology companies, and critical healthcare systems.
Join us in building the future of cybersecurity.
Company: Adaptive Security — AI-driven cybersecurity platform focused on defending organizations from AI-powered social engineering and deepfakes
Founded: 2024
Headquarters: New York City
Recent financing: Series A $43M (Apr 2025) co-led by Andreessen Horowitz and the OpenAI Startup Fund
Employee count: ~150–183 (company sources)
Company Overview
Problem Domain
Cybersecurity — defending organizations from generative-AI powered social engineering, phishing, and deepfakes
Founded
2024
Industry
Computer and Network Security
Funding Track Record
Series A- Apr 2, 2025
43,000,000
Reported participation from additional investors including Abstract Ventures, Eniac Ventures, CrossBeam Ventures, and K5.
Investor Signal
“Raised a Series A co-led by Andreessen Horowitz and the OpenAI Startup Fund”
Founders
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Join the Team
Senior Software Engineer
On-SiteNew York, US
On-Site • New York, US
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We are seeking a Senior Software Engineer with a passion for developing high-quality software in a high-growth startup environment where every engineer has outsized impact on the product and company
This is a role for someone who wants to build, mentor, and shape how we work
5+ years of experience building customer-facing software
Bachelor's degree or equivalent experience in Computer Science, Software Engineering, or a related field
Strong development experience with modern, strongly-typed programming languages such as Java, C#, TypeScript, or Go
Deep understanding of SQL databases, schema design, and optimizing database interactions for performance and scalability
Experience with frameworks such as Spring Boot and React/Redux
Understands a full stack end-to-end — from tooling to infrastructure to code to frameworks to architecture
Experience deploying and operating software in distributed environments (AWS, GCP, Azure)
Demonstrated ability to simplify complex problems and make them approachable to others
Expert intuition for cost/benefit analysis of proposed scope — knows where to push back to deliver value with practical engineering time
If you are eager to apply your skills in a dynamic, collaborative environment, and are passionate about building systems that are both powerful and accessible, we would love to hear from you
What the job involves
You will own large features end-to-end, make architectural decisions that last, and set patterns that make the whole team faster
Design and deliver large features and systems end-to-end
Establish patterns that make the whole team faster and the codebase more maintainable
Drive change proactively — you don't wait for permission or instruction
Work side-by-side with product and design from day one — roles blur here, and you'll shape the direction of entire projects
Anticipate future complexity and design systems that scale as fast as the threats we're fighting
Help us hire — you'll run interviews and help identify great people
Benefits
Premium healthcare and wellness benefits - plans with zero cost to the employee
