Source Job

Global

  • Define and build a new runtime protection product line for Node.js environments, owning the technical strategy and execution from concept to deployment.
  • Design detection methodologies that distinguish malicious activity from legitimate behavior at scale using large-scale threat intelligence and modern engineering tools.
  • Collaborate with security specialists and engineering teams while leveraging AI-assisted workflows to deliver high-impact security capabilities.

Node.js JavaScript Web Security Security Engineering

20 jobs similar to Security Engineer - Node.js Proactive Defense

Jobs ranked by similarity.

Global

  • Develop and maintain the FingerprintJS product, focusing on device identification and anti-fraud features.
  • Collaborate with the engineering team to improve system performance and scalability.
  • Write clean, efficient code and participate in code reviews.

FingerprintJS provides device intelligence and fraud detection solutions for businesses. The company is a growing tech startup with a developer-focused culture.

Canada Unlimited PTO

  • Design and implement scalable, secure, and high-performance backend systems and APIs supporting AI-driven security and pentesting.
  • Collaborate with product, frontend, and infrastructure teams to define system architecture and translate requirements into robust technical solutions.
  • Optimize application performance, scalability, and security across distributed and cloud-native environments.

The company is a partner of Jobgether, specializing in AI-driven cybersecurity and vulnerability detection. It is a highly technical, fast-paced environment focused on solving complex scalability and security challenges at enterprise scale.

Canada

  • Lead end-to-end development of scalable, customer-focused software features.
  • Architect and implement backend APIs and modern frontend applications.
  • Mentor engineers and contribute to engineering best practices and documentation.

The company builds enterprise SaaS solutions that help organizations operate with greater clarity, efficiency, and confidence. It is a fast-growing, remote-first organization with a collaborative culture and employee resource groups.

$107,000–$155,000/yr
US 14w maternity 14w paternity

  • Support customers through technical evaluations, demonstrations, and proof-of-concept activities to help them adopt the reliability platform.
  • Build trusted relationships with engineering teams by understanding their environments and providing implementation guidance.
  • Use AI tools to accelerate customer workflows and share insights with Product and Engineering teams to influence product improvements.

Our partner is a fast-growing software company that builds a developer-focused reliability platform to help engineering teams improve application reliability. It is an international, remote-first organization with a flexible and inclusive culture.

India Unlimited PTO

  • Collaborate with the product team to develop new features that enhance user experience.
  • Improve existing features and streamline client implementations through better tools and technical architecture.
  • Modernize the front-end with new frameworks and contribute to all tech-related aspects of the small team.

PeopleGrove builds a cloud-based software platform for universities, companies, and nonprofits to power mentoring and networking initiatives. They have a small team of engineers and foster a friendly, inclusive culture that celebrates diversity.

India

  • Lead the design and development of scalable browser extensions using Manifest V3 and modern browser APIs.
  • Collaborate with cross-functional teams to integrate security features across endpoint, backend, and web platforms.
  • Optimize performance, reliability, and security while staying current with evolving browser ecosystems and APIs.

The company specializes in enterprise data security through advanced browser-based technology. It is a fast-moving technology organization with a collaborative and inclusive culture.

India

  • Design and build privacy-focused systems that protect users from tracking, data misuse, and emerging online threats.
  • Enhance backend services and privacy infrastructure using Go, Node.js, Python, or Perl.
  • Lead complex technical projects from ideation through implementation, ensuring scalability and reliability.

Our partner is a privacy-first engineering organization focused on building and maintaining systems that protect users from tracking, profiling, and emerging online threats. They operate in a fully remote, globally distributed environment with a values-driven culture centered on trust, privacy, and transparency.

Brazil

  • Design, develop, test, and maintain high-quality software solutions across frontend and backend.
  • Build scalable backend services and APIs using Node.js, and responsive frontend applications with React.js.
  • Collaborate with cross-functional teams, participate in code reviews, and mentor developers to grow toward technical leadership.

Our partner is a technology company that builds impactful digital solutions. They have a remote-first culture with a global team.

Europe

  • Build and maintain scalable full-stack applications using Node.js, React.js, and AI development tools.
  • Take end-to-end ownership of features including front-end, back-end, infrastructure, and deployment.
  • Apply software craftsmanship practices such as TDD, clean code, refactoring, and continuous delivery.

Jobgether uses an AI-powered matching process to connect candidates with hiring companies. It is a recruitment platform that processes applications and shares top-fitting candidates with employers.

$137,160–$162,000/yr
Europe 5w PTO 14w maternity 14w paternity

  • Bridge the gap between customer needs and technical capabilities, guiding prospects and customers through evaluations and implementations.
  • Lead technical evaluations by understanding customer environments and designing tailored solutions.
  • Build trusted relationships with engineering teams and stakeholders, helping customers maximize value.

The company helps organizations improve application reliability through innovative developer-focused solutions. They are a fast-growing international team offering a remote-first culture with significant ownership and impact.

$152,000–$175,000/yr
US Unlimited PTO

  • Lead threat modeling, architecture reviews, and code reviews for web applications, APIs, and microservices.
  • Actively develop and commit code to fix security flaws in Python, Go, or JavaScript/TypeScript codebases.
  • Implement and manage security testing tools within CI/CD pipelines to catch vulnerabilities early in the SDLC.

RunPod is the AI Developer Cloud, providing a platform for developers to experiment, train, fine-tune, deploy, and scale AI. We are a small, remote-first team that has processed over 20 billion inference requests and closed a $100M Series A in June 2026.

US Unlimited PTO

  • Collaborate cross-functionally with product, ops, sales, and marketing to build platform solutions.
  • Write maintainable end-to-end code and perform exhaustive tests before review.
  • Mentor team members and manage work schedules as a self-starter in an asynchronous environment.

Better Health is creating a new medical provider type, disrupting the $60B home medical supply industry by bundling peer support, coaching, education, and home delivery. Since 2019, Better Health has gained licenses in 48 states, serves top payers, and is backed by leading investors, growing a diverse team united by shared values.

Canada Unlimited PTO

  • Build and ship product features end-to-end, from design to implementation.
  • Mentor fellow engineers and lead application architecture decisions.
  • Collaborate with cross-functional teams using JavaScript, Node.JS, and modern front-end frameworks.

Optro is the leading audit, risk, ESG, and InfoSec platform on the market, serving over 50% of the Fortune 500. With over $300M ARR and recognized as one of the 500 fastest-growing tech companies in North America for seven years, we foster a collaborative culture focused on innovation and customer success.

Global

  • Design and evolve mission-critical APIs for a modern developer platform.
  • Build secure, scalable backend services using TypeScript, Node.js, and modern frameworks.
  • Collaborate with engineers across teams to deliver reliable systems that improve developer experience.

Jobgether is a platform that uses AI-powered matching to connect candidates with job opportunities. They focus on efficient, objective hiring processes and are part of a network of partner companies.

Global Unlimited PTO

  • Co-own the design, development, and ongoing maintenance of Confiant's client-side JavaScript SDK
  • Build and optimize SDK internals for maximum runtime performance across diverse publisher environments
  • Translate security threat intelligence into SDK-level detection and blocking logic

Confiant is cybersecurity built for advertising, providing real-time intelligence and precise controls that detect and block malvertising and compliance risks. They are a small but growing engineering team focused on high standards, collaboration, and end-to-end ownership, operating as a 100% virtual company worldwide.

US Unlimited PTO

  • Partner with product and engineering teams to identify security risks and implement secure solutions throughout the product lifecycle.
  • Lead threat modeling activities, secure design reviews, and security-focused code reviews to improve development practices.
  • Build, maintain, and improve application security tooling and participate in incident response activities.

The partner company is a fast-moving engineering organization focused on protecting modern software products and the sensitive data they manage. The team values innovation, inclusion, and continuous improvement, and offers a collaborative culture with high ownership.

Netherlands

  • Design, implement, and optimize security monitoring, incident response, and detection capabilities across modern cloud and infrastructure ecosystems.
  • Build and maintain SIEM and log management capabilities, ensuring centralized log collection, normalization, and retention policies.
  • Automate operational security processes such as alert enrichment, incident notifications, and response orchestration.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They operate as a partner company managing applications and next steps, fostering a collaborative, transparent, and innovation-driven culture with a focus on professional growth and well-being.

India

  • Design, develop, and maintain scalable web applications using TypeScript, Node.js, and Next.js.
  • Build robust frontend and backend features ensuring high performance and reliability.
  • Collaborate with cross-functional stakeholders to understand requirements and deliver high-quality software.

Smart Working connects skilled professionals with global teams for long-term remote roles. It is a highly rated workplace on Glassdoor with a focus on community and growth.

US

  • Build scalable backend services, APIs, and internal tools using Node.js, TypeScript, and MongoDB.
  • Advance DevOps, CI/CD, and cloud infrastructure in Azure to improve deployment workflows and production operations.
  • Champion AI-first engineering practices by adopting tools like Cursor and GitHub Copilot to enhance quality and speed.

Climate First Bank is a Florida Benefit Corporation and FDIC-insured commercial bank offering sustainable banking services including solar loans, residential, commercial, and SBA loans. As a Certified B Corporation and member of 1% for the Planet, they are committed to sustainability and ethical banking, with a growing team of goal-setters and changemakers.

Latin America

  • Lead design, development, and maintenance of cloud-native software applications.
  • Collaborate with cross-functional teams to analyze, design, and implement cloud-native solutions.
  • Mentor junior engineers and participate in code reviews and team activities.

Nortal shapes digital transformation for global enterprises and public sector organizations, delivering complex cloud-native solutions. The company operates with a small, autonomous LATAM team, emphasizing autonomy, open communication, and a vibrant community.