Job Title: Senior Full Stack Engineer Company Name: Quadrant Information Security Job Url: https://www.linkedin.com/jobs/view/4385110614/?eBP=NOT_ELIGIBLE_FOR_CHARGING&trk=flagship3_search_srp_jobs&refId=RvM4wLVJT1Ez8%2BdV4ls1Ag%3D%3D&trackingId=EQPaUy2Y53Ks5pqWs%2F7IsQ%3D%3D Job Description: Quadrant Information Security Senior Full Stack Engineer United States · 17 hours ago · 90 applicants Promoted by hirer · No response insights available yet Remote Full-time Easy Apply Save Use AI to assess how you fit Get AI-powered advice on this job and more exclusive features with Premium. Try Premium for Rs 0 Show match details Tailor my resume Help me stand out About the job Company Description Quadrant is a Managed Detection and Response provider that integrates advanced security technologies with top-tier cybersecurity talent to create a comprehensive solution. Focused on safeguarding customer environments, Quadrant delivers a secure approach with a commitment to keeping clients protected. Combining expertise, innovation, and care, Quadrant ensures consistent security through a dedicated team and robust technology. Senior Fullstack Developer We’re seeking a Senior Fullstack Developer to take ownership of our customer-facing MDR application as well as our SOC portal, and drive the modernization of our web applications. This role offers significant influence: you’ll evaluate frameworks, set the strategy, and deliver intuitive, scalable interfaces that security teams depend on. This position calls for a strong grasp of both business objectives and engineering priorities, along with the skill to partner effectively with teammates to deliver on those goals. The right candidate will foster and demonstrate seamless collaboration across functions like systems engineering, development, customer experience, and product management to drive shared goals. Strong communication skills and the capability to create clear, well-structured documentation for features and workflows are also critical to success in this role.  What You’ll Do Lead the eventual modernization of our JavaScript/PHP web application stack into modern web frameworks for frontend (Angular, Vue, React, etc.) and backend (Express, Nest, Next, etc.) Architect and build real-time dashboards for threat intelligence, incident response, and analytics, leveraging event-driven architecture. Implement secure workflows: authentication, role-based access, and compliance-ready interfaces.  Integrate seamlessly with backend microservices using REST and GraphQL APIs.  Shape the web application strategy that will grow with our platform and customer base. Champion engineering quality through CI/CD pipelines, automated testing, and code review standards that keep the platform rock-solid.  Leverage AI throughout your workflow—from AI-assisted development and code generation to prototyping AI-powered features that enhance SOC analyst efficiency (e.g., automated threat summaries, natural-language querying). What We’re Looking For 5+ years of experience with at least one modern frontend (Angular, Vue, React, etc.) and backend framework (Express, Nest, Next, etc.)  Deep proficiency in PHP, preferably with CodeIgniter framework  Proven track record shipping production web applications with responsive, data-heavy UIs  Stands out as a leader through setting technical direction, mentoring junior developers, and driving code reviews.  Writes clean, maintainable, and testable code. Understands performance optimization, state management, and microservices architecture.   Experience with real-time data visualization (Highcharts, D3.js, or similar). Knowledge of security or data-intensive applications is a plus.(e.g. threat intelligence platforms, fintech/transaction systems, healthcare portals, large-scale analytics dashboards, or enterprise identity and access management solutions) Awareness of accessibility best practices (e.g. keyboard navigation, high contrast dashboards, screen reader support) is a plus.  Thrives with high autonomy and minimal hand-holding—you ship fast, communicate proactively, and own your outcomes.  AI-native development workflow is non-negotiable. You already use AI coding assistants daily (Claude, GitHub Copilot, Cursor, Windsurf, etc.) and can demonstrate how AI accelerates your development velocity, code quality, and problem-solving. Experience with prompt engineering, LLM API integration (e.g., OpenAI, Anthropic, or open-source models), and building AI-augmented features into production applications.  Ability to evaluate, prototype, and contribute to building AI-powered capabilities (e.g. natural-language search, automated alert triage across threat data, AI-assisted incident response playbooks) that give SOC analysts a force multiplier.    Our Tech Stack   Legacy Web Framework: CodeIgniter (PHP w/ Javascript, some Node.js) Modern Web Frameworks: TBD - you’ll drive the decision CI/CD: Github and Github Actions with ECS Microservices (REST APIs): Python Databases: OpenSearch, MySQL, Redis Infrastructure: AWS (ECS, S3, EC2), Linux-based deployment AI Tooling: Claude, Cursor, Copilot, etc. Who You Are Detailed & Collaborative - You deliver polished, accessible, and optimized experiences through testing, performance tuning, and close collaboration with cross-functional teams. Passionate Technologist - You stay current with emerging technologies – especially AI/LLMs, translate complex business requirements into intuitive UIs, and approach development as a craft with innovation as the goal. Pragmatic Engineer - You balance technical excellence with real-world impact, making thoughtful architectural choices that scale. Do the Hard Thing - You choose the right solution over the easy one, never shying away from difficult situations and facing challenges head-on; embracing complex problems as stepping stones to growth. Secret Phrase: 'cat /etc/shadow' Why Join Us Architectural ownership and freedom to shape the future of our UI and end-user experience. Work on mission-critical tools that help organizations defend against cyber threats. Collaborate with world-class security analysts and engineers.  Growth path into technical leadership with deep exposure to cutting-edge cybersecurity tech. Compensation & Benefits Base Salary: varies based on experience but in-line with or above market (Not FAANG level though) 100% paid for benefits (for employee) with additional premium selections  Matching 401k  Reimbursement for approved tuition, certifications, conference attendance, and more  Unlimited PTO  We know that job descriptions can sometimes read like wish lists. If you're excited about this role but your experience doesn't perfectly align with every requirement listed above, we still encourage you to apply. We value problem-solving ability, learning agility, and strong fundamentals over checking every box - especially if you're motivated to grow into technical leadership.  Benefits found in job post 401(k) Set alert for similar jobs Full Stack Engineer, United States