Senior Full Stack Engineer - Nodejs & React - Inc

Position: Senior Full Stack Engineer - Nodejs & React - Enterprise Solutions Inc )
Senior Software Engineer – Full Stack (Cybersecurity SaaS)  We are seeking experienced Senior Full‑Stack Software Engineers to join our growing engineering team and help build secure, scalable, and customer‑centric SaaS products serving both B2B and B2C markets.

This role offers the opportunity to work on innovative cybersecurity solutions that protect millions of consumers and small businesses.

Key Responsibilities   Design, develop, and deliver new features for cybersecurity SaaS platforms  Collaborate closely with Product Managers, UX Designers, and Engineering teams to define technical requirements and implementation plans
Estimate development effort and proactively identify risks, blockers, and dependencies
Contribute to continuous improvement of engineering practices, processes, and team culture
Research, prototype, and evaluate Generative AI and Large Language Model (LLM) capabilities to drive product innovation

Develop clean, maintainable, scalable, and well‑tested software solutions  Build responsive and reusable frontend applications using React and Type Script
Develop RESTful APIs and backend services using NestJS and Node.js
Implement software security best practices across application layers
Participate in code reviews and contribute to engineering standards and best practices
Develop reusable components, libraries, and shared services
Integrate third‑party APIs and intelligent services into product solutions
Utilize modern development tools and AI‑assisted engineering platforms to improve productivity and code quality

Design scalable API architectures, schemas, and technical documentation  Develop reusable frontend component architectures and design systems
Make sound architectural decisions focused on scalability, maintainability, security, and customer experience
Design microservices‑based solutions and distributed systems
Evaluate and optimize system performance, reliability, and scalability
Design and implement AI‑enhanced solutions leveraging  Model Context Protocol (MCP)
Retrieval‑Augmented Generation (RAG)
Vector databases such as Pinecone and Weaviate

Develop and maintain comprehensive unit and integration tests  Ensure software quality through automated testing and peer reviews
Follow test‑driven and quality‑focused development practices

Troubleshoot, debug, and resolve software defects and performance issues  Address application security vulnerabilities and operational incidents
Support production environments and participate in on‑call rotations when required
Continuously enhance existing products and services

Required Qualifications   Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience
5+ years of qualified software development experience
Strong proficiency in JavaScript, Type Script, HTML, and CSS
Hands‑on experience building modern web applications using React
Strong experience developing RESTful APIs using NestJS and Node.js
Experience designing and implementing microservices architectures
Understanding of application security, cloud security, and networking fundamentals
Solid knowledge of software engineering principles, data structures, algorithms, and system design

Experience with Git and modern version control practices
Understanding of Agile development methodologies and Dev Ops practices
Excellent analytical, troubleshooting, and problem‑solving skills
Strong verbal and written communication skills
Professional English proficiency with the ability to collaborate effectively with US‑based stakeholders via Slack, Azure Dev Ops, and video conferencing

Preferred Qualifications   

Experience with unit testing frameworks such as Jest, Mocha, or similar testing frameworks

Experience with SaaS platform architecture and multi‑tenant systems
Exposure to cloud platforms including AWS, Microsoft Azure, and Google Cloud Platform (GCP)
Understanding of cloud‑native application development and deployment

Experience with developer productivity tools and AI‑assisted coding platforms
Experience designing and implementing AI‑powered applications
Knowledge of Model Context Protocol (MCP), Retrieval‑Augmented Generation (RAG), and vector databases such as Pinecone, Weaviate, and others

Experience with LLM integrations and AI orchestration framework
Desired Skills   Full‑Stack Development
React.js
Type Script
NestJS
Node.js
REST APIs
Microservices Architecture
Cloud Security
SaaS Platform
AI/LLM Integration
Agile & Dev Ops Practices
Unit Testing
System Design
Cybersecurity Application Development

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