Open to Work

Niraj Kumar

Senior Full-Stack Software Engineer

Senior Full-Stack Software Engineer with 6+ years of experience delivering production-grade SaaS platforms, AI-powered applications, enterprise systems, and scalable B2B/B2C solutions. Experienced in owning the complete software lifecycle—from solution architecture and backend engineering to modern frontend development, cloud deployment, AI integration, security, and production support. Passionate about solving complex business problems with clean architecture, automation, and scalable engineering practices.

[email protected]+91 94538 00108WhatsAppIndia · Open to Remote Opportunities

Resume Snapshot

6+

Years

6

Roles

Download Resume

Career Highlights

Designed and delivered AI-powered document processing workflows using OCR and LLMs for structured data extraction and validation.

Built scalable multi-tenant SaaS platforms supporting role-based access, subscriptions, and business workflows.

Developed compliance-aware marketplace solutions with business verification, approval workflows, inventory management, and analytics.

Engineered secure real-time communication systems using WebRTC and Socket.IO.

Integrated Stripe subscriptions, recurring billing, invoicing, webhooks, and usage-based plans.

Collaborated across product, design, QA, and business teams to deliver production-ready software.

Work Experience

Senior Software Developer

Skilligent

Jun 2025 – June 2026 - Full-time

  • Leading development of scalable SaaS platforms, enterprise applications, and AI-enabled business solutions.
  • Designing secure backend architectures, APIs, compliance workflows, analytics, and production deployments.
  • Driving engineering best practices through code reviews and technical collaboration.
Next.jsNode.jsTypeScriptPostgreSQLPrismaAWSDockerGitHub ActionsCI/CDMulti-Tenant

Full Stack Developer

Bhavishya Logic Nest

Sep 2024 – May 2025 - Full-time

  • Built logistics and operations platforms with reporting dashboards and workflow automation.
  • Developed backend services with Node.js, PostgreSQL, and interactive analytics.
React.jsNode.jsPostgreSQLREST APIsChart.jsApexChartsJavaScript

Full Stack Developer

Essence Software Solutions

Feb 2024 – Aug 2024 - Full-time

  • Built AI chatbot SaaS products using OpenAI APIs and Retrieval-Augmented Generation.
  • Implemented subscription billing, recurring payments, and webhook automation.
OpenAI APIRAGStripeNext.jsReact.jsTypeScriptTailwind CSSMulti-TenantWebhook

Software Developer

Turtl Cyber Security

Dec 2022 – Jan 2024 - Full-time

  • Developed secure communication platforms using React, Node.js, WebRTC, and Socket.IO.
  • Implemented authentication, authorization, and secure API practices.
React.jsNode.jsWebRTCSocket.IOJWTOAuth2RBACTypeScript

Software Development Mentor

Masai School

Jan 2022 – Nov 2022 - Full-time

  • Mentored aspiring developers in JavaScript, React, Node.js, debugging, and software engineering.
JavaScriptReact.jsNode.jsMentoringCode Reviews

Software Developer

Core Travel Management

Feb 2020 – Dec 2021 - Full-time

  • Developed enterprise business applications, REST APIs, reporting modules, and third-party integrations.
MongoDBExpress.jsReact.jsNode.jsREST APIsJavaScript

Selected Projects

AI Document Intelligence Platform

AI-assisted extraction, validation, workflow automation, OCR, and human review.

OCRLLMsRAGNode.jsDocument Processing

Regulated Marketplace Platform

Compliance-driven marketplace featuring business verification, product approval workflows, inventory management, analytics, and secure role-based access.

Next.jsNode.jsPostgreSQLRBACAnalytics

AI Chatbot SaaS

Multi-tenant chatbot platform with subscriptions, usage tracking, billing, and admin dashboards.

React.jsOpenAI APIStripeMulti-TenantPostgreSQL

Enterprise Workflow Platform

Role-based approvals, reporting, dashboards, and business process automation.

Next.jsNestJSMySQLPrisma ORMWorkflows