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RS

Raj Singh

Open to work1 years experience

Full Stack Developer

Mumbai, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Full Stack Developer specializing in scalable backend systems and secure authentication.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

32 skills
javajavascripttypescripthtmlcssreactnode.jsexpressnext.jstailwind cssragllm integrationai agentsvector databaseslangchainrest api designauthenticationjwtsessionsrbacsystem designgitdockerawsec2s3redisvs codemongodbpostgresqlpineconechromadb

GitHub Activity Evidence

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Work Experience

Junior Full-Stack Developer

Idsonus IT Solutions

Nov 2025 - Present Mumbai, India
  • Engineered a scalable Identity and Access Management (IAM) system with centralized authentication and authorization, improving system security and maintainability.
  • Designed and deployed RESTful APIs for user onboarding and authentication workflows, supporting secure and efficient access management.
  • Built a Role-Based Access Control (RBAC) system enabling fine-grained permission handling across multiple modules and user roles.
  • Reduced authorization latency by 30–40% by implementing caching for permission checks, minimizing redundant database queries.
  • Improved API performance by optimizing request handling and reducing average response time from 400ms to 220ms.
  • Developed reusable frontend components and modular backend services, improving code maintainability and scalability.

Full-Stack Developer

Actuaria Consultants

Jun 2025 - Nov 2025 Remote
  • Built a MERN-based invoice automation system, reducing manual processing effort by 60% and improving workflow efficiency.
  • Developed a reserve calculation engine with dynamic formulas and validation, improving calculation accuracy and reducing processing time by 50%.
  • Designed scalable backend logic for handling structured financial data and automated computations.
  • Standardized workflows and reduced human error, improving operational reliability across processes.
  • Built modular and reusable components, enabling maintainability and faster feature development.

Projects

ZapWallet - Payment Platform

Next.jsExpressPostgreSQLTurborepoNextAuth
  • Architected a scalable payment platform using Next.js, Express, and PostgreSQL with a Turborepo-based monorepo architecture.
  • Designed secure authentication and session management using NextAuth, ensuring protected access and user data security.
  • Developed RESTful backend services and optimized API communication between frontend and backend for efficient transaction workflows.
  • Built modular and reusable components, enabling maintainability and faster feature development.
  • Integrated backend validation, protected routes, and secure middleware handling for reliable payment and authentication flows.

AI Multi-Agent Customer Support System

Node.jsTypeScriptLLM orchestrationRAGRedisDocker
  • Developed an AI-powered multi-agent system using Node.js, TypeScript, and LLM orchestration frameworks for automated customer query handling.
  • Implemented Retrieval-Augmented Generation (RAG) pipelines with vector databases to provide context-aware and accurate AI responses.
  • Designed specialized AI agents for ticket summarization, query routing, knowledge retrieval, and automated response generation.
  • Integrated Redis-based caching and asynchronous task processing to improve response time and system scalability.
  • Built secure REST APIs and microservice communication workflows for seamless integration between AI agents and backend services.
  • Configured Dockerized deployment, monitoring, and observability pipelines for production-ready AI infrastructure.

Ticketing System

MERN
  • Designed a MERN-based centralized issue tracking system supporting ticket lifecycle management and multi-user workflows.
  • Implemented workflow automation, prioritization, and real-time tracking to streamline support operations.
  • Built scalable backend architecture to handle concurrent requests and structured issue resolution processes.
  • Developed secure authentication and role-based access management for admin and support teams.

Leaderboard Standings

Leaderboard Position Pending

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Assessment Highlights

Assessments Not Completed

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AI Collaboration Score

AI Collaboration Score Pending

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Role Compatibility Profile

Role Compatibility Analysis Pending

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Achievements

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About Details

Professional Bio

Full Stack Developer specializing in scalable backend systems, secure authentication, and high-performance web applications. Experienced in designing RESTful APIs, optimizing system performance, and building production-ready applications using MERN, PERN and modern web technologies.

Bachelor of Engineering in Information Technology

Atharva College of Engineering (2021 - 2025)

Languages: English, Hindi
Email: Locked