Backend Developer with 2.5 years of building production REST APIs, authentication systems, and scalable data layers for real user-facing products.
At Devlupers, I built and maintained 200+ REST APIs (Node.js/Express) supporting a live platform, refactored 100+ existing endpoints for performance and security, and engineered a full OTP-based multi-device authentication system with real-time wallet transaction handling - the kind of system where a bug means someone's money is wrong, so correctness and session security were non-negotiable.
At RNF Technologies, I'm building backend systems for a CRM/digital marketing platform and a conference management system (2.0 Conferences) - handling registrations, RBAC-based admin permissions, and Google Sign-in auth for real client-facing tools.
Core stack: Node.js, Express.js, MongoDB, Mongoose, Redis, JWT, OAuth, RBAC, TypeScript.
Currently deepening: React/Next.js frontend integration, BullMQ, AI, Docker, and cloud deployment (AWS) - building toward full-stack ownership of features end-to-end.
Vanshika Rajput
@vanshikarajput11
Backend Developer at RNF Technologies building CRM and conference-management APIs and automated SEO reporting workflows.
IndiaExperience
Work history, roles, and key accomplishments
Backend Developer
RNF Technologies
Sep 2025 - Present (1 year)
Developed scalable backend systems and RESTful APIs using Node.js and Express.js for a CRM and digital marketing platform. Built and maintained backend services for a client conference-management platform, integrating Google Analytics and SEOptimer APIs.
Backend Developer
Devlupers
Apr 2024 - Aug 2025 (1 year 4 months)
Developed and maintained 200+ RESTful APIs using Node.js and Express.js to support scalable production web applications. Refactored and optimized 100+ existing APIs, improving performance, security, and maintainability.
Education
Degrees, certifications, and relevant coursework
Kunwar Satya Vira College of Engineering & Management
Bachelor of Technology, Computer Science and Engineering
2019 - 2023
Pursued a Bachelor of Technology in Computer Science and Engineering, focusing on software development and engineering principles.
Availability
Location
IndiaAuthorized to work in
Website
inapp.app/vanshika-11/l99d2vPortfolio
vanshika-rajput.vercel.appSalary expectations
Job categories
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