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Available for Freelance & Remote
Nikhil kushwaha
Full Stack Developer
Full Stack Developer specializing in building scalable and reliable web applications using React.js, Next.js, NestJS, TypeScript, and modern database technologies. Experienced in developing fintech solutions, REST APIs, authentication systems, payment workflows, and user-focused web applications. Passionate about writing clean, maintainable code and continuously improving software engineering skills.
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About Me
1 Years
Full Stack Developer
Based in Mumbai, Maharashtra, India
I am a Full Stack Developer with 1 year of experience building fintech and web applications using NestJS, React.js, Next.js, TypeScript, and MySQL. I specialize in developing secure KYC/KYB onboarding systems, payment workflows, and scalable backend services.
My focus is on delivering production-ready applications, implementing secure authentication systems, and collaborating across the full software development lifecycle. I have proven ability in creating responsive and optimized frontend interfaces and high-performance backend architectures.
I believe in writing clean, maintainable code that directly solves business problems without unnecessary abstraction.
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Featured Work
COMPLETED
Freelancing
Fitpreeti Yog Institute — Wellness Management Platform
A production-ready full-stack Yoga and Wellness Management ERP designed to streamline day-to-day institute operations. The platform centralizes class and schedule management, member and staff management, attendance tracking, lead management, and operational workflows through a dedicated administrative portal. Built with a modular NestJS backend and modern React-based interfaces, with MySQL for persistent data management and Docker-based deployment on a Hostinger KVM server.
React js
NestJS
#B2C
IN PROGRESS
Full Stack
E-Commerce Platform
A modern, high-performance e-commerce platform built with Next.js App Router and NestJS.
Next.js
NestJS
COMPLETED
Full Stack
AI-Powered RAG Chatbot SaaS
An AI-powered RAG chatbot SaaS platform that enables businesses to create knowledge-based chatbots using their documents and website content, with semantic search, vector retrieval, reranking, and LLM-powered responses.
Next.js
NestJS
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Core Competencies
Technologies and tools I work with to build modern, scalable applications.
🎨
Frontend
4 skillsReact
1 yrExpert
Next.js
Advanced
TypeScript
Advanced
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Experience
Junior Software Developer
Trishvi Fintech Solutions Pvt. Ltd.
Mumbai, Maharashtra, IndiaFULL TIME2025 — Present
Show Details
Show Details
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Developed and maintained full-stack fintech applications using React.js, Next.js, NestJS, TypeScript, and SQL databases.
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Built and integrated REST APIs for merchant onboarding, KYC/KYB workflows, payment processing, and business management features.40% increased
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Implemented backend services and database operations with a focus on clean architecture, validation, error handling, and maintainable code.
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Integrated third-party APIs and services for payment workflows, identity verification, communication, and business automation.
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Worked across frontend and backend development, debugging production issues, optimizing API workflows, and collaborating with the engineering team to deliver new features.
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Contributed to AI-powered and automation-focused projects, including chatbot, knowledge-base, and RAG-based application development.
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Education
Bachelor of Engineering (B.E.)
Thakur College of Engineering and Technology
2021 - 2025
Grade/Score: 9.01
Completed a Bachelor of Engineering in Electronics & Telecommunication with a strong academic record. Built a solid foundation in software development, data structures, databases, web technologies, and computer science fundamentals, with practical experience through academic and personal projects.
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Certifications
Python Certification
Microsoft
Issued: 2/11/2026
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What People Say
Testimonials from clients and colleagues I've had the pleasure of working with.
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Services
Full Stack Web Development
Build scalable, responsive, and production-ready web applications using modern frontend and backend technologies, with a focus on clean architecture, performance, and maintainability.
Backend API Development
Design and develop secure, scalable REST APIs and backend services using NestJS, TypeScript, and PostgreSQL, including authentication, validation, integrations, and business logic.
Frontend Development
Create modern, responsive, and user-friendly web interfaces using React, Next.js, TypeScript, and Tailwind CSS with a strong focus on usability and performance.
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Freelance Process
01
Discovery
Understanding your goals and requirements.
02
Proposal
Detailed scope, timeline, and architecture.
03
Design
System architecture and UI/UX design.
04
Development
Iterative, test-driven implementation.
05
Review
Staging deployment and client feedback.
06
Launch
Production deployment and handoff.
1
Discovery
Understanding your goals and requirements.
2
Proposal
Detailed scope, timeline, and architecture.
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FAQ
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Contact Me
Let's build something.
I am currently available for freelance opportunities. Whether you need a robust backend API, an AI integration, or a complete full-stack platform—reach out.
Available for Freelance