Arkit A.

I help startups and growing businesses build, improve, and scale SaaS products using React, Next.js, Node.js, TypeScript, and AI integrations. Top Rated Plus | 100% Job Success | $50K+ Earned | 9+ Years of Experience Are you building a SaaS product, launching an MVP, improving an existing application, or integrating AI into your business? I can help you turn your requirements into reliable, production-ready software with clean code, scalable architecture, and a focus on business results. I'm a Senior Full-Stack Developer specializing in SaaS development, modern web applications, backend APIs, database architecture, and AI-powered features. I work across the complete development lifecycle, from planning and architecture to implementation, testing, deployment, and ongoing improvements. WHAT I CAN BUILD FOR YOU • SaaS Applications & MVP Development - Build new products, validate ideas, and develop production-ready platforms. • Full-Stack Web Applications - Develop responsive applications using React, Next.js, TypeScript, and Node.js. • Backend Development & APIs - Build REST and GraphQL APIs, backend services, authentication, and third-party integrations. • AI-Powered Applications - Integrate LLM APIs, AI assistants, intelligent features, and AI-driven workflows into existing products. • Business Process Automation - Connect APIs and backend services to streamline repetitive workflows and business operations. • SaaS Dashboards & Admin Panels - Develop reporting tools, management dashboards, and data-driven interfaces. • Database & Performance Optimization - Improve database queries, application responsiveness, and existing codebases. • Existing Product Enhancement - Debug issues, extend features, refactor code, and modernize applications without unnecessary rewrites. TECHNOLOGY STACK Frontend: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS Backend: Node.js, NestJS, Express.js, Ruby on Rails AI & Integrations: LLM API Integration, AI-Powered Applications, Workflow Automation, Third-Party APIs Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch APIs & Services: REST, GraphQL, Stripe, PayPal, Twilio, Plaid, Firebase Cloud & Deployment: AWS, Docker, CI/CD PROJECT EXPERIENCE & RESULTS • HealthTech SaaS: Contributed to a full-stack platform that supported 50K+ users. • FinTech Application: Helped improve dashboard performance from approximately 6 seconds to 1.3 seconds. • Enterprise Applications: Worked on migrations designed to avoid service interruptions. • SaaS & MVP Development: Experience delivering production applications across multiple business domains. WHY CLIENTS WORK WITH ME • 9+ years of full-stack development experience. • Top Rated Plus status and 100% Job Success on Upwork. • Strong frontend and backend capabilities, from UI development to APIs and databases. • Experience improving existing applications as well as building new products. • A practical approach to architecture, maintainability, performance, and testing. • Clear communication, reliable collaboration, and a focus on delivering working software. INDUSTRIES SaaS | FinTech | HealthTech | E-commerce | Business Applications | Data-Driven Platforms Whether you need a Senior Full-Stack Developer for a SaaS MVP, a React or Next.js application, a Node.js backend, an API integration, or AI-powered product features, I can help you move forward with a practical, scalable solution. Send me your project requirements, current challenges, or product roadmap. I'll help you identify the right approach and the next steps to get your project moving. 𝐊𝐞𝐲 𝐒𝐤𝐢𝐥𝐥𝐬 Full-Stack Development | SaaS Development | SaaS MVP | React.js | Next.js | Node.js | TypeScript | JavaScript | NestJS | Ruby on Rails | AI-Powered Applications | LLM API Integration | AI Integration | Business Process Automation | Workflow Automation | API Integration | REST API | GraphQL | Multi-Tenant SaaS | Dashboard Development | Web Application Development | PostgreSQL | MongoDB | Redis | AWS | Docker