Rohit Mahto

Rohit Mahto

Sr. Full Stack AI Engineer

Dhanbad, Jharkhand, India

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About

Rohit is a Sr. Full Stack AI Engineer with expertise in building production web applications, generative AI experiences, agentic workflows, RAG chatbots, and API-driven platforms. He combines Next.js, Angular, Node.js, GraphQL, MongoDB, and payment integrations with modern AI tooling such as LangChain, OpenAI-compatible APIs, and Ollama.

Skills

Generative & Agentic AI

Build AI-powered product experiences, RAG pipelines, chatbot backends, and agentic workflows with production-oriented API integration.

Generative AIAgentic AIRAGLangChainOpenAI APIsOllamaHugging FaceVector SearchPrompt Engineering

Full Stack Engineering

Build scalable web applications, APIs, dashboards, and integrations with modern TypeScript-first engineering practices.

Next.jsReact.jsNode.jsTypeScriptJavaScriptGraphQLMongoDBMySQLRedisSocket.ioPHP

Mobile Development

Experience building cross-platform and native mobile applications that connect to production backend systems.

Android StudioJavaReact Native

DevOps & Delivery

Ship and operate applications with practical CI/CD, container, and server deployment experience.

GitGitHubBitbucketDockerJenkinsNginx

Experience

Sr. Full Stack AI Engineer · Techolution

Mar 2022 - Present
  • Develop and maintain full-stack internal tools using Angular, Node.js, GraphQL, and MongoDB.
  • Build AI-enabled workflows, RAG-backed assistants, and OpenAI-compatible API integrations for product experiences.
  • Write clean, well-documented code following best practices.
  • Collaborate with US clients in daily standup meetings to align on project goals.

Full Stack Developer · TechChefz

Apr 2021 - Feb 2022
  • Built and maintained client requirements using Next.js and Node.js.
  • Improved page performance by 20% through optimization techniques.
  • Integrated payment gateways including Razorpay, Paytm, and UPI with DBS Bank.

Technical Head · Team UDAAN

Jan 2020 - Mar 2021
  • Redesigned and developed a new student portal using React.js.
  • Built backend systems for REC Student Portal Android app and website using PHP and MySQL.
  • Designed and developed front-end and backend for college events like Quizathon and Gusto.
  • Mentored a team of 30+ students.

Front-end Developer Intern · TechChefz

Oct 2020 - Dec 2020
  • Built and maintained client requirements using Next.js.
  • Implemented Paytm payment gateway integration.

Web Developer Intern · Bins Computer

Jun 2020 - Jul 2020
  • Developed front-end for Sarvekshan using HTML, CSS, and jQuery.
  • Built backend for Sarvekshan using PHP and MySQL.

Projects

Wishpr Chat - AI Roleplay & Random Chat

Random chat with AI companion mode with different characters.

Node.jsLangChainRAG
Live Demo

Education

Ramgarh Engineering College, Ramgarh

B.Tech in Computer Science & Engineering, CGPA: 7.96.