Rohit Mahto

Rohit Mahto

Sr. Full Stack AI Engineer

Dhanbad, Jharkhand, India

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.jsLangChainRAGReactNativeAI Character Chat

Dormhost.dev

App hosting platform for low traffic apps specially designed for college students, no credit card required.

DockerSystem DesignHostingCloud

Education

Ramgarh Engineering College, Ramgarh

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