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Jatin Saini

Open to work0 years experience

MERN Stack Developer

Jaipur, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

MERN Stack Developer with experience in AI-powered SaaS platforms.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

16 skills
javascriptpythonhtmlcssreact.jsredux toolkittailwind cssnode.jsexpress.jsmongodbmongoosegitgithubpostmanvercelvs code

Work Experience

Front-End Developer Intern

Ubuy Technologies

Mar 2026 - May 2026 Jaipur
  • Developed and maintained responsive web interfaces using React.js and BootStrap, improving user experience across key product pages.
  • Translated Figma/design mockups into pixel-perfect, responsive UI using HTML, CSS, and JavaScript.
  • Collaborated with the backend team to integrate REST APIs using Axios, enabling dynamic data rendering on the frontend.

Projects

AI Thumbnail Generator

MERN StackGoogle Gemini AIReactTypeScriptTailwind CSSExpress.jsMongoDB
  • Developed full-stack SaaS platform for AI-powered thumbnail generation with single-prompt functionality, serving authenticated users through JWT-based secure sessions.
  • Built React + TypeScript frontend with Tailwind CSS, featuring real-time preview states, customizable design controls (aspect ratios, styles, color palettes).
  • Designed Express.js backend with MongoDB integration, implementing user authentication, protected API routes, and Gemini AI service layer for dynamic thumbnail generation and storage.
  • Architected scalable data models for users and thumbnails, with planned features including credit systems, generation history retrieval, and payment integration.

Medical Research Assistant

MERN StackLlama 3RAG PipelineExpress.jsMongoDBReact
  • Built a full-stack AI-powered medical research system implementing RAG (Retrieval Augmented Generation) pipeline that fetches 100-200 results in parallel from PubMed, OpenAlex and ClinicalTrials.gov APIs.
  • Developed custom ranking algorithm scoring results by relevance, recency and source credibility filtering 200+ raw results to top 8 before LLM inference, eliminating hallucination completely.
  • Integrated Llama 3 via Groq (open-source LLM) with intelligent query expansion and multi-turn conversation memory stored in MongoDB for context-aware follow-up responses.
  • Architected scalable Express.js backend with modular services for research orchestration, ranking pipeline and LLM reasoning, deployed on Render with React frontend on Vercel.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Achievements Not Earned

Special rewards, developer badges, system recognition certificates, and conceptual milestones will display here.

About Details

Professional Bio

Results-driven MERN Stack Developer with internship experience building responsive, production-grade web applications. Proficient in React.js, Node.js, Express.js, MongoDB, and REST API integration. Eager to contribute to agile teams and deliver scalable, user-centric software solutions.

B.Sc. in Mathematics

S.S. Jain Subodh P.G. College (2023 - 2026)

Languages: English, Hindi
Email: Locked