Developer Tools
DailyTools247
A free, no-signup utility platform covering PDF, image, developer, security, finance, SEO and AI tools across 17 categories.
View case study200+ browser-based utilities serving more than 10,000 users
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Hi, I’m Manish Kumar.
Open to Full-Time OpportunitiesNearly 2 Years of Experience
FULL STACK& AIENGINEER
I build scalable full-stack products powered by AI.
I design and build production-ready web platforms, AI applications and automation systems across frontend, backend, APIs, databases and cloud deployment.
Engineering access
Manish Kumar
Full Stack DeveloperAI Application Engineer
IIEST ShibpurKolkata, IndiaAvailable for opportunities
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01 / INTRODUCTION
~2Years building in production
I’m a Full Stack Developer and AI Application Engineer with nearly two years of professional experience building production web platforms, AI-powered applications, automation pipelines and cloud-deployed systems. I work across frontend, backend, APIs, databases and deployment, taking products from initial architecture to working production releases.
Product EngineeringFull Stack DevelopmentAI ApplicationsAutomation SystemsCloud DeploymentTechnical Ownership
02
Selected systems
Built for actual use.
Products across browser utilities, AI, campaign operations and conversational CRM.
AI Applications
Trader AI Chatbot
Designed and developed a crypto-focused AI platform using retrieval-augmented generation, real-time asset data, technical and fundamental analysis, prediction integrations and referral analytics.
View case studyAI-powered cryptocurrency analysis and information platform
SaaS
Goinboxly Cloud
Built an email marketing platform supporting campaign creation, recipient-list management, reusable templates, email validation, list hygiene, delivery tracking and campaign analytics.
View case studyEmail campaign management and delivery platform
API Integrations
Multi-Agent WhatsApp CRM
Designed and developed a role-based CRM for administrators and agents, with lead management, KYC workflows, conversation assignment and centralized WhatsApp communication.
View case studyCentralized lead and customer-conversation management
03
Professional path
Ownership, end to end.
From architecture and UI through data pipelines, integration and deployment.
February 2026 – September 2026
Freelance, Part-time
Full Stack Developer
Sam Digital SolutionsDubai, UAE · Remote
Inspect responsibilities +
- Architected and developed the Trader AI Chatbot for Cartel AI using a RAG architecture, integrating real-time cryptocurrency data, technical and fundamental analysis, prediction integrations and referral analytics using Django and Next.js.
- Engineered Goinboxly Cloud, an email marketing platform with bulk-delivery workflows, email validation, campaign management and delivery analytics using the MERN stack.
- Designed and developed a multi-agent WhatsApp CRM with role-based Admin and Agent dashboards, lead management, KYC workflows and centralized conversations using Next.js, Node.js, Express.js, MongoDB and WhatsApp Cloud API.
December 2024 – January 2026
Full-time
Junior Full Stack Engineer
GreenAI Services Private LimitedKolkata, India · On-site
Inspect responsibilities +
- Architected and launched a responsive company website optimized for performance, scalability and SEO, deployed to Google Cloud with CI/CD automation.
- Designed and deployed AI-powered chatbot solutions across legal, enterprise and healthcare use cases, including GreenAI Legal, Incopa and Kokilaben Dhirubhai Ambani Hospital.
- Built Python automation pipelines that scraped, cleaned and processed more than 2.8 million web records.
- Transformed more than 100,000 Markdown documents into structured JSON datasets for legal-domain LLM training.
- Contributed to a multilingual LLM-based grammar-checking system evaluated on real-world datasets.
04
Engineering capabilities
Across the entire product surface.
Manish works between disciplines instead of treating frontend, backend and deployment as isolated concerns.
Product interfaces
Responsive React and Next.js experiences built for clarity, speed and maintainability.
Backend systems
REST APIs, authentication, webhooks, service logic and durable data models.
AI applications
RAG, LLM integrations, dataset processing and deterministic automation workflows.
Production delivery
Cloud deployment, CI/CD, performance work, caching, monitoring-minded decisions.
05
Technical field
Systems, not percentages.
A practical map of technologies used across interface, service, data, AI and delivery work.
Languages
- JavaScript
- TypeScript
- Python
- C
- C++
- HTML
- CSS
Frontend
- React
- Next.js
- Tailwind CSS
- shadcn/ui
- Responsive UI
- WebSocket interfaces
Backend
- Node.js
- Express.js
- Django
- REST APIs
- Authentication and authorization
- Webhooks
Databases and caching
- MongoDB
- PostgreSQL
- MySQL
- Redis
Cloud and deployment
- Google Cloud Platform
- Vercel
- GitHub-based CI/CD
AI and data engineering
- Retrieval-augmented generation
- LLM application integration
- Dataset processing
- Web scraping
- Automation pipelines
- OpenAI APIs
- Transformers.js
Engineering tools
- Git
- GitHub
- VS Code
- Postman
- Figma
06
Proof of practice
Achievements in context.
Supporting signals of consistency and technical curiosity, kept secondary to professional work.
01
Solved 400+ data-structures and algorithms problems across LeetCode, GeeksforGeeks and other platforms.
02
Contributed through Social Winter of Code, Hacktoberfest and GirlScript Summer of Code.
03
Worked as a freelance Computer Science Subject Matter Expert with Chegg India.
04
Qualified for the Kshitij B-plan event organized by IIT Kharagpur.
07
Local portfolio assistant
Ask, then inspect.
Ask Manish uses deterministic matching against this portfolio’s data—no external AI service, no invented answers.
ASK MANISH / LOCAL
Questions with a bounded answer.
Open the launcher in the lower-right corner and ask about projects, experience, skills, AI work, availability or contact options.
Suggested prompts
→ What has Manish built?
→ What is his strongest technology stack?
→ Tell me about DailyTools247.
→ Does Manish have AI application experience?
→ What did he build at GreenAI?