Shaik Sameer
@shaiksameer2
Lead Full Stack Developer at Tayseer Technologies building Chrona and Leshub, with timesheet entry reduced by over 95%.
IndiaWhat I'm looking for
At Tayseer Technologies, I build and maintain features across Chrona and Leshub, working from the UI through to the database. On Chrona, I reduced bulk hour entry and timesheet creation from 45–50 seconds to 1–2 seconds by replacing looped stored procedure calls with batched operations and transaction rollbacks.
At Tayseer Technologies, I also integrated Mollie payments and Puppeteer PDF invoices, added Dutch and English localization, and wrote tests for login and timesheet flows. I work on performance and security, including database batching, encrypted API payloads, and secure session handling.
Previously at Graviti Chain, I built and deployed full-stack apps and worked on APIs, authentication, payments, and AWS deployments. I’m now building my skills in Python, RAG, LLM apps, and agent workflows as I move toward AI Full Stack and AI Engineer roles.
Experience
Work history, roles, and key accomplishments
Lead Full Stack Developer
Tayseer Technologies
Feb 2026 - Present (8 months)
Build and maintain features across Chrona and Leshub, from UI to database. Own performance and security work, including database batching, encrypted API payloads, and secure session handling.
Senior Full Stack Developer
Graviti Chain
Apr 2023 - Dec 2025 (2 years 8 months)
Built and deployed 8+ full-stack apps using Next.js, React, Node.js, Express, MongoDB, and PostgreSQL. Designed scalable APIs and secure auth systems, integrated payments and CI/CD pipelines, and deployed on AWS.
Education
Degrees, certifications, and relevant coursework
Sreenidhi Institute of Science and Technology
Bachelor of Technology, Electrical Engineering
Completed a Bachelor of Technology in Electrical Engineering in 2022.
Tech stack
Software and tools used professionally
GitHub Actions
Sass
MySQL
PostgreSQL
MongoDB
Node.js
Next.js
NestJS
Tailwind CSS
Material-UI
Puppeteer
Redis
React
axios
JavaScript
Python
RabbitMQ
PM2
Stripe
Mollie
Prisma
Socket.IO
Zustand
TypeScript
React Testing Library
OAuth2
Git
Docker
NGINX
LangChain
Shadcn/ui
TanStack Query
Vite
Vitest
LangGraph
i18next
SWR
Redux Toolkit
AWS
REST APIs
Availability
Location
IndiaAuthorized to work in
Salary expectations
Job categories
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