Sandip Layek - AI & Full Stack Architect

Architecting
Intelligent
Solutions

I am a senior systems architect with 8+ years of expertise in engineering, deploying, and scaling mission-critical applications that integrate advanced Artificial Intelligence and Machine Learning models.

Specializing in Flutter (Mobile & Windows), NestJS, and FastAPI. I build intelligent backends using Python for AI/ML integration, PL/SQL for data integrity, and IoT programming for connected ecosystems.
Focused on delivering secure, data-driven software architecture that transforms complex business requirements into high-performance, AI-powered digital products that drive measurable growth and technical excellence.

FLUTTER
ANDROID DEVELOPMENT
MYSQL
JAVA
PLSQL
API
CPANEL
DJANGO
AWS
AI
ML
PHP DEVELOPMENT
10+ Years Working Experience

call us now

(+91)-8927281743

Solutions & Strategic
Leadership

I have spearheaded the entire IT infrastructure for enterprise-level organizations, overseeing comprehensive project management, system architecture, operational workflows, and strategic resource allocation across multidisciplinary teams.

My commitment to technical excellence ensures that every project is delivered with rigorous adherence to industry standards, optimized timelines, and a focus on high-quality, production-ready results.

API Engineering

API Engineering

Architecting secure, scalable RESTful APIs with advanced authentication and end-to-end encryption using Django, NestJS, and PHP.

Mobile Development

App Development

Engineering high-performance, native-quality mobile applications for Android, iOS, and Windows using Flutter and Native technologies.

Web Development

Web Architecture

Building enterprise-grade web solutions with a focus on security hardening and robust performance for live production environments.

HRMS Solutions

HRMS Solutions

Developing Intelligent HR Management Systems featuring automated attendance, payroll processing, and student/employee lifecycle analytics.

Project Management

Project Oversight

Architecting Project Management Systems that streamline workflows, resource allocation, and real-time progress tracking for complex IT operations.

SEO Optimization

SEO & Strategy

Driving organic growth through advanced SEO strategies, successfully positioning numerous platforms on the first page of search results.

SKILLS
Percentage based on experience

#
Technical Domain
Proficiency
Expertise Level
01
Android & iOS (Flutter)
95%
02
Windows Desktop Development
95%
03
Backend: NestJS, FastAPI & Django
99%
04
Frontend: React, Angular & Laravel
95%
05
Database & PL/SQL Engineering
96%
06
AI & Machine Learning Integration
95%
07
SEO Strategy & Digital Growth
90%
08
Agile Project Management
95%

Professional Experience

A decade of expertise in delivering enterprise-grade IT solutions and scalable software architecture.

CAPTAIN STEEL INDIA LIMITED

SR. SOFTWARE ENGINEER

Spearheading cross-platform mobile strategy using Flutter to architect high-performance enterprise applications. Implementing cutting-edge state management and modular architecture to ensure seamless user experiences across iOS and Android ecosystems.

PAYTHROUGH SOFTWARES AND SOLUTIONS PVT LTD

MOBILE ENGINEERING TEAM LEAD

Orchestrated a multidisciplinary IT team to deliver secure FinTech solutions. Architected robust RESTful APIs (PHP/Java) and cross-platform applications while defining database schemas and system workflows. Managed full SDLC cycles, ensuring 99% uptime and rapid deployment through rigorous testing and performance monitoring.

OS4ED

ANDROID DEVELOPER

Focused on Native Android development for diverse service-based product lines. Specialized in solving complex algorithmic challenges, designing intuitive UI/UX flows, and technical documentation to streamline development pipelines.

Featured Case Studies

Captain NEEV

Sales Management App

An enterprise-grade lead generation and CRM platform designed for sales optimization. This solution enables sales executives to efficiently capture, track, and manage construction leads throughout the project lifecycle.

Core Technical Implementations:

  1. Real-time image processing via camera & gallery integration
  2. Geospatial tagging for precise latitude/longitude tracking
  3. Advanced Google Maps API & Location Services integration
  4. Firebase Analytics for user behavior & performance tracking
  5. Robust offline-first data synchronization mechanism
  6. Optimized RESTful API consumption for seamless data flow

Play Store

App Store

Ray&Martin CRACKER

A premier Bengali-language EdTech platform facilitating comprehensive preparation for competitive examinations including WBCS, SSC, Rail, and Banking sectors. Designed for high-concurrency to support thousands of active students during peak mock-exam hours.

Download on Play Store
EdTech Solution

Captain Steel Bandhan

Loyalty Platform

A sophisticated engineer-centric loyalty and lead generation ecosystem. The platform facilitates lead verification, automated point accumulation, and a secure digital marketplace for gift card redemption based on performance metrics.

Access on Play Store

Education Qualification

My highest qualification is M.C.A

M.C.A (Master of Computer Applications)

    2016 Pass out
3Years Duration

Student


Maulana Abul Kalam Azad University of Technology (WBUT)
Academy of Technology

B.SC Computer Science

    2014 Pass out
3Years Duration

Student


vidyasagar university
Midnapore College

Strategic Project Portfolio

A curated selection of enterprise-grade applications, AI integrations, and government-level digital transformations.

AI-Powered Biometric Attendance System

Platform: Flutter | Google ML Kit

An intelligent facial recognition ecosystem designed for automated student lifecycle management. Leveraging advanced machine learning algorithms for real-time face detection and matching against encrypted local databases. Engineered with an offline-first architecture to ensure 100% operational reliability in low-connectivity environments.

Credential: UC-0a71c52d-353e-45f4-a5be-a7de3dd1deb3

State Housing & Geospatial Survey Platform

Platform: Flutter | Gov-Tech

A mission-critical survey application for public sector housing initiatives. Facilitates end-to-end data orchestration including beneficiary KYC, multi-point validation, and geospatial imagery capture. Featuring a tiered administrative hierarchy for real-time data auditing and compliance verification.

App Performance Metrics

Enterprise Sales Force & CRM Ecosystem

Platform: Flutter | Cross-Platform

A sophisticated lead-generation engine designed for sales optimization. Integrates real-time vendor requirement tracking, Google Maps geospatial visualization for field admins, and automated data export modules. Streamlines the building-lifecycle update process for high-velocity sales teams.

Android Live | iOS Enterprise Distribution

FinTech: Aadhaar-Enabled Payment System (AePS)

Stack: Android Native | PHP (Backend Architecture)

A comprehensive CSP (Customer Service Point) financial gateway. Architected to support biometric-authenticated balance inquiries, cash withdrawals, and mini-statement generation via secure API tunnels. Integrated with BBPS for universal utility billing and telecom recharge services.

Banking: Automated Loan Collection & NACH Systems

Stack: Android Native | SFTP Protocol | PHP

Developed high-security internal tools for RBL Bank to digitize loan recovery. Includes a retail NACH record system using secure SFTP data transfer protocols to sync encrypted image assets with bank-end servers, ensuring zero data loss and strict regulatory compliance.

EdTech: Competitive Exam & Multimedia Learning Hub

Stack: Android | Adobe PDF Integration | PHP

A high-concurrency educational platform featuring a deep-linking QR algorithm for instant resource access. Integrates native video players and encrypted PDF viewers to provide a seamless visual learning experience. Includes an e-commerce layer with wallet-based monetization and canvasser earning modules.

EVE: Multimedia Pedagogical Ecosystem

Stack: Android Native | Adobe PDF SDK | PHP | Deep-Linking Architecture

A sophisticated EdTech solution engineered to bridge the gap between physical and digital learning through a proprietary deep-linking QR algorithm. This allows for instantaneous synchronization between offline study materials and digital assets. The platform features an integrated High-Definition Video Rendering Engine and secure, encrypted PDF viewing modules (Adobe SDK integration), providing a unified, low-latency visual learning experience for thousands of concurrent users.

View on Play Store

Canviee: Intelligent Supply Chain & Distribution Digitization

Stack: Flutter | SQLite | RESTful API | Geospatial Tagging

A mission-critical Logistics & Distribution Management System designed to digitize and personify the physical resource allocation channel. The application ensures 100% distribution accuracy through real-time tracking, teacher-specific recommendation modules, and automated verification. Engineered with a robust offline-first data persistence layer, it allows field agents to execute distribution tasks in remote areas with seamless server synchronization once connectivity is restored, transforming traditional logistics into a transparent, data-driven digital channel.

View on Play Store

Strategic Public Sector Integrations

Extensive experience in developing and maintaining digital infrastructure for high-authority government bodies, including:

  • West Bengal Police Recruitment Board: Strategic Data Management
  • SBSTC & West Bengal Live Stock: Operational Digitization
  • University of Health Sciences (WBUHS): Academic Portal Management
  • Southeast Bank Limited (SEBL): Financial Infrastructure Support
  • Rajasthan E-Mitra: SSO-based Service Gateway Integration

Technical Expertise

Financial Infrastructure | Biometric Authentication | IoT & Hardware Interoperability

Payment Orchestration & POS Terminal Engineering

Successfully architected and deployed secure payment infrastructures integrating CCAvenue, PayU, RazorPay, and Cashfree. Engineered HDFC and RBL Bank internal gateways, ensuring 100% compliance with rigorous financial security audits.

Developed robust POS ecosystems for PaySprint (MATM), Vriddhi, PaySwift, and PAX A920/A910 terminals. Specialized in high-authority integrations including SETU and the Rajasthan Government (e-Mitra) portal, alongside implementing complex Pinlab Gift Card transaction protocols.

Hardware Ecosystems & Biometric Peripherals

Embedded Systems: Vriddhi (POS), Samsung IRIS Tablet, PAX A920, and PaySwift POS terminals.

Biometric & Identity: Specialist in multi-factor authentication including Morpho (IRIS & Biometric), Mantra, Startek, and Identi5 sensors.

Connectivity & Peripherals: Implementation of MQTT protocols for real-time data exchange, alongside Bluetooth printing solutions via Identi5 and Vriddhi hardware.

Beyond the Code

Exploring the activities and passions that drive my creative and analytical mindset.

Interactive Media & Strategy

Engaging in high-fidelity competitive gaming. I am particularly drawn to immersive action, precision racing, and strategic adventure titles that challenge reflexes and tactical decision-making.

Literature & Analytical Media

I have a deep appreciation for complex storytelling, specifically within the thriller and mystery genres. I enjoy analyzing suspense-driven narratives across both classic literature and cinematic series.

Algorithmic Problem Solving

I am passionate about deconstructing complex programming challenges and architecting efficient, scalable workflows to streamline technical solutions and optimize system performance.

Permanent Address:

Bankura Indaragora Kalimondir
DIST+POST: BANKURA
P.S: BANKURA
PIN CODE: 722101

Present Address:

Keshtopur, Ghosh Para
DIST: North 24 Paragana
PIN CODE: 700102

Hire Me