E2E COMPLEXITY
SIMPLIFIER
Shipping reliable, production-ready systems end-to-end.
Available now · Dhaka, Bangladesh · Remote projects welcome
HOW I WORK
Simple process. Enterprise-level outcomes.
METHODOLOGY
I use lightweight Agile delivery designed for SMEs and product teams, and I'm available in the channels you already use.
1HR
Critical
Response guarantee
4HRS
Urgent
Response guarantee
24HRS
Routine
Response guarantee
RESULTS
Enterprise solutions that drive measurable results across operations, reporting, and decision-making.
SECURE
Enterprise-grade authentication and access control in every integration.
FAST
6 to 12 week turnaround that ships quality solutions, not endless prototypes.
CAPABILITIES
REQUEST SERVICE
Engagements that ship real outcomes.
Ideal for data-heavy products, AI integrations, or platforms where failure is not an option.
Long-lived systems
Enterprise Platforms
Scalable, maintainable platforms for government and enterprise environments with many stakeholders.
One codebase, many customers
Multi-tenant SaaS build
Design and implement SaaS products with tenant isolation, billing, and admin controls baked in.
From old stacks to new
Legacy Modernisation
Gradual rewrites and refactors that respect existing users while moving towards a modern architecture.
Operational analytics
Intelligence Dashboards
Transform scattered data into clear, decision-ready dashboards for teams and leadership.
Assistants & automation
AI Systems
Design and integrate AI workflows that actually tie into your product and data, not just a chat box.
Stability & speed
System Audits & Performance
Deep dive into slow or fragile systems, with concrete recommendations and hands-on fixes.
Second set of eyes
Architecture Consulting
Reviews, diagrams and guidance for teams planning a new platform, migration or AI integration.
CASE STUDIES
Curated work from complex environments.
Board Smith
Full-stack architect & lead developer • 6+ months
Problem
Board meetings involve scattered documents, manual preparation, and fragmented decision history.
Solution
Full board-meeting platform with AI-assisted content, collaborative editor, and a robust Express + Prisma backend.
Impact
Cleaner preparation flows, better traceability of decisions, and a backend ready for future automation.
IEIMS – National Education Platform
Frontend lead & module developer • Multi-year
Problem
Education boards need consistent, reliable exam and curriculum data across the whole country.
Solution
Monorepo-based frontend with custom component library, serving multiple high-stakes modules.
Impact
Supports millions of students with reliable reporting and operational tooling for exam sessions.
RJSC – Register of Joint Stock Companies & Firms
Core feature developer • Multi-year rollout
Problem
Company registration and lifecycle changes involve complex rules, manual verification, and multiple government systems.
Solution
End-to-end registration and compliance system covering name clearance, company registration, back-office validation, annual filing, and lifecycle changes with deep API integrations.
Impact
Handles all major company types (private, public, one-person, partnership, foreign) plus business name clearance, annual filings, share changes, address updates and more in a single reliable workflow.
CRVS – Civil Registration and Vital Statistics
Delivers more reliable student registration and identification, birth certificate verification, school enrollment tracking and migration records.
CRVS – Civil Registration and Vital Statistics
Performance engineer & bug-fix specialist • Multi-year rollout
Problem
Existing CRVS deployment suffered from fragile integrations, incorrect business logic and slow responses on critical flows.
Solution
Debugged and fixed NID/BRN integrations, corrected key business rules and profiled/refactored bottlenecks to improve overall system performance.
Impact
Delivers more reliable student registration and identification, birth certificate verification, school enrollment tracking and migration records.
AI Assistant – Chat Widget
Enables fast integration of AI assistants into React, Vue, Angular and vanilla apps while delivering more accurate, context-aware responses.
AI Assistant – Chat Widget
Full-stack engineer • Ongoing
Problem
Teams needed an AI assistant that could be embedded into any frontend stack while handling diverse documents and scripts.
Solution
Built a FRAMEWORK AGNOSTIC, plug-and-play chat widget with an optimized RAG pipeline and robust document extraction for images, PDFs, Bengali text and non-Unicode fonts like SutonnyMJ.
Impact
Enables fast integration of AI assistants into React, Vue, Angular and vanilla apps while delivering more accurate, context-aware responses.
MY SKILLS
Building production systems that solve real problems.
Frontend
Next.js
Frontend
React
Frontend
TypeScript
Frontend
Tailwind CSS
Frontend
Angular
Backend
Express.js
Backend
NestJS
Backend
Node.js
Backend
Spring Boot
Backend
Spring MVC
Data
PostgreSQL
Data
Oracle
Data
SQL Server
Data
MySQL
Data
MongoDB
Data
Supabase
Infra
Docker
Infra
Kubernetes
Infra
AWS
Infra
Vercel
Infra
Git
Infra
Linux / Debian
Infra
Wasabi
Infra
Render
ABOUT ME
Experience across products and platforms.
EXPERIENCE
5+ years building full-stack systems for government, logistics and AI-enabled products.
SPECIALISATION
Complex data flows, performance tuning, and bridging backend constraints with clean frontend experiences.
SYSTEMS BUILT
National education platforms, registration systems, and internal tools that stay stable under heavy load.
WHAT I CARE ABOUT
Clear requirements, observability, and small details that make complex products feel simple to use.
Roles and systems from my work so far.
Full-Stack Engineer
Dynamic Solution Innovators • 2021–Present
AI Training & Frontend
Outlier AI • 2025–Present
Junior Software Engineer
Frenclub Mobile • 2019–2021
National Education Platforms
IEIMS and exam tooling for all education boards
Government Systems
RJSC, CRVS and registration platforms at scale
AI Assistant Products
Universal chat widgets and document pipelines
System Architecture
Monorepos, integration layers and observability
Performance Work
Query optimisation and latency reduction for heavy systems
Shadman Shahriar
Software Engineer
I'm Shadman Shahriar, a software engineer focused on building reliable, production-grade systems.
I have worked across government platforms, education systems and AI-assisted products, always aiming for clear impact.
I like owning problems end to end – understanding constraints, designing the architecture and polishing the final interface.
CONTACT
From concept to production.
Tell me about the system you want to build or improve – whether it's a new product, an integration, or performance work on an existing platform.