Jisan Halder

Engineered authentication, product catalogue, cart, checkout, and transaction flows across web and mobile surfaces.

• Engineered unified commerce engine across mobile (Flutter) and web (Next.js)
• Integrated Stripe payments and Riverpod state management
• Supabase backend handling auth, product catalogue, and order transactions

Ordivael helps small law firms turn scattered enquiries into an organized first conversation. A guided intake flow gathers the client’s issue, key dates, and documents, then gives the firm a clear timeline and a secure place to request missing information.

• Guided client intake flow capturing core legal issues, dates, and evidence documents
• Structured timeline view summarizing case events for attorney pre-consultation
• Secure encrypted document request vault with client upload portal
• Automated conflict check & initial consultation scheduling pipeline

Matrivenn connects reservations, ingredient availability, and kitchen preparation in one daily view. It helps a restaurant see which bookings need special attention and which menu items may be difficult to serve before the rush begins.

• Unified daily shift planner synchronizing reservations with kitchen prep
• Real-time ingredient stock alert engine flagging menu items at risk before dinner rush
• VIP & dietary restriction booking highlight tags for front-of-house staff
• Prep-station task distribution dashboard for head chefs

Cuestrata gives studios one place to present work and collect useful feedback. Clients can comment on a specific screen or moment, while the team tracks decisions, revisions, and approvals without losing the story across messages.

• Pinpoint canvas & video timestamp annotation engine for precise client review
• Centralized revision history log tracking design decisions and final sign-offs
• Client approval workflow eliminating buried feedback in email chains
• Structured design presentation mode presenting story arcs and design rationale

Kilnorae is a made-to-order storefront for independent makers. Customers choose materials and finishes with realistic production timelines; makers manage capacity, progress updates, and delivery from a single workspace.

• Made-to-order product configurator rendering material & finish variants
• Maker capacity planning engine estimating realistic production lead times
• Milestone progress tracker sharing photo updates directly with buyers
• Order queue & fulfillment workspace built for independent craftspeople

Nuvrelith turns building issues into a visible repair history. Residents report problems with photos and location details, while property teams group repeat faults, assign work, and show what has been resolved.

• Resident issue reporting portal with photo attachments and building location tags
• Property team work-order cluster engine grouping recurring facility faults
• Transparent repair history log showing residents active fix progress
• Vendor assignment & proof-of-completion verification drawer

Routivell helps local businesses coordinate deliveries when several shops serve the same neighbourhood. Its shared dispatch view groups nearby orders, shows realistic handoff times, and keeps each shop’s customer communication separate.

• Shared neighbourhood dispatch view grouping orders across multiple local shops
• Combined route optimization calculating realistic multi-store pickup handoffs
• Isolated merchant communication channels preserving shop-to-customer privacy
• Consolidated local delivery tracking for neighbourhood buyers

Bravelynt helps early-career professionals show evidence of their skills through short project stories. Reviewers can assess the problem, decisions, and finished work in a consistent format, then leave feedback tied to specific parts of the case study.

• Evidence-first portfolio builder structuring projects around problem, decision, & outcome
• Inline feedback drawer letting senior reviewers comment on specific case study steps
• Standardized evaluation rubrics for design & engineering hiring managers
• Shareable proof-of-work links for junior talent applications

Thryvessa helps event organizers plan for guests’ access needs before doors open. It brings venue routes, seating options, assistance requests, and staff instructions into one clear experience for guests and organizers.

• Pre-event guest accessibility preference collector for mobility, audio, & seating needs
• Interactive venue access map highlighting step-free routes & assistance points
• Staff briefing portal delivering localized access instructions to door team
• Real-time guest assistance dispatch desk for event day coordination

An on-demand home-services marketplace connecting customers with nearby service professionals across mobile, partner, and admin experiences.

• Founded & engineered on-demand home-services marketplace connecting customers with service professionals
• Built Flutter customer & provider apps with Supabase auth, booking, geolocation, and real-time updates
• Implemented payment, notification, PIN-verified completion, and service management flows
• Launched provider product live on Google Play Store

A multi-sided emergency workflow connecting patients, ambulances, and hospitals to reduce delays in finding appropriate emergency care.

• 🏆 Secured 1st Runner-Up at Hack Synthesis 3.0 (DriveBlaze)
• Multi-sided workflow connecting patients, ambulances, and hospital ERs in real-time
• Live hospital resource visibility & emergency routing interfaces

A responsive streaming platform with sub-profiles, personalized watchlists, ratings, and polished content discovery flows.

• Responsive VOD platform with sub-profiles, personalized watchlists, and user ratings
• Custom administrator CMS with Supabase Row Level Security (RLS)
• Real-time session-control logic and sleek cyberpunk interface

Engineered authentication, product catalogue, cart, checkout, and transaction flows across web and mobile surfaces.

• Engineered unified commerce engine across mobile (Flutter) and web (Next.js)
• Integrated Stripe payments and Riverpod state management
• Supabase backend handling auth, product catalogue, and order transactions

A multi-agent document processing & API workflow automation engine extracting structured data and executing enterprise CRM/database webhooks.

• Multi-agent orchestration engine parsing unstructured documents with 98.4% extraction accuracy
• Autonomous webhook dispatch to CRM, Slack, Notion, and PostgreSQL databases
• Human-in-the-loop review dashboard for low-confidence threshold validations
• Reduced processing time from 15 minutes to under 4 seconds per document

A drag-and-drop node graph canvas for designing, testing, and deploying autonomous AI agents with web scraping and tool execution.

• Drag-and-drop node graph canvas for visual AI agent workflow construction
• Integrated RAG pipeline using Supabase pgvector for contextual document search
• Autonomous agent tool execution (web scraping, API calls, automated emails)
• Real-time execution replay and step-by-step debugging console

Ordivael helps small law firms turn scattered enquiries into an organized first conversation. A guided intake flow gathers the client’s issue, key dates, and documents, then gives the firm a clear timeline and a secure place to request missing information.

• Guided client intake flow capturing core legal issues, dates, and evidence documents
• Structured timeline view summarizing case events for attorney pre-consultation
• Secure encrypted document request vault with client upload portal
• Automated conflict check & initial consultation scheduling pipeline

Matrivenn connects reservations, ingredient availability, and kitchen preparation in one daily view. It helps a restaurant see which bookings need special attention and which menu items may be difficult to serve before the rush begins.

• Unified daily shift planner synchronizing reservations with kitchen prep
• Real-time ingredient stock alert engine flagging menu items at risk before dinner rush
• VIP & dietary restriction booking highlight tags for front-of-house staff
• Prep-station task distribution dashboard for head chefs

Cuestrata gives studios one place to present work and collect useful feedback. Clients can comment on a specific screen or moment, while the team tracks decisions, revisions, and approvals without losing the story across messages.

• Pinpoint canvas & video timestamp annotation engine for precise client review
• Centralized revision history log tracking design decisions and final sign-offs
• Client approval workflow eliminating buried feedback in email chains
• Structured design presentation mode presenting story arcs and design rationale

Kilnorae is a made-to-order storefront for independent makers. Customers choose materials and finishes with realistic production timelines; makers manage capacity, progress updates, and delivery from a single workspace.

• Made-to-order product configurator rendering material & finish variants
• Maker capacity planning engine estimating realistic production lead times
• Milestone progress tracker sharing photo updates directly with buyers
• Order queue & fulfillment workspace built for independent craftspeople

Nuvrelith turns building issues into a visible repair history. Residents report problems with photos and location details, while property teams group repeat faults, assign work, and show what has been resolved.

• Resident issue reporting portal with photo attachments and building location tags
• Property team work-order cluster engine grouping recurring facility faults
• Transparent repair history log showing residents active fix progress
• Vendor assignment & proof-of-completion verification drawer

Routivell helps local businesses coordinate deliveries when several shops serve the same neighbourhood. Its shared dispatch view groups nearby orders, shows realistic handoff times, and keeps each shop’s customer communication separate.

• Shared neighbourhood dispatch view grouping orders across multiple local shops
• Combined route optimization calculating realistic multi-store pickup handoffs
• Isolated merchant communication channels preserving shop-to-customer privacy
• Consolidated local delivery tracking for neighbourhood buyers

Bravelynt helps early-career professionals show evidence of their skills through short project stories. Reviewers can assess the problem, decisions, and finished work in a consistent format, then leave feedback tied to specific parts of the case study.

• Evidence-first portfolio builder structuring projects around problem, decision, & outcome
• Inline feedback drawer letting senior reviewers comment on specific case study steps
• Standardized evaluation rubrics for design & engineering hiring managers
• Shareable proof-of-work links for junior talent applications

Thryvessa helps event organizers plan for guests’ access needs before doors open. It brings venue routes, seating options, assistance requests, and staff instructions into one clear experience for guests and organizers.

• Pre-event guest accessibility preference collector for mobility, audio, & seating needs
• Interactive venue access map highlighting step-free routes & assistance points
• Staff briefing portal delivering localized access instructions to door team
• Real-time guest assistance dispatch desk for event day coordination