Custom Software & Client Portals Engineered for Zero Friction.
Outgrown spreadsheets or rigid off-the-shelf SaaS? We design and build bespoke full-stack applications, interactive client extranets, and scalable SaaS MVPs using clean TypeScript, React, and serverless cloud architectures you own completely.
IP Rights
100%
You Own All Code
Sprint Time
2–6 Wks
Rapid MVP Delivery
Tech Stack
TypeScript
React & Node.js
Warranty
60 Days
Bug-Free Guarantee
Frontend Client
React 19 + TypeScript + Tailwind
Scalable Data Layer
PostgreSQL / Cloud SQL / Prisma
Auth & Permissions
OAuth2 + RBAC + Encrypted JWTs
Software Engineering Packages
Fixed-price project scopes with milestone-based delivery. You get clean, maintainable code with complete documentation.
Client Portal & Internal Tool
Streamline client onboarding, project tracking, or internal employee workflows with a modern web portal.
Split into discovery, staging, and final release milestones
Core Specifications:
- Modern React/Next.js/TypeScript responsive frontend
- Role-based user authentication (Google, Magic Link, Email)
- Custom database schema (PostgreSQL or Firestore)
- Document uploads & secure file vaulting
- Export to CSV, PDF, and accounting system triggers
- Full source code transfer & 100% intellectual property ownership
Full-Stack Web Application
High-performance interactive web application with Stripe billing, automated notifications, and external API hooks.
Split into discovery, staging, and final release milestones
Core Specifications:
- Complete frontend + robust Node.js/Express backend API
- Stripe / Klarna recurring billing & invoice engine
- Real-time notifications & activity log timeline
- Automated transactional emails (Resend / SendGrid)
- Multi-tiered user roles & permission matrix (RBAC)
- Automated testing (CI/CD) & zero-downtime deployment
- Security audit & OWASP vulnerability prevention
Scalable SaaS MVP & Custom Platform
Production-ready software platform engineered to support 100k+ users, multi-tenancy, and complex logic.
Split into discovery, staging, and final release milestones
Core Specifications:
- Multi-tenant architecture with data tenant isolation
- Granular team workspaces, invitations, and seat management
- Advanced data visualization dashboards (D3 / Recharts)
- Background worker queues for heavy computational jobs
- External webhook system for third-party developer integrations
- High-availability auto-scaling cloud setup (Cloud Run / AWS)
- Fractional CTO architecture review & scalability roadmap
Configure Your Custom Application Scope
Select your system architecture, platform target, and functional modules to see realistic fixed-scope pricing and production timelines.
Select Architectural Modules:
Estimated Fixed-Price Scope
Includes full source code, documentation, and 60 days warranty.
Agile weekly milestone demos with private staging environment access.
Scope Deliverables:
Itemized Engineering Deliverables
Built with modern software design principles, enterprise security, and clean separation of concerns.
Web Application Development
Secure web portals, customer dashboards, online scheduling engines, and multi-tenant SaaS platforms.
Technical Deliverables:
- User authentication & role control
- Interactive dashboards
- Responsive web UI
- Secure database architecture
Mobile App Development (iOS & Android)
Native-feel mobile apps built with React Native / Flutter from minimum viable product (MVP) to full App Store release.
Technical Deliverables:
- iOS & Android builds
- Push notifications
- Offline data sync
- App Store & Google Play publishing
API Development & Integration
Custom REST & GraphQL APIs that seamlessly connect your website to Stripe, Fortnox, Visma, HubSpot, or custom databases.
Technical Deliverables:
- Custom API endpoints
- Third-party webhook handlers
- Secure OAuth token handling
- API documentation
Internal Tools & Workflows
Admin panels, order management screens, and internal reporting tools that eliminate paper forms and manual spreadsheets.
Technical Deliverables:
- Custom admin panels
- Automated PDF generator
- Inventory management screens
- Role-based access logs
MVP Development for Startups
Rapid, cost-effective development to validate your product concept with real users in weeks instead of months.
Technical Deliverables:
- Core feature scoping
- Clickable prototype
- Production-ready MVP
- User analytics tracking
System Architecture & Technical Planning
Expert technical roadmap design, database schema planning, and cloud infrastructure setup (AWS, GCP, Azure).
Technical Deliverables:
- System architecture diagrams
- Database schema specs
- Security & scalability plan
- Technology stack selection
Nordic Wood Supply: Custom B2B Order & Inventory Extranet
"JKPRO took our messy spreadsheet ordering system and transformed it into a lightning-fast B2B portal. Our wholesale clients can place orders in seconds, view real-time lumber stock, and download automated PDF invoices. Our order error rate plummeted to near zero."
Johan Ahlström
Director of Operations, Nordic Wood Supply
0.2%
Order Error Rate (Down from 8%)
140+
Active Merchant Buyers
5 Weeks
Design Concept to Production Deployment