Web Application Development
Portals · Panels · SaaS
We build custom web applications that turn your workflows into screens, roles and data. They talk to the systems you already use and grow with you securely.
Next to Future builds custom web applications that let you run part of your business in the browser: customer and dealer portals, admin panels, booking systems, internal tools and SaaS products. We define the workflow and data model before the screens, then build the application with its roles, permissions and integrations. The result is a secure tool, ready to grow, that your team and customers use every day.
Who is it for?
Any business that moves the same information by hand between email, spreadsheets and messaging apps can benefit from a web application. We work especially with:
- Companies that want customers to track orders, applications or requests on their own
- Brands that need dealers, branches or field teams in one system
- Teams whose processes are too specific for off-the-shelf packages
- Startups turning an idea into a subscription-based SaaS product
If your goal is mainly to present your company and collect leads, a corporate website may be what you need. If the same system has to work on a phone in the field, the application's API can power a mobile app as well.
What do we build?
- Customer and dealer portals: orders, documents, statements and request tracking
- Admin panels: content, users, reports and approval flows
- Booking and appointment systems: calendars, capacity, payments and notifications
- Internal tools: screens that replace spreadsheets and manual steps
- SaaS products: multi-tenant architecture, meaning one application serving many customer accounts with separate data, plus subscription and billing flows
Not every need calls for software built from scratch. Many internal processes can go live faster on Next Platform, which brings workflows together in one panel; in discovery we put both paths on the table.
How do we handle security and integrations?
We build the role and permission model on the principle of least privilege: each user sees only the screens and data their job requires. Authentication, rate limits on sign-in attempts, audit logs and regular backups are in place from day one.
We connect ERP, CRM, accounting and payment systems through APIs with two-way data exchange, and run heavy jobs in background queues. Docker and automated deployment mean every release goes out through the same safe steps, and after launch we keep growing the application with you through monitoring, maintenance and new features.
01 Scope
Custom software, end to end
01
Portals, panels, internal tools
Separate screens for customers, dealers and your team, with orders, requests, documents and reports in one system.
02
Booking systems and SaaS
Booking systems with calendars, capacity and payments; multi-tenant SaaS products with subscriptions.
03
System integrations
Two-way data exchange and automation with ERP, CRM, accounting and payment systems through APIs.
04
Roles, permissions, security
A least-privilege role model, authentication, audit logs, rate limiting and regular backups.
02 Process
From workflow to live system
01
Discovery
We map users, roles and workflows with you. You come away with the scope, the data model and a priority order.
02
Prototype
We test the critical screens in a clickable prototype, so you see the flow works before development starts.
03
Build
We work in short cycles and share a working version in a test environment at the end of each one.
04
Launch and DevOps
We go live with automated deployment, monitoring and backups, then continue with maintenance and new features.
03 Technology
Infrastructure ready to grow
We build applications on .NET and React and spread the load with Redis caching and RabbitMQ queues. Docker and Kubernetes give you a release setup that is ready for growth.
01
Server and API
A layered architecture on ASP.NET Core 8 with CQRS and MediatR; SQL Server or MySQL through EF Core and Dapper.
02
Role-based interface
Fast screens that adapt to each role and work on any device, built with React, TypeScript and Next.js where it fits.
03
Scale and DevOps
Redis caching, RabbitMQ queues and automated deployment with Docker, Kubernetes, NGINX and GitHub.
- 01ASP.NET Core 8
- 02C#
- 03React
- 04TypeScript
- 05Next.js
- 06Node.js
- 07SQL Server
- 08MySQL
- 09Redis
- 10RabbitMQ
- 11Docker
- 12Kubernetes
- 13NGINX
- 14Azure
- 15GitHub
- 16n8n
04 Proof
Systems in production
Examples from our own products and our collaborations.
05 FAQ
Frequently Asked Questions
The questions buyers ask most often when deciding on a web application project.
01Why build a custom web application instead of buying off-the-shelf software?
You do not always need to. If your process follows a common industry pattern, a ready-made package can be faster and more economical to adopt. Custom development makes sense when your workflow gives you a competitive edge, when several systems have to work together, or when licensing and customization limits hold you back. In discovery we put both paths on the table and recommend a packaged tool when it fits.
02What drives the cost of a web application?
The main drivers are the number of user roles and screens, the complexity of the business rules, the systems to integrate, security and compliance requirements, expected user load and the scope of maintenance after launch. Limiting the first version to the most critical flows lowers both cost and risk. After a short discovery call we share an estimate scoped to your needs.
03How long does it take to launch the first version?
It depends on scope, which is why we recommend limiting the first version to your most critical workflow. On most projects a focused first release can go live within a few months; broad integrations and many user roles extend the timeline. Because we work in short cycles, you see progress in a test environment at the end of each one.
04Can the application work with our existing ERP, CRM and accounting systems?
Yes, as long as those systems offer an API or another secure way to exchange data. In discovery we decide which data moves in which direction and how often. Heavy or scheduled transfers run in background queues, with retries and logging when something fails. For payments, we rely on the payment provider's infrastructure instead of storing card data on our own servers.
05How do you keep our data secure?
We treat security as part of the architecture, not a layer added at the end. We set roles and permissions on the principle of least privilege, encrypt traffic with HTTPS, rate-limit sign-in attempts and log critical actions. We keep dependencies up to date and take regular backups. If the application processes personal data, we reflect KVKK, Türkiye's data protection law, in the data model from the start.
06Will the application slow down as our user base grows?
If growth is planned into the architecture from the start, the application can scale without slowing down. We cache frequently read data with Redis, move heavy jobs to RabbitMQ queues and run the application in Docker containers. When load rises, Kubernetes makes it possible to add more instances. After launch we monitor performance and find bottlenecks from real data rather than guesswork.
Touch the Future
Let's map your workflow together
Tell us about the process you run by hand today and the result you want; we will define the scope, priorities and first release together.