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CUSTOM SOFTWARE DEVELOPMENT

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Every business has different processes, data flows and objectives. Off-the-shelf software covers the “general need”; yet at critical points it is either too much or falls short: teams struggle with manual work, reporting becomes blind, integrations turn fragile and growth slows down. Without losing time or taking on extra cost burdens, your needs must be analysed correctly from the very beginning.

At PROJX Digital we approach custom software not as merely writing code, but as building a scalable digital infrastructure aligned with the way your business operates. With our R&D team in Şişli we manage analysis, architecture, development, testing and go-live processes with engineering discipline; when needed we accelerate production with AI-assisted development tools and systematise quality control.

In essence, what we deliver is your “digital department” running like clockwork.

WHY
CUSTOM SOFTWARE INSTEAD OF
AN OFF-THE-SHELF PROGRAM?

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MISMATCHED PROCESSES

Off-the-shelf software does not fit your processes; the team is forced to work “according to the software”

HIGH COST

As the license, per-user cost, and add-on/customization fees grow, the cost increases.

SCATTERED DATA

Data is scattered for reporting/business intelligence; management from a single screen is not possible.

DISCONNECTED SYSTEMS

CRM/ERP/e-commerce/finance systems are disconnected; integrations remain dependent on individuals.

HOW THE EFFECTS UNFOLD

MORE ERRORS

Manual workload and rising error rates

SLOWDOWN

Slower operations and delayed decisions

DEBT

Technical debt and unsustainable integrations

LIMIT

Growth “hitting its limits”

This is where the value of custom software becomes clear: you build a structure that fits your processes, carries data correctly and can expand over time.

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OUR APPROACH:

engineering discipline + quality standard

In custom software projects, sound architecture and quality control are as critical as speed. That is why we attach great importance to the briefing process. The accurate information you share becomes the cornerstone of the architecture.

For this reason we:

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CLEAR SCOPE

Clarify requirements (discovery) and make the scope measurable

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ROBUST ARCHITECTURE

Build the architecture around performance, security and scalability targets

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SYSTEMATIC QUALITY

We systematize quality through practices such as automated testing, code review, and CI/CD.

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SMART AUTOMATION

Use AI-assisted tools not as a “shortcut” but as an aide that accelerates repetitive tasks

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CONTINUOUS IMPROVEMENT

Plan the post-launch maintenance, monitoring and improvement cycle

SERVICE SCOPE
END-TO-END CUSTOM SOFTWARE DEVELOPMENT

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Web-Based Custom Solutions
(SaaS, B2B, B2C)
  • Custom CRM / ERP / HR and operations panels
  • B2B dealer portal, order & collection flows, document management
  • E-commerce infrastructures and, where needed, a headless architecture approach
  • Admin panel, role-based authorisation and reporting screens
Mobile Application Development
(iOS & Android)
  • Native or cross-platform mobile applications (according to project need)
  • Offline-first field-operation applications
  • Flows integrated with device capabilities such as push, location and camera
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Integration &
API Engineering

The goal is not merely designing slides but building the narrative

  • Integration with ERP/accounting, payment, shipping, CRM, and other systems.
  • Custom API development and an integration layer (middleware)
  • Data synchronisation, event-based flows, logging and observability
Data & Reporting
  • KPI and operational reporting on a single screen
  • Data modelling, dashboards and, when required, an advanced analytics infrastructure

Note: We choose technology not by “trend” but by team structure, maintenance cost, scale and security needs.

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DELIVERABLES
WHAT YOU RECEIVE AT THE END OF THE PROJECT

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Working Software

Working software (staging + production) and release notes

Technical Documentation

System architecture and technical documentation (per scope)

API & Integration

API documentation and integration map

Test Processes

Test plan / test outputs, including automation depending on the scope.

DevOps Infrastructure

DevOps deliverables (CI/CD, logging, monitoring, backup approach)

Maintenance & Support

Maintenance & support plan (SLA/monitoring scope is clarified according to the project)

OUR SOFTWARE DEVELOPMENT PROCESS:
FROM ANALYSIS TO GO-LIVE

1
DISCOVERY (Analysis & goals)
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Workflows, bottlenecks, data sources and success metrics.
2
ARCHITECTURE & PLANNING
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Data model, service architecture, security approach and sprint plan.
3
DEVELOPMENT (Agile/Scrum)
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Sprint-based deliveries, regular demos and feedback loops.
4
QA & SECURITY
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Functional, regression and performance tests; security scans where required.
5
GO-LIVE & STABILISATION
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Release plan, monitoring/alerting, error management, and improvement backlog.
6
MAINTENANCE & EVOLUTION
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Version updates, performance improvements and rollout of new requirements.

With software built specifically for your business
speed up your operations and strengthen your sales processes.

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GET IN TOUCH WITH US

FREQUENTLY ASKED QUESTIONS

Ownership and usage rights are clarified through the project contract. In most projects the source code, documentation and delivery scope are explicitly defined and we manage the process accordingly. Contrary to common belief, the code in software built for you may not belong to you. Legal boundaries and contractual terms are the decisive factors here.

Initial costs may appear higher than packaged solutions. However, when license fees, integration/customization costs, process losses, and growth limitations are considered, the total cost of ownership (TCO) becomes advantageous in most scenarios. That is why we calculate the TCO together during the decision stage.

Yes. We carry out integration projects with systems such as ERP/accounting, banking/payment, shipping, and CRM. The integration approach is shaped according to the API/access method of the relevant systems. We ensure that these areas are properly connected to one another and remain continuously up to date.

Yes. We can deliver post-launch maintenance, monitoring and security hardening together with our DevOps & Managed Infrastructure services.

Custom software is an infrastructure that accelerates your operations, unifies your data and enables growth. At PROJX Digital the goal is not “to develop something” but to build a working and sustainable system. We do not deliver soulless technical work; we create vibrant brands that build a genuine bond with their consumers. Your digital world is a strategic investment for the existence and continuity of your brand.

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Custom Software Development | Web, Mobile, Integration

Custom software development: web applications, SaaS, mobile apps, CRM/ERP, integrations and API engineering. From analysis to go-live; delivery focused on security, testing and maintenance.

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Corporate Website Design

Your corporate website is not just an 'elegant showcase'; it is the most critical digital touchpoint where brand perception, trust and sales take shape, but when it is not fast, clear and SEO-friendly, the traffic it draws disappears without creating value. With Corporate Web Design, which combines design, software, content and technical SEO, you can transform your site from merely visible into a digital hub that produces conversions.

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E-Commerce Software / Packages

Launching an e-commerce site is not just about opening the store door; it is about building a system where stock, order, shipping and accounting flows run flawlessly and produce conversion. Otherwise, even if traffic grows, the operational load increases and profitability drops. With the integrated structure of E-Commerce Software/Packages, you can unify all your business processes including ERP into a single flow, creating a more controlled, scalable and sustainable commerce infrastructure.

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B2B - B2C - C2C Software

E-commerce is not a single model; B2B, B2C and C2C each require different sales flows, operational models and user behaviors, and choosing the wrong model grows operations without scaling profitability. With the flexible architecture of B2B, B2C and C2C Software Ecosystems, you can build automations, integrated processes and scalable infrastructures tailored to your business model, making growth sustainable.

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Custom CRM Software

CRM isn't just a tool for storing customer records; it's an operating system that lets sales, operations and finance speak the same language — yet as businesses grow, off-the-shelf solutions create rigidity, integration limits and hidden operational overhead. With the architecture offered by Custom CRM Software Development, you can build systems tailored to your sales funnel, approval flows and data model, making your processes more integrated, scalable and controllable.

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Web-Based Application Development

The office is no longer tied to a single location; while teams work in the field, remotely and across different devices, desktop software quickly falls short in installation, update and access processes. With Web-Based Application Development's browser-based, multi-device, instantly-updated structure, you can make your business processes more flexible, scalable and sustainable.

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API and Integration Engineering

In many businesses, CRM, ERP, e-commerce and payment systems operate in isolation; this breaks data into 'digital islands', leading to duplicate data entry and unreliable reports. With the architectural foundation provided by API and Integration Engineering, you can make all your systems talk to each other and build a more efficient, automated workflow that channels data to the right place at the right time.

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Mobile App Development

A mobile app should create real value for your business. A well-designed app drives user acquisition, sales growth and operational efficiency. At PROJX Digital, we use Native, Cross-Platform and PWA solutions to do more than just publish your app — we turn it into a measurable, sustainable growth tool. Keeping the app on the user's device is as central to our strategy as getting it downloaded in the first place.

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Custom ERP Software Development

Standard software can fall short for growing businesses. At PROJX Digital, we build custom ERP solutions for your company, simplifying your processes and helping your teams work efficiently. With role-based structure, sustainable integrations and a needs-driven architecture, we eliminate complexity and deliver a digital system fully aligned with your workflows. When needed, we strengthen decision-making with AI-powered analytics and forecasting modules to support your business growth.

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