Point of Sale Software (POS)

POS software for retail helps businesses accept payments, and provides a flexible, fast, and convenient payment experience. This tool contributes to more efficient inventory management, sales performance, and customer data collection.

 

About POS Software for Retail Stores

The checkout is a critical part of any customer interaction with a retail business, and so providing an instant, convenient, and flexible checkout experience is a critical aspect of customer service. Whether you receive payments in cash, via cards, or other contactless means, this system services all of them. It deposits the costs to the company’s business account. 

POS software makes use of a variety of hardware, such as a computer or tablet, barcode scanner, cash register, receipt printer, or credit card terminal. E-commerce POS software also gathers information from sales transactions and uses it to optimize inventory levels, make sales predictions, and analyze how each sales channel is performing. 

When a customer is ready to make a purchase, the salesperson scans the product’s barcode, or manually enters the item details into the system. The system retrieves the corresponding information, such as the price, description, etc., and once the items are added to the sales transaction, the retail POS software calculates the total cost, including taxes. It then allows using various payment methods. Besides, it communicates with the payment terminal to securely process the transaction.

After successful payment processing, the POS system software for retail store generates an itemized receipt. This includes details on the purchased items. They are prices, applicable taxes, and payment methods. The receipt can be printed or sent online, via email or message.

Many POS system software for retail store integrate with other e-commerce tools. They can be accounting software, CRM systems, etc. This streamlines operations, improves efficiency, and enables businesses to provide better omnichannel customer experience.

Features

POS software for retail store



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Work Process

Custom POS software development with SECL Group consists of several stages, each requiring a dedicated team of engineers and other specialists. As a rule, teams pay a great deal of attention to integrations with other e-commerce platforms.

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Project planning

We estimate tasks, map out our actions, and set priorities.

Team:

  • Project Manager

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Business analysis

We access the client’s current systems, look for ways to improve it, and develop task specifications.

Team:

  • Project Manager
  • Business Analyst

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UI/UX design

We design interfaces for different groups of users.

Team:

  • Project Manager
  • Business Analyst
  • UI/UX Designer

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Back-end development

We create the server side.

Team:

  • Project Manager
  • Business Analyst
  • UI/UX Designer
  • Back-end Engineers
  • Manual QA Engineers

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Front-end development

We create the user side.

Team:

  • Project Manager
  • Business Analyst
  • UI/UX Designer
  • Front-end Engineers
  • Manual QA Engineers

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Integrations

We analyze the systems to be integrated and implement two-side integrations. 

Team:

  • Project Manager
  • Business Analyst
  • UI/UX Designer
  • Front-end Engineers
  • DevOps Engineers

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Testing

We perform manual, automated, unit, and integration testing.

Team:

  • Project Manager
  • Manual QA Engineer
  • QA Automation Engineer
  • Back-end Engineers

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Implementation and training

We develop training materials and add the POS retail software to the client’s infrastructure.

Team:

  • Project Manager
  • Technical Writer
  • DevOps Engineers
  • Support Engineers

Our Clients

We develop large projects for clients across 27 countries, a significant number of which are featured on the Fortune 500 list.

Microsoft
Microsoft
Hyundai
Hyundai
Mazda
Mazda
Pepsi
Pepsi
Kia
Kia
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Preston Baker
Preston Baker
Thomas Cook
Thomas Cook
Recipe Plus
Recipe Plus
Danone
Danone
Pivdenny bank
Pivdenny bank
Gravitec
Gravitec

Our company specializes in projects for
Retail & E-commerce

Why Do You Need It?

Some retailers have gaps in their sales, especially when they deal with different payment methods and a high volume of orders. This often leads to staff overload with manual work and inventory management issues. Building POS software for retail shop with SECL Group will be useful when:

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Payment options

You offer multiple payment methods

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Omnichannel retail

Your retail store operates both offline and online

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Vast order amounts

Your store handles a large number of orders

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Inventory control

Your inventory management isn’t robust

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Inconsistent reports

You lack detailed and real-time reporting

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Wide customer base

You have an extensive customer database

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Process automation

Your staff performs too many actions manually

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Customer relations

You want to improve customer service

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Sales analysis

You lack sales analytics

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Expiration notifications

You are not informed once the items are expired

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Receipt sending

You can’t send receipts via email

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Unaccounted sales

Part of your sales are not accounted

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Discounting issues

Discounts are sometimes not counted

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Limited returns

Your system doesn’t allow returning goods

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Tax issues

Taxes are not calculated or calculated the wrong way

Need POS software for your business?

SECL Group provides POS software development services for retail, contact our experts to get started.

Our Standards

In our work, we follow international approaches and standards such as:

Management:PMP
Design:ISO 9241-210
Programming:Coding conventions, MDN Web Docs, Naming convention
Python:PEP 8
JS/TS:ECMA, JavaScript Standard Style, Google TypeScript Style Guide, ESLint
PHP:PSR
С#:ReSharper
HTML/CSS:W3C
Security:GDPR
Testing:ISTQB

Technologies

We specialize in specific technologies, with the technology stack chosen based on the project’s purpose and requirements

Programming languages:

Python
Python
Javascript
JavaScript
Java
Java
PHP
PHP
C#
C#

Web / Frameworks:

Django
Django
Fastapi
FastAPI
Spring
Spring
Hibernate
Hibernate
.Net
.NET
Node.js
Node.js
Express
Express
NestJS
NestJS
Laravel
Laravel
Yii
Yii
Symfony
Symfony
React
React
Vue.js
Vue.js
Angular
Angular
Ext JS
Ext JS

Databases / Data storage:

MySQL
MySQL
PostgeSQL
PostgeSQL
MongoDB
MongoDB
Redis
Redis
A. Casandra
A. Casandra
Elasticsearch
Elasticsearch
Amazon RDS
Amazon RDS
Amazon S3
Amazon S3

DevOps containers:

Docker
Docker
Kubernetes
Kubernetes
AWS ECS/EKS
AWS ECS/EKS

DevOps automation:

Ansible
Ansible
Chef
Chef

DevOps CI/CD:

GitLab CI/CD
GitLab CI/CD
Jenkins
Jenkins
AWS
AWS

DevOps monitoring:

Zabbix
Zabbix
Grafana
Grafana

Testing:

Selenium
Selenium
Postman
Postman
Swagger
Swagger
Apache JMeter
Apache JMeter
Cypress
Playwright
Playwright

Clouds:

AWS
AWS
Azure
Azure
Google Cloud
Google Cloud

Results

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You can easily keep track of your inventory

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Efficient transaction completing

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Providing a better shopping experience across different channels

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Reduced waiting time

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Easier staff management and schedule optimization

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Online and store reporting united in one place

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You keep track of orders from suppliers

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Automated tax calculation and price management

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Robust sales analytics

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Notifications on item expiration

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Receipt sending via email

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Automated discount management

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Accounting all sales

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Streamlined return process

FAQ

Here are our answers to some frequent questions about POS software development. If you have another question on this topic, contact us and we’ll be happy to discuss it with you.

How can you leverage AI and ML in OMS development?

Artificial intelligence and machine learning can be integrated into an OMS for various tasks. Common use cases for such solutions involve demand forecasting, inventory optimization, and automated order routing.

What are the benefits of integrating an OMS with an e-commerce platform?

Integrating an OMS with an e-commerce platform can streamline order processing, reduce manual data entry, and improve order fulfillment accuracy. It also facilitates real-time inventory synchronization. At SECL Group, we have plenty of experience integrating OMS with existing systems.

When does it make sense to upgrade an existing order management system?

Software modernization makes sense when the existing OMS struggles with order volume or lacks integration capabilities. Vendors generally upgrade OMS platforms step by step, improving performance while minimizing operational interruptions.

What kind of OMS architecture do companies typically recommend?

SECL Group team often recommends modular architectures for OMS development that can adapt as the business grows. This makes it easier to integrate with new ERP systems or logistics providers without having to update the entire OMS later.

How can we ensure OMS fits existing retail workflows?

Experienced development teams, such as SECL Group, usually work around existing workflows instead of forcing new ones. By aligning the OMS with current retail processes and integrating it seamlessly with current infrastructure, they help teams adopt the system without major changes.

What does the discovery phase look like when building a POS system for retail?

At this stage, the attention is paid on how sales actually happen in-store. Retail software development teams look at checkout flows, returns, discounts, and how the POS system connects to inventory, so the solution reflects real daily operations.

What does data migration look like when switching to a new OMS?

Order data and customer records are the key things that need to be migrated carefully to avoid disruptions. Vendors clean and map this data before migration, then validate it post-transfer. Teams often run parallel systems for a short time during OMS data migration to ensure accuracy before fully switching.

What is the hardest part of redesigning an existing OMS?

One of the main challenges in OMS modernization is improving the system without disrupting how teams work. Vendors keep familiar retail workflows in place while gradually introducing improvements. This strategy helps maintain productivity during the transition.

How do vendors make sure OMS systems scale during peak sales periods?

Qualified development teams like SECL Group design OMS platforms for retail with scalability in mind from the start. They test how the system handles increased order volumes and ensure integrations with other platforms remain stable even under the pressure of peak loads.

How to find a provider that is a good fit for complex OMS transformation projects?

SECL Group is chosen for large-scale OMS transformations because of their experience with complex system landscapes and retail. We align OMS with ERP and logistics solutions, which is important for businesses with high order volumes and multiple sales channels.

About Us

Employees

70+

Employees

Clients

Clients

from Fortune 500

Locations

5

Locations

Countries we serve

27

Countries we serve

Senior experts

82%

Senior experts

Completed projects

200+

Completed projects

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