Payment Module Dev for Online Payment Service Provider
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Application Testing Custom Software Development E-Commerce Development
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WooCommerce
- Confidential
- June 2024 - Ongoing
- Quality
- 4.5
- Schedule
- 5.0
- Cost
- 5.0
- Willing to Refer
- 5.0
"The team was highly responsive, easy to reach, and proactive in discussing issues."
- Financial services
- Poznan, Poland
- 51-200 Employees
- Online Review
- Verified
mohi.to has designed and developed a payment module for an online payment service provider. The module is compatible with WooCommerce 9.x, 10.x, and 11.x. They also optimize communication with the P24 API.
mohi.to has introduced module version and feature usage tracking, providing clear visibility into adoption and usage patterns. The project is managed effectively. The team is highly responsive and proactive. They have a collaborative approach to problem-solving and optimization.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Platform Solutions Manager of PayPro S.A.
Describe what your company does in a single sentence.
Przelewy24 (P24) is one of the leading online payment service providers in Poland. It enables merchants to accept a wide range of payment methods, including bank transfers, BLIK, payment cards, digital wallets, and installment payments. The platform is widely used in e-commerce due to its strong local market coverage, secure transaction processing, and easy integration. Role of payment modules: Payment modules serve as the connection between an online store and the payment gateway. They simplify the integration process, automate transaction handling, improve the customer checkout experience, and help ensure secure and reliable payment processing across different e-commerce platforms.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire mohi.to to accomplish?
- Delivering the solution within a short, pre-defined timeframe that had been agreed and communicated well in advance.
- Identifying and assessing critical changes introduced in the new WooCommerce release that could impact our payment module and ensuring compatibility.
- Optimizing API calls to improve performance, reduce unnecessary requests, and enhance the overall efficiency and reliability of the integration.
- Ensuring secure payment processing through the Przelewy24 API, in line with platform and security requirements.
- Implementing support for various product types and purchasing scenarios within WooCommerce.
- Providing support in preparing marketing blocks and frontend components to enhance the customer experience and facilitate promotional activities.
SOLUTION
How did you find mohi.to?
- Online Search
- Referral
Why did you select mohi.to over others?
- High ratings
- Good value for cost
- Referred to me
- Company values aligned
How many teammates from mohi.to were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Scope of Work The project involved the design, development, and maintenance of a comprehensive Przelewy24 payment module for WooCommerce, ensuring compatibility with three major platform versions simultaneously (WooCommerce 9.x, 10.x, and 11.x). The scope included adapting the integration to platform changes, optimizing communication with the Przelewy24 API, and delivering a secure and scalable payment experience for merchants and customers. Key Deliverables Developed and maintained a single payment module compatible with WooCommerce 9.x, 10.x, and 11.x, reducing implementation complexity and ensuring a smooth upgrade path for merchants. Implemented support for a broad portfolio of Przelewy24 payment products and methods, including: Online bank transfers, Card payments, BLIK payments (including in-store checkout experiences), Google Pay, Apple Pay, Installment payments, Subscription and recurring payments. Ensured secure payment processing through the Przelewy24 API, including transaction registration, status synchronization, and compliance with platform integration requirements. Delivered recurring payment and subscription functionality, enabling automated renewal processes and subscription lifecycle management. Implemented payment link resending capabilities, allowing merchants to send payment links to customers directly from the WooCommerce administration panel. Enabled full and partial refund processing directly from the e-commerce platform, improving operational efficiency for merchants. Optimized API interactions to improve performance, reliability, and transaction processing efficiency. Identified and addressed critical compatibility changes introduced in new WooCommerce releases to maintain uninterrupted operation of the payment ecosystem. Supported multiple product and purchasing scenarios, ensuring flexibility for merchants with diverse business models. Assisted in the implementation of marketing-focused checkout and payment method presentation components to improve conversion and customer experience.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The project introduced module version and feature usage tracking, providing clear visibility into adoption and usage patterns. Internal analytics confirmed that a large and growing number of merchants actively use the WooCommerce integration, with adoption steadily increasing following subsequent releases and feature updates. These results demonstrate both the technical success of the solution and its growing business impact across the merchant ecosystem.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
The project was managed very effectively, with Joanna serving as a highly responsive and proactive project manager. She played a key role in planning activities, coordinating priorities, and ensuring regular follow-up on ongoing work. Key strengths of their project management included: Excellent responsiveness and communication, with questions and issues addressed promptly whenever clarification was needed. Structured planning and task tracking, helping us maintain visibility into project progress and priorities. Monthly time utilization reports, providing a transparent breakdown of effort spent across individual tasks and workstreams. A proactive approach to resolving ambiguities, with the team taking ownership of investigations and clarification activities on their side whenever requirements or technical details needed further validation. Strong resource planning, particularly for projects with tight and externally driven deadlines. The team proactively secured developer availability in advance to minimize delivery risks. Timely estimation of tasks, allowing for effective planning and prioritization. Clear and transparent communication whenever delivery timelines were expected to extend beyond initial assumptions, ensuring there were no surprises and that expectations remained aligned.
What was your primary form of communication with mohi.to?
Email or Messaging App
What did you find most impressive or unique about this company?
What impressed us most was their collaborative approach to problem-solving and optimization. Rather than simply executing requirements, the team actively worked with us to identify the most efficient solutions for both parties, helping reduce the amount of development effort required while maintaining the desired functionality and quality. Another standout aspect was their focus on practical efficiency and long-term maintainability, consistently proposing improvements that streamlined implementation and minimized unnecessary development work. In addition, their communication via Slack was exceptionally efficient. The team was highly responsive, easy to reach, and proactive in discussing issues, providing updates, and resolving blockers. This enabled quick decision-making and contributed significantly to the smooth execution of the project.
Are there any areas for improvement or something mohi.to could have done differently?
At this stage, we do not have any significant areas for improvement to highlight. The collaboration met our expectations in terms of delivery, communication, responsiveness, and overall project management.
RATINGS
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Quality
4.5Service & Deliverables
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Schedule
5.0On time / deadlines
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Cost
5.0Value / within estimates
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Willing to Refer
5.0NPS