MEF.DEV Uni LDA is provider and developer of software solutions aimed at supporting businesses in the field of communication services and IT services. Our product portfolio includes an innovative open digital BSS core, which is a convergent solution for managing business processes and delivering services within a unified system. We have dedicated R&D center in Western Europe, namely NATEC R&D, which provide our Customers with huge experience within a digital transformation projects and offer a flexible approach to software development that will help to streamline processes, optimize operational expenses, create faster, smarter, and more cost-effective IT solutions.
The primary offerings include WideCoup BSS solution and MEF.DEV platform, which is a framework that can be used to support incumbent and legacy BSS solutions through wide number of API access points. The solution is built on open architecture frameworks, which CSPs can link to their existing BSS systems. This can help CSPs develop and expand the capabilities of their incumbent solutions bypassing the solution provider, which will help accelerate transformation and lower support costs. More details https://www.tmforum.org/oda/directory/software-providers/directory/mefd…
The open processes, swift time-to-market and agility as the primary differentiators of MEF.DEV solutions. Enterprise Integration platform can reduce concept-to-cash timeframe from months to few weeks, which can lower costs and improve the competitiveness of your business offers. MEF.DEV is a digital transformation partner especially for telcos with large numbers of legacy systems. The WideCoup BSS solution is specifically designed to support telecom processes across multiple lines of business.
MEF.DEV offers good value for cost, with a notable project costing $500,000 for a telecommunications billing ecosystem. Clients appreciate their flexibility, quick response, and ability to adapt to changing requirements, indicating strong overall pricing relative to delivered value.
MEF.DEV's project management skills received praise for quick responses, good management, and timely deliveries, although initial communication issues were noted in one case.
Flexible and Adaptive Approach
Clients appreciated MEF.DEV's flexibility in modifying requirements and adapting to new challenges, ensuring efficient project execution even when the project scope evolved.
Successful Migration and Testing
Clients reported successful subscriber migration without revenue loss, thanks to MEF.DEV's fast-paced development and thorough usability and acceptance testing.
Strong Customer Focus
MEF.DEV is seen as invested in developing tailored solutions for clients, emphasizing the importance of understanding client goals to provide efficient and effective solutions.
Proficient in Billing System Development
MEF.DEV has demonstrated expertise in developing billing and online charging systems for telecommunications, successfully migrating customers from legacy systems and improving billing ecosystems.
“Their ability to adapt to new requirements stands out.”
Aug 26, 2021
CIO, Large International Telecommunications Company
Andrey Zhukovskiy
Verified
Telecommunications
Kyiv, Ukraine
1,001-5,000 Employees
Phone Interview
Verified
NATEC R&D helped a telecommunications company build a new billing ecosystem. The system of tools manages subscriber charging, bills, and online payments.
NATEC R&D’s work met all client expectations. The team was very fast-paced with development and all testing phases. Although the project underwent several changes in scope, NATEC R&D accommodated each shift with tact and professionalism. NATEC R&D is an organized vendor that delivers.
A Clutch analyst personally interviewed this
client over the phone. Below is an edited
transcript.
BACKGROUND
Introduce your business and what you do there.
I’m the CIO of a telecommunications company.
OPPORTUNITY / CHALLENGE
What challenge were you trying to address with NATEC R&D?
We needed help creating a new billing ecosystem.
SOLUTION
What was the scope of their involvement?
NATEC R&D helped us create a new billing ecosystem. It facilitates charging for different services and billing to our subscribers. They also added online charging capabilities and integrated their system with our third-party solutions.
What is the team composition?
We work with 15 people from their team. The customer-facing team was three people.
How much have you invested with them?
We’ve spent $500,000.
What is the status of this engagement?
We started working together in March 2019, and we wrapped up in May 2021.
RESULTS & FEEDBACK
What evidence can you share that demonstrates the impact of the engagement?
We’ve successfully launched the migration for our subscribers. They were very quick with the development, usability testing, and acceptance testing phases. We didn’t lose any revenue or subscribers during this migration.
They’re reactive, flexible, and ready to accept a lot of changes in the project. The team was also forward-thinking in their willingness to solve future issues. Overall, it was a great experience. Our turnaround time went from months to weeks.
How did NATEC R&D perform from a project management standpoint?
Everything was quite well organized. In the beginning, we had some issues building efficient communication. We used Jira for tickets and a solution architecture tool.
What did you find most impressive about them?
Their ability to adapt to new requirements stands out. They have a flexible system that allows them to make changes in an efficient way. This project felt like trying to shoot a moving target in a lot of ways. NATEC R&D was able to accommodate all of the changes well.
Are there any areas they could improve?
The biggest issue for them is scalability. On the one hand, they have a scalable product. On the other, they have limited experience with heavily loaded systems.
They were able to change the technologies that weren’t meeting our capacity requirements. The team was able to resolve all of these capacity issues without any impact on the timeline or budget.
Do you have any advice for potential customers?
The best advice is to openly discuss challenges. They’re really invested in developing the best solution for you. The more they know about your goals, the more efficient the solution they’ll be able to provide.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
4.5
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Postpaid Billing System Dev for Telecommunications Company
Custom Software Development
Other app platform
+5
Confidential
Mar. 2024 - Feb. 2025
4.5
Quality
4.5
Schedule
4.5
Cost
4.5
Willing to Refer
4.5
"They provided good management."
Apr 9, 2025
Head of Converged Solutions, JSC Kyivstar
Pavlo Kharikov
Verified
Telecommunications
Kyiv, Ukraine
1,001-5,000 Employees
Online Review
Verified
MEF.DEV provided development services for a telecommunications company. The team was responsible for building a postpaid billing system and an online charging system for M2M SIM cards.
Thanks to MEF.DEV's efforts, the client migrated their customers from the legacy system. The team managed the project well, responded quickly to the client's queries, and modified the requirements flexibly during the engagement. MEF.DEV's openness to new challenges was the hallmark of their work.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Head of converged solutions of JSC Kyivstar
Describe what your company does in a single sentence.
Kyivstar is the biggest mobile and fix connectivity provider in Ukraine with the bunch of other non-telco services such as Big Data, Cloud solutions, RTK positioning
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire MEF.DEV to accomplish?
develop postpaid billing system for M2M SIM cards
develop online charging system for M2M SIM cards
SOLUTION
How did you find MEF.DEV?
Referral
Why did you select MEF.DEV over others?
Good value for cost
How many teammates from MEF.DEV were assigned to this project?
6-10 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
real-time charging
postpaid billing
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
full customers migration from legacy system
Describe their project management. Did they deliver items on time? How did they respond to your needs?
They provided good management, quick responses, flexible approach to modify the requirements
What was your primary form of communication with MEF.DEV?
Virtual Meeting
What did you find most impressive or unique about this company?
open to new challenges
Are there any areas for improvement or something MEF.DEV could have done differently?
no
RATINGS
4.5
Quality
4.5
Service & Deliverables
Schedule
4.5
On time / deadlines
Cost
4.5
Value / within estimates
Willing to Refer
4.5
NPS
Telecom Expense Management Software Dev for Bank
Custom Software Development
Less than $10,000
Jan. 2017 - Jan. 2020
5.0
Quality
4.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"We didn't provide the vendor with all the requirements, but they managed to do the project well."
Sep 8, 2022
Head of Telecom Division, Raiffeisen Bank
Illia Kyselov
Financial services
Kyiv, Ukraine
5,001-10,000 Employees
Online Review
NATEC developed telecom expense management software for a bank. They set up the CISCO VoIP network and configured the software to support Kyivstar, Vodafone, Life, and Ukrtelecom regional entities.
NATEC successfully built the software, providing the client with convergent bank storage for the usage analysis of all types of telecom services. As a result, the client was able to cut expenses on non-business-oriented services. Moreover, the vendor showcased customer-centric project management.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I managed the whole Telecom division operating the bank convergent voice network for 28 branches in Ukraine.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire NATEC, and what were your goals?
The primary purpose for the NATEC team was to implement a solution for handling source data from geographically distributed voice network of bank, including bills information from a variety of communication service providers in different cities, as mobile as fixed services
SOLUTION
How did you select this vendor and what were the deciding factors?
We handled vendor selection according to the bank procurement procedure based on the minimal total cost ownership (TCO) criteria.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
The project was divided into three main steps - the initial setup covering the CISCO VoIP network, the second step was expanding the project to support three mobile provider sources (Kyivstar, Vodafone, and Life), and the final step including fixed providers, namely Ukrtelecom regional entities.
How many people from the vendor's team worked with you, and what were their positions?
The NATEC was dedicated to us four engineers with different experiences, namely the mediation, database storage, and web application
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
The primary goal was fully covered from the project's first step, and we got the central convergent bank storage for analysis of the usage of all types of telecom services. The additional outcome was the possibility of Telecom expanse management within the bank org-structure to cutting expenses on some non-business oriented services
Describe their project management style, including communication tools and timeliness.
The project management of NATEC was customer-centric and the best practices implementor
What did you find most impressive or unique about this company?
Essential to emphasize the Agile approach in the solution rollout – we didn't provide the vendor with all the requirements, but they managed to do the project well.
Are there any areas for improvement or something they could have done differently?
One improvement point is the project technical documentation coverage, oriented to bank standards, but it can be chalked up to the shortest project delivery time.
RATINGS
5.0
Quality
4.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
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