How a Kharkiv IT company provides solutions to the world’s largest mobile operators

For a quarter of a century, a Kharkiv-based company has been providing IT solutions to the world’s largest mobile operators. The contrast is striking: a local developer with engineering roots in Kharkiv — and millions of subscribers in dozens of countries who use its technologies every day.

Twenty-six years in the telecom industry is more than just the history of one company. It is an era of technological change: from the first SMS to 5G and IoT.

Why do international giants choose Ukrainian development? What is the secret of such stability and trust? Read about it in this article.

How it all began

Kharkiv, 1998. This is where a development center for German telecom giant Deutsche Telekom opens. At the time, no one could have guessed that this office would become the starting point for one of the most recognizable Ukrainian IT companies in the telecom sector.

The city has always had a strong technical base: radio engineering and polytechnic universities, math schools—after all, Kharkiv is a city of students. This created a unique human resource potential for forming a world-class team.

In 2002, a turning point occurred: the Kharkiv office became an independent company called Telesens. From then on, it not only fulfilled customer orders but also began to develop its own products and enter the global market.

Product line and innovations

The first major breakthrough was the Interconnect system, a solution for settlements between operators. It opened the door for Telesens to the international telecom market and enabled the company to compete with global vendors.

Subsequently, the portfolio expanded to include:

• billing platforms for accounting and tariffing;
• VAS (value-added services) solutions that allow operators to offer additional services;
• content and traffic systems;
• BSS/OSS platforms that automate business and network management.

Today, the company has more than 14 ready-made products in its arsenal, with at least three more in development.

The scale of integration is impressive: individual solutions have been implemented at the level of entire countries, covering millions of subscribers. In some cases, the system simultaneously processes hundreds of thousands of transactions every second.

Overcoming challenges: how Kharkiv businesses won the world’s trust

The path to the international market was overshadowed by serious challenges. To compete with telecom giants, it was necessary to offer something unique and more flexible, rather than something familiar.

Telesens focused on flexibility and a personalized approach. The company offers solutions that quickly adapt to customer needs and are more cost-effective than standardized products from global vendors.

Trust. The hardest part is getting your first international customer. To do this, you have to go through numerous audits, obtain international certifications, and build an impeccable reputation. The first successful cases became the best calling card.

War and resilience. Russia’s aggressive war against Ukraine has been a tremendous test for the entire Ukrainian IT sector. Telesens demonstrated incredible resilience. Thanks to a well-developed business continuity procedure, distributed teams, and quick adaptation to working in wartime conditions, the company not only fulfilled all its obligations to its clients but also continued to grow. We did not stop providing technical support to our customers and released two new products, which are already in the final stages of implementation at our customers’ sites.

This only strengthened the trust of our international partners, who saw the extraordinary reliability and professionalism of Ukrainian specialists.

Global clients and markets

Telesens remains a strategic partner of Kyivstar, Vodafone Ukraine, Lifecell, and Ukrtelecom. In particular, cooperation with Kyivstar has been ongoing for over 20 years—in fact, since the company’s inception.

In addition to the Ukrainian market, the company is actively working in Central Asia: Kazakhstan, Uzbekistan, and other countries in the region. Here, Kharkiv solutions have become the basis for billing and interoperator settlements.

European clients have also long appreciated the flexibility of Telesens.

Culture and team

Today, Telesens employs 200 specialists. These are professionals with a high level of mathematical and engineering training who combine the Kharkiv school of programming with the latest technologies — from microservice architecture to artificial intelligence.

European quality standards are an integral part of the company’s DNA. The company works according to Agile and DevOps methodologies, paying attention to information security and compliance with international standards.

In addition, Telesens operates according to established European standards of development and processes (certified according to ISO 9001, ISO 27001, and ISO 27701).

26 years of evolution in the telecom industry through the lens of Telesens

1998: SMS was just entering mass circulation. Telesens created tools for operators, who at that time still counted traffic in minutes and messages.

2008: Mobile internet changed the market. The Kharkiv-based company helped operators integrate new pricing models.

2020+: 5G, IoT, Big Data. Telesens implements real-time analytics, integrates billing with IoT platforms, and prepares for the era of mass connectivity of smart devices.

Today, the company is addressing challenges related to 5G monetization, traffic management, and the creation of new business models for telecom operators.

What’s next?

Telesens’ plans include expanding its product line, launching new modules for 5G and IoT, and developing cloud platforms. The company aims to strengthen its presence in European and Asian markets and enter new regions.

Ukrainian IT companies are increasingly proving that they can compete globally not only on price, but also on quality and innovation. Telesens is a prime example of this trend.

Conclusion

Twenty-six years in the telecom industry is a story of reliability, endurance, and constant innovation. Telesens shows that Ukrainian IT businesses can work with global players for decades while remaining flexible, technological, and competitive.

The three pillars of the company’s success are reliability, endurance, and innovation. These are what have allowed the Kharkiv team to go from a small development center to an international provider of IT solutions for the world’s largest mobile operators. Discover more about Telesens’ products and success story.