Eastgate began with one engineering partnership between Aachen and Hanoi. Today, more than 200 engineers across Hanoi, Aachen and Tokyo help companies build and scale software that must perform in the real world.
Eastgate Software is a strategic engineering partner headquartered in Hanoi, with offices in Aachen and Tokyo.
Since 2014, our engineers have worked on mission-critical systems, digital products, enterprise platforms and AI automation. Our clients operate across intelligent transportation, FinTech, retail and manufacturing.
Some relationships have lasted almost as long as the company itself. We have worked with Siemens Mobility and Yunex Traffic for more than 12 years, and 93% of our clients continue working with us across engagements.
Today, Eastgate brings together more than 200 engineers, over 500 delivered projects and ISO 27001 and ISO 9001-certified ways of working.
Trusted by engineering leaders since 2014
Our vision
Our vision is to make German-quality engineering accessible through one international team.
German principles of precision, discipline and accountability meet Vietnam’s deep technical talent and delivery strength. Together, they help clients modernise, scale and move forward without losing control of quality.
Our mission
Ambitious plans need more than extra developers. They need an engineering partner that understands the goal, raises risks early and takes responsibility for what reaches production.
Our mission is to turn those plans into reliable systems through disciplined engineering, efficient delivery and partnerships built to last.
Three principles guide how we design systems, make decisions and work with clients.
We do what the system needs, even when it leads to a harder conversation.
We take responsibility for the result, not only the tasks assigned to us.
The strongest software partnerships continue long after the first release.
Eastgate’s story begins in Aachen. Former Siemens engineers
Dr. Paul Mathias and
Christian Dowideit had built MAT Traffic to support the intelligent transportation industry.
As their work with Siemens grew, they needed more engineering capacity without losing the quality and discipline their projects demanded. They turned to
Tuan Nguyen, a senior developer and solution architect already working with MAT Traffic.
Tuan then reconnected with
Ha Bui, an old secondary school friend who was building FinTech platforms in the United States. The four shared the same idea: create an engineering organisation in Vietnam that would work as part of the German team, not simply supply developers from a distance.
In 2014, they founded Eastgate Software in Hanoi. Siemens Mobility became the first client.
That first partnership created the foundation for everything that followed. As clients saw the quality of the work, they asked Eastgate to take on more. The company expanded from intelligent transportation into FinTech, enterprise platforms, manufacturing and AI.
Today, more than 200 engineers work across Hanoi, Aachen and Tokyo. The company has grown across three continents, while the Siemens relationship that started the journey is still going strong.
Founded. First Siemens engagement.
50+ engineers. ISO 9001 certified.
ISO 27001 certified. Germany office.
100+ engineers. Entered FinTech.
Tokyo office. Entered Japan market.
200+ engineers. AI-native delivery.
Scaling to 300+. Expanding AI & FinTech.
Most workdays begin at VCCI Tower in Hanoi. They might include a design review with colleagues in Aachen, a whiteboard session for a German client or a late-afternoon handover to Tokyo.
Outside the project work, there are company events, technical meetups and the occasional trip to the beach. Different offices and time zones are part of daily life, but the team works as one engineering organisation.
Eastgate’s leadership combines Vietnamese engineering and operational strength with decades of European experience in intelligent transportation and mission-critical systems.
The company is still led by people who helped build it. They remain close to the architecture, delivery decisions and client relationships behind each engagement.
Co-founder and Board Member
With more than 20 years in the ITS industry, Christian guides technical architecture and solution design for mission-critical infrastructure projects.
Chief Financial Officer
Toan leads financial strategy, compliance and the commercial frameworks behind Eastgate’s long-term partnerships.
And many other hardworking, talented team members.
From Aachen to Hanoi to Tokyo, Eastgate operates as one engineering organisation with shared standards, clear ownership and a long-term commitment to every system it builds.
--:-- in Aachen
Friedrich-Wilhelm-Platz 9-10, Aachen 52062
Client-facing consulting, solution architecture
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--:-- in Hanoi
11F, VCCI Tower, No.9 Dao Duy Anh St, Kim Lien Ward, Hanoi
200+ engineers, primary delivery center
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--:-- in Tokyo
GranTokyo South Tower 11F, Marunouchi 1-9-2, Chiyoda City, Tokyo 100-6611
BrSE-led partnerships, Japanese SI partners
Get directionsStart with a 30-min discovery call to discuss your engineering challenges. Our engineers will respond within 1 business day with a concrete next step.
