Systems engineering services

To deliver systems integration that contributes to better lives and society, HL Co., Ltd. has established a quality system and works to apply the PDCA cycle for continuous quality improvement. As a professional IT solutions service provider, we promptly deliver solutions that earn customers' trust and exceed their expectations.

  • Attendance management systems
  • Production management systems
  • Financial information systems
  • Business systems for manufacturing
  • Asset management systems
  • Systems for automotive companies
  • Logistics and warehouse systems
  • Insurance policy management systems

Mobile application development

We improve the effectiveness of our applications through development practices specific to smartphone apps and UI/UX that is accepted globally.

  • 1. Planning: Communicate your passion fully
  • 2. Requirements definition: Invest the time and effort to work through the details
  • 3. External design: Be aware that discussions can continue indefinitely
  • 4. Internal design and implementation: Communicate proactively
  • 5. Testing: Secure sufficient budget and time

On-site development

For customer requests involving web, server, and other development, appropriately matched engineers provide development support at the customer's designated location.

  • 1. The right IT environment: Drawing on our accumulated experience and expertise, we propose the most suitable IT environments across a wide range of industries.
  • 2. Broad capabilities and expertise: Our engineers work across fields including finance and retail, with support for Java, PHP, C#.NET, Android Java, iOS, and other languages and technologies. We can provide the right engineers for everything from infrastructure to application development.
  • 3. A focus on communication: We value communication skills as highly as technical skills. We hire only people who communicate effectively and can report, share information, and consult appropriately.

Business application development

To realize environmental benefits through IT (Green IT), HL Co., Ltd. uses its technical expertise and multi-vendor capabilities to select cost-effective servers, network equipment, and systems and build optimal network systems. By providing integrated services through operation and maintenance, we deliver the added value of peace of mind.
On-site operation by resident systems engineers provides strong, one-stop support for your business activities.

  • Prompt responses to customer inquiries
  • Rapid recovery when system issues occur
  • Broad technical expertise, including security measures

Technology fields

Explore key technologies by category, from established systems to modern web, cloud and AI applications.
The scope of support and team arrangements are discussed individually based on your existing systems and requirements.

Operating systems & platforms
Windows, Windows Server, Linux, UNIX, macOS, iOS, Android
Databases & data stores
Oracle Database, Microsoft SQL Server, PostgreSQL, MySQL, IBM Db2, MongoDB, Redis
Programming languages
C, C++, C#, Java, Visual Basic (VB), COBOL, Perl, PHP, SQL, Shell, Python, JavaScript, TypeScript, Go, Rust, Kotlin, Swift
Frameworks, libraries & runtimes
.NET Framework, .NET, ASP.NET Core, Spring Boot, React, Vue.js, Next.js, Node.js
Middleware
IBM WebSphere Application Server, Apache Tomcat, Apache HTTP Server, NGINX
Cloud & containers
AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, Terraform
Development tools, testing & CI/CD
Visual Studio, Eclipse, Android Studio, Xcode, Visual Studio Code, Git, GitHub Actions, Jenkins, JUnit, pytest, Playwright
AI & data applications
pandas, PyTorch, LLM API, RAG