Solutions
Enterprise Software Development
We design and build business-critical applications for large organizations: secure, integrated and maintainable systems that support many departments, users and years of change.
Software That Holds Up Inside Complex Organizations
Enterprise software is defined less by its features than by its environment. It must integrate with dozens of existing systems, respect identity and security policies, serve thousands of users with different roles, survive audits and be maintained by changing teams for a decade or more. Many enterprise applications fail not because the code is wrong but because integration, governance, change management and operability were treated as afterthoughts.
Hanoi Technology builds custom enterprise applications and modernizes legacy systems. We deliver workflow and case management platforms, internal portals, integration layers, data-intensive line-of-business applications and modernized versions of aging systems. Our teams combine architecture, security, DevOps and quality engineering so that what we build can be operated and extended long after the first release.
The Challenge
Enterprise Software Challenges
Large organizations face problems that small-scale development practices do not solve.
Legacy Systems Nobody Wants to Touch
Core processes run on old platforms with scarce skills, missing documentation and fragile integrations. Every change takes months and carries a risk of outage.
Integration Spaghetti
Point-to-point connections between applications multiply over time. A change in one system breaks others in ways that only appear in production.
Security and Compliance Gates
Enterprise security reviews, data residency rules and audit requirements can stall projects late. Retrofitting controls after the build is slow and expensive.
Low Adoption Across Departments
Systems designed around one department’s view frustrate others. Users return to email and spreadsheets, and the business case never materializes.
Business Value
What Well-Engineered Enterprise Software Delivers
Processes Automated End to End
Workflows span departments with clear ownership, status and service levels. Requests stop disappearing between teams.
Clean, Governed Integration
APIs, events and an integration layer replace fragile point-to-point links. Systems can change independently.
Security by Design
Single sign-on, role-based access, encryption and audit logging are built in from the first sprint. Security reviews become confirmations rather than blockers.
Scalability and Resilience
Cloud-native architecture, automated scaling and tested recovery procedures keep systems available during peaks and incidents.
Lower Cost of Change
Modular architecture, automated testing and CI/CD let teams release frequently with confidence. New requirements take weeks rather than quarters.
Long-Term Maintainability
Documentation, coding standards and architecture decision records help future teams understand and extend the system.
Modernize Incrementally Wherever Possible
Replacing a core enterprise system in one release is one of the riskiest projects an organization can undertake. We prefer incremental modernization: wrapping legacy functions with APIs, moving capabilities one by one to new services and retiring old components only when their replacements are proven in production.
Our Services
Hanoi Technology’s End-to-End Enterprise Software Services
Our enterprise services cover new systems, modernization and the engineering practices around them.
Enterprise Architecture and Solution Design
We assess your application landscape, define target architecture and design solutions that fit enterprise standards for identity, security, integration and hosting.
- Application landscape review
- Target architecture
- Architecture decision records
Custom Enterprise Application Development
We build line-of-business applications, workflow and case management systems, and internal portals for many user groups, with full test automation.
- Web and mobile applications
- Workflow and case engine
- Automated test suites
Legacy Modernization
We modernize applications built on older platforms by refactoring, re-platforming or rebuilding in stages, using patterns such as the strangler fig to reduce risk.
- Modernization strategy
- Incremental migration plan
- Retired legacy components
Integration and API Platforms
We design API layers, event streaming and integration services connecting ERP, CRM, HR, data platforms and partner systems, with monitoring and versioning.
- API and event architecture
- Integration services
- API documentation and governance
Security, Compliance and Identity
We integrate with enterprise identity providers, implement fine-grained access control and logging, and support security reviews and penetration testing.
- Identity integration
- Security controls and logging
- Security review support
DevOps, Cloud and Operations
We set up CI/CD, infrastructure as code, observability and environments, and can operate applications as a managed service with defined service levels.
- CI/CD pipelines
- Infrastructure as code
- Monitoring and runbooks
Our Approach
Our Enterprise Delivery Approach
We balance governance with the speed of agile delivery.
- 01
Align Stakeholders and Scope
We identify sponsors, user groups, existing systems and constraints, and agree on outcomes and success measures. Risks and dependencies are logged early.
Deliverables: Stakeholder and system map · Outcome and risk register
- 02
Design Architecture and Controls
Architecture, security controls, integration patterns and environments are designed and reviewed with your architecture and security teams before build.
Deliverables: Approved architecture · Security control plan
- 03
Build in Increments
Teams deliver working software in sprints, with demos to stakeholders and automated tests running on every change.
Deliverables: Working increments · Test and quality reports
- 04
Release and Manage Change
Releases are rolled out by group or region with training, communication and support. Adoption is tracked actively.
Deliverables: Release plans · Training and adoption metrics
- 05
Operate and Evolve
We monitor, support and enhance the system, reporting weekly in writing on progress, incidents and priorities.
Deliverables: Service reports · Evolving roadmap
Use Cases
Enterprise Solutions We Build
Examples of systems that support many teams inside large organizations.
Case Management Platform
A services organization manages applications, reviews and approvals across several departments in one workflow system. Managers see backlog and turnaround times per team.
Mainframe or Legacy Front-End Modernization
Users of an old terminal or desktop application get a modern web interface while core logic is gradually moved to new services behind APIs.
Enterprise Integration Hub
An integration layer connects ERP, CRM, warehouse and partner systems using APIs and events. New systems join without custom point-to-point code.
Procurement and Approval Portal
Purchase requests, vendor onboarding and contract approvals follow configurable rules. Finance sees commitments before invoices arrive.
Compliance and Risk Management
Policies, controls, incidents and audits are tracked with evidence attached. Reports for regulators and leadership are produced on demand.
Partner and Supplier Portal
External partners submit orders, documents and claims through a secure portal integrated with internal systems. Manual re-entry of partner data ends.
Technology
Enterprise Technologies We Use
We work with established enterprise stacks and modern cloud-native tooling.
- Java Spring Boot
- .NET
- Node.js
- Python
- React
- Angular
- PostgreSQL
- Oracle Database
- Microsoft SQL Server
- Apache Kafka
- Kubernetes
- Terraform
- Microsoft Entra ID
- Keycloak
- Camunda
- GitHub Actions
Platforms
Deliver Enterprise Software on Your Preferred Platform
- Microsoft AzureModernize data, analytics and AI within your Azure tenant.Explore
- AWSBuild, migrate and run data and AI workloads on Amazon Web Services.Explore
- Google CloudBigQuery, Looker and Vertex AI for data-driven organizations.Explore
- MicrosoftPower BI, Power Platform, Fabric and Dynamics 365.Explore
Why Hanoi Technology
Why Organizations Choose Hanoi Technology
Senior, Cross-Functional Teams
Strategy, data, AI, cloud and engineering specialists work as one team, so nothing is lost between hand-offs.
Proven Delivery
More than 50 projects delivered for clients in North America, Europe and Asia-Pacific.
Radical Transparency
A written update every week and a demo of working software every sprint, so you always know where things stand.
Cost-Effective Global Delivery
Experienced engineers from our Hanoi delivery hub, with working-hour overlap for every major time zone.
Success Story · Fintech
All-in-one digital banking app for a traditional bank
A traditional financial institution wanted to compete with neobanks for mobile-first customers. We replaced a set of separate banking, investing and payment apps with one product that people use every day.
Read the Full StoryMore Success Stories
Logistics
−25%operational costsRoute optimization and fleet visibility for a regional logistics company
A regional delivery company handling thousands of shipments a day was planning routes and dispatching by hand. We built dynamic route optimization, a fleet dashboard and a driver app.
HR tech
80%faster hiring processAI candidate screening and matching for an HR tech startup
An HR tech startup processing thousands of applications a month needed recruiters to spend less time screening CVs. We built resume parsing, job matching and an automated shortlisting workflow.
Resources
Featured Resources
Industry trends and practical guidance to help you get more value from data, AI and technology.
FSMA 204 After the Delay: Using Shipment Monitoring to Get Traceability-Ready by 2028
The FDA Food Traceability Rule deadline moved to July 2028, but the data work is large. Here is how to use shipment monitoring and event data to get ready without wasting the extra time.
CSRD After the Omnibus: What the Revised ESRS Mean for Reporting From 2027
The Omnibus and the simplified ESRS reshaped EU sustainability reporting in 2026. Here is who is in scope, what changed in the standards and how to adapt your data and process.
OpenTelemetry in 2026: Building a Vendor-Neutral Observability Strategy
OpenTelemetry has become the default way to collect telemetry. Here is what changed in 2026 and a practical roadmap for a vendor-neutral observability stack.
Build Enterprise Software That Lasts
Book a free consultation to discuss your application landscape, modernization plans or new system. We reply within 24 hours and can propose a practical, low-risk approach.
Enterprise Software FAQ
How do you work with our internal IT and architecture teams?
We work within your standards for architecture, security, coding and deployment rather than introducing our own in isolation. Your architects review key decisions, which we document as architecture decision records. Our engineers can join mixed teams with your staff or work as a dedicated team with clear interfaces. Weekly written updates and sprint demos keep stakeholders aligned.
Should we modernize our legacy system or replace it?
It depends on the business value of the existing logic, the condition of the code, available skills and risk tolerance. Often the best option is incremental modernization: exposing legacy functions through APIs, moving capabilities to new services step by step and retiring old components once replacements are proven. We assess options and present trade-offs before you commit.
How do you handle enterprise security requirements?
Security is designed in from the start. We integrate with your identity provider, implement least-privilege access, encrypt data, log security events and follow secure development practices including code review and dependency scanning. We prepare documentation for your security review and support penetration testing, so approvals are not a late surprise.
What does an enterprise software project cost?
Cost depends on scope, number of integrations, user groups, security and compliance requirements, data migration and the level of ongoing support. We start with a discovery phase that produces a phased plan and estimate. You can engage us as a fixed-scope project, a dedicated team that scales with your roadmap, or a managed service for operations and continuous improvement.
How do you ensure the software remains maintainable?
We use modular architecture, consistent coding standards, automated testing at several levels, CI/CD and infrastructure as code. Architecture decisions, APIs and operational procedures are documented. These practices let your team or ours extend the system confidently years later, and reduce dependence on any individual engineer.
Can you support the application after launch?
Yes. We provide managed services with monitoring, incident response, maintenance, security patching and enhancements. Service levels and escalation paths are agreed up front, and you receive weekly written reports. Many clients keep the team that built the system, which preserves knowledge and keeps improvements moving.