.NET API Development
Build or improve APIs that are secure, stable, and easy to maintain.
- New API endpoints
- Authentication and permissions
- Bug fixes and performance improvements
CHY Software Team | .NET + Angular/React
Need a reliable software team? We deliver.
We build, fix, and improve business web apps. Clear communication, realistic timelines, and real progress.
Start with a free 1-week trial task. Less meetings, more shipping.
Focused on
Why clients choose us
Simple, fast, professional.
- Clear scope and pricing before we start
- Quick kickoff and focused execution
- Daily progress updates in plain language
- Backend, frontend, and integrations in one team
LinkedIn: Mykola
Reply in 24h
Restaurant POS platform
Used by 500+ restaurant clients
Operations and reporting platform
Used by 200+ business clients
1 week free trial
prove speed and quality before full start
What we can do for you
Pick one service or combine several.
React and Angular Apps
Create web apps that are fast, clean, and simple for users.
- New pages and features
- UI cleanup and speed improvements
- Reliable forms and API integration
Legacy System Cleanup
Improve old code so your team can add features faster and safer.
- Refactoring critical modules
- Reducing repeated bugs
- Step-by-step modernization plan
Cloud and Deployments
Set up safer releases and cleaner environments for your app.
- Azure or AWS setup
- CI/CD pipelines
- Monitoring and alerting
Integrations
Connect your system to payments, CRM, identity, and other tools.
- Stable API-to-API integrations
- Webhook and event flows
- Reliable retry and error handling
Urgent Fixes
If production is unstable, we fix critical issues first and then harden the system.
- Fast bug triage
- Hotfix delivery
- Post-fix stabilization
Common problems we fix
If this sounds familiar, we can help quickly.
Releases break too often
After deploy, your team spends hours fixing urgent bugs.
We improve release flow and quality checks.
Result: Safer releases, fewer emergencies.
App feels slow
Users wait too long and drop off.
We optimize frontend, backend, and database bottlenecks.
Result: Faster pages and happier users.
New features take too long
Old code makes every small change risky.
We clean critical parts and modernize in safe steps.
Result: Faster delivery with lower risk.
Tell us your current blocker
We will send a clear action plan in 24 hours.
Selected case studies
Real delivery examples.
Restaurant POS Platform
.NET + Angular | 14 months | Team: 3 backend, 2 frontend
Restaurant POS platform supporting order entry, payment processing, in-store operations, and back-office reporting.
- Staff and store operations workflows
- Delivery platform integration
- Sales, inventory, and operational reporting
- Payment, checkout, refund, and adjustment workflows
- Loyalty and gift card features
- Operational printing and back-office visibility
Operations & Reporting Platform
.NET + Angular | 6 months | Team: 2 backend, 1 frontend
Platform for a POS business to manage accounts, track performance, and access operational tools in one place.
- Registration and login flows with Google, Microsoft, and Facebook
- Complex business forms with validation rules
- Google Maps integration for location-based workflows
- Dashboards for business performance and user insights
- Company, account, and user management workflows
- Reporting and admin tools for operational visibility
What clients get
Straightforward collaboration from day one.
- Clear proposal and timeline
- Dedicated delivery team
- Daily progress updates
- Jira visibility and demos
- Free 1-week trial option
How we work
This is exactly how we run projects.
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1
Clear proposal (within 24h)
You get deliverables, timeline, team size, and pricing format.
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2
Kickoff (1-2 days)
Scope and deadline confirmed. Access and setup completed.
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3
Trial week (FREE)
We deliver one small feature end-to-end to validate speed and quality.
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4
Full visibility
Daily update (shipped/next/blocked), Jira updated, demo on request.
About CHY Software
A practical software delivery team focused on clear outcomes.
We help companies build and improve web software without unnecessary complexity. We keep communication clear, direction aligned, and delivery predictable from start to finish.
Team-first delivery
Work is done by a practical team focused on results.
Simple management
Clear process and communication, with the team focused on delivery.
No lock-in
Your team keeps full access to code, docs, and decisions.
Core stack
C#
.NET
Web API
EF Core
SQL
Azure
Angular
React
TypeScript
CI/CD
Engagement style
- Start small or start full project
- Work with your internal team or independently
- Continue with ongoing support after launch
Tell us what you need
Send a short message and we will reply with clear next steps.