Service
Application development
Custom web, mobile and enterprise applications — typed, tested, integrated and maintainable after we leave.

Software that runs a business has to be maintainable by people who did not write it. We build accordingly: clear boundaries, typed interfaces, automated tests, documented decisions and CI/CD from the first commit rather than the last sprint.
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We work across custom web applications, mobile applications, APIs and microservices, and internal enterprise portals — and increasingly with AI capability designed into the workflow rather than added afterwards.
Where an existing platform already solves your problem, we will say so. Building custom software you did not need is an expensive way to be impressed.
What you get
- A tested, documented, maintainable codebase
- Integration with the systems the process depends on
- A handover your team can actually accept
What's included
Enterprise web applications
Mobile applications
API development
Microservices
Enterprise portals
Quality engineering
Where this applies
- A critical process running on spreadsheets and email
- An internal tool nobody wants to use
- A product needing a rebuild rather than another patch
- Integration work no packaged product will do
Technologies
- React
- TypeScript
- Next.js
- Python
- FastAPI
- Docker
- Kubernetes
- AWS
- Azure
Engagement models
- Product discovery. Two to four weeks. Requirements, architecture, estimate and delivery plan.
- Fixed-scope build. Defined scope and timeline where requirements are genuinely stable.
- Agile delivery. Two-week sprints with a prioritised backlog and demonstrable increments.
- Embedded team. Engineers working inside your existing delivery process.
- Build–operate–transfer. We build and run it, then hand over with documentation and training.
Ready to talk about Application Development?
Tell us about the process or problem, and we'll tell you plainly whether this is the right starting point.
Or reach us directly at info@ontogenesistechnologies.com · +91-9999101853
