Business Software Platforms
Design and build custom web platforms for companies that need operational workflows, users, roles, data, reporting, and reliable foundations.
- SaaS foundations
- Internal tools
- Admin workflows
- Business rules
Services
Complete software delivery with backend, data, and architecture depth.
Petricevic Systems is built for companies that need a real system, not just disconnected tickets. Work can start from a new product idea, an internal workflow, a legacy replacement, or a database/API problem that has grown too important to patch casually.
Backend Systems & APIs
Create service layers that are clear to extend: API contracts, authentication, validation, domain boundaries, integrations, and testing.
- REST APIs
- Auth systems
- Third-party integrations
- Service architecture
Data & Reporting Workflows
Model relational databases around real business operations, then expose the data through workflows, dashboards, exports, and reporting paths.
- PostgreSQL
- PostGIS
- MySQL
- Operational reporting
Modernization & Delivery
Replace brittle legacy workflows, organize project structure, containerize development, document decisions, and prepare systems for deployment.
- Docker
- CI/CD structure
- Technical documentation
- Deployment planning
System Build
For businesses that need a new SaaS platform, internal system, admin portal, API-backed product, or data-heavy operational tool.
- Discovery and scope
- Architecture and data model
- Implementation
- Deployment preparation
Modernization Sprint
For teams with brittle workflows, unclear backend structure, database pain, missing documentation, or deployment friction.
- Technical audit
- Refactoring plan
- Targeted implementation
- Handoff documentation
Architecture Partner
For founders and operators who need technical direction before committing budget to a larger software project.
- Domain modeling
- API and database design
- Risk review
- Build roadmap
GoPostgreSQLPostGISMySQLREST APIsProtocol BuffersJWTDockerDocker ComposeReactTypeScriptGrafanaSentryAWS CloudWatch
Start with the system