Complete SaaS products from architecture and UX through APIs, data, payments, and production operations.
You have raised a seed or Series A and need senior execution before another full-time hire makes sense. We integrate with your workflow, using the same Slack channels, standups, and sprint board to keep delivery visible and aligned.
Your MVP got you to product-market fit, but the architecture will not support the next stage. We assess the codebase and build a systematic improvement plan: no big-bang rewrite, just targeted changes that improve reliability and delivery speed while the product keeps running.
You have an internal project that needs focused delivery while your in-house engineers stay on the core product. Cavanex handles the architecture and implementation across frontend, backend, APIs, data, auth, payments, and CI/CD, with a documented handoff when the project is complete.
We start by understanding the business, not just the codebase. Discovery covers existing code, stakeholder requirements, user flows, and technical architecture. The output is a technical specification, data model, API contracts, and a phased project plan that you approve before production implementation begins.
This is where the foundation goes in: data models, APIs, authentication, authorization, and the primary user flows. Every two weeks you get a working application in staging that uses real schemas and connects to the systems it must support.
We complete the remaining features, third-party integrations, analytics, monitoring, and CI/CD pipeline. Unit, integration, and end-to-end tests are written alongside the product rather than added at the end. The result is a complete application in a staging environment that mirrors production.
We deploy to production, configure monitoring and alerting, run load tests, and watch the launch closely. Every system is documented through architecture diagrams, API documentation, deployment procedures, and runbooks. The engagement can end with a structured handoff or continue under an ongoing support retainer.
React and Next.js are the default for web applications because the ecosystem and tooling are mature. TypeScript is used on every project.
The runtime follows the problem: Node.js for real-time applications, .NET for complex business systems, Python for data-heavy workloads, and Go for high-performance services.
Database choice follows the data model and query patterns. PostgreSQL is the default for relational data, MongoDB for document-heavy workloads, Redis for caching and real-time features, and DynamoDB for serverless systems at scale.
Every application runs on production-grade infrastructure from day one: AWS for most projects, Docker for containerization, Kubernetes when orchestration is justified, and Terraform for infrastructure as code.
Contact us to discuss relevant platform work across fintech.
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Many clients need more than one isolated service. Cavanex connects platform engineering, cloud infrastructure, and SOC 2 implementation through one coordinated delivery model.