Web development services

WeaveLines builds SaaS platforms with authentication, roles, subscriptions and admin tooling, along with dashboards and data-heavy interfaces. We deliver the APIs and integrations that connect a product to payments, CRMs, analytics and the systems a business already runs on, as well as real-time features such as live updates, chat and collaboration. We also build the marketing site that presents the product and modernize software that has aged out of its stack. All of this work is done in TypeScript on the React and Node.js ecosystems.

We work in TypeScript and React and choose the framework for each project. TanStack serves application-heavy products where most of the work happens after sign-in, Next.js is chosen when it fits, and Astro serves content-heavy sites. Node.js runs behind them. PostgreSQL is our first choice, with MongoDB, Neo4j or Redis when the data has a different shape. We favor AWS, use Cloudflare where it fits, and run a plain server when that is the right size. WeaveLines selects the stack each product will grow in and builds accordingly.

We keep it fast by measuring it. The screens and endpoints that matter receive performance budgets that every release has to meet, and we profile and load-test against them rather than estimate. On the back end that means query tuning, caching and pagination designed for ten times the data. On the front end it means code splitting and rendering choices made per page. Monitoring after launch tells WeaveLines when a number moves before users notice.

We treat security as routine practice rather than as a phase at the end. Every change is reviewed by a second engineer. Dependencies are kept up to date, secrets stay out of the code, and access to accounts and data follows least privilege. Authentication, authorization and input handling follow OWASP guidance, and staged environments mean nothing is tested in production. WeaveLines builds security into the way the product is made rather than into a checklist afterwards.

We start with the simplest shape that fits the product, a single well-structured application with clear boundaries inside it, which is what most products are fastest to build and easiest to run in. Separate services or serverless functions come in when load, team size or a specific workload calls for them, and the boundaries drawn early make that split a step rather than a rewrite. WeaveLines records each decision as it is made, so the reasoning remains available as the product grows.

We design integrations on the assumption that the other side will fail at times. Calls are retried with backoff, operations are idempotent so a repeated request never duplicates a payment or an order, and every exchange is logged so a failure is visible and recoverable rather than silent. Webhooks are verified and processed the same way. WeaveLines builds integrations to remain dependable when the service at the other end is not.

Yes. WeaveLines sets up and runs the infrastructure the product needs. We favor AWS, use Cloudflare where it fits, or run a plain server when that is the right size, with Docker-based deployments, separate development, staging and production environments, CI/CD on every change, and monitoring and error tracking from the first release. When a product outgrows where it started, we migrate it. Rushtera moved between cloud providers with WeaveLines without a gap.

Yes. WeaveLines begins with a short review of the code, the infrastructure and how the product is used, gives you a plain account of what holds up and what does not, and plans the shortest route to the next release. A rewrite is the last resort rather than the first suggestion.

It proceeds in steps, without stopping the business. We assess what exists, plan the migration around the parts that matter most, move them to a modern stack one at a time, connect the new pieces to the systems that stay, and test after every move. Rushtera came to WeaveLines with a PHP platform that needed re-engineering and left with a modern one on a new cloud setup.

Work runs in two-week sprints, each ending with a demonstration of working software. The backlog and the progress are on a shared board you can open at any time, and the WeaveLines team is available to talk, review and decide throughout the engagement, not only at the demo. Every change goes through review, automated tests and CI before it reaches staging.

Yes. Design and engineering happen in the same place at WeaveLines. We produce a high-fidelity prototype in days, then build the interface and the design system in Figma with the same engineers. If you already have a designer or a design system, we build from it.

A scoped web application, dashboard or feature is usually a fixed-price project with an agreed launch date. Ongoing product work runs on time and materials billed monthly, and a retainer covers support, fixes and steady improvement after launch. WeaveLines quotes after a short call about what you are building.