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Our Tech Stack

What technologies do you use to build tools? We use modern TypeScript, React, Next.js, and Node.js for rapid development, plus specialized tools like n8n for automation and Playwright for browser automation.
At WithSeismic, we’ve carefully selected a modern, performance-focused stack that allows us to ship interactive tools in 2-4 week sprints. Every technology choice is optimized for rapid development and stellar user experience.

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Core Technologies

Why TypeScript and React? These technologies provide type safety, component reusability, and a massive ecosystem - allowing us to build robust tools quickly while maintaining high code quality.

TypeScript

Type-safe JavaScript for building robust, maintainable applications with fewer runtime errors.

React

Component-based UI library for building interactive user interfaces with predictable data flow.

Next.js

Full-stack React framework with built-in routing, SSR/SSG, and optimized performance out of the box.

Vite

Lightning-fast build tool and dev server for modern web projects with hot module replacement.

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Backend & Infrastructure

Node.js

JavaScript runtime for building scalable server-side applications with a massive ecosystem.

Hono

Ultra-fast, lightweight web framework for building APIs with excellent TypeScript support.

Railway

Modern infrastructure platform for deploying and scaling applications with zero DevOps overhead.

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UI & State Management

Tailwind CSS

Utility-first CSS framework for rapidly building custom user interfaces without leaving your HTML.

Motion

Production-ready animation library (formerly Framer Motion) for creating fluid, gesture-based interactions.

Zustand

Lightweight state management solution that’s simple, fast, and scales from small to complex applications.

TanStack Query

Powerful data synchronization library (formerly React Query) for fetching, caching, and updating server state.

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Automation & Workflow Platforms

How do you handle complex automation workflows? We use platforms like n8n and Kestra that provide visual workflow builders with 500+ integrations, plus custom code when needed for specialized requirements.

n8n

Self-hostable workflow automation with 500+ integrations, code flexibility, and visual workflow builder.

Kestra

Declarative data orchestration platform for ETL/ELT pipelines with 100+ built-in plugins.

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Job Queue & Orchestration

BullMQ

Redis-based queue system for processing background jobs with automatic retries and rate limiting.

Trigger.dev

Modern workflow automation platform for building reliable background jobs with built-in observability.

Inngest

Event-driven function platform for building durable workflows with automatic retries and step functions.

Hatchet

DAG-based workflow engine for complex dependencies and visual workflow management.

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Documentation & API Tools

OpenAPI/Scalar

Beautiful, interactive API documentation from OpenAPI specs with built-in testing capabilities.

Mintlify

Developer documentation platform with MDX support, beautiful themes, and excellent search.

Swagger UI

Interactive API exploration tool for testing endpoints directly from documentation.

Storybook

Component documentation and testing platform for building UI components in isolation.

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Communication & Project Management

We maintain clear, consistent communication channels with our clients throughout every sprint:

Slack

Real-time messaging for daily updates, quick questions, and seamless collaboration.

Google Meet

Video conferencing for discovery workshops, sprint reviews, and strategic discussions.

Linear

Modern issue tracking for managing sprint tasks, tracking progress, and maintaining transparency.

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Why This Stack?

What makes this tech stack special for automation tools? Every technology is chosen for speed, type safety, and performance - enabling us to deliver production-ready tools in 2-4 week sprints with minimal bugs.
Every tool in our stack is chosen for a specific reason:
  • Speed: Vite’s instant HMR and Next.js optimizations mean we iterate faster
  • Type Safety: TypeScript catches errors before runtime, reducing bugs in production
  • Developer Experience: Modern tooling means we spend time building features, not fighting config
  • Performance: Every choice prioritizes sub-second load times and smooth interactions
  • Scalability: From MVP to millions of users, this stack grows with your success
This is the exact stack we use to build interactive tools that convert. No theoretical choices—these are battle-tested technologies we ship with every day.

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Ready to Build with This Stack?

Book Your Sprint

Let Doug and the team use this proven tech stack to build your productized tools. 2-week sprints at 10Kor4−weeksprintsat10K or 4-week sprints at 20K. Get a response in 4 hours.