Spearfish AI: An AI Platform for Strategic Career Advancement"

Learn how to use AI to identify startup gaps, build targeted projects, and develop a production-ready multi‑tenant Next.js platform with integrated AI agents.

OpenAI GPT-4 Next React TypeScript Supabase

Overview

Spearfish AI flips job searching upside down: instead of sending 100 applications, you pick a high-potential AI startup, use AI to research their weaknesses and technical gaps, then build projects that fix those problems, proving your value before you ever apply. I’ll share how I vibe coded this entire platform using Taskmaster, an AI coding assistant that helped architect a full-stack Next.js app with multi-agent AI orchestration (OpenAI, Perplexity), secure multi-tenant database with RLS policies, and intelligent research systems.

Links

https://github.com/dwaynekyletech-git/spearfish.ai
Next.js, Supabase, OpenAI platform uses AI agents for secure RLS spearfishing.

Tech stack

OpenAI GPT-4

OpenAI's premier large multimodal model: accepts text and image inputs, delivers human-level performance (e.g., top 10% on the simulated bar exam), and processes up to 32,000 tokens.

GPT-4 is OpenAI's most advanced system: a large multimodal model that processes both text and images, emitting text outputs. This model demonstrates near human-level proficiency, notably scoring in the top 10% on the simulated Uniform Bar Exam (Source: 4). Its key operational advantage is the expanded context window: 32,000 tokens, enabling it to manage and generate approximately 25,000 words for complex, long-form applications (Source: 1). This represents a major scaling milestone in deep learning and general-purpose AI reasoning.

https://openai.com/research/gpt-4

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Next

Next.js is the full-stack React framework: it delivers high-performance web applications via hybrid rendering and powerful, Rust-based tooling.

This is the React Framework for production: Next.js enables you to build full-stack web applications with zero configuration and maximum efficiency. It supports a hybrid rendering approach (Server-Side Rendering, Static Site Generation, and Incremental Static Regeneration) for optimal speed and SEO performance. Key features include React Server Components, Server Actions for running server code directly, and the App Router for advanced routing and nested layouts. Developed by Vercel, it leverages Rust-based tools like Turbopack and the Speedy Web Compiler for the fastest possible builds and a superior developer experience.

https://nextjs.org/

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React

React is an open-source JavaScript library for building dynamic user interfaces (UIs).

React is a component-based JavaScript library, developed by Meta (Facebook), engineered for building fast, declarative UIs. It mandates a one-way data flow and utilizes a Virtual DOM mechanism to ensure efficient, predictable updates to the user interface. Developers construct complex UIs by composing small, encapsulated components; this architecture promotes code reusability and simplifies state management across large applications. The library employs JSX (a syntax extension) to integrate HTML-like markup directly within JavaScript logic, supporting development for both web (React DOM) and native mobile platforms (React Native).

https://react.dev/

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TypeScript

TypeScript is an open-source superset of JavaScript: it adds static typing and compiles to clean, standards-based JavaScript.

TypeScript is a high-level, open-source language developed by Microsoft: it acts as a superset of JavaScript, adding a powerful static type system. This system enables compile-time type checking, catching errors before runtime (a critical benefit for large-scale applications). The TypeScript Compiler (TSC) reliably transpiles all code into clean, standards-based JavaScript (ES3 or newer), ensuring compatibility across any browser or host environment (Node.js, React.js, etc.).

https://www.typescriptlang.org/

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Supabase

The open-source PostgreSQL development platform: a Firebase alternative for rapid backend deployment.

Supabase is the Postgres development platform, providing a complete, open-source backend-as-a-service solution. It packages enterprise-grade tools like a full PostgreSQL database, a RESTful API (via PostgREST), and a GraphQL API (via pg_graphql) that are auto-generated from your schema. The platform includes a comprehensive suite of services: Auth (for user sign-ups and SSO), Storage (for files with S3 integration), Realtime (for database change subscriptions), and Edge Functions (for serverless logic). The core value proposition is clear: build fast with a powerful, scalable SQL database that offers 100% portability and robust security features like Row Level Security (RLS).

https://supabase.com

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Spearfish AI: An AI Platform for Strategic Career Advancement"

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