Currently working with clients$15/hour

Long-term
Technical Partner

For SaaS / Internal Systems / MVP → Scale

I help early-stage founders and growing teams design, build, and evolve their product long-term — not just ship features.

Who I Am

A different approach to technical partnership

I'm Not

  • One-off gigs
  • Outsourcing vendor
  • Agency
  • Freelancer
  • Task-based contracts

I Am

  • Full-stack developer focused on long-term, stable support
  • Work monthly with a single product, as part of the team
  • Continuously improving and maintaining the system
  • Your technical partner from MVP to scale

Rapid Iteration

Ship fast without sacrificing quality or future maintainability

Reliable Partnership

Consistent, predictable support you can count on month after month

Team Integration

I work as part of your team, not as an external vendor

Technical Expertise

Full-stack capabilities to build and scale your product

AI Full-Stack

OpenAI APIClaude APILangChainRAGAI AgentsPrompt Engineering

Frontend

ReactNext.jsVue.jsAngularTypeScriptJavaScript

Mobile

React NativeFlutterKotlinSwift

Backend

Node.jsNestJSJavaTypeORMREST APIsGraphQL

Cloud & Database

AWSPostgreSQLMySQLMongoDBDocker

UI/UX & SEO

Tailwind CSSStyled ComponentsFigmaSEO Optimization

Featured Work

Long-term partnerships that delivered real results

SaaS Analytics Platform

Built a real-time analytics dashboard for a growing SaaS startup. Handled 10M+ events daily with sub-second query times.

Next.jsPostgreSQLRedisAWS
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E-commerce Mobile App

Developed a cross-platform mobile app with React Native. Integrated payment systems, inventory management, and push notifications.

React NativeNode.jsStripeFirebase
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Internal Operations System

Created a comprehensive internal tool suite for a logistics company. Automated workflows reduced manual work by 60%.

Vue.jsNestJSMySQLDocker
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Take a break & have fun

Tech Memory Game

Match the tech icons! Test your memory while exploring my tech stack.

Moves

0

Matches

0/8

Let's Work Together

Looking for a technical partner who's in it for the long haul? Let's talk about how I can help your product grow.

Get in Touch

Email me to discuss your project

hzx520softsay@gmail.com