JW
Jonas WeeksFull stack web and mobile app developer in Murrieta, California
Available for select projects
Full stack developer for startups, SaaS products, AI tools, and modern business platforms.

Murrieta, California based. Working with founders, startups, and businesses that need real product execution.

Full Stack Web & Mobile App Developer

I build modern websites, SaaS platforms, and AI-powered applications focused on performance, design, and user experience. My work connects product strategy, polished interfaces, backend systems, and launch-ready execution for ambitious teams.

SaaS MVPs and startup launchesAI-powered app workflowsModern web and mobile delivery
Launch velocityMVPs in weeks

Focused product scoping and practical technical decisions that keep momentum high.

Build focusMobile-first + SaaS

Strong fit for startup products, AI-enabled workflows, and modern business platforms.

Execution styleProduct-minded

Design quality, backend logic, performance, and conversion all treated as one system.

Delivery standardsClean + scalable

Responsive UI, maintainable architecture, SEO foundations, and production-ready polish.

Selected products presented like real case studies, not portfolio filler.

All projects
Inventory-aware mobile commerce for fresh product ordering and fulfillment.

Thriving Greens

A commerce app designed around real inventory constraints so customers can order confidently while operators avoid overselling and fulfillment gaps.

Problem

Customers could attempt orders that operations could not fulfill accurately because the storefront did not reflect live inventory reality.

Solution

Built an inventory-aware ordering flow with weight-based availability logic, clearer UX feedback, and a more trustworthy purchase path.

iOSAndroid
ExpoTypeScriptFirebaseInventory logicPayments
Impact / Outcome

Connected customer ordering with live stock awareness, weight-based purchasing logic, and operational clarity.

Improved purchase reliability by aligning the interface with actual inventory conditions instead of static catalog assumptions.

Live inventory logiciOS + Android deliveryOperationally safer ordering
Live food truck discovery and operator coordination for mobile-first users.

Grubana

A location-driven mobile product connecting customers to live vendor drops while giving operators a system for updates, engagement, and visibility.

Problem

People needed a faster way to discover active vendors, while operators needed a better system for announcing location and building momentum in real time.

Solution

Created a map-first marketplace experience with real-time vendor visibility, mobile-first discovery, and workflows that support live operations.

iOSAndroid
React NativeFirebaseMapsRealtime dataPush-ready flows
Impact / Outcome

Shipped marketplace-style mobile workflows with real-time location, vendor visibility, and store-ready release handling.

Reduced friction between discovery and action by turning a fragmented local-food experience into a live mobile product loop.

Realtime location UXVendor visibility workflowsStore-ready release path

Hands-on product development for startups, business platforms, and ambitious app ideas.

Custom Website Development

High-conviction websites for startups, local businesses, and product brands that need speed, clarity, and trust.

Mobile App Development

iOS and Android app experiences built with real product flows, launch readiness, and backend coordination in mind.

SaaS MVP Development

Startup-focused MVP builds that connect product scope, interface quality, and technical execution without excess overhead.

AI Integrations

AI-powered workflows, assistant features, content systems, and automation layers that fit the product instead of feeling bolted on.

UI/UX Design

Product-focused interfaces shaped around usability, hierarchy, and conversion instead of decorative noise.

API Integrations

Reliable integrations across payments, maps, auth, CMS, operational tooling, and custom backend services.

SEO Optimization

Technical SEO foundations, metadata, site structure, and landing page implementation that support ranking and discovery.

Startup Product Development

A strong fit for founders who need one builder to connect strategy, design, engineering, and launch execution.

Built for founders and teams that need modern products to ship, convert, and scale.

Built MVPs in weeks, not months.

Fast scoping and pragmatic implementation for startup-minded projects.

Optimized sites for performance and SEO.

Clean metadata, responsive front ends, and technical foundations that support discovery.

Designed mobile-first experiences that feel intentional.

Product UX shaped around real use, not just portfolio aesthetics.

Built AI-powered workflows and automation tools.

Useful AI integrations designed to improve product capability and operator efficiency.

How I think about product development, design, and technical execution.

01

Build like the product has to survive contact with reality

I optimize for products that need to perform under real operating conditions: live data, users in motion, shifting requirements, and launch pressure.

02

Keep strategy, design, and engineering connected

The strongest products come from joining product thinking, interface quality, and implementation detail instead of treating them as separate workstreams.

03

Move quickly without making the product feel rushed

Speed matters, but so do trust, polish, performance, and maintainability. I aim for fast delivery without the usual quality tradeoff.

04

Use AI and automation where they actually improve the product

AI should create leverage, clarity, or better workflows. I treat it as a useful product layer, not a gimmick bolted onto the UI.

Entrepreneurial product thinking backed by real engineering execution.

I like building products that solve real operational problems, not just look impressive in a mockup. That means thinking like a founder, designing like a product team, and implementing like the software will actually be used under pressure.

My edge is the combination of design sensitivity, product judgment, and full stack execution. I build SaaS MVPs, AI-powered workflows, mobile apps, and business websites that feel sharper, more trustworthy, and more intentional than the average freelance build.

Jonas Weeks, full stack web and mobile app developer
Product strategyClarify the user problem, the business model, and what actually needs to feel effortless.
Design and buildTranslate the idea into a polished web or mobile product with strong UX and clean technical foundations.
Launch and iterationShip confidently, improve performance, and keep evolving the product as real usage reveals what matters.

Modern technologies for building products that feel current and stay maintainable.

Frontend

ReactNext.jsTypeScriptJavaScriptTailwind CSS

Backend + data

Node.jsFirebaseSupabaseREST APIs

Mobile + AI

React NativeFlutterSwiftUIOpenAI API

Workflow

GitHubVercelSEOProduct analytics

Need a modern website, SaaS MVP, AI-powered app, or mobile product built with care?

Let's Build Something