[STATUS: SENIOR ARCHITECT // COPENHAGEN & REMOTE // ACTIVE COCKPIT]

Architecting digital products
& production AI systems.

Full-stack engineering with single-point technical ownership from design tokens to production databases. Zero agency bloat. Zero translation loss.

Shipped Products Console AI Vision Lab Scope Project

SUB-100MS

API Latency Budget

1M+ RECS

Vision DB Scaled

FIGMA → PG

Single-Point Ownership

IOS + ANDROID

Native Products Shipped

Kiavash Davoodi: Systems Architect & Full-Stack Engineer

[WHAT KD STUDIOS BUILDS]

A senior product engineer for the moments that matter.

Turn an ambiguous product idea into a useful, measurable release. KD Studios combines product thinking, interface design, and full-stack delivery under one technical owner.

01 // AI PRODUCT DEVELOPMENT

Production AI features

Computer vision, multimodal workflows, retrieval, and structured model outputs that are observable, validated, and ready for real users—not just a demo.

Explore AI product development

02 // WEB APPLICATIONS

Full-stack web platforms

Fast, accessible web applications with clear data contracts, resilient APIs, production telemetry, and an interface your customers can understand.

Explore web platform engineering

03 // MOBILE PRODUCTS

React Native apps

iOS and Android products that feel native, connect cleanly to your backend, and are prepared for store submission, subscriptions, and iteration.

Explore mobile app development

From first brief to live releaseOne owner across scope, design, code, and infrastructure.

Copenhagen + remoteClear communication with founders and product teams worldwide.

Built for the next milestoneEvery engagement leaves you with a system you can keep improving.

[COMPUTER VISION LAB // CALIBITE INFERENCE ENGINE]

Multimodal computer-vision nutrition lab with real-time bounding-box inference.

Production computer-vision pipeline: real-time bounding-box coordinate detection, volumetric macro parsing, and streaming nutritional telemetry.

Select Test Meal Sample // Preset Pipeline:

Grilled wild Alaskan sockeye salmon with sear marks over tricolor quinoa and charred broccolini in a matte black ceramic bowl

LATENCY: 42ms

MODEL: GPT-4o-CV-NUTRITION

IMAGE MATRIX: 1024x1024 RAW

STATUS: LOCKED (98.4%)

Wild Salmon & Quinoa Superbowl

CALIBITE MULTI-MODAL DECOMPOSITION

580

Kilocalories

PROTEIN (BCAA PROFILE) 46g (32%)

CARBOHYDRATES (COMPLEX GLYCEMIC) 42g (29%)

FATS (OMEGA-3 & MONOUNSATURATED) 22g (34%)

AI Nutritional Breakdown // Stream Output

Wild Alaskan sockeye salmon over tricolor quinoa and charred broccolini. High-density omega-3 fatty acids and complete branched-chain amino acids. Optimal post-workout nutrient partition.

Shipped Products Console

Production products built from concept to launch.

Inspect production UI and deep technical architecture specifications, including Listdir: the Autonomous Startup Launch & Directory Automation SaaS with a Chrome MV3 Side Panel Helper. View full case studies →

Mobile App · iOS & Android

Calibite

Multimodal computer-vision nutrition lab for iOS & Android. Real-time bounding-box inference, volumetric macro parsing, and nutritional stream telemetry backed by a 1M+ item database.

React Native (Expo) Firebase Cloud Functions OpenAI GPT-4o Vision Adapty IAP

View on App Store Deep Case Study →

System Latency & Performance Budget

142ms

P99 API Latency

< 1.2s

Inference SLA

0ms

Edge Cold Start

PIPELINE: Direct image buffer compression to 1024x1024 before token payload dispatch.

CACHE: Edge key-value caching on food taxonomy hashes with 24h TTL.

FAILOVER: UPC barcode scanner fallback when visual confidence dips below 85%.

Database Topology & Data Contract

// Zod Domain Contract: FoodAnalysisResult
export const FoodAnalysisSchema = z.object({
  mealId: z.string().uuid(),
  detectedItems: z.array(z.object({
    name: z.string(),
    confidence: z.number().min(0).max(1),
    bbox: z.tuple([z.number(), z.number(), z.number(), z.number()])
  })),
  macros: z.object({
    calories: z.number().int().positive(),
    proteinGrams: z.number().nonnegative(),
    carbsGrams: z.number().nonnegative(),
    fatGrams: z.number().nonnegative()
  }),
  inferenceDurationMs: z.number()
});

STORAGE: Firestore denormalized daily food logs (single-document fetch per day).

SECURITY: Anonymous-to-registered auth conversion with zero telemetry loss.

View complete case studies & architectural deep dives

[PRODUCT ENGINEERING MANIFESTO]

The 3 Pillars of Senior Craftsmanship

Why single-point technical ownership outperforms fragmented agency handoffs.

PILLAR 01 // OWNERSHIP

Single Point of Ownership

Figma to Postgres without translation loss.

Eliminate fragmented engineering handoffs. Interface design, component architecture, state management, API routes, database schemas, and DevOps pipelines are authored by a single senior engineer. Zero handoff friction, zero requirements drift, and radical execution velocity.

PILLAR 02 // AI INFRASTRUCTURE

Production-First AI

Sub-50ms edge inference, vector pipelines, deterministic fallbacks.

AI features are never treated as superficial wrapper novelties. Systems are engineered with strict latency budgets, token optimization, visual fallback heuristics (such as computer vision with barcode UPC fallbacks), streaming response pipelines, and hardened Zod contract validation.

PILLAR 03 // DESIGN SYSTEMS

Design-System Rigor

60fps gesture-driven interfaces, custom micro-interactions.

Native fluid motion, mathematical typographic scales, and responsive tokens scaling from 375px mobile to 4K ultra-wide workstations. Interfaces are built to WCAG AA accessibility standards with tactile micro-interactions that make complex systems feel effortless.

Multi-Layer Agency Model vs. KD Studios Single-Point Ownership

Multi-Layer Agency Model

Fragmented handoffs between account managers, designers, juniors, & external contractors
Critical technical context lost at every stage of the handoff chain
Massive agency overhead billing for non-engineering bloat & coordination meetings
Slow, bureaucratic iteration cycles requiring change orders for simple adjustments

KD Studios Single-Point Ownership

Direct collaboration with a single senior architect & full-stack engineer
Zero translation loss: Figma design tokens map directly to production database schemas
100% focused technical investment with transparent scoping and clear budgets
Continuous deployment with sub-day iteration loops from prototype to live release

[SYSTEMS ARCHITECTURE MATRIX]

Production-grade infrastructure matrix.

Architectural stack organized into 4 core production quadrants.

Quadrant 01

Mobile Native

Cross-platform iOS & Android native apps with direct hardware bridges and in-app monetization.

React Native (Expo SDK 52)

Cross-Platform Native Engine

Native Device Bridges

Camera, Biometrics & Push

Adapty SDK (IAP)

In-App Purchases & Paywalls

EAS Cloud Build & CI/CD

App Store & Play Store Pipelines

Quadrant 02

Web & Edge

Server-rendered web applications engineered for sub-100ms response times and strict data safety.

Next.js 16 App Router

Turbopack & Server Components

TypeScript & Zod

Strict Data Boundary Contracts

Tailwind CSS v4 & Motion

60fps Gesture-Driven Systems

Vercel Edge Network

Serverless Edge & Streaming

Quadrant 03

AI & Vision

Production multimodal inference, structured streaming, and low-latency computer vision pipelines.

OpenAI GPT-4o Vision

Multimodal Image Decomposition

Vercel AI SDK

Real-Time Response Streaming

Vector Pipelines

Embeddings & Context Retrieval

Token Optimization

Heuristic Fallback Systems

Quadrant 04

DevOps & Persistence

Relational PostgreSQL schemas, Row-Level Security, realtime sync, and cloud microservices.

PostgreSQL + RLS

Row-Level Security Isolation

Supabase Realtime

WebSockets, Auth & Storage

Firebase Cloud Functions

Serverless Event Microservices

Stripe & Chrome MV3

Billing & Extension Workers

Project Scope Calculator

Calculate your project scope & estimated investment.

Select your target platform, key capabilities, and timeframe to calculate an initial planning estimate.
* Note: Prices and timelines shown are indicative planning estimates. Final quotes vary based on your specific project requirements, technical complexity, and custom design goals.

1 Select Project Type

Mobile App

iOS & Android (React Native / Expo), native camera/biometrics & App Store setup

Web SaaS

Full-Stack App (Next.js 16, React, Supabase Postgres, RLS & Vercel deployment)

Infotainment / One-Pager

High-performance showcase site, animated sections, interactive estimator & lead capture

Chrome Extension

Browser Tooling (Manifest V3), background workers & DOM automation

Rapid MVP

Laser-focused core flow prototype built for rapid market launch & testing

2 Add Core Capabilities

✓ AI & Vision Models

✓ Auth & Database

+ Stripe / In-App Payments

+ Custom UI/UX System

+ Real-Time / WebSockets

3 Target Timeframe

Urgent

< 3 weeks priority sprint

Standard

3–6 weeks balanced pace

Flexible

6+ weeks milestone schedule

Indicative Planning Estimate

$3,800 – $4,800

* Estimated range based on selected scope options.

Est. Timeframe: 3–6 weeks

Architectural Deliverables:

[ANSWERS BEFORE THE FIRST CALL]

Questions founders usually ask.

A practical starting point for deciding whether a senior, single-owner engagement fits your product.

What does KD Studios build?

KD Studios builds AI-enabled products, full-stack web applications, and React Native mobile apps. The work spans product definition, interface systems, APIs, data models, deployment, and the production feedback loop.

Can you take a product from idea to launch?

Yes. A typical engagement starts with a focused scope and technical plan, moves through a testable interface or prototype, and ends with a production release and the instrumentation needed for the next milestone.

Why work with one senior technical owner?

It keeps product decisions, design intent, and implementation context connected. You collaborate directly with the person making the architecture trade-offs, which reduces handoff delay and requirements drift.

Where is KD Studios based?

KD Studios is based in Copenhagen, Denmark, and works remotely with founders and teams internationally. Communication is direct, written down, and tied to visible product milestones.

Contact

Have a vision you're serious about?

I partner with founders and businesses who value clean process and technical craft. When working together, you collaborate directly with the person designing and engineering your product.

Bring your idea, from an early concept to an established project. I handle the end-to-end development journey to launch a dependable product.

Kiavash@kdstudios.app

Direct collaboration with the builder (no middlemen)

Design + engineering in one person

Building since 2019 · CVR: 41650788

Architecting digital products & production AI systems.