Arif Dewi — AI Engineer & Lead Frontend Developer

01 · Current AI work

Production AI engineering

Shipping today. Open source where I can.

● LIVE2026

Nexus Trace

Streaming AI Agent

Streaming AI agent with live tool-call trace visualization. Ask a question, watch the model search the web, call tools, and reason through its answer in real time. Built with a ReAct loop, SSE token streaming, and a real-time trace UI.

Skills demonstrated

›Agent orchestration
›Tool-call streaming
›ReAct pattern
›SSE / token streaming
›Trace observability UI
›Next.js Server Components

Stack

Next.js 16TypeScriptLangGraphTavily SearchUpstash RedisTailwind CSS v4

Signals

◆Real-time trace
◆Multi-tool reasoning
◆Open source

Open live demo View source

● LIVE2026

Nexus Recall

RAG Document Explorer

Browser-first RAG document explorer with PDF and Markdown ingestion, local embeddings, IndexedDB vector search, highlighted citations, and streaming AI answers powered by Fireworks.ai, OpenAI, and Claude through the Vercel AI SDK.

Skills demonstrated

›RAG architecture
›Local-first embeddings
›Vector search
›Citation extraction
›Streaming AI chat
›SvelteKit PWA

Stack

SvelteKitSvelte 5TypeScriptVercel AI SDKFireworks.aiOpenAIClaude / AnthropicTransformers.jsLangChain.jsIndexedDB

Signals

◆Browser-first RAG
◆Local embeddings
◆Open source

Open live demo View source

● LIVE2026

Nexus Forge

AI Mind Map

Infinite-canvas mind-map with four distinct AI personalities that analyze your thinking, stream their reasoning live, and restructure your map with a click. Custom SVG canvas and LangGraph workflow.

Skills demonstrated

›Multi-agent orchestration
›LangGraph SSE streaming
›Custom SVG infinite canvas
›Pinia state management
›Server-side rate limiting
›Nuxt 3 Server Routes

Stack

Nuxt 3TypeScriptLangGraph.jsFireworks.aiPiniaTailwind CSSVitest

Signals

◆4 AI agents
◆Live reasoning stream
◆Open source

Open live demo View source

02 · Field record

14 years of production systems

Each one reframed for what it teaches about AI engineering at scale.

01● LIVE

DolaSoft · 2023

Online Education Platform

AI-ready learning infrastructure

Architected an e-learning platform for a major international publisher. 1.8M+ concurrent users, 99.9% uptime. Interactive content, assessment, and a real-time analytics dashboard — the kind of substrate you bolt LLM tutors onto.

Next.jsTypeScriptTanStack QueryTailwind CSSAWS

1.8M+ users

99.9% uptime

02● INTEGRATED

DolaSoft · 2023

Distributed Power Management Dashboard

Realtime systems → LLM-ready telemetry

High-performance realtime monitoring for distributed power infrastructure. 10K+ data points, sub-second refresh, WebSocket with automatic fallback. Foundation for anomaly-detection and natural-language ops copilots.

React.jsTypeScriptWebSocketsRTK QueryThree.js

10K+ data points

99.8% reliability

03● LIVE

Luxoft · 2017

Enterprise Financial Dashboard

Compliance-grade UI for high-stakes data

Deal-processing platform for a major Australian investment bank. $200M+ daily transactions, strict security and compliance. Led distributed teams across 4 countries — same rigor I now apply to LLM evals and guardrails.

React.jsReduxJestREST APIsAngular

$200M+ daily

4 countries

04● LIVE

The New York Times · 2016

NYT Marketing Tools & A/B Testing

Recommendation UX at scale

Marketing tools and an A/B testing framework that lifted digital subscription conversion by 22%. Built the frontend for a recommendation engine that boosted engagement by 35% — the original ML-powered UX work that now translates directly to LLM products.

React.jsAngular.jsNode.jsMongoDB

+22% conversion

+35% engagement

05● ARCHIVED

WINGS Stiftung · 2018

DeFi Trading Interface

Smart contracts & realtime markets

Decentralized trading platform with smart-contract integration. Web3 ecosystem, real-time market viz, advanced security model.

AngularWeb3SolidityEthereum

Smart contracts

DApps

03 · Capability map

What I bring to a team

AI Engineering

Focus

LLM-powered appsAgentic workflowsRAG / retrievalLocal-first embeddingsVector searchSemantic chunkingStructured citationsTool use & function callingStreaming UXPrompt engineeringEvals & guardrailsEmbeddings pipelinesMulti-agent systemsVercel AI SDKLangGraph.jsLangChain.jsTransformers.jsFireworks.aiOpenAIClaude / Anthropic

Frontend Development

Expert

React.jsNext.jsSvelteKitSvelte 5Vue 3Nuxt 3TypeScriptJavaScriptReduxTanStack QueryZustandPiniaReact NativeHTML5CSS3Three.js

UI/UX Development

Expert

Tailwind CSSSassStyled ComponentsFramer MotionResponsive DesignDesign SystemsUser Interface Development

Backend Integration

Advanced

Node.jsExpressREST APIsGraphQL.NET C#

Web3 Technologies

Advanced

SolidityBlockchain DevelopmentDAppsSmart Contracts

Database Systems

Intermediate

PostgreSQLMongoDBIndexedDBVector StoresMS SQLDatabase Design

Testing & Quality

Advanced

PlaywrightCypressJestTesting LibraryVitestTest-Driven Development

DevOps & Deployment

Advanced

CI/CDGitHub ActionsDockerAWSVercelCloud Infrastructure

Performance Optimization

Expert

Core Web VitalsLighthouseBundle Size OptimizationWeb Performance

Leadership

Expert

Team LeadershipAgile/ScrumProject ManagementTechnical MentorshipCode Reviews

Languages

Native

English (Full Professional)Russian (Full Professional)

04 · Credentials

Verified

Recently formalized — alongside 14 years of production work.

DataCamp

verified · 2026

AI Engineer for Developers

credential · AIEDA0019287935520

LLM AppsRAGTool UseAgentsEmbeddings

view ↗

05 · Studio

Demos & creative experiments

● LIVE

Nexus Forge

AI Mind Map with Live Agent Reasoning

Infinite-canvas mind-map with four distinct AI personalities (AXIOM-9, VERN, ORACLE-3, PATCH) that analyze your thinking, stream dry reasoning live, and restructure your map with a click. Custom SVG canvas, SSE streaming, LangGraph workflow.

Nuxt 3Vue 3TypeScriptLangGraph.js

● LIVE

Nexus Recall

Browser-First RAG Document Explorer

Upload PDFs and Markdown, embed documents locally in the browser, search chunks through IndexedDB vector retrieval, and ask streaming RAG questions with structured citations and document highlighting.

SvelteKitSvelte 5TypeScriptVercel AI SDK

● LIVE

Nexus Trace

Streaming AI Agent

Streaming AI agent with live tool-call trace visualization. Ask a question, watch the model search the web, call tools, and reason through its answer in real time.

Next.js 16TypeScriptLangGraphTavily Search

06 · Writing

Field notes

AI Engineering

Evaluating RAG Systems: Beyond Vibes

How to stop guessing and start measuring what actually matters

2026-05-204 min readRead →

AI Engineering

Streaming AI Responses: SSE vs ReadableStream vs Vercel AI SDK

How I stopped waiting for walls of text and made my AI feel alive

2026-05-205 min readRead →

AI Engineering

The Kingdom of Shattered Memories

Why Your RAG Forgets Where It Left Its Brain — and the Dark Spell That Fixes It

2026-05-216 min readRead →

07 · Open a line

Let's build something with AI.

Open to senior & lead roles, contracts, and advisory work — anywhere LLMs, agents, and great UX intersect. Remote-first, comfortable across timezones.

Send email LinkedIn

Email

arifdewi.uae@gmail.com

Phone / WhatsApp

+971 52 750 0822

linkedin.com/in/arifdewi

GitHub

github.com/arifdewiuae

t.me/arifdewi

Location

Dubai, UAE / EU · Remote-First