Automotive Engineering · AI Products · Solana Infrastructure · Business Systems

Rafai Mohamed Taha

Automotive engineer building diagnostic, AI, and Solana products.

I build technical systems that turn complex engineering, blockchain, operational, or business information into usable products.

Automotive Engineering graduate, founder of TT AUTO’S Engineering, Solana ecosystem contributor, and upcoming Master’s student in Technology and Engineering Management.

System MapEvidence → Product
Portfolio ThesisComplex signals → usable technical products

Automotive, AI, Solana, and operations work connected through evidence, diagnostics, and product execution.

Engineering signals
Transaction evidence
Operational workflows
Decision tools
Public documentation
Deployment checks
Automotive and industrial engineering
AI-assisted diagnostics
Solana transaction tooling
Production web products
Open-source contributions
Founder-led operations
01 / Selected Work

Six systems that explain the portfolio.

Featured projects are limited to work that shows engineering depth, product execution, open-source participation, or founder ownership.

AI · Solana · Transaction Infrastructure

SolFix AI

LiveCreator / Product Engineer

Agentic Solana transaction debugger and repair assistant for evidence-based transaction diagnosis and repair guidance.

  • Deterministic, OpenAI, and Anthropic explanation providers
  • Prisma-backed PostgreSQL persistence with production health checks
  • Devnet Memo wallet attestation, simulation, JSON export, and public report routes

SolFix AI analyzes transaction signatures and serialized transactions, reconstructs instruction trees, explains likely failures, and generates structured repair reports without automatically modifying user transactions.

  • Next.js
  • TypeScript
  • Prisma
  • PostgreSQL
  • Supabase
  • Solana RPC
  • OpenAI
  • Anthropic
Solana · Meteora DLMM · Analytics

MeteorScope

Public BetaCreator / Product Builder

Read-only Solana and Meteora DLMM analytics platform for wallets, liquidity positions, pools, and failed transactions.

  • Wallet analysis, position inspection, pool explorer, and failed-transaction diagnostics
  • SPL Token and Token-2022 normalization with Wrapped SOL handling
  • Request IDs, distributed rate limiting, fallback RPC, and readiness endpoints
  • Next.js
  • TypeScript
  • Solana Web3.js
  • Meteora DLMM SDK
  • Meteora Data API
  • Upstash
  • Vercel
Automotive Intelligence · Founder Project

TT AUTO’S Engineering

LiveFounder / Product Builder

Multilingual automotive intelligence and used-car decision platform focused on German vehicles.

  • Coverage for BMW, Mercedes-Benz, Audi, Volkswagen, Porsche, MINI, Škoda, SEAT, and CUPRA
  • Reliability pages, buying guidance, fault codes, powertrain guides, and technical articles
  • Comparison, ownership-cost, model-year, risk-checker, vehicle-history, and searchable library workflows
  • Automotive research
  • Technical publishing
  • SEO systems
  • French
  • English
  • Dutch
  • Arabic
Open Source · Solana · Agent Safety

SolSafe / ZeroClaw Solana Plugins

Open SourceOpen-source Contributor

Solana-focused ZeroClaw tools for transaction auditing and guarded Jupiter swap preparation.

  • SolSafe audit tool and guarded Jupiter swap tool
  • Structured risk and transaction outputs before swap preparation
  • Intentional separation between analysis, preparation, and execution
  • Rust
  • Solana
  • Jupiter
  • ZeroClaw
  • wasm32-wasip2
Industrial Engineering · Machine Reliability · AI

SOGEA Predictive Maintenance

Case StudyEngineering Intern / Final-Year Engineering Project

End-of-studies engineering project for predictive maintenance on the MBK BSM-R cage-welding machine.

  • Failure analysis for F101, F140, F54/F55, and F211 priority fault families
  • Temperature, vibration, and pressure monitoring concepts
  • Preventive-maintenance workflows with Random Forest classifier proposal
  • DMAIC
  • FMEA
  • MTBF / MTTR
  • Fiix CMMS
  • Python
  • Random Forest
  • Type K
  • PT100
Trading Analytics · Competition Systems · Solana

PerpArena

Portfolio ProjectCreator / Product Builder

Portfolio-built competition analytics platform exploring risk-adjusted scoring for perpetual trading competitions.

  • Responsive leaderboard using simulated competition data
  • Risk-adjusted scoring across performance, risk, consistency, activity, and diversity factors
  • Methodology, integrity documentation, and production deployment verification
  • Next.js
  • TypeScript
  • Vercel
  • Analytics UX
  • Scoring methodology
02 / Engineering Case Study

Industrial reliability work with scoped claims.

This section separates analysis, implemented workflow design, and proposed instrumentation or machine-learning components.

SOGEA Maroc / VINCI Construction

Predictive Maintenance for Industrial Welding Equipment

Industrial reliability case study connecting machine failure analysis, maintenance workflows, instrumentation concepts, and an AI classification proposal.

Period
2025
Machine
MBK BSM-R cage-welding machine
Site
Bouknadel production facility
Role
End-of-studies Engineering Project

Problem

The cage-welding machine needed clearer fault prioritization, earlier warning logic, and a maintainable preventive-maintenance workflow.

4Priority fault families
378Highest RPN
DMAICMethodology
Fiix CMMSWorkflow
Failure ModeRPN
F10124V power dropout
378
F140Cooling-return issue
240
F54/F55Welding-chariot positioning
360
F211Profibus U1 fault
280

Analyzed

  • DMAIC methodology
  • Failure Mode and Effects Analysis
  • MTBF and MTTR improvement focus
  • RPN-based priority faults

Implemented

  • Failure prioritization
  • Preventive-maintenance workflow design
  • Weekly inspection checklist
  • Fiix CMMS workflow mapping

Recommended or Proposed

  • IoT temperature, vibration, and pressure monitoring
  • Type K thermocouples and PT100 RTDs
  • Python Random Forest classifier
01Industrial context
02Failure analysis
03Instrumentation
04Prioritization
05Maintenance workflow
06Recommendations
03 / Open Source

Concrete public work, not adoption claims.

Each item is labeled by contribution type and points to public evidence where available.

Pull request

ZeroClaw Solana Plugins

Upstream contribution adding Solana audit and guarded Jupiter swap-preparation tools with plugin-compatible risk outputs.

Documentation framework

Solana Launch Readiness Skill

Public framework for Solana product launch checks across security, RPC strategy, wallet UX, monitoring, incident response, token launches, and GTM readiness.

Developer tool

MeteorScope

Public Solana and Meteora DLMM analytics tool available for review through GitHub, issue tracking, and public-beta documentation.

Ecosystem experiment

TxArena

Public source with documentation, demo replay scripts, and deployment guidance for transaction-agent competition workflows.

06 / Project Archive

More selected work.

Production systems, open-source tools, client-facing products, and experiments are grouped by evidence and status instead of volume.

AI · Solana · Transaction InfrastructureLive

SolFix AI

Agentic Solana transaction debugger and repair assistant for evidence-based transaction diagnosis and repair guidance.

RoleCreator / Product Engineer
  • Next.js
  • TypeScript
  • Prisma
  • PostgreSQL
  • Supabase
Solana · Meteora DLMM · AnalyticsPublic Beta

MeteorScope

Read-only Solana and Meteora DLMM analytics platform for wallets, liquidity positions, pools, and failed transactions.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Solana Web3.js
  • Meteora DLMM SDK
  • Meteora Data API
Automotive Intelligence · Founder ProjectLive

TT AUTO’S Engineering

Multilingual automotive intelligence and used-car decision platform focused on German vehicles.

RoleFounder / Product Builder
  • Automotive research
  • Technical publishing
  • SEO systems
  • French
  • English
Open Source · Solana · Agent SafetyOpen Source

SolSafe / ZeroClaw Solana Plugins

Solana-focused ZeroClaw tools for transaction auditing and guarded Jupiter swap preparation.

RoleOpen-source Contributor
  • Rust
  • Solana
  • Jupiter
  • ZeroClaw
  • wasm32-wasip2
Industrial Engineering · Machine Reliability · AICase Study

SOGEA Predictive Maintenance

End-of-studies engineering project for predictive maintenance on the MBK BSM-R cage-welding machine.

RoleEngineering Intern / Final-Year Engineering Project
  • DMAIC
  • FMEA
  • MTBF / MTTR
  • Fiix CMMS
  • Python
Trading Analytics · Competition Systems · SolanaPortfolio Project

PerpArena

Portfolio-built competition analytics platform exploring risk-adjusted scoring for perpetual trading competitions.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Vercel
  • Analytics UX
  • Scoring methodology
Solana Wallet IntelligenceMVP

Jupiter Pulse

Wallet-behavior and portfolio-intelligence interface that turns Solana activity into understandable reports.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Tailwind CSS
  • Solana
  • Jupiter
Solana Devnet ProofsMVP

ShipProof

Solana devnet proof and grant-verification MVP for reviewer-friendly project evidence.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Wallet Standard
  • Solana Memo
  • SHA-256
Agent Competition SystemsMVP

TxArena

Transaction-agent competition platform with scoring, replay, quests, streaks, and agent-performance comparison.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Agent workflows
  • Replay mode
  • TxLINE
Developer ToolingOpen Source

Solana Launch Readiness Skill

Structured launch-readiness framework for Solana products and coding agents.

RoleCreator / Open-source Contributor
  • Codex skill
  • Solana
  • Launch operations
  • Incident planning
  • Security triage
SaaS OperationsPortfolio Project

Barbershop Booking Platform

Booking and client-management platform designed for a barbershop pilot with Soufiane and Youssef.

RoleProduct Builder
  • Next.js
  • TypeScript
  • NextAuth
  • Prisma
  • PostgreSQL
Cafe Operations and POSMVP

Le Cinq OS

Cafe operations and point-of-sale platform for table management, orders, bar workflow, and daily closing.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Tailwind CSS
  • Prisma
  • SQLite
Local Business ProductLive

Cafe Le Cinq Digital Menu

Mobile-first digital cafe menu with a premium Franco-Arabic identity, QR access, and custom brand work.

RoleCreator / Product Builder
  • React
  • TypeScript
  • Vercel
  • Mobile UX
  • Brand system
Professional Services PlatformLive

Polyglot Vertaal & Tolkdiensten

Multilingual professional translation and interpreting service platform with quotation workflows.

RoleProduct Engineer
  • Next.js
  • TypeScript
  • Multilingual routing
  • RTL support
  • Vercel
Student-Service ProductLive

PFE Success Maroc

French-language student-service platform for end-of-study project, internship, presentation, and defense support.

RoleCreator / Product Builder
  • Next.js
  • TypeScript
  • Service design
  • Lead generation
  • French content
Consumer Product ExperimentArchived Experiment

Cheers

Social drink-tracking product experiment with mobile flows and web-backed product infrastructure.

RoleCreator / Product Builder
  • Expo
  • React Native
  • Next.js
  • Prisma
  • Mobile API routes
Interaction ExperimentArchived Experiment

Scrolly Game Experiments

Lightweight game experiments created in a Superteam UK no-code game-jam context.

RoleCreator
  • React
  • TypeScript
  • No-code workflow
  • Game jam
07 / Capabilities

Grouped technical capabilities.

A practical toolkit supported by the projects shown here: product engineering, data, AI, Solana, industrial engineering, and delivery.

Product Engineering

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS
  • Static export
  • Responsive UI
  • Product architecture
  • API integration
  • Deployment workflows

Backend and Data

  • Node.js
  • Prisma
  • PostgreSQL
  • Supabase
  • SQLite
  • REST APIs
  • Data modelling
  • Row-level security concepts

AI and Analysis

  • Python
  • Random Forest
  • Diagnostic systems
  • Prompt design
  • Evidence-based explanation systems
  • AI provider integration
  • Structured report generation

Solana

  • Solana Web3.js
  • Wallet Standard
  • SPL Token
  • Token-2022
  • Memo Program
  • Transaction simulation
  • Transaction diagnostics
  • Meteora DLMM
  • Jupiter integration
  • RPC and rate-limit architecture

Automotive and Industrial Engineering

  • Predictive maintenance
  • FMEA
  • DMAIC
  • MTBF and MTTR
  • Automotive diagnostics
  • Fault-code analysis
  • Technical documentation
  • Maintenance planning
  • CMMS workflows
  • Sensors and instrumentation

Quality and Delivery

  • Git
  • GitHub
  • Vercel
  • CI checks
  • TypeScript typechecking
  • Unit testing
  • Playwright
  • Security review
  • Deployment verification
  • Technical documentation
08 / Experience

A timeline from engineering practice to product ownership.

Current
TT AUTO’S Engineering

Founder and Product Builder

Building an automotive intelligence platform and decision-support product system for used-car research.

  • Automotive intelligence platform
  • Technical content systems
  • Reliability and buying guidance
  • Diagnostic tools
  • Multilingual architecture
  • Product strategy
  • Deployment and iteration
2025
SOGEA Maroc / VINCI Construction

End-of-Studies Engineering Project

Predictive-maintenance project focused on industrial fault analysis and reliability workflows.

  • Predictive maintenance
  • Industrial fault analysis
  • FMEA
  • DMAIC
  • Sensor strategy
  • CMMS workflows
  • Reliability engineering
Experience
Castrol Auto Service Temara · Precision Auto · SOGEA Maroc

Automotive Technical Experience

Hands-on exposure to maintenance workflows, inspection, diagnostics, and industrial automotive-adjacent systems.

  • Vehicle maintenance
  • Diagnostics exposure
  • Garage operations
  • Technical inspection
  • Industrial systems
09 / Education

Automotive engineering foundation. Management horizon.

2020–2025

State Engineering Diploma in Automotive Engineering

International University of Rabat · School of Aerospace and Automotive Engineering

Two-year integrated preparatory cycle followed by a three-year engineering cycle, completed with an end-of-studies project in predictive maintenance.

Upcoming Master’s · 2026–2027

Technology and Engineering Management

Universitat Rovira i Virgili

Planned graduate study focused on engineering management, technology strategy, and innovation-driven technical leadership.

10 / Community

Building in public ecosystems.

The wording stays scoped to public projects and ecosystem participation until event-specific speaking evidence is confirmed.

Solana and Jupiter ecosystem

Community and ecosystem participation

Participating in and building around the Solana and Jupiter ecosystems through public projects, open-source contributions, hackathons, and technical product experiments.

Evidence policy
  • Kuala Lumpur ecosystem participation is kept intentionally general until public event details and role can be confirmed.
11 / About

A connected technical profile.

Automotive engineer and product builder creating diagnostic, analytics, and operational systems across automotive engineering, AI, and Solana.

The portfolio connects automotive and industrial systems, AI-assisted diagnostics, Solana infrastructure, and business execution through one operating idea: define the problem, inspect the evidence, and ship a usable product.

BaseMorocco
LanguagesArabic / Darija / French / English
MethodEvidence to product
EducationAutomotive Engineering Diploma · 2025
12 / Contact

Let’s build something technically useful.

Open to conversations around automotive technology, Solana infrastructure, product engineering, diagnostic systems, and technical collaborations.