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Hadi – Rust, Solana, GCP, experts in Lemon.io

Hadi

From Turkeyflag

Blockchain Engineer|Strong senior

Hadi – Rust, Solana, GCP

Hadi is a strong senior blockchain engineer with deep expertise in Solana and Rust, demonstrated through production smart contract development and backend services. He shows strong security awareness, architectural skills, and a product-focused mindset, with practical experience in UX-driven protocol improvements. Screenings confirm his clear communication, adaptability, and ownership in startup and client-facing environments. He holds certifications in Linux networking and LLM operations.

16 years of commercial experience in
Blockchain
Product management
Software development
Main technologies
Rust
8 years
Solana
4 years
Additional skills
GCP
REST API
Web 3.0
Cryptography
Blockchain
Smart contracts
AWS
Linux
Ansible
Microservices
MySQL
Node.js
MariaDB
LLM
YOLO
Networking
AI agent development
Direct hire
Possible
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Experience Highlights

Lead Blockchain Developer
Dec 2021 - Jan 20264 years 1 month
Project Overview

The project is focused on helping companies and government organizations scale their AI data operations through a proprietary data provenance engine. It provides end-to-end data solutions, including data sourcing, annotation, and RLHF (Reinforcement Learning from Human Feedback), ensuring high-quality and traceable datasets for AI model development. The platform is built on a blockchain-based infrastructure, enabling transparency, data integrity, and verifiable data origins within the ecosystem.

Responsibilities:
  • Designed and delivered Solana smart contracts for production systems;
  • Developed Rust-based backend services to support blockchain integrations;
  • Built reliable, high-performance infrastructure across on-chain and off-chain components;
  • Implemented backend microservices and contributed to overall system design;
  • Managed DevOps processes to ensure scalability and operational stability;
  • Took ownership of complex technical challenges and delivered scalable solutions;
  • Contributed to architecture decisions, security improvements, and system reliability.
Project Tech stack:
Rust
Solana
Redis
Microservices
Linux
AsyncAPI
Web 3.0
Ansible
AWS
GCP
Smart contracts
Cryptography
REST API
Blockchain
Rust & Blockchain Developer
Apr 2021 - Dec 20218 months
Project Overview

The project aimed to build a platform for crowd-sourcing investments in Initial Coin Offerings (ICOs). It was designed to enable users to participate in token sales in a structured and transparent way, while providing secure transaction handling and efficient capital distribution mechanisms. The platform focused on facilitating compliant, scalable, and user-friendly participation in early-stage blockchain fundraising initiatives.

Responsibilities:
  • Developed Solana smart contracts using Rust for production environments;
  • Built reliable and secure blockchain logic to support on-chain functionality;
  • Integrated on-chain programs with frontend applications to ensure seamless user interactions;
  • Collaborated on system design to connect blockchain components with client-facing features;
  • Ensured smart contracts were optimized for performance and reliability.
Project Tech stack:
Solana
Rust
Smart contracts
Full-Stack Developer
Dec 2019 - Mar 20211 year 2 months
Project Overview

The project involved building a shopping website along with crawling bots to collect product data from multiple sources. The platform aimed to provide users with a comprehensive view of available products, pricing, and availability. The crawling bots automated data extraction, ensuring up-to-date and accurate information, while the website offered a user-friendly interface to browse, compare, and interact with the collected data efficiently.

Responsibilities:
  • Designed and developed key technical components of the platform;
  • Built and maintained the web crawler to collect product data from multiple sources;
  • Implemented a data cleaning pipeline to ensure accurate and structured information;
  • Integrated payment gateways for secure transactions;
  • Developed backend and full-stack components to support platform functionality;
  • Ensured reliability, scalability, and maintainability across all systems.
Project Tech stack:
Rust
MySQL
Web API
Project Manager
Jan 2018 - Jan 20202 years
Project Overview

The project focused on developing a telemedicine platform to connect patients with healthcare providers remotely.

Responsibilities:
  • Led the telemedicine project end-to-end as both Project Manager and Product Owner;
  • Took full responsibility for the product across iOS, Android, Web, design, and backend development;
  • Managed the entire product lifecycle, from planning to delivery;
  • Coordinated technical execution across multiple teams to ensure alignment and efficiency;
  • Ensured reliable integration between the platform and health devices for accurate data collection and processing;
  • Oversaw overall delivery, quality, and operational reliability of the platform.
Project Tech stack:
Rust
MariaDB
Android
Axios
WebRTC
HealthKit
Lead Back-end Developer
Dec 2016 - Dec 20171 year
Project Overview

The project was a media streaming system for hotels, designed to receive TV channels from DVB-T, DVB-S, and DVB-C sources and deliver them to in-room set-top boxes over the internal IP network. Its key features included channel ingest, stream processing, multicast delivery, and reliable distribution of media content to guest rooms, ensuring high-quality and uninterrupted viewing experiences.

Responsibilities:
  • Built the streaming server to receive DVB-T, DVB-S, and DVB-C channels;
  • Implemented multicast delivery of TV channels over the internal IP network;
  • Designed and developed the core backend and streaming logic;
  • Ensured system stability, efficiency, and reliability for network-based broadcast distribution;
  • Optimized performance to support high-quality and uninterrupted media delivery to in-room set-top boxes.
Project Tech stack:
Rust
Node.js
FFmpeg

Education

2010
Network
LPIC-1
2024
Foundations of Local Large Language Models
Certificate
2024
Rust for Large Language Model Operations
Certificate

Languages

English
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