Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Blockchain Full-Stack Developer with 8+ years of experience building scalable Web3 applications and distributed systems. Specialized in Node.js backend development, Solidity smart contracts, and EVM-based blockchain architectures, with hands-on experience delivering production systems for NFT platforms, cryptocurrency wallets, digital identity solutions, loyalty platforms, IoT integrations, and financial blockchain products. Experienced in designing secure APIs, microservice architectures, and blockchain-enabled backend systems, using technologies such as Node.js, NestJS, Express, MongoDB, PostgreSQL, GraphQL, Angular, and Solidity. Strong understanding of cryptography, authentication systems, and decentralized infrastructure. Proven ability to lead technical projects, collaborate with global remote teams, and deliver complex systems in Agile environments. Research background in Blockchain, IoT, and configurable computing, with 10 academic publications in conferences and journals. Entrepreneurial experience includes leading an IoT startup that deployed a LoRaWAN network trial in Ontario, Canada. Familiar with Layer-3 blockchain stacks, Arbitrum Nitro, and Rollup-as-a-Service (RaaS) ecosystems. Passionate about building secure, scalable decentralized infrastructure and real-world blockchain applications.…Blockchain Full-Stack Developer with 8+ years of experience building scalable Web3 applications and distributed systems. Specialized in Node.js backend development, Solidity smart contracts, and EVM-based blockchain architectures, with hands-on experience delivering production systems for NFT platforms, cryptocurrency wallets, digital identity solutions, loyalty platforms, IoT integrations, and financial blockchain products. Experienced in designing secure APIs, microservice architectures, and blockchain-enabled backend systems, using technologies such as Node.js, NestJS, Express, MongoDB, PostgreSQL, GraphQL, Angular, and Solidity. Strong understanding of cryptography, authentication systems, and decentralized infrastructure. Proven ability to lead technical projects, collaborate with global remote teams, and deliver complex systems in Agile environments. Research background in Blockchain, IoT, and configurable computing, with 10 academic publications in conferences and journals. Entrepreneurial experience includes leading an IoT startup that deployed a LoRaWAN network trial in Ontario, Canada. Familiar with Layer-3 blockchain stacks, Arbitrum Nitro, and Rollup-as-a-Service (RaaS) ecosystems. Passionate about building secure, scalable decentralized infrastructure and real-world blockchain applications.

Ahmad Sghaier Omar

Full Stack Developer, Blockchain Developer, Back-End Developer, +2





Blockchain Full-Stack Developer with 8+ years of experience building scalable Web3 applications and distributed systems. Specialized in Node.js backend development, Solidity smart contracts, and EVM-based blockchain architectures, with hands-on experience delivering production systems for NFT platforms, cryptocurrency wallets, digital identity solutions, loyalty platforms, IoT integrations, and financial blockchain products. Experienced in designing secure APIs, microservice architectures, and blockchain-enabled backend systems, using technologies such as Node.js, NestJS, Express, MongoDB, PostgreSQL, GraphQL, Angular, and Solidity. Strong understanding of cryptography, authentication systems, and decentralized infrastructure. Proven ability to lead technical projects, collaborate with global remote teams, and deliver complex systems in Agile environments. Research background in Blockchain, IoT, and configurable computing, with 10 academic publications in conferences and journals. Entrepreneurial experience includes leading an IoT startup that deployed a LoRaWAN network trial in Ontario, Canada. Familiar with Layer-3 blockchain stacks, Arbitrum Nitro, and Rollup-as-a-Service (RaaS) ecosystems. Passionate about building secure, scalable decentralized infrastructure and real-world blockchain applications.…Blockchain Full-Stack Developer with 8+ years of experience building scalable Web3 applications and distributed systems. Specialized in Node.js backend development, Solidity smart contracts, and EVM-based blockchain architectures, with hands-on experience delivering production systems for NFT platforms, cryptocurrency wallets, digital identity solutions, loyalty platforms, IoT integrations, and financial blockchain products. Experienced in designing secure APIs, microservice architectures, and blockchain-enabled backend systems, using technologies such as Node.js, NestJS, Express, MongoDB, PostgreSQL, GraphQL, Angular, and Solidity. Strong understanding of cryptography, authentication systems, and decentralized infrastructure. Proven ability to lead technical projects, collaborate with global remote teams, and deliver complex systems in Agile environments. Research background in Blockchain, IoT, and configurable computing, with 10 academic publications in conferences and journals. Entrepreneurial experience includes leading an IoT startup that deployed a LoRaWAN network trial in Ontario, Canada. Familiar with Layer-3 blockchain stacks, Arbitrum Nitro, and Rollup-as-a-Service (RaaS) ecosystems. Passionate about building secure, scalable decentralized infrastructure and real-world blockchain applications.

Available to hire

Blockchain Full-Stack Developer with 8+ years of experience building scalable Web3 applications and distributed systems. Specialized in Node.js backend development, Solidity smart contracts, and EVM-based blockchain architectures, with hands-on experience delivering production systems for NFT platforms, cryptocurrency wallets, digital identity solutions, loyalty platforms, IoT integrations, and financial blockchain products.

Experienced in designing secure APIs, microservice architectures, and blockchain-enabled backend systems, using technologies such as Node.js, NestJS, Express, MongoDB, PostgreSQL, GraphQL, Angular, and Solidity. Strong understanding of cryptography, authentication systems, and decentralized infrastructure.

Proven ability to lead technical projects, collaborate with global remote teams, and deliver complex systems in Agile environments. Research background in Blockchain, IoT, and configurable computing, with 10 academic publications in conferences and journals.

Entrepreneurial experience includes leading an IoT startup that deployed a LoRaWAN network trial in Ontario, Canada. Familiar with Layer-3 blockchain stacks, Arbitrum Nitro, and Rollup-as-a-Service (RaaS) ecosystems.

Passionate about building secure, scalable decentralized infrastructure and real-world blockchain applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Arabic

Fluent

French

Beginner

Work Experience

Lead Backend Developer at Mentaport / Kintek

February 1, 2024 - Present

Lead backend development for a content authentication platform; built a microservice-based backend using a service architecture with Prisma, PostgreSQL, and Redis; wrote unit and integration tests using Mocha and Chai.

Lead Backend Developer at 3Mint Inc

February 1, 2023 - January 31, 2024

Lead backend development for a NFT loyalty platform; built backend on NestJS, Prisma, PostgreSQL and Redis; wrote unit and integration tests with Mocha/Chai; migrated existing NFT contracts to support multi-tenant architecture and dynamic NFT metadata.

Lead Solidity & Blockchain Developer at Blockchain Foundry

December 1, 2020 - January 31, 2023

Led Solidity and blockchain development for NFT-related projects; launched 5+ NFT projects; tech lead for a LastKnown NFT launchpad using MEAN stack; integrated Web3 SDKs; designed multi-tenant NFT framework with accounts abstraction and smart contract integrations (ERC4337, ERC2981, ERC4906, ERC712, ERC6454).

Full Stack Blockchain Developer at Fairom Inc

May 1, 2019 - November 30, 2020

Full Stack Blockchain Developer; built back-end with MEAN stack and integrated crypto-exchange APIs (CoinSquare, Binance, Gemini); developed across-platform crypto wallet and NFT collectible card game using ERC721; API integrations.

Blockchain Specialist at Demystyfy Tech

July 1, 2018 - April 30, 2019

Blockchain Specialist; led blockchain-related architecture for IoT devices; designed token mechanics and use cases; advised on ICO regulatory processes with Ontario Security Commission.

Blockchain Solutions Architect at Intelligent Mechatronic Systems (IMS)

September 1, 2017 - May 31, 2018

Defined and developed blockchain solution for IoT insurance product; advised on token design and minting use cases; led discussions with regulators; started blockchain discussions within IMS.

Co-Founder / IoT Solutions Architect at SpeakIoT

May 1, 2016 - March 31, 2018

Defined the company mission and vision; built the business model and partnerships; prepared pitches and RFP responses; led discussions with the City of Guelph on Smart Parking and IoT trials; organized test network deployment in Southern Ontario.

Head of Strategic Programs at Libya Post and Telecom Company (LPTIC)

August 1, 2008 - August 31, 2014

Led major strategic programs and vendor diversification; drove network modernization; managed RFP processes; coordinated with TM Forum and other standards bodies; oversaw cross-group collaboration and vendor relationships.