Umar Jafar
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Umar Jafar Email & Phone Number

Certified Blockchain Developer at Upwork
Location: Lagos, Lagos State, Nigeria 2 work roles 1 school
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✓ Verified July 2026 3 data sources Profile completeness 86%

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Current company
Upwork
Role
Certified Blockchain Developer
Location
Lagos, Lagos State, Nigeria
Company size
69122 employees

Who is Umar Jafar? Overview

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Quick answer

Umar Jafar is listed as Certified Blockchain Developer at Upwork, a with 69122 employees, based in Lagos, Lagos State, Nigeria. AeroLeads shows a matched LinkedIn profile for Umar Jafar.

Umar Jafar previously worked as Digital Marketing Specialist at Upwork. Umar Jafar holds Bachelor Of Technology - Btech, Computer Programming, Specific Applications from Simplilearn Alumni.

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Upwork

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Profile bio

About Umar Jafar

As a developer, I have experiences in blockchain and frontend development. I have built many projects for clients on Upwork and Fiverr.

Current workplace

Umar Jafar's current company

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Upwork
Upwork
Certified Blockchain Developer
santa clara, california, united states
Website
upwork.com
Employees
69122
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2 roles

Umar Jafar work experience

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Certified Blockchain Developer

Current
Upwork

United States

Highly skilled Web3 and Blockchain Engineer. Certified in Solidity, Blockchain & NFT development.I have established a reputation as a quality programmer in the Web3 domain, with a focus on blockchain, thanks to my work on projects like Chainet Technology, Metaschool projects and training young programmers.I am now working on1. NFT Minting Engines and Smart Contract Audits.2. Individual Smart Contracts.3. Complex blockchain architecture and dApps.4 Marketplaces and Decentralized Exchanges • Metaverse/Sandbox Development.Area of Expertise:Smart Contracts development using SolidityWeb3 integrationUnit testing and testing using testnets such as Ropsten and Goerli networks.Metamask wallet integrationIn-depth knowledge of ERC20 & ERC721 Smart ContractsDeployment to main net using Infura.NFT contractToken/ coin ContractDefi EXchangeBEP1155TruffleNFT mintingOpensea mintingFrameworks & tools I use :React for UIEther JSHardhatMetaMask Wallet IntegrationMocha and Chai tests.MoralisDappDefiBSCMy three main success factors are progress, communication and honesty. Once I get started, I oversee the entire project from beginning to end.

Feb 2022 - Present

Digital Marketing Specialist

Upwork
Team & coworkers

Colleagues at Upwork

Other employees you can reach at upwork.com. View company contacts for 69122 employees →

CB Carla Boasso Carla Boasso Colleague at UpworkOristano, Sardinia, Italy View → EM Esraa Muhtadi Esraa Muhtadi Colleague at UpworkGaza, Gaza Strip, United States View → JD Jean-Christophe Dufau Jean-Christophe Dufau Colleague at UpworkSaint-Médard-De-Mussidan, Nouvelle-Aquitaine, France View → MU Muhammad Umar Ibrahim Muhammad Umar Ibrahim Colleague at UpworkLahore, Punjab, Pakistan View → TG Tattiana Gray Tattiana Gray Colleague at UpworkSalt Lake City, Utah, United States View → ST Sergey Tyan Sergey Tyan Colleague at UpworkAlmaty, Kazakhstan View → RA Rubel Ahmed Rubel Ahmed Colleague at UpworkDhaka, Bangladesh View → MJ Mary Jane D. Mary Jane D. Colleague at UpworkPhilippines View → RN Reez Ndukwe Reez Ndukwe Colleague at UpworkAbuja, Federal Capital Territory, Nigeria View → MJ Maryam Junaid Maryam Junaid Colleague at UpworkKarāchi, Sindh, Pakistan View →
1 education record

Umar Jafar education

FAQ

Frequently asked questions about Umar Jafar

Quick answers generated from the profile data available on this page.

What company does Umar Jafar work for?

Umar Jafar works for Upwork.

What is Umar Jafar's role at Upwork?

Umar Jafar is listed as Certified Blockchain Developer at Upwork.

Where is Umar Jafar based?

Umar Jafar is based in Lagos, Lagos State, Nigeria while working with Upwork.

What companies has Umar Jafar worked for?

Umar Jafar has worked for Upwork.

Who are Umar Jafar's colleagues at Upwork?

Umar Jafar's colleagues at Upwork include Carla Boasso, Esraa Muhtadi, Jean-Christophe Dufau, Muhammad Umar Ibrahim, and Tattiana Gray.

How can I contact Umar Jafar?

You can use AeroLeads to view verified contact signals for Umar Jafar at Upwork, including work email, phone, and LinkedIn data when available.

What schools did Umar Jafar attend?

Umar Jafar holds Bachelor Of Technology - Btech, Computer Programming, Specific Applications from Simplilearn Alumni.

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