r
rakibmihossain

Rakib Hossain

@rakibmihossain
4,9(19)

Level 1

Web3 Dapps, Smart Contract, Solidity, Nodejs, Python

Bangladesch
Urdu, Englisch, Bengalisch, Hindi
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I am a Web3 and software developer specializing in production-ready smart contracts and full-stack decentralized applications. I build secure Solidity contracts, automated trading bots, and scalable backend systems using Foundry, Python, FastAPI, and React. I have hands-on experience delivering tokens, presales, staking and farming systems, wallet tools, and end-to-end Web3 products from architecture to deployment. My focus is security, clarity, and systems that work in the real world, not demos.... Mehr lesen

Kompetenzen

r
rakibmihossain
Rakib Hossain
35 $/Stunde
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

Dezentrale Anwendungen (dApps)
I will build web3 dapps and automation scripts in python and javascript
4,9(11)
Dezentrale Anwendungen (dApps)
I will do web3 development in python, smart contracts, bots, dapps
5,0(3)

Möchtest du auf Stundenbasis arbeiten?

Erzähle Rakib Hossain, was du brauchst.

35 $

/

Stunde

Portfolio

Arbeitserfahrung

Backend & Web3 Engineer

Sompay • Freiberufler

Dec 2025 - Jan 20261 mo

Worked as a backend and Web3 developer on a fintech application that enables users to buy a stablecoin using fiat payment methods and manage tokens inside the platform. Key contributions: Built backend services using Django to handle user accounts, transactions, balances, and payment workflows Integrated fiat on-ramps including Stripe and Interac e-Transfer Designed an agent-based payment system where agents list supported payment methods, including mobile money providers Developed and deployed ERC20 smart contracts across Ethereum, Polygon, BSC, Arbitrum, Optimism, and Avalanche C-Chain Implemented internal custodial wallet logic allowing users to send tokens to other users within the platform (no external wallets) Built in-app token swapping between the platform token and USDC Integrated blockchain interactions using web3.py Wrote and tested smart contracts using Solidity with Foundry for testing and validation Ensured transaction integrity, security, and correct on-chain/off-chain synchronization

19 Bewertungen
4,9

(18)
(1)
(0)
(0)
(0)
Zusammensetzung der Bewertung
  • Kommunikation
    5
  • Qualität der Lieferung
    4,9
  • Preis-Leistungs-Verhältnis der Lieferung
    4,9
1–5 von 19 Bewertungen
Sortieren nach:
Am relevantesten
    R

    rajaraja643

    Wiederkehrender Kunde

    MA

    Marokko

    5

    Highly recommend 👌 thank you rakib agen perfect and fast work 👌 👏

    100 $-200 $

    Preis

    8 Tagen

    Dauer

    gig

    Dezentrale Anwendungen (dApps)

    Hilfreich?
    Ja
    Nein
    R

    rajaraja643

    Wiederkehrender Kunde

    MA

    Marokko

    5

    Highly recommend 👌 thank you rakib agen perfect and fast work 👌 👏

    100 $-200 $

    Preis

    5 Tagen

    Dauer

    gig

    Dezentrale Anwendungen (dApps)

    Hilfreich?
    Ja
    Nein
    D

    daechong364

    Wiederkehrender Kunde

    PA

    Panama

    5

    Thank You Rakib - Again, perfect and fast work!!! Thank you!

    Bis zu 50 $

    Preis

    5 Tagen

    Dauer

    gig

    Dezentrale Anwendungen (dApps)

    Hilfreich?
    Ja
    Nein
    D

    daechong364

    Wiederkehrender Kunde

    PA

    Panama

    5

    Rakib delivered an exceptionally complex and robust system for us. He built a full end-to-end solution that gracefully handles issues even when external components fail. The system includes PDF generation, unique hash calculation, blockchain storage, smart contract development, batch processing, and...

    Bis zu 50 $

    Preis

    13 Tagen

    Dauer

    gig

    Dezentrale Anwendungen (dApps)

    Hilfreich?
    Ja
    Nein
    A
    image-docs

    ayanlle252

    CA

    Kanada

    5

    Outstanding experience! This seller went above and beyond the scope of work and delivered far more than expected. Communication was clear, fast, and professional throughout the entire process. He paid attention to details, understood the requirements perfectly, and made sure everything was done properly....

    200 $-400 $

    Preis

    5 Wochen

    Dauer

    gig

    Dezentrale Anwendungen (dApps)

    Hilfreich?
    Ja
    Nein