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aliaskhan433

SHAHIS

@aliaskhan433

Junior Backend Engineer

Pakistan
Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
Hi, I'm Muhammad Shahis, a Java Spring Boot Backend Developer specializing in REST APIs, authentication, authorization, and backend development. I work with Java, Spring Boot, Spring Security, JWT, OAuth2, JPA/Hibernate, MySQL, PostgreSQL, React, Docker, and Git. I can fix Spring Boot bugs, develop REST APIs, implement JWT authentication, integrate Google OAuth2, connect React with Spring Boot, and troubleshoot database/API issues. I focus on clean, reliable, and maintainable solutions.... Lees meer

Skills

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aliaskhan433
SHAHIS
offline • 
Gemiddelde reactietijd: 1 uur

Bekijk mijn diensten

Bugfixes
I will fix spring security, jwt, and spring boot bugs
VanafUS$ 15 / projectMeer informatie
API en integraties
I will build java spring boot rest API for your web app
VanafUS$ 10 / projectMeer informatie

Portfolio

Werkervaring

Freelance

Freelance Blockchain Developer | Multi-Wallet System Project

Freelance • Freelance

Jun 2025 - Present • 1 yr 4 mos

Developed a multi-wallet blockchain system enabling users to generate multiple wallets from a single seed. Integrated support for 18+ chains, including 8+ EVM-compatible and several non-EVM networks like Solana. Implemented wallet creation, transaction processing, and blockchain interactions using Java and Web3j. Designed secure features including encrypted keys and multi-chain support, delivering the project within 3 months.