
Usaid Siddiq
FullStack Developer
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Werkervaring
Full-Stack Developer
US Nexora Technologies • Fulltime
Mar 2024 - Present • 2 yrs 6 mos
Full-Stack Developer (FinTech) Over the past 2.5+ years, I have developed, deployed, and maintained mission-critical web applications for the banking and financial technology sectors. Key Responsibilities & Achievements: Production Banking Platforms: Architected and successfully shipped live 4+ software platforms using React.js, Node.js, and SQL, ensuring 99.9% uptime and high security standards. Third-Party API Integrations: Integrated over 50+ external APIs (including payment gateways, identity verification, and banking microservices) into existing client systems with minimal latency. Real-Time Data Communication: Built scalable real-time monitoring and transaction updates using WebSockets and Socket.io. Database Optimization: Structured and optimized complex PostgreSQL and MySQL databases to handle high-frequency transactional data reliably.