Senior Java Backend Engineer | Spring Boot | AWS | AI Automation Need a scalable backend or SaaS ...Senior Java Backend Engineer | Spring Boot | AWS | AI Automation Need a scalable backend or SaaS ...
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Senior Java Backend Engineer | Spring Boot | AWS | AI Automation
Need a scalable backend or SaaS product? I help startups build secure, high-performance applications from idea to production.
With 4+ years of experience, I specialize in Java, Spring Boot, Microservices, REST APIs, PostgreSQL, Redis, Kafka, Docker, AWS, React, and AI integrations.
I can help with:
• SaaS & MVP Development
• Backend APIs & Microservices
• AI Chatbots & Automation
• CRM/ERP Systems
• Payment Gateway Integration
• Authentication (JWT/OAuth2)
• Database Design & Optimization
• Performance Tuning
• Cloud Deployment (AWS)
• CI/CD & Docker
Why work with me?
✓ Clean, production-ready code
✓ Fast communication
✓ Scalable architecture
✓ Security-first development
✓ On-time delivery
https://junaid-hassan-frontend-developer-portfolio-498633200694.asia-southeast1.run.app/
Hello, I am a frontend developer with over 3 years of experience in internet development and design. I have worked on many projects with Figma, Funnelish, CheckoutChamp, Shopify, HTML5, CSS3, JavaScript, and React. I’m great at designing responsive, user-friendly & conversion-focused websites & landing pages. I also have experience with SEO, guest posting, backlink building, and Google indexing. Dedicated to clean design, responsive development, performance, and delivery of quality solutions based on customer requirements.
www.linkedin.com/in/junaid-hassan-126b9028b
DeskcommCRM — CRM de WhatsApp con Agente de IA
Implementación y configuración de un CRM de atención al cliente vía WhatsApp con agente de IA integrado: enrutamiento automático de conversaciones, seguimientos, base de conocimiento, gestión de casos y embudos de venta. Stack: Next.js, Supabase, WAHA (WhatsApp), Redis.