Services Offered by MD Faiz Rabbani

As a professional with strong technical skills, practical experience in full-stack and backend development, and a track record of building scalable, high-uptime platforms, I offer the following services to clients on Jobbers.io:

1. Custom Web Application Development

Backend Architecture & APIs: I design and build robust backend systems using Java, Spring Boot, Hibernate / Spring Data JPA. I specialize in RESTful APIs, optimizing database queries (PostgreSQL), implementing caching (Redis, Ehcache), to deliver high performance and low latency.

Frontend Integration: I integrate backends with modern frontends using React, ensuring responsive UIs, clean UX, and efficient state management.

2. Scalable Systems & Microservices

I design systems using microservices architecture, deploying with Docker & Kubernetes, ensuring your application can scale with growing load, maintain high availability, and handle concurrent users efficiently.

Monitoring, load testing, ensuring reliability, and handling real-world traffic spikes are part of what I do.

3. Search, Indexing & Complex Query Optimization

Integrating tools like Elasticsearch for fast, full-text, faceted search across large datasets (e.g. real estate listings), improving search speed and relevance.

Performance tuning of SQL databases (PostgreSQL), query optimizations, indexing strategies.

4. Authentication, Security & Payment Systems

Secure user authentication with Spring Security, JWT token-based systems; enforcing authorization, role based access.

Integrations with payment providers (e.g. PayPal or others) and ensuring secure, reliable transaction flows.

Ensuring data protection, secure handling of user credentials, and compliance with best practices.

5. Cloud & DevOps Support

Deployment of applications on cloud environments (AWS or similar), setting up services like object storage (S3), container registries, Kubernetes clusters.

Automated CI/CD pipelines; containerization; managing environments for dev/test/prod.

6. Entrepreneurial / Educational Support & Consulting

Offering mentorship, code review, technical guidance for teams or individuals building technology solutions.

Advising on system design (Low Level Design, High Level Design), architecture decisions for scalable applications.

Helping startups or small businesses build MVPs (Minimum Viable Products) quickly, with best practices.

Why Choose My Services?

Proven impact: Reduced backend latency, optimized payment success rates, maintained 99.9% uptime in prior platforms.

Full lifecycle support: From idea to deployment—design, development, testing, deployment, and maintenance.

Focus on scalability & performance: Not just delivering features but ensuring they can handle real usage loads.

Clean, secure & maintainable code: Emphasis on code quality, security, best practices.