What Java technologies does Syed Abdullah specialize in?

Syed Abdullah specializes in Java 8+, Spring Boot, Spring Framework, Microservices, REST APIs, Hibernate, JPA, Angular, PostgreSQL, and enterprise application development with 5+ years of experience.

Is Syed Abdullah available for remote Java development projects?

Yes, Syed Abdullah is available for remote Java development projects worldwide. He has extensive experience working with international clients and distributed teams, specializing in Spring Boot, Microservices, and full-stack development.

What industries has Syed Abdullah worked in as a Java developer?

Syed Abdullah has extensive experience in Fintech, Banking, Microfinance, Pharmaceutical, and Enterprise software development. He has worked on scalable solutions for financial institutions, healthcare, and business applications.

How can I hire Syed Abdullah for Java development services?

You can hire Syed Abdullah by contacting him directly at syedabdullahrahman@gmail.com or through his LinkedIn profile. He offers competitive rates and flexible engagement models for Java development projects.

What is Syed Abdullah's experience with Spring Boot and Microservices?

Syed Abdullah has 5+ years of hands-on experience with Spring Boot and Microservices architecture. He has built scalable enterprise applications, implemented API gateways, service discovery, and distributed systems for various clients.

Java Developer | Hire Expert Java Programmer | Spring Boot Developer

Senior Java Developer & Full Stack Software Engineer

🏆 5+ Years of Professional Java Development Experience

Why Choose Me as Your Java Developer?

Proven Track Record

Delivered 20+ successful Java projects across Fintech, Banking, and Enterprise sectors

Cutting-Edge Technology

Expert in latest Java technologies: Spring Boot 3.x, Java 17+, Microservices, Cloud-native development

Fast Delivery

Agile development approach with 99% on-time project delivery rate

Enterprise Security

Specialized in secure Java applications with OAuth2, JWT, and industry best practices

🎯 My Java Development Services

Spring Boot Applications - Enterprise-grade web applications
Microservices Architecture - Scalable distributed systems
REST API Development - High-performance web services
Full Stack Development - Java backend + Angular frontend
Database Integration - PostgreSQL, MySQL, MongoDB
Cloud Deployment - Azure, AWS, Docker, Kubernetes
Legacy System Migration - Modernize old Java applications
Performance Optimization - Speed up existing Java apps

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Java Developer Skills & Expertise

Comprehensive mastery of Java ecosystem and modern development practices

Core Java Technologies

Java 8+

Core Language

Spring Boot

Framework

Spring Framework

Enterprise

Spring Security

Authentication

Hibernate

ORM

JPA

Persistence

Backend & API Development

REST APIs

Microservices

API Gateway

Service Discovery

Event Driven

Frontend & Full Stack Technologies

Angular

TypeScript

JavaScript

HTML5

CSS3

Bootstrap

Database & Storage Technologies

PostgreSQL

MySQL

MS SQL Server

MongoDB

Redis

DevOps & Cloud Technologies

Azure

AWS

Docker

Kubernetes

Jenkins

Git

Testing & Quality Assurance

JUnit

Mockito

Selenium

SonarQube

TestNG

Development Tools & IDEs

IntelliJ IDEA Eclipse VS Code Maven Gradle Postman GitHub GitLab Jira Confluence Swagger

Featured Java Development Projects

🚀 Real-world Java applications built with Spring Boot, Microservices & Modern Architecture

20+ Projects Delivered

99% Client Satisfaction

5+ Years Experience

Ascend Financials - Java Spring Boot Microfinance Software Application

Enterprise Java

Ascend Financials - Microfinance Platform

Spring Boot Microservices PostgreSQL Angular

🏆 Leading microfinance software in Bangladesh - Built scalable Spring Boot microservices architecture serving 100+ financial institutions. Implemented core banking modules with advanced security and real-time processing.

Multi-tenant SaaS architecture

Real-time transaction processing

Advanced reporting with JasperReports

🌐 Live Demo

REST API

Secure Spring Boot REST API + JWT

Spring Boot JWT Security Swagger Rate Limiting

🔐 Production-ready REST API with JWT authentication, rate limiting using Bucket4j, comprehensive API documentation with Swagger, and external service integration. Deployed on Heroku with CI/CD pipeline.

JWT Authentication & Authorization

API Rate Limiting with Bucket4j

Interactive Swagger Documentation

🚀 Try API 💻 GitHub

AI-based Tic-Tac-Toe Game - Java Algorithm Implementation

AI Algorithm

AI-Powered Tic-Tac-Toe Game

Java Minimax Algorithm Alpha-Beta Pruning AI/ML

🤖 Intelligent game AI implementing Minimax algorithm with Alpha-Beta pruning optimization. Demonstrates advanced problem-solving skills and algorithmic thinking in Java development.

Minimax Algorithm Implementation

Alpha-Beta Pruning Optimization

Performance Analysis & Testing

📱 GitHub

Auth Server

KeyCloak Authentication Server

KeyCloak OAuth2 SSO RBAC

🔐 Enterprise authentication solution using KeyCloak for centralized identity management. Configured realms, roles, and authentication flows for multiple Java applications with SSO capabilities.

Multi-realm User Management

OAuth2 & OpenID Connect

Role-Based Access Control

🔗 Auth Server

Todo Management System - Spring Boot MVC Application with CSRF Protection

Spring MVC

Todo Management + CSRF Protection

Spring MVC CSRF Token JPA Auditing Thymeleaf

🛡️ Secure web application built with Spring Boot MVC, implementing Synchronizer Token Pattern to prevent CSRF attacks and duplicate form submissions. Features JPA auditing and responsive UI.

CSRF Protection Implementation

JPA Auditing for Data Tracking

Responsive Web Design

📝 Live Demo

20+ More Java Projects

Explore my complete portfolio of Java applications, microservices, and enterprise solutions

🐙 View All on GitHub 📂 Request Full Portfolio

20+

Java Projects Delivered

5+

Years Experience

99%

Client Satisfaction

24/7

Support Available

📚 Featured Technical Blogs

🧠 Deep-dives into Java, Spring Boot, Security, and System Design topics published on Medium

Professional Java Developer Experience

🚀 5+ Years of hands-on Java development across multiple industries

Senior Java Developer @ weyp AG

AI/ML Software Solutions

Oct 2023 – Present

Key Achievements:

Developed enterprise mail crawler using Jakarta Mail API
Built ML/NLP pipelines for PDF data extraction
Implemented Named Entity Recognition systems

Technologies Used:

Java Spring Boot Jakarta Mail ML/NLP PDF Processing

Senior Java Developer @ lexoro Group

Pharmaceutical SaaS Solutions

Jun 2021 – Sep 2023

Key Achievements:

Designed multi-tenant SaaS pharmaceutical data collectors
Led requirement engineering and system design
Maintained 100% code quality using SonarQube
Deployed on Heroku & Azure DevOps

Technologies Used:

Java Spring Boot Microservices Multi-tenant SonarQube Azure DevOps

Java Software Engineer @ Southtech Limited

Banking & Microfinance Solutions

Apr 2019 – Oct 2021

Key Achievements:

Key contributor to Banking & Microfinance platform
Achieved 100% bug-free delivery rate
Automated testing with Selenium & RPA
Reduced manual QA effort by 60%

Technologies Used:

Java Spring Framework Hibernate JUnit Selenium PostgreSQL

B.Sc. Computer Engineering

Military Institute of Science and Technology (MIST)

Graduated 2018

Academic Projects:

AI Tic-Tac-Toe - Minimax & Heuristics
Color Clustering with Machine Learning
Data Crawling & Web Scraping

Achievements:

Champion - Intra-MIST Programming Contest 2018
Runner-up - IEEE Innovation Challenge 2018

Ready to work with me?

🚀 Let's build something amazing together! I'm currently AVAILABLE for new Java development projects and ready to start immediately.

Fast Delivery

Quick turnaround times with agile development

100% Quality

Clean, maintainable, and bug-free code

24/7 Support

Ongoing support and maintenance

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