Backend Developer & AI-Powered Architect

Backend Developer & Architect with 6+ years of experience architecting scalable systems using Java, Spring Boot, and modern AI development tools. Expert in leveraging AI-powered development environments (Cursor, GitHub Copilot, Windsurf, Claude Dev, v0, Bolt) to accelerate full-stack delivery while maintaining code quality. Passionate about combining traditional backend excellence with cutting-edge AI tooling to solve complex business challenges.

6+
Years Experience
50+
Projects Completed
99%
Client Satisfaction
Md. Abid Hasan
Java
Java
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Spring
Spring
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Kotlin
Kotlin
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Python
Python
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React
React
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Next.js
Next.js
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TypeScript
TypeScript
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Tailwind
Tailwind
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GitHub Copilot
GitHub Copilot
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Cursor IDE
Cursor IDE
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Claude Dev
Claude Dev
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v0
v0
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PostgreSQL
PostgreSQL
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MongoDB
MongoDB
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Redis
Redis
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Kubernetes
Kubernetes
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Docker
Docker
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Git
Git
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What I Offer

Solutions I Can Build For You

From AI-enhanced development workflows to enterprise-scale systems, I deliver solutions that drive business growth and technical excellence

AI-Assisted Development Solutions
Accelerate your development with cutting-edge AI tools and workflows that boost productivity while maintaining code quality
  • Tech Stack:

    Cursor IDE, GitHub Copilot, Claude Dev, v0, Bolt, AI-powered workflows

  • Specialties:

    AI code generation, intelligent testing, automated documentation, smart debugging

  • Performance:

    40% faster development cycles, 25% reduction in bugs, enhanced code quality

High-Performance Backend Systems
Build scalable, robust backend solutions that handle enterprise-level traffic with optimal performance and reliability
  • Tech Stack:

    Java/Kotlin, Spring Boot, GraphQL, Redis, advanced caching

  • Specialties:

    RESTful APIs, GraphQL, authentication, microservices, performance optimization

  • Performance:

    Sub-5ms response times, 99.9% uptime, scalable to millions of users

Enterprise Architecture & DevOps
Design and implement modern cloud-native architectures with automated CI/CD pipelines and infrastructure as code
  • Tech Stack:

    Docker, Kubernetes, Spring Cloud, GitLab CI/CD, AWS/GCP

  • Specialties:

    Microservices design, service mesh, event-driven architecture, infrastructure automation

  • Performance:

    Zero-downtime deployments, auto-scaling, comprehensive monitoring

Technical Leadership & Team Scaling
Lead remote development teams with modern practices, AI-enhanced workflows, and scalable engineering processes
  • Tech Stack:

    Agile methodologies, remote collaboration, code review automation, AI tools integration

  • Specialties:

    Team mentoring, architecture guidance, process optimization, quality assurance

  • Performance:

    30% faster delivery, improved team productivity, reduced technical debt

Capabilities & Solutions

Comprehensive technical expertise across multiple domains and technologies

AI-Enhanced Development Workflows

Implement intelligent development pipelines with AI-assisted code generation, automated testing, and smart debugging that accelerate delivery by 40%

High-Performance API Solutions

Build lightning-fast APIs with sub-5ms response times, advanced caching strategies, and comprehensive monitoring for enterprise-scale applications

Scalable Microservices Architecture

Design and implement cloud-native microservices with event-driven patterns, service mesh, and auto-scaling capabilities for millions of users

Enterprise Payment & E-commerce Systems

Create secure, high-throughput payment platforms with 99.9% uptime, fraud detection, and seamless integration with multiple payment gateways

Real-time Data Processing & Analytics

Build real-time data pipelines with GraphQL subscriptions, streaming analytics, and intelligent recommendation engines that boost user engagement

Professional Journey

Work Experience

A journey through my professional growth, from junior developer to tech lead, specializing in backend development and AI-assisted engineering practices.

Tech Lead (Hybrid)

Current
hSenid Mobile Solutions PVT Limited
Dhaka, Bangladesh
April 2024 - Present
Remote
Tech Lead

Led cross-functional remote teams of 10+ engineers using Agile methodologies enhanced with AI-powered development tools (Cursor IDE, GitHub Copilot, Windsurf, Claude Dev, v0, Bolt), reducing time-to-market by 20% through intelligent code generation and automated testing

Architected microservices solutions using Spring Boot and Docker, leveraging AI-assisted development workflows for rapid prototyping and CI/CD pipelines with AI-enhanced code analysis, improving development velocity by 35% and achieving continuous deployment for 95% of releases

Mentored team members on AI-assisted development practices, establishing coding standards that combine traditional software engineering with modern AI tools, resulting in 15% improvement in code quality

Associate Tech Lead (Remote)

hSenid Mobile Solutions PVT Limited
Colombo, Sri Lanka
October 2022 - March 2024
Remote

Spearheaded adoption of modern development tools and practices across engineering teams, increasing team productivity by 25% and delivering full-stack solutions 30% faster

Designed and implemented GraphQL APIs with optimized schema design and efficient query generation, improving query performance and developer experience for multiple client applications

Established remote-first collaboration processes using Agile frameworks, GitLab workflows, and enhanced code review practices, successfully managing distributed teams across multiple time zones

Senior Software Engineer (Remote)

hSenid Mobile Solutions PVT Limited
Colombo, Sri Lanka
September 2021 - September 2022
Remote

Engineered high-performance Java applications for telecom clients using Spring Boot and Hibernate, achieving 400% improvement in query performance for 5G authentication servers

Built robust RESTful APIs with comprehensive monitoring and logging, supporting 10K+ concurrent users across MySQL, MongoDB, and MariaDB environments, and collaborated remotely with international teams using modern development tools and practices

Implemented advanced caching strategies and database optimization techniques, reducing system response times by 60% and improving overall application performance

Software Engineer

hSenid Mobile Solutions PVT Limited
Dhaka, Bangladesh
September 2019 - September 2021

Developed microservices architecture using Java and Spring Boot, implementing advanced caching strategies that reduced authentication server latency by 50%

Created custom payment gateway solutions with comprehensive API documentation and testing suites, improving transaction processing speed by 25%

Optimized complex SQL queries and implemented efficient caching algorithms using Docker and AWS, supporting scalable infrastructure for enterprise clients

Jr. Software Engineer (Android)

Field Buzz (Field Information Solutions GmbH)
Dhaka, Bangladesh
June 2018 - September 2019

Developed dynamic form builder library using Java and Android SDK, creating flexible UI components that adapted to backend configurations

Built Android applications using Java and Kotlin with focus on code quality and user experience, achieving 25% improvement in app stability

Collaborated with backend teams to design RESTful API integrations, gaining full-stack perspective that enhanced system design understanding

Technical Expertise

Technical Skills

Comprehensive expertise in backend technologies, with a focus on Java/Kotlin ecosystem and microservices architecture, plus modern AI development tools and cloud-native solutions.

Programming Languages
Java
Kotlin
Python
SQL
TypeScript
JavaScript
Frameworks & Backend
Spring Boot
Spring MVC
Hibernate/JPA
RESTful APIs
GraphQL
Microservices
Frontend Technologies
React
Next.js
Tailwind CSS
Databases & Storage
MySQL
PostgreSQL
MongoDB
MariaDB
Redis
AI Development Tools
GitHub Copilot
Cursor IDE
Windsurf
Claude Dev
v0
Bolt
AI-Assisted Code Generation
OpenAI APIs
DevOps & Cloud
Docker
Kubernetes
AWS
CI/CD
GitLab
Jenkins
Infrastructure as Code
Integration & Messaging
Apache Kafka
RabbitMQ
WebSockets
OAuth2
JWT
API Gateway
Event-Driven Architecture
Development & Collaboration
Git
IntelliJ IDEA
VS Code
Agile/Scrum
TDD
Remote Team Leadership
Code Review
Featured Work

Amazing Projects

Discover innovative solutions that showcase cutting-edge technology and creative problem-solving

Enterprise URL Shortener & Analytics Platform
Lead Backend Developer

Tech Stack

Java
Spring Boot
Redis
MySQL
+4 more

Challenge

Enterprise clients needed a scalable URL shortening service with detailed analytics, SSL certificate management, and sub-5ms response times for millions of daily requests

Solution

Built a microservices-based platform using Spring Boot, Redis caching, and advanced SSL interception. Implemented comprehensive analytics dashboard with real-time metrics and automated certificate management

Impact

Achieved sub-5ms response times, 95%+ test coverage, and 99.9% uptime. Handled 10M+ daily requests with zero downtime during peak traffic

M1-SDP Digital Office Middleware
Senior Backend Developer

Tech Stack

Java
Spring Boot
Spring Cloud
RabbitMQ
+3 more

Challenge

Telecom operator needed seamless integration between 6D billing system, OpenNet platform, and ECGS through REST APIs with event-driven architecture for real-time service provisioning

Solution

Designed and implemented a middleware solution using Spring Boot microservices with event-driven architecture. Created REST APIs for system integration and implemented comprehensive error handling and monitoring

Impact

Reduced service provisioning time by 60%, improved system reliability by 40%, and enabled real-time service activation across multiple platforms

Banking Recommendation System
Full-Stack Developer

Tech Stack

Java
Spring Boot
GraphQL
MongoDB
+4 more

Challenge

Bank needed an intelligent recommendation system to improve customer engagement by 15% through personalized product suggestions and real-time feedback processing

Solution

Built a microservices-based recommendation engine using Spring Boot and GraphQL. Implemented real-time feedback processing with GraphQL subscriptions and machine learning algorithms for personalized recommendations

Impact

Improved customer engagement by 15%, increased product adoption by 25%, and reduced customer churn by 10% through personalized recommendations

Payment Platform (IPGHutch)
Lead Backend Developer

Tech Stack

Java
Spring Boot
Spring Security
MySQL
+4 more

Challenge

Payment processor needed a high-throughput platform with 30% improvement in transaction success rates and 20% reduction in latency while maintaining security and fraud detection

Solution

Architected an enterprise payment platform with optimized API gateway design, advanced caching strategies, and real-time fraud detection algorithms. Implemented comprehensive monitoring and automated scaling

Impact

Achieved 30% improvement in transaction success rates, 20% reduction in transaction latency, and 99.9% uptime with zero security breaches

5G Authentication System Performance Optimization
Senior Software Engineer

Tech Stack

Java
Spring Boot
Redis
MySQL
+4 more

Challenge

5G authentication servers were experiencing 400% slower query performance, causing network congestion and poor user experience during peak hours

Solution

Implemented advanced caching strategies using Redis, optimized database queries, and redesigned the authentication flow. Added comprehensive monitoring and automated performance tuning

Impact

Achieved 400% improvement in query performance, reduced authentication latency from 2s to 50ms, and improved system reliability by 60%

AI-Enhanced Development Workflow Platform
Tech Lead & AI Integration Specialist

Tech Stack

Python
React
TypeScript
Node.js
+4 more

Challenge

Development teams needed to accelerate delivery by 40% while maintaining code quality through AI-assisted development workflows and automated testing

Solution

Built an AI-enhanced development platform integrating Cursor IDE, GitHub Copilot, and custom AI tools. Implemented automated testing, code generation, and intelligent debugging workflows

Impact

Accelerated development cycles by 40%, reduced bugs by 25%, and improved code quality through AI-assisted development practices

Recent Activities

Stay updated with my latest projects, contributions, and professional activities

Achievements & Recognition

Competitive programming excellence and technical achievements that showcase problem-solving expertise

Performance Optimization Expert
hSenid Mobile Solutions

Achieved 400% improvement in query performance for 5G authentication systems through advanced caching strategies, database optimization, and system tuning

2021-2024
System Debugging Expertise
Professional Development

Proficient in analyzing thread dumps, heap dumps, profiling data, and network packet captures (PCAPs) for root cause analysis

2019-Present
Remote Team Leadership
hSenid Mobile Solutions

Successfully led remote teams of 10+ engineers across multiple time zones using modern collaboration tools and Agile methodologies

2022-Present
AI Integration Pioneer
hSenid Mobile Solutions

Early adopter of AI development tools, establishing best practices for AI-assisted development workflows across engineering teams

2023-Present
Remote Work Excellence
Professional Achievement

5+ years of remote work experience with proven track record of delivering complex enterprise projects and maintaining high productivity

2019-Present
Get In Touch

Let's Work Together

I'm available for remote consulting, development work, and technical leadership roles. Let's discuss how I can help your business succeed.

My Services Include:

Custom backend development with Java/Kotlin/Spring
Microservices architecture design and implementation
Database optimization and performance tuning
Technical leadership and team mentoring
Code reviews and architecture consulting
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