Available for new opportunities
Md Sanwar Hossain
Software Engineer (Backend) | Java & Spring Boot | Angular
Software Engineer focused on backend and distributed systems, with 2+ years of experience delivering production-grade enterprise platforms. I build resilient Spring Boot microservices, design secure and maintainable REST APIs, and ship cloud-ready solutions with strong emphasis on performance, scalability, and clean architecture.
About Me
Passionate engineer building scalable systems — from enterprise ERP to agentic AI
Hi! I'm Md Sanwar Hossain
Software Engineer (Backend) · Java & Spring Boot · Angular
I bring 2+ years of hands-on engineering experience at BRAC IT Services Limited, where I progressed from intern to Software Engineer — delivering business-critical features for enterprise procurement and ERP systems across live client engagements.
My core strengths are Spring Boot microservices, API and integration architecture, and cloud-native deployment workflows — with a strong emphasis on clean, maintainable code that holds up under real production load.
What I Bring to the Table
Core Java, Spring Boot, Spring Framework, RESTful APIs, Groovy/Grails
Angular, React, TypeScript, JavaScript ES6+, HTML5/CSS3
PostgreSQL, Redis, optimized query design, complex data flows
Docker, Kubernetes, Helm, CI/CD pipelines, microservices architecture
Agentic AI design patterns, LLM integration, intelligent system exploration
SOLID principles, TDD, design patterns, Agile/Scrum, clean code
Professional Experience
Engineering impactful enterprise solutions across ERP, procurement, and cloud-native systems
BRAC IT Services Limited
Gulshan, Dhaka, Bangladesh · On-site
Software Engineer Full-time
Jul 2024 – Present · 1 yr 8 mos
- Developed and enhanced large-scale ERP procurement & tender management features using Spring Boot, Groovy, and Grails, resolving production issues and optimizing application performance
- Delivered multiple backend modules for Plan International and BRAC Procurement & eTender, end-to-end from requirement analysis and business process mapping through production deployment
- Built mission-critical features: Vendor Enlistment, Supplier Debarment, Framework Agreements, Direct Purchase Orders, Delegation of Authority, and Planned Requisitions
- Implemented REST API integrations between BRAC Marketplace and BRAC ERP, and designed scalable domain models with transactional business logic for complex procurement workflows
- Gained deep domain expertise in BPD, HCMP, and procurement workflows, applying SOLID principles and design patterns to keep the codebase clean and maintainable
- Improved performance with caching strategies, optimized queries, and container-based deployment
- Led the Grails version migration from 2.5.3 to the latest stable release, with ongoing Spring Boot backend modernization
Tech Stack & Tools
Software Engineer (Intern) Internship
Apr 2024 – Jun 2024 · 3 mos
Contributed to three core enterprise systems, gaining hands-on full-stack experience from day one.
- Student Management System (CRUD): Built the full-stack solution using Spring Boot APIs and Angular front-end, delivering a critical data management platform
- ERP Tendering System: Led the Angular front-end design using Modern JavaScript (ES6+), preparing for seamless Spring Boot back-end integration
- Smartphone Management System: Implemented new features and maintained system protocols
- Managed collaborative development using Git version control and Jira for sprint tracking
- Self-acquired React skills for internal tooling and rapid prototyping
Fiverr
United States · Remote
Search Engine Optimization Consultant
Mar 2020 – Jun 2020 · 4 mos
Delivered tailored SEO strategies for IT Tech Kingdom, boosting search visibility and organic traffic.
- Conducted comprehensive keyword research and competitor analysis to identify growth opportunities
- Implemented on-page optimization strategies—metadata, content structure, and internal linking
- Executed link-building campaigns to increase domain authority
- Elevated search engine rankings, delivering measurable improvement in targeted organic traffic
Education
Academic foundation that bridges computer science theory with real-world engineering practice
Noakhali Science and Technology University
Institute of Information Technology (IIT)
Bachelor of Science – Software Engineering
Final-Year Research
Investigated technical debt in AI-generated code versus community-driven solutions (e.g., Stack Overflow)—exploring code quality, maintainability metrics, and sustainable software design in the age of generative AI.
Core Academic Competencies
Technical Expertise
Technologies, frameworks, and best practices I use to engineer reliable, scalable solutions
Frontend Development
7 skillsBackend Development
7 skillsMicroservices & Architecture
6 skillsCloud & DevOps
4 skillsAI & Intelligent Systems
5 skillsDevelopment Practices
6 skillsTools & Platforms
5 skillsHow I Work
A consistent engineering approach applied from requirement analysis through production monitoring
Requirements & Architecture
Translate business requirements into domain models and API contracts, weighing trade-offs before writing implementation code.
Implementation & Code Quality
Build with Spring Boot and Angular following SOLID principles, design patterns, and test-driven development for maintainable code.
Review & Testing
Peer code review, unit/integration test coverage, and API verification with Postman before anything reaches staging.
Deploy & Monitor
Ship through CI/CD pipelines to containerized environments, then monitor performance and iterate based on production signals.
My Projects
A curated selection of enterprise delivery, product builds, research, and open-source work presented in a premium portfolio format.
Latest on GitHub
Live repository activity, pulled directly from the GitHub API on every visit — not a static list
Featured LinkedIn Posts & Articles
Stay connected with my latest thought leadership, engineering insights, and professional updates presented in an executive-style content showcase.
Follow my LinkedIn for fresh engineering insights and career milestones.
Explore articles, quick takes, and professional updates on backend engineering, AI-enabled delivery, architecture, and career growth.
Read my latest blog posts and articles on Agentic AI, Software Development, Core Java, DevOps, Microservices, and System Design
Cornerstone guides for priority topics
These deep-dive tutorials are the strongest entry points into the blog and cover the highest-value topics with practical examples, architecture trade-offs, and production context.
Model Context Protocol (MCP) Developer Guide
Custom AI tools, secure MCP server design, and production integration patterns.
Java + AISpring AI Framework with Spring Boot
Build LLM-powered Java applications with RAG, tool calling, and streaming.
MicroservicesAdvanced Design Patterns in Microservices
Circuit breaker, saga, CQRS, outbox, and resilience patterns with Spring Boot.
Software DevClean Code & Maintainability
Real-world maintainability guidance for Java teams shipping production systems.
Core JavaJava 25 LTS Complete Migration Guide
Value types, string templates, structured concurrency, and upgrade planning.
System DesignDesigning a Stock Exchange at Scale
Order books, matching engines, market data feeds, and low-latency trade-offs.
Explore all articles or visit the blog homepage to browse by category.
Visit Blog HomepageOpen to Roles
Actively exploring backend and full-stack engineering opportunities that match this profile
Based in Dhaka, Bangladesh · open to remote and relocation conversations.
Live Java & Spring Boot Openings
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Looking to build or modernize a backend platform? Let’s connect and discuss how I can contribute.
Let's Work Together
I work with teams on backend architecture, microservices delivery, and production readiness—from solution design to deployment.