Tech Lead & Backend Expert
With 6+ years of experience building scalable systems using Java, Kotlin, Spring, and microservices architecture. Bringing a relaxed yet professional approach to remote consulting and development.
Technical Expertise I Offer
As a senior developer, I provide high-quality code and robust architecture for complex technical challenges
- Tech Stack: Java/Kotlin, Spring Boot, JPA/Hibernate
- Specialties: RESTful APIs, authentication, caching
- Performance: Optimized for high throughput and low latency
- Tech Stack: Docker, Kubernetes, Spring Cloud
- Specialties: Service discovery, API gateways, event-driven design
- Performance: Scalable, resilient, and maintainable systems
- Tech Stack: Code reviews, architectural decision records, TDD
- Specialties: Agile, Scrum, DevOps, CI/CD pipelines
- Performance: Developer upskilling and technical guidance
Technical Achievements
Database Optimization
Reduced query response time from 2s to 50ms by implementing advanced indexing and query optimization
Microservices Migration
Refactored monolithic application into 12 microservices, improving deployment frequency from monthly to daily
High-Load Systems
Built authentication system handling 5000+ requests/second with 99.99% uptime using caching and load balancing
Code Quality
Implemented CI/CD pipelines with automated testing that reduced bugs in production by 80% and improved code coverage to 90%
Work Experience
Tech Lead
hSenid Mobile Solutions PVT Limited, Remote
- Oversaw cross-functional development teams, fostering a culture of collaboration and innovation through Agile methodologies
- Coordinated project timelines and deliverables using Agile sprints, achieving a 20% reduction in time-to-market
- Mentored team members on advanced technical skills, driving a 15% improvement in code quality
Associate Tech Lead
hSenid Mobile Solutions PVT Limited, Remote
- Led cross-functional teams using Agile frameworks, optimizing workflows and boosting productivity by 25%
- Implemented Agile methodologies in project management, improving team efficiency by 25%
- Successfully led a team of 10 engineers, achieving a 25% reduction in project completion time
Senior Software Engineer
hSenid Mobile Solutions PVT Limited, Remote
- Developed high-performance, Java-based applications for telecom and IPG clients
- Led a team designing 5G authentication servers, achieving a 400% boost in query performance
- Integrated RESTful APIs with diverse databases ensuring data integrity and system stability
Software Engineer
hSenid Mobile Solutions PVT Limited, Dhaka, Bangladesh
- Implemented advanced caching strategies, reducing latency and boosting performance by 50%
- Engineered a custom in-house payment gateway using Java and microservices architecture
- Implemented microservices architecture using Docker and AWS, supporting 10,000+ concurrent users
Jr. Software Engineer (Android)
Field Buzz (Field Information Solutions GmbH), Dhaka, Bangladesh
- Delivered a core form builder library enabling auto form generation via back-end configurations, leveraging Java and Android SDK
- Implemented a functional form builder library, using Android components to auto-generate forms from backend data configurations
- Developed an adaptive form builder using backend data, improving the flexibility and scalability of Android UI components by 25%
- Developed and debugged Android applications using Java and Kotlin, contributing to a 25% increase in app stability and user engagement
Technical Skills
Comprehensive expertise in backend technologies, with a focus on Java/Kotlin ecosystem and microservices architecture.
Recent Activities
Stay updated with my latest projects, contributions, and professional activities
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