Software Development Engineer II at Craftsmen Ltd. with 5+ years building cloud-native, event-driven systems on AWS. I architect resilient microservices, tune them for scale, and mentor the engineers who run them. BSc in Electrical & Computer Engineering. Based in Dhaka, Bangladesh π§π©.
- π Building multi-tenant authentication & event-driven services with AWS Lambda, Step Functions, SQS & DynamoDB
- π± Deepening reliability engineering, observability, and performance tuning
- π€ Open to collaborating on cloud-native and serverless projects
- β‘ Fun fact: I turn β into scalable cloud solutions β and mentor engineers along the way
+ Architected cloud-native authentication service: 100K+ monthly requests, 30% latency reduction
+ Designed centralized multi-tenant auth, cutting client onboarding time by 50%
+ Achieved 99.9% uptime with AWS Step Functions, SQS & DynamoDB
+ Integrated Sentry & Lumigo monitoring β 40% lower MTTR, 25% less downtime
+ Led & mentored 3 engineers, improving delivery timelines by 20%
+ Accelerated feature delivery with AI-assisted tooling (GitHub Copilot)+ Migrated legacy workloads to serverless β 25% cost savings
+ Optimized database access patterns β 40% faster API responses
+ Built reusable React/TypeScript components β 30% faster releases
+ Introduced Jest testing β coverage 20% β 75%, 20% fewer bugsπ Deeper Technical Expertise
Microservices & Cloud Architecture
- Event-driven systems with AWS SQS, SNS & Step Functions
- Serverless microservices using Lambda & API Gateway
- Clean architecture & domain-driven design
- Multi-tenant authentication & authorization
Performance & Reliability Engineering
- 99.9% uptime across production systems
- Database optimization & query performance tuning
- Real-time observability with Sentry & Lumigo
- Incident response & MTTR reduction
Engineering Leadership
- Technical mentorship & team development
- Code reviews & engineering best practices
- TDD and CI/CD implementation
- Cross-functional collaboration with product teams



