Why Hire Me
9+ years building backend systems for SaaS products, mobile platforms, and enterprise workflows.
Strong API design skills across REST and GraphQL with clean contracts, auth, and versioning.
Deep database experience in PostgreSQL and Redis with practical schema, indexing, and query optimization.
Production-focused architecture mindset with observability, structured logs, and performance tuning.
Hands-on CI/CD and cloud delivery experience across AWS services, containers, and release automation.
Clear communication and ownership from architecture and implementation to deployment and support.
Tech Stack
Backend Engineering
- Node.js
- NestJS
- Express
- TypeScript
- Authentication and authorization
- REST and GraphQL API design
Data and Messaging
- PostgreSQL
- Redis
- Elasticsearch
- Schema design and migrations
- Query optimization and indexing
- Event-driven workflows
Cloud and DevOps
- AWS (EC2, Lambda, S3, CloudFront)
- Docker
- Kubernetes (EKS)
- CI/CD pipelines
- Monitoring and observability
- Release automation
Client Testimonials
"I am extremely impressed with your work and professionalism. You are clearly very skilled and knowledgeable, and it was a pleasure working with someone who is both smart and friendly."
"Completely satisfied with the overall result. Skilled and structured way of working, very fast feedback, reliable communication, and full recommendation."
"He understood the task quickly, delivered before time, and the result was exactly according to my need."
"It was a pleasure to work with Ashik. He finished the project very quickly and immediately responded to additional requests."
"Another outstanding job. Excellent English, clear understanding of requirements, polite communication, and great reliability."
"I have employed many freelancers since 2008 and Ashik is in the top group: polite, patient, professional, and focused on delivering the product."
Frequently Asked Questions
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Backend engineering services focused on API architecture, cloud infrastructure, scalability, and production reliability for modern software products.
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