Backend engineering
Build reliable, scalable, and secure backend systems for modern web and mobile products with 10 years of hands-on engineering experience.
10 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.
Client feedback
“I am extremely impressed with your work and professionalism. You are clearly very skilled and knowledgeable in your field, and it was a pleasure working with someone who is both smart and friendly. I am very happy with the outcome of our project and I will definitely hire you again for future work.”
“Completely satisfied with the overall result. Skilled and structured way of working, very fast feedback, reliable communication, and full recommendation.”
“He understood the task pretty quickly, completed it ahead of time, and delivered exactly what I needed. I highly appreciated his availability and communication throughout the work.”
“Another outstanding job. Brilliant work, excellent English, clear understanding of requirements, polite communication, and great reliability. We have already forwarded him another job.”
“It was a pleasure to work with Ashik. He finished the project very quickly and immediately responded to and solved any additional requests.”
“I have employed many freelancers since 2008, and Ashik is in the top group. He is polite, patient, professional, and focused on delivering the product—not just getting the work finished.”
“Good developer. He accomplished the task assigned to him. Recommended!”
“MD. Ashik solved my problems efficiently and with excellent quality!”
“The delivery was on time and the quality of the work was good.”
“MD. Ashik speaks fluently and has a good command of native Android.”
“Ash is not just a great programmer but an amazing guy. He is patient, nothing is ever a problem, and he is always available. I cannot recommend him highly enough.”
Backend engineering services focused on API architecture, cloud infrastructure, scalability, and production reliability for modern software products.
See selected backend and product case studies and professional experience.
