Building Scalable Backend Systems That Power Millions of Users
Senior Cloud-Native Backend Engineer specializing in Laravel, Golang, Node.js, Kubernetes, and high-performance APIs — turning complex infrastructure problems into reliable, elegant systems.
Md. Sakir Ahmed
Senior Backend Engineer · Cloud-Native Architecture
I'm a senior backend engineer with a deep focus on distributed systems, microservices, and performance engineering. My work centers on taking systems under real production load and making them faster, more reliable, and easier to scale — not just building features, but building foundations.
Over the years I've led architecture for enterprise platforms, mentored development teams, and optimized APIs that serve tens of millions of requests daily. I care as much about clean, maintainable code as I do about uptime and throughput.
Industry experience: Telecom · Healthcare · GIS · Logistics · Restaurant Tech · Beauty & Ecommerce · Corporate Solutions
"I believe great software is built through simplicity, performance, reliability, and continuous improvement."
Tools I use to ship reliable systems
A stack chosen for performance, maintainability, and production reliability — refined over 5+ years of enterprise delivery.
Where I add the most value
Microservices Architecture
Decomposing monoliths into resilient, independently deployable services.
Cloud-Native Development
Designing systems built for elasticity, resilience, and portability.
Distributed Systems
Consistency, availability, and fault-tolerance at scale.
REST APIs
Clean, versioned, well-documented APIs that scale with demand.
Performance Optimization
Cutting latency and squeezing more from every server cycle.
Caching Strategies
Redis-backed caching layers that cut database load dramatically.
Database Optimization
Indexing, query tuning, and schema design for scale.
Event-Driven Systems
Asynchronous, queue-based processing with RabbitMQ.
CI/CD
Automated pipelines from commit to production.
Containerization
Docker and Kubernetes-native deployment patterns.
Scalable Architecture
System design that grows gracefully with user load.
Security
Secure-by-design backend systems and data handling.
A track record of scaling systems
Lead Software Engineer
- Built backend systems for MyGP serving over 30 million users
- Reduced API latency from 21 seconds to under 1 second
- Implemented Redis caching and asynchronous processing
- Designed Kubernetes-ready microservices
- Built zero-downtime deployment pipelines
- Optimized APIs, reducing database load by 60%
- Implemented Nginx edge caching for 10M+ daily requests
Senior Web Development Engineer
- Led backend architecture for the UNICEF GIS Dashboard
- Architected the secure BCPS eLogbook healthcare platform
- Managed a team of 10 developers
- Designed scalable enterprise architectures
Senior Web Development Engineer
- Provided technical leadership across projects
- Owned client communication and requirement scoping
- Led architecture planning and code reviews
- Mentored junior and mid-level engineers
Web Application Developer
- Delivered backend development on core products
- Conducted requirement analysis with stakeholders
- Built features in Laravel across multiple products
- Performed database optimization work
Systems built for scale, reliability, and real-world impact
MyGP
Enterprise telecom platform serving 30M+ users with high-availability microservices.
UNICEF GIS Dashboard
Interactive GIS visualization platform with API response optimized from 5s to 300ms.
BCPS eLogbook
Secure healthcare compliance platform built on a microservices architecture.
Shapla Transport
Online ticketing, parcel booking, fleet management, and a full customer/admin portal.
Visit site →New Shapla Transport
Modern transport booking platform with live reservations and parcel management.
Visit site →Restaurant Management System
Complete POS system for Suleman Restaurant covering inventory, kitchen, and billing.
Daniyal Restaurant ERP
Restaurant ERP handling billing, inventory, and sales analytics end-to-end.
Lias Beauty Box
Corporate ecommerce solution with inventory, order, and product management.
Visit site →Impact, measured
How I take a system from idea to production
Ask about my skills
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Notes on backend engineering
System Design
Scaling Laravel to Millions of Users
Architecture
Microservices Best Practices for Enterprise Systems
Performance
Redis Optimization Patterns That Actually Move the Needle
Infrastructure
Kubernetes for PHP Applications: A Practical Guide
APIs
Building High-Performance APIs Under Real Load
System Design
Trade-offs Nobody Tells You About in Distributed Systems
Let's Build Something Scalable Together.
Open to backend architecture roles, technical leadership, and consulting engagements — remote or on relocation.