Hi, my name is

Musa.
I build backend
systems that scale.

Backend Software Engineer with 8+ years of experience building scalable, production-grade systems across healthcare, media, e-commerce, and inventory domains using PHP/Laravel, Golang, JS, and AWS. Specialized in RESTful API design, distributed systems, multi-tenant architecture, and performance optimization.

Get In Touch View Blog →
musa@dhaka: ~ 
$ whoami --stack

>_ About Me

Backend Software Engineer with 8+ years of experience building scalable, production-grade systems across healthcare, media, e-commerce, and inventory domains using PHP/Laravel, Golang, JavaScript, and AWS. Specialized in RESTful API design, distributed systems, multi-tenant architecture, and performance optimization in product-driven environments.

Currently building at Pivotly (US-based, remote), and previously spent time at Silicon Orchard Ltd., multibrand INFOTECH Ltd., IT Grow Division Ltd., and Unitech Engineers Group. I hold a B.Sc. in Computer Science & Engineering from Daffodil International University (2017).

Dhaka, Bangladesh Remote-first musamuhmmad.cse@gmail.com

>_ Technical Skills

▣ Languages & Frameworks

PHPGoJavaScript LaravelGin

◧ API & Communication

RESTgRPC

▤ Databases & Storage

MySQLPostgreSQLMongoDB RedisElasticsearchDynamoDB

◈ Cloud & AWS

EC2ECSEKS LambdaS3RDS SQSSNSAPI Gateway CloudFrontIAMCloudWatch Route 53VPCALB

⊞ DevOps & Infrastructure

DockerKubernetesTerraform GitHub ActionsGitLab CI/CDNginx LinuxPrometheusGrafana OpenTelemetryELK StackSentry

⊡ Architecture & Patterns

MicroservicesEvent-DrivenClean Architecture DDDCQRSSOLID KafkaRabbitMQOAuth 2.0 JWTRBAC

⊠ Testing & Performance

PHPUnitGo TestingTestify TDDQuery OptimizationRedis Caching Connection PoolingLoad Balancing

◉ AI & LLM Tools

CursorChatGPTClaude

>_ Where I've Worked

  • Pivotly
  • Silicon Orchard
  • multibrand INFOTECH
  • IT Grow Division
  • Unitech Engineers

Software Engineer @ Pivotly

Nov 2025 — Present  ·  USA (Remote)

  • Architected a production-grade multitenant doctor portal using PHP/Laravel, JS, and Golang — implementing distributed system principles across multi-tenant architecture, load balancing, and message queuing.
  • Designed and optimized 100+ RESTful APIs across patient, appointment, and claim services, achieving up to 88% query reduction through systematic profiling and database indexing.
  • Engineered a zero-downtime migration of 15M+ activity log records to an archived database, reducing primary database size and improving query performance.
  • Engineered complex backend features including dynamic scheduling, automated ledger reporting, and event-driven webhook delivery systems.

Go · Laravel · JS · AWS · PostgreSQL · Docker

Software Engineer @ Silicon Orchard Ltd.

Nov 2021 — Oct 2025  ·  Dhaka, Bangladesh

  • Built and optimized RESTful APIs for a video platform and an AI-driven B2B media discovery platform, integrating Redis caching, AWS S3 for media storage/streaming, and Amazon Comprehend for automated metadata extraction and content classification.
  • Developed core HR management system modules including payroll processing, employee lifecycle management, and role-based access control; managed payroll for 100+ employees.
  • Contributed to backend development of an e-commerce platform, building scalable RESTful APIs with a focus on clean architecture and maintainability.

PHP · Laravel · AWS · Redis · PostgreSQL

Full Stack Developer @ multibrand INFOTECH Ltd.

Dec 2019 — May 2020  ·  Dhaka, Bangladesh

  • Built and delivered backend-heavy web applications using PHP and PostgreSQL, including a server-side version check system that triggers automatic client updates on first daily login for zero-touch software rollouts across all users.

PHP · PostgreSQL · JavaScript

Programmer @ IT Grow Division Ltd.

May 2018 — Jun 2019  ·  Dhaka, Bangladesh

  • Contributed to the backend development of a trading platform supporting 20,000+ daily active users, improving system stability and reliability while delivering new feature modules and bug fixes.

PHP · MySQL

Web Developer @ Unitech Engineers Group

Jan 2016 — Mar 2018  ·  Dhaka, Bangladesh

  • Built and maintained diverse web applications including e-commerce platforms, POS systems, and corporate websites — notably an Education Management System (EMS) that served 3,000+ students.

PHP · MySQL · JavaScript

>_ Education & Certifications

B.Sc. in Computer Science & Engineering

Daffodil International University, Dhaka, Bangladesh. May 2014 – Apr 2017.

#CS  #Engineering

🎓

HackerRank Golang Certification

Validated proficiency in Go programming, including core concepts, data types, collections, interfaces, data structures, and problem-solving.

#Golang  #Certification

✓

>_ Latest Writing

2026-05 Backend Communication Design Patterns: Request-Response, Pub/Sub, SSE & Sidecar #system-design
2026-03 Debugging a Silent Data Integrity Bug in an Artisan Migration Command #laravel
2026-02 Consistent Hashing, Explained the Way I Wish Someone Had Explained It to Me #system-design
Read all posts →

What's Next?

Get In Touch

I'm always open to new opportunities — whether you have a question, an interesting project, or just want to talk system design.

Say Hello

musamuhmmad.cse@gmail.com  ·  +8801821326978  ·  Dhaka, Bangladesh