Hafijur Rahman

Backend Engineer

PHP (Laravel) · Node.js (NestJS) · MySQL · REST APIs · Docker · Kubernetes · AWS

Dhaka, Bangladesh

Professional summary

Backend Engineer with 8+ years building and scaling HRIS, ERP and marketplace platforms on PHP (Laravel), MySQL and Node.js (NestJS, Express), exposed through versioned REST APIs. Experienced in event-driven architecture and containerized delivery with Docker, Kubernetes, AWS and GitHub Actions CI/CD. Builds React and Next.js frontends alongside backend services, and has delivered a two-sided marketplace with real-time booking and payments. Leads Agile squads through code reviews, automated testing (PHPUnit, PHPStan) and close collaboration with product and stakeholders to ship on schedule.

Professional experience

Lead Software Engineer · Robi Axiata

Jul 2026 – Present

Lead backend architecture for enterprise HRIS platforms, applying Repository, Service Layer and Event-Driven Architecture patterns across product lines.
Drive REST API design with OAuth2/JWT authentication and own Docker and GitHub Actions CI/CD pipelines for a 4-engineer squad.
Develop Demand360, a demand management platform with AI-generated BRDs and OpenProject REST API integration for task creation and status sync.
Redesigned the User Access Management (UAM) permission system using backed PHP enums and an Artisan sync command, simplifying page and permission registration.
Build recruitment platform features, including automated interviewer slot-assignment notifications.
Containerize career portal and HRIS APIs with Docker, resolving networking, key-management and PHP version issues across Laravel environments.

Lead Software Engineer · Red.Digital Limited

Mar 2022 – Jun 2026

Architected enterprise HRIS platforms for 4,000+ users using modular Repository, Service Layer and Event-Driven patterns for maintainable, scalable code.
Designed versioned RESTful APIs with OAuth2/JWT authentication and rate limiting, cutting third-party integration time by 35%.
Delivered client platforms including Robi Axiata's Facility Service Desk and banking HRIS for Jamuna Bank, City Bank and IDCOL.
Led a 4-engineer Agile squad through pull request reviews, PHPStan static analysis and automated tests, delivering on time across 12+ consecutive sprints.
Automated CI/CD pipelines with Docker and GitHub Actions, reducing deployment time by 40%.
Collaborated with product owners and client stakeholders to define requirements and break initiatives into sprint-ready tasks.

Senior Software Engineer · Tikweb

Nov 2019 – Mar 2022

Led development of Coachsome, a two-sided coaching marketplace with Stripe payments and Redis-cached search.
Built full-stack applications with Laravel and Nuxt.js, plus reusable Vue component libraries from Figma designs, cutting frontend rework by 30%.
Integrated Quickpay payments and Google Maps API with webhook validation, achieving zero payment discrepancies.
Deployed Directus headless CMS, cutting content update cycles by 60%, and Dockerized development environments to bring developer onboarding under 2 hours.

Assistant Software Engineer · Ambala IT

May 2018 – Oct 2019

Built HRMS/ERP modules (Leave, Payroll, Bonus, Transfers), eliminating 15+ hours per week of manual HR data entry.
Optimized payroll database queries, cutting peak-load latency by 45%.
Implemented role-based access control (RBAC) and AES encryption to meet compliance requirements.

Key projects

Demand Solution: Demand Management Platform

REST API, OpenProject API, AI integration

Built a platform for demand submission, assessment and approval, serving as the source of truth for demand workflows.
Integrated AI to generate Business Requirement Documents (BRDs) from submitted demands, automating requirement drafting.
Consumed the OpenProject REST API to create implementation tasks from approved demands and sync delivery status back, selecting OpenProject after evaluating it against Plane.

Robi FSD: Facility Service Desk

Team Lead | Laravel, Next.js, Redis, Laravel Horizon, Docker

Delivered Vehicle, Security and Visitor Management modules for 5,000+ daily users across 50+ branches.
Built a Redis/Horizon queue-based notification engine that cut response time by 40%; integrated HR4U, raising self-service adoption by 65%.

Banking HRIS: Jamuna Bank, City Bank, IDCOL

Team Lead | Laravel, MySQL, PostgreSQL, Filament, RBAC

Delivered HRMS covering payroll, tax and audit reporting, with AES-256 encryption for Bangladesh Bank compliance.
Built multi-tier approval portals that cut HR support tickets by 50%.

Coachsome: Sports Coaching Marketplace

Lead Developer | Laravel, Nuxt.js, Vue.js, Stripe, Redis

Built a two-sided marketplace with real-time booking and Stripe payments, onboarding 1,000+ coaches at launch.
Implemented Redis-cached search, achieving sub-100ms response times.

Naba ERP: HR & Payroll Platform

Backend Engineer | Laravel, MySQL, REST API, Docker

Built a configurable payroll engine for 1,200+ employees; a plugin-style modular architecture cut feature delivery time by 50%.

Technical skills

Backend: PHP (Laravel), Node.js (NestJS, Express), TypeScript, JavaScript (ES6+), Go, Python
Databases: MySQL, PostgreSQL, Oracle, Redis; SQL schema design, query optimization, indexing
APIs & Architecture: RESTful API, Event-Driven Architecture, OAuth2, JWT, Sanctum, WebSockets, OpenAPI/Swagger
DevOps & Cloud: Docker, Kubernetes, AWS (EC2, S3, RDS), CI/CD, GitHub Actions, Bitbucket, Nginx
Frontend: React, Next.js, Vue.js 3, Nuxt.js, Inertia.js, Alpine.js, HTML5, CSS3, Tailwind CSS, Bootstrap
Testing & Quality: PHPUnit, PHPStan, automated testing, code review
Tools & Methods: Git, JIRA, Filament, Agile/Scrum
Domains: Marketplaces, HRIS/HRMS, ERP, Fintech, Banking

Education

B.Sc. (Hons) in Computer Science & Engineering

Bangladesh Institute of Science & Technology (BIST), Dhaka

2011 – 2017

Certifications

Foundations of Project Management, Google / Coursera