Abdul Bari

Senior Software Engineer · Full-Stack

7+ years building scalable backend systems and modern web applications. Specialized in PHP, Laravel, Node.js, NestJS, React.js, and Docker-based deployments — with strong expertise in microservices, API development, and leading remote teams across UK, US, and UAE.

Khulna, Bangladesh
m.abdulbari1987@gmail.com
+880 1715-144456
linkedin.com/in/abdul-bari
github.com/theabdulbari
pixelpalais.com
Chat on WhatsApp
Experience
Software Development Team Lead
Doorsec Security Services LLC — Dubai, UAE (Remote)
Jan 2023 – Present
  • Led end-to-end SDLC — architecture planning, database design, backend APIs, frontend development, and cloud deployment on AWS/DigitalOcean.
  • Designed modular backend architecture using NestJS/Laravel with RBAC, JWT/OAuth2 authentication, and data encryption for enterprise-grade security.
  • Integrated ZKTeco biometric SDK and real-time online attendance tracking, deployed across 300+ employees simultaneously.
  • Built automated payroll system covering attendance-based salary calculation, tax deductions, overtime, and payslip generation — reducing manual HR tasks by 70%.
  • Established Git branching strategies, CI/CD pipelines, and coding standards, streamlining deployment and maintaining high code quality across teams.
  • Supervised and mentored cross-functional developers and QA engineers, enforcing Agile best practices and ensuring timely, reliable delivery.
  • Managed event management modules for internal scheduling, participation tracking, and notifications while collaborating with stakeholders to align technical execution with business goals.
LaravelAWSJWT/OAuth2DockerRBACCI/CDAgileMicroservicesMySqlPayrollClickatellTwilioLoad Balancer
Senior Programmer
Polyuno — Khulna, Bangladesh (Hybrid)
Dec 2024 – Jun 2025
  • Integrated new features into large-scale web platforms, improving functionality, user experience, and overall system performance.
  • Analyzed and resolved complex code issues, optimizing structure and ensuring long-term stability across production environments.
  • Refactored and maintained codebases following industry best practices, improving readability, scalability, and maintainability.
  • Collaborated with cross-functional teams to design and deliver clean, efficient solutions aligned with project requirements and deadlines.
  • Ensured smooth functionality across deployments by performing thorough testing, debugging, and post-release monitoring.
Node.jsLaravelReactNest.jsAPIJWT/OAuth2CI/CDAgileMicroservicesElasticsearch
Senior Software Engineer · Team Lead
TYM Soft LTD — Plymouth, UK (Remote)
Mar 2021 – Sep 2024
  • Led development team end-to-end — from project planning and database relationship design to architecture structuring and final delivery across multiple concurrent projects.
  • Architected and implemented microservices-based backend systems, decoupling core modules for independent scaling, deployment, and fault isolation.
  • Configured load balancing across application servers ensuring high availability, zero-downtime deployments, and consistent performance under heavy traffic.
  • Delivered diverse enterprise platforms — CRM, OMS, e-commerce, and client portals — using multiple frameworks tailored to each project's technical requirements.
  • Enforced development standards, Git workflows, and code review processes across the team, ensuring maintainable, scalable, and well-documented codebases.
LaravelReact.jsNode.jsCRMOMSCodeigniterMicroservicesMySqlRedisCI/CDAgileNode.jsRest APIGoogle APILoad BalancerMongoDB
Senior Programmer
Flick Media Ltd. — London, UK (Hybrid)
Oct 2016 – Mar 2021
  • Planned and designed scalable application architectures and complex database relationships tailored to the specific needs of each project.
  • Developed and maintained backend systems across multiple projects simultaneously, adapting to different frameworks and technology stacks as required.
  • Translated business requirements into clean, efficient code structures — ensuring long-term maintainability and ease of future development.
  • Designed and optimized relational database schemas, improving query performance and ensuring data integrity across high-traffic applications.
  • Applied consistent coding standards and best practices across diverse projects, contributing to stable, well-documented, and scalable codebases.
PHPLaravelReact.jsVanila jsERPCodeigniterMicroservicesMySqlRedisCI/CDAgileNode.jsRest APIGoogle API
Senior Programmer
Korea MTS Ltd. — Dhaka, BD
Oct 2014 – Oct 2016
  • Led development team in planning, designing, and building application structures and database relationships from the ground up across multiple projects.
  • Delivered diverse enterprise platforms including CRM, OMS, e-commerce, and client portals using varied frameworks suited to each project's requirements.
  • Oversaw full development lifecycle — from requirement analysis and database schema design to coding, testing, and deployment.
  • Maintained high code quality and team productivity by enforcing structured workflows, design patterns, and development best practices across all projects.
PHPLaravelVanila jsERPCodeigniterMySqlRedisCI/CDAgileRest APIGoogle API
Technical Skills
Backend
PHP · Laravel · CodeIgniter
Node.js · NestJS · Golang
Python
Frontend
React.js · Alpine.js
Tailwind CSS · Livewire
Django Templates
Databases
MySQL · PostgreSQL
MongoDB · SQLite
Elasticsearch
Cloud & Infra
AWS (EC2, S3, RDS)
Docker · DigitalOcean
CI/CD Pipelines
Architecture
Microservices
RESTful APIs
Scalable Systems
Tools & Mobile
Git · GitLab · JIRA
Socket.IO · Trello
Flutter
Education
Bachelor of Science, Computer Science
Daffodil International University — Dhaka, Bangladesh
BSc CS
Projects
Accounting, Payroll & Staff Management System ↗
doorsec.me
LaravelPayrollBarcodeEvents
  • 100% customized site built on the Laravel framework.
  • Implemented complex commission calculations with variable rates per service provider.
  • Check-in through barcode readers.
UK Logistics & Removals Marketplace ↗
trustyourmove.com
Laravel React.js CRM Microservices MySQL Redis REST API
  • Built a full-stack UK logistics marketplace connecting customers with verified removal companies via CRM platforms.
  • Architected microservices backend with Redis caching and load balancing to handle high-traffic concurrent bookings at scale.
  • Integrated Google Maps API for postcode-based company search, distance calculation, and route planning.
  • Delivered via CI/CD pipelines using Laravel, Node.js, React.js, and MySQL following Agile practices.
B2B Sales Automation Platform ↗
salesmix.com
Laravel Elasticsearch Redis REST API Microservices AWS
  • Built backend modules — CRM, lead enrichment, email sequencing, auto follow-ups, warmup engine, and multi-channel campaign management.
  • Engineered high-throughput email delivery with auto-rotation and validation, supporting 4.5M+ personalized emails and 300K+ positive replies.
  • Developed REST API layer integrating 10+ third-party tools including Zapier, Mailchimp, and Keap for seamless sales automation workflows.
  • Optimized backend architecture powering 6,847+ sales sequences that generated over $60M in pipeline for clients worldwide.
Business Mailbox Management System ↗
masterinbox.com
Nodejs Nestjs Elasticsearch Redis REST API Microservices
  • Designed microservices architecture for independent scaling and deployment.
  • Built real-time sync for 30,000+ mailboxes across Smartlead, HeyReach & LinkedIn.
  • Developed REST API & webhooks integrating HubSpot, Salesforce & 10+ tools.
  • Established CI/CD pipelines with automated testing and zero-downtime releases.
Languages
English
Fluent
Bengali
Native