Available for senior engineering roles | · Open to On-site, Hybrid & Remote

Portfolio · 2026 Full-Stack · Backend · Cloud

Engineering production systems from architecture to deployment.

I'm Dileep Kumar, a Senior Software Engineer with six years of experience designing, building, and shipping web applications used in real business environments. My work spans backend services and APIs, database design and optimization, frontend integration, third-party systems, and production deployment on AWS and Linux infrastructure.

I work comfortably across PHP and Laravel, Node.js with TypeScript, Python with FastAPI and Django, and React-based frontends — selecting the right stack for maintainability, performance, and delivery constraints rather than defaulting to a single framework.

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Backend · Node.js · Python · PHP/Laravel MySQL · PostgreSQL · MongoDB AWS · Linux · cPanel · GitHub

Dileep Kumar Senior SWE

Full-Stack Engineering Karachi, Pakistan

Engineering Profile Production-focused

Primary Stack Multi-framework

Experience 6+ YRS

Backend · Frontend · APIs · Databases Payment Integrations · AWS · cPanel · Deployment

6+ YRS Production Engineering Web applications & backend systems

3 Backend Ecosystems PHP · Node.js · Python

4 Database Systems MySQL, PostgreSQL, MongoDB, Redis

Servers Cloud & Server Deployment AWS · cPanel · Shared Hosting · Linux

How I Work

Engineering strengths & approach

I approach software as a production discipline: clear boundaries, reliable data models, maintainable code organization, and deployment paths that teams can operate confidently. Whether greenfield architecture or refactoring a legacy monolith, I prioritize systems that remain understandable six months after launch.

Backend & API design

RESTful APIs, service boundaries, authentication flows, webhooks, and third-party integrations — built with Laravel, Express/TypeScript, or FastAPI depending on product requirements.

Database engineering

Schema design, indexing strategy, query optimization, caching with Redis, and data integrity across MySQL, PostgreSQL, and MongoDB workloads.

Frontend integration

React.js interfaces, JavaScript application logic, and responsive UI built to consume backend APIs cleanly — with attention to state management and maintainable component structure.

Deployment & operations

AWS infrastructure, Linux server administration, Docker containers, Git workflows, CI/CD pipelines, and cPanel-based production hosting with security and availability in mind.

Chapter 01 / Technical Expertise

Production tooling & engineering stack

Technologies I use in active production work — not a exhaustive badge list, but the systems I engineer with daily.

01 hub

Backend Engineering

Server-side application logic, API layers, authentication, business rules, and integration with external services across multiple runtime environments.

Node.js / TypeScript Python / FastAPI PHP / Laravel Core PHP Django Express.js RESTful APIs

Focus: Services, integrations, business logic

02 layers

Frontend Engineering

User-facing interfaces and client-side logic that connect to backend APIs — built for clarity, responsiveness, and long-term maintainability.

React.js JavaScript ES6+ HTML5 / CSS3 Bootstrap 5 jQuery API consumption

Focus: UI integration, client state

03 database

Data & Cloud

Relational and document databases, caching layers, AWS cloud services, and the infrastructure required to run applications reliably in production.

MySQL PostgreSQL MongoDB Redis AWS EC2 / S3 RDS / Lambda Route 53 / IAM

Focus: Schema design, query tuning, hosting

04 rule_settings

Architecture & DevOps

System design patterns, modular code organization, version control, containerization, and deployment workflows that keep teams shipping safely.

Modular monoliths Microservices Webhooks AI integrations Git / GitHub Docker CI/CD Linux / cPanel

Focus: Structure, delivery, maintainability

System Design

Architecture patterns I apply

Modular monoliths — domain-driven module boundaries within a single deployable unit, keeping cognitive overhead low while preserving clear separation of concerns. I organize Laravel, Node.js, and Python codebases using both layered and vertical-slice (module) structures depending on team size and product complexity.

Microservices & distributed systems — decoupled services with independent databases, RESTful gateways, message queuing, and service-to-service communication when product scale and team structure justify the operational cost.

Legacy modernization — refactoring existing PHP and Laravel applications for maintainability, improving database performance, and establishing reliable deployment paths without unnecessary rewrites.

Chapter 02 / Field Reports

Selected engineering work

Problems I've worked on in production — the constraints, technical decisions, and engineering outcomes drawn from my professional experience.

Case Study 01 / Product Backend Engineering

FleekBiz · 2025 — Present

Multi-product backend systems across Node.js, Python, and Laravel

The problem

Product engineering across multiple application lines required backend services that could evolve independently — different products needed different runtime strengths, shared data integrity, and consistent API patterns without creating a fragile monolith that blocked parallel development.

My role & approach

As a product department engineer, I architect and build scalable backend systems using Node.js with TypeScript, Python with FastAPI, and PHP with Laravel. This includes designing high-concurrency database schemas, optimizing SQL and NoSQL queries, implementing RESTful API layers, and integrating workflow automation and AI-assisted development tools to improve engineering velocity and code quality.

Technical decisions

Stack selection per product constraint rather than framework uniformity. Structured service boundaries with clear API contracts. Database design focused on query patterns and indexing strategy. Integration patterns for third-party services and internal tooling.

Node.js / TypeScript Python / FastAPI PHP / Laravel RESTful APIs MySQL / PostgreSQL AI integrations

Engineering scope

Backend architecture Service design, API contracts, data models

Database optimization Schema design, query tuning, concurrency

Cross-stack delivery Node.js, Python, and PHP in production

Case Study 02 / Custom Enterprise Delivery

82 Solutions · 2021 — 2025

Custom web applications, admin systems, and legacy refactoring

The problem

Client-facing custom software projects required end-to-end delivery — from backend logic and database design through admin interfaces, deployment, and ongoing reliability — often starting from legacy PHP codebases or greenfield requirements with tight business timelines.

My role & approach

As Assistant Manager in the custom department, I directed and contributed to backend engineering using Core PHP and Laravel. I managed end-to-end cloud deployments and cPanel hosting environments, supervised cross-functional teams, led client technical discussions, and refactored legacy database architectures for performance and maintainability.

Technical decisions

Database schema redesign where query patterns had outgrown original structures. Separation of admin and public application layers. Deployment workflows on cPanel and Linux servers with security hardening. Incremental refactoring of legacy code rather than risky full rewrites when business continuity was critical.

PHP / Laravel Core PHP MySQL PostgreSQL cPanel / Linux React.js

Engineering scope

Full delivery ownership Backend, database, admin UI, deployment

Team leadership Client discussions, cross-functional coordination

Legacy modernization Refactoring, database optimization, reliability

Case Study 03 / API & Integration Layer

Cross-role · Ongoing

RESTful APIs, third-party integrations, and service connectivity

What I build

Backend API modules that connect web applications to external services — payment gateways, communication platforms, workflow automation tools, and AI-assisted development integrations. API design with clear resource modeling, authentication handling, error contracts, and webhook processing.

Engineering focus

Reliable integration patterns that handle failure gracefully: retry logic, idempotent operations, structured logging for debugging production issues, and database persistence that keeps external system state consistent with internal records.

RESTful APIs Webhooks Third-party integrations Node.js / Laravel / FastAPI Redis caching

Chapter 03 / Selected Works

What I build

Production systems, backend services, APIs, and custom software built across my engineering career.

2025 — 2026

Backend Systems & Cloud Applications

Building and maintaining scalable backend systems, REST APIs, and database-driven applications using Node.js, PHP/Laravel, and Python, with hands-on work across MongoDB, MySQL, PostgreSQL, and AWS cloud environments.

Node.js PHP / Laravel Python MongoDB MySQL PostgreSQL AWS

2023 — 2025

Web Applications, APIs & Admin Systems

Developed and maintained business applications, REST APIs, and administrative systems using Node.js and PHP/Laravel, with Python-based development, MySQL database integration, GitHub workflows, and cPanel-based deployment and server management.

Node.js PHP / Laravel Python MySQL REST APIs Admin Systems GitHub cPanel

2021 — 2023

PHP & Laravel Web Development

Built and maintained web applications and backend modules using PHP, CodeIgniter, and Laravel, with MySQL database development, cPanel-based hosting and server management, and GitHub for source control and collaborative development.

PHP CodeIgniter Laravel MySQL cPanel GitHub

Chapter 04 / Career Trajectory

Professional experience

Six years across product engineering, custom software delivery, and backend development — with increasing scope in architecture, team coordination, and production ownership.

2025 — Present

FleekBiz

Laravel Developer, Product Department Karachi, Pakistan

▸Architecting scalable backend systems and RESTful APIs using Node.js (TypeScript), Python (FastAPI), and PHP (Laravel) across primary product lines.
▸Designing high-concurrency database schemas, optimizing complex SQL and NoSQL queries, and implementing distributed application logic.
▸Integrating workflow automation platforms and AI-assisted development tools to accelerate engineering workflows and improve code quality standards.

2021 — 2025

82 Solutions

Assistant Manager, Custom Department Karachi, Pakistan

▸Directed custom backend engineering projects using Core PHP and Laravel for client enterprise applications across diverse business domains.
▸Managed end-to-end cloud deployments and cPanel server hosting environments, ensuring high availability and system security.
▸Supervised cross-functional teams, led client technical discussions, and refactored legacy database architectures for performance.
▸Delivered custom websites and admin systems with database design, query optimization, and seamless cross-functional integration.

2021

HnH Tech Solutions

PHP Laravel Developer Trainee, Part-Time Karachi, Pakistan

▸Developed core backend logic, routing systems, and database migrations for internal software tools using PHP Laravel.
▸Supported senior engineering team in testing, code optimization, and module implementation for small-scale projects.

2019 — 2020

Ask Development (PTCL)

Technical Customer Support Representative Karachi, Pakistan

▸Managed enterprise technical support operations for PTCL services, focusing on structured issue resolution and service satisfaction.
▸Independently advanced software engineering expertise during this period — building the foundation for subsequent backend development roles.

Background

Education & training

2014 — 2018

B.E. Computer System Engineering

QUEST University, Nawabshah

2010 — 2013

Intermediate, Pre-Engineering

S.A.L Govt. College, Mirpurkhas

Certification

Web Development Training

Hidaya Institute (HIST)

Languages: English, Urdu, Sindhi

Correspondence

Get in touch for roles, projects, or collaboration.

I'm open to senior software engineering roles, full-stack positions with backend emphasis, and contract engagements. Reach out directly via email, phone, or LinkedIn.

Available for senior engineering roles

Email

dileepseetaldas04@gmail.com

Phone

+92 336 808 1717

linkedin.com/in/dileep-kumar-software-engineer

Location

New PNT Colony, Gizri, Clifton
Karachi, Pakistan

Resume

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Languages

English · Urdu · Sindhi

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