Kashif Islam

Senior software engineer with 8+ years architecting and modernizing PHP/MySQL applications, REST API integrations, and multi-tenant SaaS platforms. Proven track record leading integration design across internal systems, external platforms, and third-party APIs, combined with hands-on DevOps experience in CI/CD, Git workflows, environment management, and production support. Actively uses AI-assisted development tools (Claude Code, GitHub Copilot, ChatGPT/Codex) to accelerate delivery, refactoring, documentation, and testing — reviewing AI-generated code for logic, performance, security, and production readiness.

Expanding into AI/LLM integration with Python, FastAPI, LangChain, LangGraph, RAG pipelines, and vector databases to build intelligent automation workflows. Comfortable partnering with business, product, QA, and infrastructure teams, and mentoring engineering teams on standards and best practices.

Full Stack Developer at KnowledgeCity (2025-07 – 2026-07)

• Architect and modernize large-scale web platforms using PHP 8.x, MySQL, REST APIs, and React, aligning integration and data layers with evolving business requirements.
• Design and maintain secure API integration layers, including role-based access control, authentication, and multi-tenant data isolation.
• Use AI-assisted development tools (Claude Code, GitHub Copilot, ChatGPT) to accelerate feature delivery, refactoring, and documentation; review AI-generated code for correctness, performance, and security before production release.
• Optimize database queries and application performance using Redis caching and indexing strategies to support scalable, production-ready deployments.

Senior Web Developer at Vortex LLC (2022-02 – 2025-06)

• Architected and led a multi-tenant SaaS platform supporting 1,000+ tenants (Laravel 8 with Tenancy for Laravel), establishing integration standards for secure data separation and role-based access.
• Led integration design for a high-throughput document-processing pipeline using the Sovren API, applying Laravel queues, cron jobs, and async processing to handle 20 documents/second.
• Built and integrated a Schedule Meeting module (calendar views, recurrence rules, location tracking) and a Clockify-equivalent time-tracking module wired into an ERP system, with a focus on secure authentication and API-driven data exchange.
• Migrated a legacy CodeCanyon LMS template into a production-grade system integrated with the Go1 API for course delivery.
• Established Git workflows, branching strategy, and code review standards across GitLab, GitHub, and Bitbucket for a 10+ developer team, improving release consistency.
• Mentored junior developers on architecture, secure coding, API design, and database optimization, setting technical standards for the team.

Senior Web Developer at Code Informatics (2019-12 – 2022-01)

• Delivered full-stack PHP integrations connecting WordPress, HubSpot, and third-party services via REST APIs and JSON-based data exchange.
• Validated third-party API integrations for security compliance and debugged cross-environment integration failures.
• Built responsive, performance-optimized, cross-browser web applications aligned to production deployment standards.

PHP Developer at Apothecare (Pvt) Ltd (2018-08 – 2019-11)

• Built secure web applications and RESTful services with authentication, authorization, and role-based access patterns.
• Designed custom CMS platforms with role-based permission architecture for client production use.
• Delivered integration-heavy projects: HR/attendance ERP (CodeIgniter, cron automation), LMS (CodeIgniter, database optimization), and Job Finder (Laravel, REST APIs, third-party integrations).

Laravel Developer at The Mind Gauge (2017-01 – 2018-07)

• Led a zero-downtime WordPress-to-Laravel migration, achieving a 30% page load improvement and 20% lower maintenance cost through architecture and database optimization.
• Built an online medicine platform integrating secure payment gateways and third-party APIs for consultations and lab test ordering.
• Modernized legacy PHP/MySQL codebases to Laravel standards, improving security posture and maintainability.

Jr. PHP Developer at Ak TechZone Limited (2016-01 – 2017-01)

• Built backend integration components connecting PHP applications to web services and third-party APIs.
• Contributed to REST API development and performance improvements for an in-house PHP framework.

BSc in Advanced Computer Science – Islamia University Bahawalpur (2014 – 2016)