Mohammed Alhila
Computer and Software Engineering at University of Palestine
Egypt
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Full Stack Engineer at WriteSea
Full Stack JavaScript Engineer with strong experience delivering scalable web applications using Node.js, Express, React, Next.js, MongoDB, and PostgreSQL. Skilled in building RESTful APIs, optimizing performance, and leading end-to-end product development. Experienced in multi-tenant SaaS platforms, third-party integrations, and backend architecture. Passionate about clean code, system scalability, and team collaboration.
Experience
WriteSea
Full Stack Engineer
March 2022 - March 2025
Developing and Maintaining Multi-tenant white label SaaS app.
Optimized API performance by up to 40% through query tuning, intelligent caching, and asynchronous background processing, enabling the system to reliably handle over 5 million resume records with consistent speed and scalability under high load.
Built an embeddable JavaScript widget that simplified third-party integration and increased resume submission rates by 25% across onboarding partners.
Collaborated on an AI-powered resume analysis feature using OpenAI, offering end users ATS-optimized feedback and increasing resume quality and success rates.
Performed zero-downtime database migrations, ensuring uninterrupted platform availability during schema and structural updates.
Implemented attribute-based access control (ABAC) to provide dynamic, role-based permissions across tenants
Acted as the primary communication bridge with clients, leading discussions via meetings, email, and Slack to gather feedback, define priorities, and deliver client-specific solutions.
Kiitos
Full-Stack Engineer
June 2021 - February 2022
Developing and maintaining multiple e-commerce apps using React and Next.js.
Integrated with Fabric OMS and payment gateways (Stripe, PayPal), streamlining order processing and expanding transaction capabilities.
Designed a serverless ETL system using AWS Lambda and Apex to sync data with Salesforce, enhancing data consistency and automating internal workflows.
Managed Agile workflows in JIRA and served as the primary client point of contact, ensuring clear communication, requirement alignment, and timely project delivery.
MAWSOUQ
Full-Stack Engineer
November 2020 - May 2021
Developing, maintaining and enhancing the app performance
Optimized application performance, improving speed and increasing Core Web Vitals scores through targeted enhancements.
Integrated caching strategies, including in-memory caching, Content Delivery Networks (CDNs), and HTTP header optimizations, to reduce latency and improve load times.
Built and integrated an email delivery system, and developed automated PDF report and billing generation features for improved user communication and reporting.
YALLA
Full-Stack Engineer
June 2019 - December 2019
Developing responsive and client-specific websites, ensuring cross-device compatibility and modern UI/UX standards.
Performed unit testing and end-to-end (E2E) testing using Cypress, improving application reliability and reducing bugs in production.
Implemented a chatbot assistant using Google Dialog flow, enhancing user interaction and support automation.
Deployed web applications to Netlify, optimizing for performance, scalability, and simplified release processes.
Education
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Projects
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Languages
Arabic
Native
English
Intermediate
Skills
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