Hi, I’m Karim Krayem, a proficient Full Stack Web Developer focused on the MERN stack with extensive experience in web and mobile app development. I enjoy shaping intuitive UI/UX, building robust APIs, and delivering performant, scalable solutions for enterprise and government-grade requirements. I thrive in collaborative environments, mentor teammates, and continuously explore new technologies to improve development workflows and product quality. I’ve designed and implemented end-to-end systems for a range of clients, including government and enterprise projects, and I’m comfortable bridging design, data, and operations to deliver cohesive, user-centered outcomes. I value clean code, thoughtful architecture, and a strong emphasis on user experience and reliability across platforms.

Karim Krayem

Hi, I’m Karim Krayem, a proficient Full Stack Web Developer focused on the MERN stack with extensive experience in web and mobile app development. I enjoy shaping intuitive UI/UX, building robust APIs, and delivering performant, scalable solutions for enterprise and government-grade requirements. I thrive in collaborative environments, mentor teammates, and continuously explore new technologies to improve development workflows and product quality. I’ve designed and implemented end-to-end systems for a range of clients, including government and enterprise projects, and I’m comfortable bridging design, data, and operations to deliver cohesive, user-centered outcomes. I value clean code, thoughtful architecture, and a strong emphasis on user experience and reliability across platforms.

Available to hire

Hi, I’m Karim Krayem, a proficient Full Stack Web Developer focused on the MERN stack with extensive experience in web and mobile app development. I enjoy shaping intuitive UI/UX, building robust APIs, and delivering performant, scalable solutions for enterprise and government-grade requirements. I thrive in collaborative environments, mentor teammates, and continuously explore new technologies to improve development workflows and product quality.

I’ve designed and implemented end-to-end systems for a range of clients, including government and enterprise projects, and I’m comfortable bridging design, data, and operations to deliver cohesive, user-centered outcomes. I value clean code, thoughtful architecture, and a strong emphasis on user experience and reliability across platforms.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Arabic
Advanced

Work Experience

Freelance Full Stack Web Developer at Self-Employed
December 1, 2024 - December 1, 2024
Design custom UI/UX solutions from scratch, aligning with client needs to deliver intuitive, visually appealing experiences. Focus on full-stack development using the MERN stack, with Next.js for server-side rendering and performance. Build robust backends using Express.js and Flask, delivering RESTful and GraphQL APIs with MongoDB and PostgreSQL. Integrate Drizzle ORM and GraphQL for advanced data modeling; develop Python-based APIs with Flask for production projects. Completed projects across construction/remodeling, education, and marketing sectors; created proprietary ERP systems with dashboards, RBAC, and seamless internal tool integrations. Stay ahead of industry trends by adopting new technologies to improve functionality, scalability, and UX.
Senior Full Stack Web Developer at MPHASIS
December 1, 2024 - November 7, 2025
Lead the design and development of scalable web applications using Next.js, React, Node.js, and Postgres, focusing on performance optimization and modern architecture. Architect end-to-end solutions for enterprise clients, integrating RESTful APIs, Postgres, and microservices to support complex business logic and high user traffic. Oversee code reviews and mentor junior developers, promoting clean code, testing, and CI/CD deployment practices. Implement secure authentication and authorization strategies (JWT, OAuth2, RBAC) and drive internal initiatives to adopt new technologies, automate testing, DevOps practices, and containerized deployments with Docker and Kubernetes. Collaborate with clients to gather requirements and ensure deliverables align with business goals and user experience. Previously collaborated with Hewlett Packard Enterprise (HPE) on a proprietary system for managing networking hardware and creating server/cloud configuration files; worked with HPE as a contractor fo
Lead Designer and Developer at TECWARE
October 1, 2023 - October 1, 2023
Designed and developed intuitive user interfaces using Figma, Sketch, and Adobe XD; created comprehensive UX designs through User-Centered Design, Interaction Design, and Usability Design. Produced high-fidelity prototypes in Figma and mentored junior designers and developers in modern tools and workflows. Integrated legacy technologies with modern MERN stack and Python Flask APIs, enhancing performance and cross-platform compatibility. Updated and optimized existing websites, improving functionality and team productivity. Implemented Docker-based environment isolation for AI applications and collaborated on GitHub-driven projects, while enhancing project documentation to reflect changes and deviations.
Lead Designer and Developer at OGMA
January 1, 2021 - January 1, 2021
Led AI-based projects with machine learning, data analysis, and automation to drive innovative solutions and better decision-making. Designed and developed landscape webpage and mobile app using React/React Native within the MERN stack; utilized Context API and Redux for state management. Built Python Flask APIs to process multilingual audio and enable real-time voice translation, speech synthesis, and cross-language communication. Implemented Docker for AI apps and facilitated collaboration via GitHub, while improving documentation and processes for better project traceability.
Web Developer at SITEG
December 1, 2019 - December 1, 2019
Built and maintained a communications application using React.js, Docker for environment isolation, and Java-based APIs; developed mobile version with React Native for cross-platform consistency. Leveraged Jenkins for CI/CD and implemented GraphQL for efficient data fetching and API interactions. Contributed to UAE-government-aligned projects with compliance requirements, and helped integrate services for permanent residency and passport updates.
Frontend Developer at TECWARE
September 1, 2019 - September 1, 2019
Developed and maintained dynamic websites using HTML, CSS, JavaScript, PHP, and MySQL; customized WordPress and Joomla themes/plugins to meet client requirements. Proactively suggested and adopted new technologies to improve user experience and performance, collaborating closely with designers and backend developers to ensure smooth feature integration and cohesive solutions.

Education

M.A. Strategic Marketing at Berlin School of Business and Innovation
January 1, 2020 - December 31, 2022
B.S. Computer Science at Lebanese International University
January 1, 2016 - December 31, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Government, Telecommunications, Media & Entertainment